Tektronix Drums vx4380 User Manual
User Manual  
VX4380  
256-Crosspoint Relay Matrix Module  
070-9182-03  
This document supports firmware version 1.00  
and above.  
Warning  
The servicing instructions are for use by qualified  
personnel only. To avoid personal injury, do not  
perform any servicing unless you are qualified to  
do so. Refer to the Safety Summary prior to  
performing service.  
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WARRANTY  
Tektronix warrants that this product will be free from defects in materials and workmanship for a period of three (3) years  
from the date of shipment. If any such product proves defective during this warranty period, Tektronix, at its option, either  
will repair the defective product without charge for parts and labor, or will provide a replacement in exchange for the  
defective product.  
In order to obtain service under this warranty, Customer must notify Tektronix of the defect before the expiration of the  
warranty period and make suitable arrangements for the performance of service. Customer shall be responsible for  
packaging and shipping the defective product to the service center designated by Tektronix, with shipping charges prepaid.  
Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the  
Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any  
other charges for products returned to any other locations.  
This warranty shall not apply to any defect, failure or damage caused by improper use or improper or inadequate  
maintenance and care. Tektronix shall not be obligated to furnish service under this warranty a) to repair damage resulting  
from attempts by personnel other than Tektronix representatives to install, repair or service the product; b) to repair  
damage resulting from improper use or connection to incompatible equipment; or c) to service a product that has been  
modified or integrated with other products when the effect of such modification or integration increases the time or  
difficulty of servicing the product.  
THIS WARRANTY IS GIVEN BY TEKTRONIX WITH RESPECT TO THIS PRODUCT IN LIEU OF ANY  
OTHER WARRANTIES, EXPRESSED OR IMPLIED. TEKTRONIX AND ITS VENDORS DISCLAIM ANY  
IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
TEKTRONIX’ RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND  
EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY. TEKTRONIX  
AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR  
CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS  
ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  
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Table of Contents  
General Safety Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
iii  
vii  
Getting Started  
Getting Started . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Controls and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Installation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Functional Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
1–1  
1–1  
1–5  
1–5  
1–7  
1–8  
1–10  
1–11  
Operating Basics  
Operating Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Power-on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Instrument I/O: VXIbus Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
2–1  
2–1  
2–1  
2–2  
Syntax and Commands  
Command Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Functional Command Groups . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
System Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Module Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Command Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
IEEE-488.2 Common Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
3–1  
3–11  
3–11  
3–11  
3–15  
3–53  
Status and Events  
Status and Events . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
4–1  
Status and Event Reporting System . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Status Byte Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Service Request Enable Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Standard Event Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Event Status Enable Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
The Output Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
The System Error and Event Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
4–1  
4–1  
4–2  
4–3  
4–4  
4–4  
4–4  
Status and Event Reporting Process . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
4–5  
4–6  
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Table of Contents  
Appendices  
Appendix A: Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Appendix B: Input/Output Connections . . . . . . . . . . . . . . . . . . . . . . . .  
Appendix C: Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Appendix D: User Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Appendix E: Replaceable Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Parts Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
Using the Replaceable Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
A–1  
B–1  
C–1  
D–1  
E–1  
E–1  
E–2  
Glossary and Index  
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General Safety Summary  
Review the following safety precautions to avoid injury and prevent damage to  
this product or any products connected to it.  
To avoid potential hazards, use this product only as specified.  
Only qualified personnel should perform service procedures.  
While using this product, you may need to access other parts of the system. Read  
the General Safety Summary in other system manuals for warnings and cautions  
related to operating the system.  
Injury Precautions  
Avoid Electric Overload  
To avoid electric shock or fire hazard, do not apply a voltage to a terminal that is  
outside the range specified for that terminal.  
Avoid Electric Shock  
To avoid injury or loss of life, do not disconnect probes or test leads from this  
product while it is connected to a voltage source.  
Do Not Operate Without  
Covers  
To avoid electric shock or fire hazard, do not operate this product with covers or  
panels removed.  
Use Proper Fuse  
To avoid fire hazard, use only the fuse type and rating specified for this product.  
To avoid electric shock, do not operate this product in wet or damp conditions.  
Do Not Operate in  
Wet/Damp Conditions  
Do Not Operate in an  
Explosive Atmosphere  
To avoid injury or fire hazard, do not operate this product in an explosive  
atmosphere.  
Avoid Exposed Circuitry  
To avoid injury, remove jewelry such as rings, watches, and other metallic  
objects. Do not touch exposed connections and components when power is  
present.  
Product Damage Precautions  
Provide Proper Ventilation  
To prevent product overheating, provide proper ventilation.  
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General Safety Summary  
Do Not Operate With  
Suspected Failures  
If you suspect there is damage to this product, have it inspected by qualified  
service personnel.  
Safety Terms and Symbols  
Terms in This Manual  
These terms may appear in this manual:  
WARNING. Warning statements identify conditions or practices that could result  
in injury or loss of life.  
CAUTION. Caution statements identify conditions or practices that could result in  
damage to this product or other property.  
Terms on the Product  
These terms may appear on the product:  
DANGER indicates an injury hazard immediately accessible as you read the  
marking.  
WARNING indicates an injury hazard not immediately accessible as you read the  
marking.  
CAUTION indicates a hazard to property including the product.  
Symbols on the Product  
The following symbols may appear on the product:  
DANGER  
High Voltage  
Protective Ground  
(Earth) Terminal  
ATTENTION  
Refer to Manual  
Double  
Insulated  
Certifications and Compliances  
Safety Certification of  
Plug-in or VXI Modules  
For modules (plug-in or VXI) that are safety certified by Underwriters Laborato-  
ries, UL Listing applies only when the module is installed in a UL Listed  
product.  
For modules (plug-in or VXI) that have cUL or CSA approval, the approval  
applies only when the module is installed in a cUL or CSA approved product.  
iv  
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General Safety Summary  
Compliances  
Consult the product specifications for Overvoltage Category, and Safety Class.  
Overvoltage Category  
The following defines overvoltage categories:  
CAT III: Distribution level mains, fixed installation.  
CAT II: Local level mains, appliances, portable equipment  
CAT I: Signal level, special equipment or parts of equipment, telecommunica-  
tion, electronics  
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General Safety Summary  
vi  
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Preface  
This manual assumes you are familiar with VXIbus instruments and operation  
and with the purpose and function of this instrument.  
Please read and follow all instructions for installation and configuration. Use the  
Installation Checklist to ensure proper installation and to record your initial  
settings.  
The Operating Basics section gives a summary of VXIbus operation and  
presents an overview of the operation of this instrument.  
The Syntax and Commands section provides a summary of all the commands  
followed by detailed descriptions of each command.  
The Status and Events section contains an explanation of the Status and Event  
Reporting System and lists the system messages. Appendix C: Examples contains  
example programs that demonstrate the programmable features of this instru-  
ment.  
You may also want to keep the Reference Guide by the instrument.  
Conventions  
The names of all switches, controls, and indicators appear in this manual exactly  
as they appear on the instrument.  
Specific conventions for programming are given in the sections Syntax and  
Commands and Appendix C: Examples.  
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Preface  
viii  
VX4380 256-Crosspoint Relay Matrix Module User Manual  
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Getting Started  
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Getting Started  
This section begins with a brief description of the VX4380 256-Crosspoint Relay  
Matrix Module, and explains how to configure and install the module in a  
VXIbus mainframe. The quick functional check, also included in this section,  
assures that the instrument operates properly.  
Product Description  
The VX4380 256-Crosspoint Relay Matrix Module is a printed circuit board  
assembly for use in a mainframe conforming to the VXIbus Specification. The  
VX4380 provides four 4 × 16 2-wire matrix sections. Each section can be  
configured to connect either the four rows or the sixteen columns to the section  
above or below it to produce up to a 16 × 16 2-wire matrix or a 4 × 64 2-wire  
matrix. The VX4380 provides the following features:  
H
H
H
H
H
H
H
H
high density single slot VXI relay matrix module with four 2-wire matrices  
2 A switching maximum current per contact  
220 VDC, 250 VAC maximum switching voltage per contact  
60 W, 125 VA maximum switching power per contact  
latching relays for low-power, low-noise operation  
two 160-pin DIN front panel connectors  
low-cost VXI local bus slave interface  
Option 01 – this option enables the VX4380 to control up to 11 additional  
relay modules from the Tektronix family of relay modules. These modules  
are controlled via the VXI P2 local bus.  
H
H
> 15 MHz bandwidth (– 3 dB) for 4 × 16 2-wire matrix  
> 15 MHz bandwidth (– 3 dB) for 16 × 16 2-wire matrix  
User control of the VX4380 is achieved by installing the Option 01 VXI  
Interface daughter board. This daughter board may be installed on the VX4380  
or on another Tektronix compatible relay module which is installed in a VXI  
chassis slot to the left of the VX4380. The Option 01 daughter board acts as a  
VXI servant to a VXI bus commander. The VXI bus commander sends SCPI  
compatible commands to the Option 01 daughter board using VXI word serial  
protocol. The Option 01 daughter board in turn controls the VX4380 on which it  
is installed and controls additional relay modules installed in adjacent slots to its  
right via the VXI P2 local bus. The daughter board is capable of controlling from  
1–1  
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Getting Started  
one to 12 relay modules including members of the SurePatht family of relay  
switching modules and VX4372 and VX4374 Scanner Slave modules. In this  
document, these modules will be referred to as “local bus slaves.”  
The Option 01 VXI Interface Module includes the following features:  
H
CPU:  
Zilog Z88C00 Microcontroller with 20 MHz clock  
64 Kbyte of EPROM and 32 Kbyte of RAM  
VXI Interface:  
H
VXI Rev 1.4 Message Based Device  
Supports Fast Handshake word serial protocol data transfers  
IEEE-488.2 device  
Logical Address selectable with two rotary hexadecimal switches  
Interrupter level selectable with a rotary hexadecimal switch. Selects one of  
seven levels or disables interrupt generation  
Command programmable control of one to eight VXI TTL trigger  
Command programmable monitoring of one of eight VXI TTL triggers  
The Local Bus Interface provides serial I/O interface for control of VX4372 and  
VX4374 Scanner Slave and SurePatht relay modules, monitors the power fuses  
of all local bus slave modules that it controls, and provides a serial input  
interface to identify each local bus slave that it controls.  
As part of the self test, SurePatht modules automatically verify the control  
logic every time a relay operation is performed.  
Figure 1–1 shows a functional block diagram of the VX4380. Figure 1–2 shows  
a typical SurePatht configuration.  
1–2  
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Getting Started  
Join Rows  
1 – 4  
4 x 16  
Section 4  
4 x 16 2-Wire  
=
4
3
. . .  
. . .  
. . .  
. . .  
Join Cols  
3 – 4  
Join Rows  
3 – 4  
2
1
Section 3  
4 x 16 2-Wire  
Join Rows  
2 – 3  
Join Cols  
2 – 3  
1
2
3
16  
Section 2  
4 x 16 2-Wire  
=
Join Cols  
1 – 2  
Join Rows  
1 – 2  
Section 1  
4 x 16 2-Wire Matrix  
1
2
3
4
4 x 16  
4 x 16  
4 x 16  
4 x 16  
4 x 16  
4 x 16  
4 x 16  
4
3
2
1
4 x 64  
2
1
4 x 16  
4 x 16  
4 x 16  
4 x 16  
3
4
4 x 16  
8 x 32  
16 x 16  
Figure 1–1: VX4380 Functional Block Diagram  
1–3  
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Getting Started  
VXI interface &  
slave controller  
daughter board  
Backplane  
connectors  
Front panel  
connectors  
VXI backplane  
local bus  
Daughter board  
connectors  
Figure 1–2: Typical SurePath Configuration  
Fuses  
The VX4380 Module has one 10 A fast-acting fuse on the +5 V line.  
Each relay module that the Option 01 Module controls has a fuse that limits the  
amount of current that the module can draw from the VXI backplane +5 V power  
pins. This fuse protects the module in case of an accidental shorting of the power  
bus or any other situation where excessive current might be drawn.  
The Option 01 Module monitors the state of the fuses of each of the relay  
modules that it controls. If a fuse opens on one of these modules, the Option 01  
Module will assert SYSFAIL* on the VXIbus.  
If the +5 V fuse on the module on which the Option 01 Module is installed  
opens, the VXIbus Resource Manager will be unable to assert SYSFAIL  
INHIBIT on the Option 01 to disable SYSFAIL*.  
If a +5 V fuse opens, remove the fault before replacing the fuse. Replacement  
fuse information is given in the Specifications section of the user manual for the  
appropriate relay module.  
1–4  
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Getting Started  
LEDs  
The following LEDs are visible at the top of the VX4380 Module’s front panel to  
indicate the status of the module’s operation (see Figure 1–5).  
Power LED  
Failed LED  
indicates power is applied to the module  
indicates the module is in the FAILED state  
BITE (Built-in Test  
Equipment)  
Built-in Test Equipment (BITE) is provided by extensive self tests that are  
automatically invoked on power-on and can also be invoked on command.  
Circuitry tested includes the CPU and all memory, and the relay control circuitry  
on each relay module controlled by the Option 01.  
Accessories  
Table 1–1 lists the standard accessories included with the VX4380.  
Table 1–1: Standard Accessories  
Accessory  
Part Number  
070-9182-XX  
070-9202-XX  
VX4380 User Manual  
VX4380 Reference  
Table 1–2 lists the options available for the VX4380.  
Table 1–2: Options  
Option  
Part Number  
01 VXI Interface Kit  
040-1510-XX  
Controls and Indicators  
The following controls are provided to select the functions of the VX4380  
operating environment. Figures 1–3 and 1–4 illustrate the physical location of  
these controls and indicators.  
Switches  
The Logical Address switches and VMEbus Interrupt Level Select switch must be  
correctly set to insure proper operation. See Configuration for details on how to  
set the switches.  
1–5  
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Getting Started  
LOGICAL  
ADDRS  
Option 01  
LO  
HI  
INTRPT  
Switches as viewed  
from the rear of instrument  
(labels are on the back shield)  
F1291  
Figure 1–3: VX4380 Connectors, Indicators, and Switch Locations  
Figure 1–4: VX4380 Front Panel  
1–6  
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Getting Started  
Configuration  
The following switches must be correctly set to ensure proper operation. Refer to  
Figure 1–3 for their physical locations.  
Logical Address Switches  
Each functional module in a VXIbus System must be assigned a unique logical  
address, from 1 to decimal 255 (hexadecimal FF). The base VMEbus address of  
the VX4380 is set to a value between 1 and hexadecimal FF (FF16) by two  
hexadecimal rotary switches. Align the desired switch position with the arrow on  
the module shield.  
The physical address of the instrument is on a 64 byte boundary. If the Logical  
Address switch representing the most significant digit (LA-HI) of the logical  
address is set to position X and the switch representing the least significant digit  
(LA-LO) of the logical address is set to position Y, then the base physical  
address of the VX4380 will be [(4016 × XY16) + C00016]. For example:  
Base Physical Address  
L.A.  
HI  
LO  
decimal  
(64 * 10) + 49152 = 49792 (40 * A ) + C000 = C280  
16  
hex  
A
16  
0
16  
A
16  
16  
16  
16  
15  
16  
1
16  
5
16  
(64 * 21) + 49152 = 50496 (40 * 15 ) + C000 = C540  
16 16 16 16  
LA. is the Logical Address  
IEEE-488 Address  
In order to use and program the VX4380 Module in an IEEE-488 environment  
you must know the IEEE-488 address of the module. Different manufacturers of  
IEEE-488 interface devices might have different algorithms for equating a  
logical address with an IEEE-488 address. Consult the operating manual of the  
IEEE-488 Interface Module being used.  
VMEbus Interrupt Level  
Select Switch  
Each function module in a VXIbus System can generate an interrupt at a  
specified level on the VMEbus to request service from the interrupt handler  
located on its commander. Set the interrupt level to the same level as the  
interrupt handler on that commander. The VMEbus interrupt level on which the  
VX4380 Module generates interrupts is set by a rotary switch. Align the desired  
switch position with the arrow on the module shield.  
Valid VMEbus Interrupt Level Select switch settings are one through seven, with  
setting one equivalent to level one, and so on. The level chosen should be the  
same as the level set on the VX4380 interrupt handler, typically the module  
commander. Setting the switch to zero or eight will disable the module inter-  
rupts. Do not use switch settings nine through f.  
1–7  
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Getting Started  
Interrupts are used by the module to return VXIbus Protocol Events to the  
module commander. Refer to the Operating Basics section for more information  
on interrupts. The VXIbus Protocol Events supported by the module are listed in  
Appendix A: Specifications.  
Installation  
This section describes how to install the VX4380.  
Tools Required  
A slotted screwdriver set is required for proper installation.  
Requirements and  
Cautions  
The VX4380 Module is a C-size VXIbus instrument module and therefore may  
be installed in any C- or D-size VXIbus mainframe slot other than slot 0. To  
install the module in a D-size mainframe, consult the operating manual for the  
mainframe. Refer to Configuration for information on selecting and setting the  
Logical Address switch of the module. This switch defines the programming  
address of your module. To avoid confusion, it is recommended that the slot  
number and the logical address be the same.  
NOTE. Note that there are two printed ejector handles on the card. To avoid  
installing the card incorrectly, make sure the ejector marked “VX4380” is at the  
top.  
Verify that the mainframe is able to provide adequate cooling and power with  
this module installed. Refer to the mainframe Operating Manual for instructions.  
If the VX4380 is used in a Tektronix mainframe, all VX4380 cooling require-  
ments are met  
If the VX4380 is inserted in a slot with any empty slots to the left of the module,  
the VME daisy-chain jumpers must be installed on the backplane in order for the  
VXI Module to operate properly. Check the manual of the mainframe being used  
for jumpering instructions. Jumpers are not necessary for autoconfiguring  
backplane designs.  
1–8  
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Getting Started  
Installation Procedure  
Follow these steps to install the VX4380. If the module has Option 01, first refer  
to the Option 01 User Manual for instructions on mounting the option.  
CAUTION. The VX4380 Module is a piece of electronic equipment and therefore  
has some susceptibility to electrostatic damage (ESD). ESD precautions must be  
taken whenever the module is handled.  
1. Record the revision level, serial number (located on the label on the shield of  
the VX4380), and switch settings on the Installation Checklist.  
2. Verify that the switches are set to the correct values. Refer to Configuration  
for more information on setting switches.  
3. Make sure that the mainframe power is off.  
4. Insert the module into one of the instrument slots of the mainframe (see  
Figure 1–5).  
5. Cable Installation: Use the correct cable to interface between the module I/O  
connector and the Unit Under Test (UUT). The recommended cable is listed  
in Appendix A: Specifications.  
Figure 1–5: Module Installation  
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Getting Started  
Installation Checklist  
Installation parameters will vary depending on the mainframe being used. Be  
sure to consult the mainframe operating manual before installing and operating  
the module.  
Revision Level: ___________  
Serial No.: ___________  
Mainframe Slot Number: ___________  
Switch Settings: ___________  
VXIbus Logical Address Switch: ___________  
Interrupt Level Select Switch: ___________  
Cable Installed (if any): ___________  
Performed by: _______________________ Date: _____________  
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Getting Started  
Functional Check  
In addition to the self tests, you can also perform an operational check of the  
VX4380.  
Self Test  
The VX4380 256-Crosspoint Relay Matrix Module executes a self test at  
power-on, on direction of a VXIbus hard or soft reset condition, or on command.  
The power-on self test consists of an interface self test and an instrument self  
test. The self test requested by command performs only the instrument self test.  
A VXIbus hard reset occurs when another device, such as the VXIbus Resource  
Manager, asserts the backplane line SYSRESET*. A VXIbus soft reset occurs  
when another device, such as the VX4380 commander, sets the Reset bit in the  
VX4380 Control register.  
During power-on, or a hard or soft reset, the following actions take place:  
1. The SYSFAIL* (VME system-failure) line is set active, indicating that the  
module is executing a self test, and the Failed LED is lighted. For a soft  
reset, SYSFAIL* is set. All Tektronix commanders will simultaneously set  
SYSFAIL INHIBIT to prevent the resource manager from prematurely  
reporting the failure of a card.  
2. On completion of the interface self test, SYSFAIL* is de-asserted. If the test  
fails, the SYSFAIL* line remains active. If the interface self test passed, the  
SYSFAIL* line is released, and the module enters the VXIbus PASSED state  
(ready for normal operation). If it failed, the module enters the VXIbus  
FAILED state.  
3. The instrument self test, as described in the *TST? command description, is  
then executed. This tests the Option 01 VXI Interface daughter board and  
any relay modules under its control. If the self test fails, the module makes  
an internal record of the failure(s) that occur.  
The default condition of the Option 01 Module after the completion of power-on  
self test is as follows:  
All relays on modules controlled by the Option 01 (except VX4320  
Modules) are set to the open position.  
You can run the self test at any time during normal operation by using the *TST?  
command. At the end of a self test initiated by this command, the module is  
restored to its pre-test state.  
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Getting Started  
During a commanded self test:  
1. SYSFAIL* is not asserted.  
2. The module executes the same instrument self test as is executed upon  
power on.  
3. When the self test is completed, the modules controlled by the Option 01 are  
restored to their pre-test state.  
Operational  
Check  
An operational check of the VX4380 may be performed by checking the  
continuity of the switch closures using an ohmmeter or a test light.  
When equipped with the Option 01 VXI Interface, the commands  
ROUTE:OPEN:ALL M1  
will open all of the relay paths. All relays on the VX4380 will also be opened  
automatically on power-on. Figure 1–1 VX4380 Functional Block Diagram  
shows the configuration of the VX4380 with all paths open. Refer to Appendix  
B: Input/Output Connections for the connector pinouts and the Functional Block  
Diagram. Use a continuity tester to verify that all rows are open to all columns.  
ROUTE:CLOSE (@M1(1!1!1))  
Will close the 2-wire switch path from row 1 of section 1 to column 1 of section  
1 (Row01Lo of Section 1 to Col01Lo of Section 1, and Row01Hi of Section 1 to  
Col01Hi of Section 1). Check the continuity. Be careful to prevent damage to the  
pins of the front panel connectors.  
Note that true measurement of the resistance of the path requires a high-resolu-  
tion instrument and special procedures which are beyond the scope of this check.  
Use the commands  
ROUTE:OPEN:ALL M1  
and  
ROUTE:CLOSE (@M1(1!2!1))  
to open the previous path and close the 2-wire switch path from row 1 of section  
1 to column 2 of section 1. Check for continuity of the two paths.  
Use the commands  
ROUTE:OPEN:ALL M1  
and  
ROUTE:CLOSE (@M1(r!c!s))  
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Getting Started  
incrementing r (the row number) from 1 through 4 for each value of c and s  
while incrementing c (the column number) from 1 through 16 for each value of s  
(the section number) from 1 through 4 to close the two-wire switch path from  
row r to column c of each section s. Check for continuity of the two paths each  
time.  
By testing in this manner, it can be verified that the module is operational.  
SYSFAIL* Operation  
SYSFAIL* becomes active during power-on, hard or soft reset, or self test, or if  
the module loses any of its power voltages. When the mainframe Resource  
Manager detects SYSFAIL* set, it will attempt to inhibit the line. This causes  
the VX4380 256-Crosspoint Relay Matrix Module to deactivate SYSFAIL*  
except when +5 V power is lost on the relay module on which it is installed.  
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Operating Basics  
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Operating Basics  
The VX4380 256-Crosspoint Relay Matrix Module is a VXIbus message-based  
instrument and communicates using the VXIbus Word Serial Protocol. The  
module is programmed by issuing ASCII characters from the system controller  
to the VX4380 via the module VXIbus commander and the VXIbus mainframe  
backplane. Refer to the manual for the VXIbus device that will be the VX4380  
Module commander for details on the operation of that device.  
If the module commander is a Tektronix IEEE-488 Interface Module, refer to the  
operating manual for the module and Appendix C: Examples in this manual for  
information on how the system controller communicates with the commander  
being used.  
Functional Overview  
Power-on  
The VX4380 256-Crosspoint Relay Matrix Module provides four 4 × 16 2-wire  
matrix sections. Each section can be configured to connect either the four rows  
or the sixteen columns to the section above or below it to produce up to a  
16 × 16 2-wire matrix or a 4 × 64 2-wire matrix.  
The instrument runs its self test and is ready for programming five seconds after  
power-on. The VXIbus Resource Manager can add an additional delay. The  
Power LED of each relay module controlled by the Option 01 will be on. The  
Failed LED on each of these modules will be off. The default condition of the  
module after power-on is listed in the *RST command description. Self-test  
failures are described in the *TST command description.  
The format and syntax for the command strings are described in the Command  
Syntax section. A complete description of each command in alphabetical order is  
in the Command Descriptions section.  
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Operating Basics  
Instrument I/O: VXIbus Basics  
NOTE. If the user’s mainframe has other manufacturers’ computer boards  
operating in the role of VXIbus foreign devices, the assertion of BERR* (as  
defined by the VXIbus Specification) may cause operating problems on these  
boards.  
The Option 01 Module installed on a switching module is a C-size single slot  
VXIbus Message-Based Word Serial instrument. It uses the A16, D16 VME  
interface available on the backplane P1 connector and does not require any A24  
or A32 address space. The module is a D16 interrupter.  
The Option 01 is neither a VXIbus commander nor a VMEbus master; therefore  
it does not have a VXIbus Signal register. The Option 01 is a VXIbus message-  
based servant.  
The module supports the Normal Transfer Mode of the VXIbus using the Write  
Ready, Read Ready, Data In Ready (DIR), and Data Out Ready (DOR) bits of  
the module Response register.  
A Normal Transfer Mode read of the Option 01 proceeds as follows:  
1. The commander reads the Option 01 Response register and checks if the  
Write Ready and DOR bits are true. If they are, the commander proceeds to  
the next step. If not, the commander continues to poll these bits until they  
become true.  
2. The commander writes the Byte Request command (hexadecimal 0DEFF) to  
the Data Low register of the Option 01.  
3. The commander reads the Option 01 Response register and checks if the  
Read Ready and DOR bits are true. If they are, the commander proceeds to  
the next step. If not, the commander continues to poll these bits until they  
become true.  
4. The commander reads the Option 01 Data Low register.  
A Normal Transfer Mode write to the Option 01 proceeds as follows:  
1. The commander reads the Option 01 Response register and checks if the  
Write Ready and DIR bits are true. If they are, the commander proceeds to  
the next step. If not, the commander continues to poll the Write Ready and  
DIR bits until they are true.  
2. The commander writes the Byte Available command which contains the data  
(hexadecimal 0BCXX or 0BDXX, depending on the End bit) to the Data  
Low register of the Option 01.  
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Operating Basics  
The module also supports the Fast Handshake Mode during readback. In this  
mode, the module is capable of transferring data at optimal backplane speed  
without needing the commander to test any of the handshake bits. The Option 01  
asserts BERR* to switch from Fast Handshake Mode to Normal Transfer Mode,  
per VXI Specification. The Option 01 Read Ready, Write Ready, DIR and DOR  
bits react properly, in case the commander does not support the Fast Handshake  
Mode.  
A Fast Handshake Transfer Mode read of the Option 01 proceeds as follows:  
1. The commander writes the Byte Request command (hexadecimal 0DEFF) to  
the Option 01 Data Low register.  
2. The commander reads the Option 01 Data Low register.  
A Fast Handshake Transfer Mode write of the Option 01 proceeds as follows:  
The commander writes the Byte Available command which contains the data  
(hexadecimal 0BCXX or 0BDXX, depending on the End bit) to the Data  
Low register of the Option 01. The commander may immediately write  
another Byte Available command without having to check the Response  
register.  
The module has no registers beyond those defined for VXIbus message based  
devices. All communications with the module are through the Data Low register,  
the Response register, or the VXIbus interrupt cycle. Any attempt by another  
module to read or write to any undefined location of the Option 01 address space  
may cause incorrect operation of the module.  
As with all VXIbus devices, the Option 01 has registers located within a 64 byte  
block in the A16 address space. The base address of the Option 01 device  
registers is determined by the device unique logical address and can be calcu-  
lated as follows:  
Base Address = V16 * 4016 + C00016  
where V is the device logical address as set by the Logical Address switches.  
Configuration Registers  
Table 2–1 lists the Configuration registers and a complete description of each  
register. The offset is relative to the module base address.  
Table 2–1: Register Definitions  
Address  
(hexadecimal)  
Register  
ID Register  
Device Type  
Status  
Type  
RO  
RO  
R
Value (Bits 15-0)  
0000  
1011 1111 1111 1101 (hexadecimal BFFD)  
See Device Type definition below  
Defined by state of interface  
0002  
0004  
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Table 2–1: Register Definitions (Cont.)  
Address  
(hexadecimal)  
Register  
Type  
Value (Bits 15-0)  
Control  
0004  
W
Defined by state of interface  
Not used  
Offset  
0006  
WO  
RO  
RO  
Protocol  
Response  
Data High  
Data Low  
Data Low  
0008  
1111 0111 1111 1111 (hexadecimal F7FF)  
Defined by state of the interface  
Not used  
000A  
000C  
000E  
W
R
Not fixed; command-dependent  
Not fixed; command-dependent  
000E  
RO is Read Only  
WO is Write Only  
R is Read  
W is Write  
The Register Bit definitions are listed in Tables 2–2 and 2–3.  
Table 2–2: Register Bit Definitions  
Register  
ID  
Bit Definition  
hexadecimal BFFD  
hexadecimal F7FF  
Protocol  
The contents of the Device register of the Option 01 Module depends on the  
model number of the relay module that it is installed on, as shown in Table 2–3.  
Table 2–3: Device Register Bit Definitions  
Relay Model No.  
VX4320  
Device Register Contents  
hexadecimal FCBF  
hexadecimal F6B5  
hexadecimal F6A1  
hexadecimal F683  
VX4330  
VX4350  
VX4380  
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Syntax and Commands  
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Command Syntax  
Command protocol and syntax for the VX4380 Module are as follows:  
H
A command string consists of a string of ASCII-encoded characters  
terminated by a <program message terminator>. The <program message  
terminator> is optional white space, followed by any one of the following  
command terminations:  
a line feed <LF> or new line <NL> character (hexadecimal 0A,  
decimal 10)  
the END bit set  
the END bit with a line feed <LF> or new line <NL>  
The command string is buffered until the terminator is encountered, at which  
time the entire string is processed.  
H
In addition to terminating a command, the semi-colon character directs the  
SCPI command parser to interpret the next command with the assumption  
that all characters up to and including the last colon in the previous  
command have just been parsed. In the following example, the Option 01 is  
installed on a VX4380 Module. Two additional VX4380 Modules are  
installed in consecutive slots to the right of the first VX4380. Under these  
conditions, the commands  
route:open:all m1<LF>  
route:open:all m2<LF>  
route:open:all m3<LF>  
cause all relays on all three VX4380 Modules to open. Note that each of  
these commands is terminated by a line feed. An equivalent method of  
sending these commands using the semi-colon character as a terminator is  
route:open:all m1; all m2; all m3<LF>  
After a line feed or END bit is used to terminate a command, the parser no  
longer makes the assumption described above. Thus, after the command  
route:open:all m1; all m2<LF>  
is parsed, the command  
all m2<LF>  
is no longer valid.  
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Command Syntax  
In the next example, the Option 01 is installed on a VX4330 Module. Two  
additional VX4330 Modules are installed in consecutive slots to the right of  
the first VX4330. The commands  
route:configure:join m1,(1:6)<LF>  
route:configure:join m2,(1:2)<LF>  
route:configure:join m3,(1:4)<LF>  
connect the commons of sections 1 through 6 on the first VX4330, sections 1  
and 2 on the second VX4330 and sections 1 through 4 on the third VX4330.  
An equivalent way to send these commands using the semi-colon as a  
terminator is  
route:configure:join m1,(1:6); join m2,(1:2); join  
m3(1:4)<LF>  
Note that <LF> in these examples represents a single line feed character.  
H
White space characters can be used to make a command string more  
readable. These characters are ASCII-encoded bytes in the range hexadeci-  
mal 00-09 and 0B-20 (decimal 0-9 and 11-32). This range includes the  
ASCII control characters and the space, but excludes the line feed <NL>.  
White space characters are ignored when legally encountered in a command  
string. White space is allowed anywhere in a command string, except for the  
following:  
Within a program mnemonic ( for example RO UTE )  
Around a colon (:) mnemonic separator (for example ROUTE: CLOSE  
or ROUTE :CLOSE)  
Between a mnemonic and a (?) (for example CLOSE ?)  
Following an asterisk (*) (for example * STB?)  
Within a number (for example 12 34)  
Within a module name specified in a [ROUTe:]MODule[:DEFine]  
command (for example ROUTE:MODULE:DEFINE RFM UX, 1).  
At least one white space character is required between a command/query  
header and its associated arguments. For example in the command  
route:configure:join m1,(1:6)  
the command header is the string “route:configure:join”. The arguments  
associated with this command are the module name “m1” and the section list  
“(1:6)”. At least one white space character must be sent before the first  
argument.  
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Command Syntax  
In the query  
route:close? (@m1(1:64))  
the query header is the string “route:close?”. The argument associated with  
this query is the channel list “(@m1(1:64))”. At least one white space  
character must be sent before the channel list argument.  
H
H
All characters in a command can be sent in either upper or lower case form.  
Multiple data parameters passed by a command are separated by a comma  
(,).  
H
A question mark (?) following a command indicates that a response will be  
returned. All responses from the module are terminated with a carriage return  
<CR> and a line feed <LF> (hexadecimal 0A) character.  
H
In the command descriptions, the following special characters are used.  
Except for the colon (:), these characters are not part of the command and  
should not be sent. If an optional field is omitted, the default for the  
command is applied.  
[ ]  
Brackets indicate an optional field  
A bar indicates a logical OR choice  
A colon is used to separate command fields  
Field indicator  
|
:
< >  
Syntax Example  
Capital letters indicate the minimum required characters which need to be sent.  
Lower case letters are optional. For example, the syntax of the trigger source  
command is given as  
TRIGger[:SEQuence]:SOURce BUS | HOLD | IMMediate | TTLTrg<n>  
Each of the following is a valid form of this command:  
trigger:sequence:source bus  
trig:seq:sour hold  
Trig:SOUR IMM  
Trig:Sour TTLTRG1  
Trig:Sour TTLT1  
Trigger:Source Immediate  
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Command Syntax  
SCPI/IEEE 488.2  
Command Elements  
The definition of elements used in SCPI/IEEE 488.2 commands and command  
descriptions is as follows:  
<NR1>ASCII integer representation of a decimal number.  
<NRf> ASCII integer, fixed point or floating point representation of a decimal  
number.  
<module_name> A user-defined ASCII string to be associated with the local bus  
address of a relay module. <module_name> strings must start with a letter and  
may consist of alphanumeric characters, underscores, and digits. The maximum  
length of a <module_name> is 12 characters.  
<channel_spec> One or more <NR1> ASCII strings separated by “!” characters  
that specify a relay on a relay module. The format of a <channel_spec> field for  
each of the SurePath relay modules is:  
H
VX4320 RF Multiplexer: <NR1> ! <NR1>  
The range of the first <NRf> field is 1 to 4. This field specifies a relay  
within one of the sections of the VX4320. The range of the second <NRf>  
field is 1 to 8. This field specifies a section of the VX4320. A one-dimen-  
sional <channel_spec> may also be used to specify a channel on a VX4320  
Module. The one-dimensional <channel_spec> is given by the formula:  
( (section – 1 ) × 4 ) + relay.  
where variables “section” and “relay” are section and relay numbers  
specified in a two-dimensional <channel_spec>.  
H
VX4330 Scanner/Multiplexer: <NR1> ! <NR1>  
The first <NR1> field specifies a relay within the specified section. The  
range of this <NR1> field depends on the current configuration of the section  
of the VX4330 specified in the second <NR1> field. The range of the second  
<NR1> field is 1 to 6. This field specifies a section of the VX4330.  
1 – 10  
1 – 20  
1 – 20  
1 – 40  
4-wire  
4-wire independent  
2-wire  
1-wire  
3–4  
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Command Syntax  
H
H
VX4350 General Purpose Switching module: <NR1>  
The range of this field is 1 to 64. It specifies one of 64 relays on the  
VX4350.  
VX4380 Matrix: <NR1> ! <NR1> ! <NR1>  
The range of the first <NR1> field is 1 to 4. It specifies the row of a relay in  
one of the sections of the VX4380. The range of the second <NR1> field is 1  
to 16. It specifies the column of a relay in one of the sections of the VX4380.  
The range of the third <NR1> field is 1 to 4. It specifies a section of the  
VX4380. A one dimensional <channel_spec> may also be used to specify a  
channel on a VX4380 Module. The one dimensional <channel_spec> is  
given by the formula:  
( (section – 1 ) × 64 ) + ( ( row – 1 ) × 16 ) + column  
where variables “section” and “row” and “column” are section, row, and  
column numbers specified in a three-dimensional <channel_spec>.  
Channel_list> A list of channel numbers on one or more relay modules.  
The limits on the channel numbers in a <channel_list> depend on the model  
number of the relay module(s) specified in the <channel_list>. The syntax of a  
<channel_list> is shown in the following diagram:  
<channel_range>  
!
!
:
<NR1>  
<NR1>  
<channel_list>  
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
A module_name is an ASCII string that has been associated with a relay module  
in a ROUTe:MODule:DEFine command. A channel_range may consist of a  
single <channel_spec> or a range of <channel_spec>s. A range of <chan-  
nel_spec>s is indicated by two <channel_spec>s separated by a colon (:)  
character. A <channel_spec> may have one, two or three dimensions depending  
on the architecture of the relay module it applies to.  
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Command Syntax  
The following are examples of valid <channel_list>s for Tektronix VX4320,  
VX4330, VX4350, VX4372, VX4374, and VX4380 relay modules. In these  
examples it is assumed that the Option 01 is installed on a VX4320 Module. A  
VX4330, VX4350, VX4372, VX4374, and VX4380 are installed in consecutive  
slots to the right of the VX4320. The default module names for the VX4320,  
VX4330, VX4350, VX4372, VX4374 and VX4380 in this example are m1, m2,  
m3, m4, m5, and m6 respectively. These module names may be overridden by  
specifying new module names with the [ROUTe:]MODule[DEFine] command. It  
is also assumed in these examples that all sections on the VX4330 Module have  
been configured as 10-to-1 4-wire scanners.  
<channel_list>  
(@m1(1!2))  
Channels Specified  
Channel number 1 of section 2 on the VX4320 Module.  
(@m1(4!1,3!8))  
Channel number 4 in section 1 and relay number 3 in section 8  
of the VX4320 Module.  
(@m1(4!1:4!8))  
Channel number 4 in sections 1 through 8 on the VX4320  
Module.  
(@m1(4!1,4!2,4!3,4!4,  
4!5,4!6,4!7,4!8))  
Channel number 4 in sections 1 through 8 on the VX4320  
Module.  
(@m2(1!6))  
Channel 1 in section 6 of the VX4330 Module.  
(@m2(1!1:10!6))  
All channels on the VX4330 Module in the following order: 1!1,  
1!2, 1!3, 1!4, 1!5, 1!6, 2!1, 2!2, 2!3, 2!4, 2!5, 2!6, ... , 10!1,  
10!2, 10!3, 10!4, 10!5, 10!6.  
(@m2(1!3:10!3))  
(@m3(1:64))  
All 10 channels in section 3 of the VX4330.  
All 64 channels on the VX4350  
(@m3(1,2,3,10,11,  
20:13))  
Channels 1, 2, 3, 10, 11, and 20 through 13 on the VX4350.  
(@m4(1!2))  
(@m5(3!1))  
(@m6(1!13!3))  
Channel 1 in section 2 of the VX4372.  
Channel 3 in section 1 of the VX4374.  
The channel that connects row 1 to column 13 in section 3 of  
the VX4380.  
(@m6(65))  
The channel that connects row 1 to column 1 in section 2 of  
the VX4380.  
(@m6(1!1!2))  
(@m6(1:16))  
Same as the previous example.  
The channels that connect columns 1 through 16 to row 1 in  
section 1 of the VX4380.  
(@m6(1!1!1:1!16!1))  
(@m6(1!1!1:2!3!4))  
Same as the previous example.  
Channels 1!1!1, 1!1!2, 1!1!3, 1!1!4, 1!2!1, 1!2!2, 1!2!3, 1!2!4,  
1!3!1, 1!3!2, 1!3!3, 1!3!4, 2!1!1, 2!1!2, 2!1!3, 2!1!4, 2!2!1,  
2!2!2, 2!2!3, 2!2!4, 2!3!1, 2!3!2, 2!3!3, 2!3!4 on the VX4380  
Module.  
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Command Syntax  
As the <channel_list> syntax diagram shows, channels on more than one relay  
module may be specified in a <channel_list>. The next example specifies  
channels on three different relay modules.  
<channel_list>  
Channels Specified  
(@m1(1!1), m2(4!6),  
m6(3!13!2))  
Channel 1 of section 1 on the VX4320, Channel 4 of section 6  
of the VX4330, and the channel on the VX4380 that connects  
row 3 to column 13 in section 2.  
<list_of_lists > A list of <channel_lists> to be executed on one or more relay  
modules.  
The syntax of a <list_of_lists> is supported on the VX4350 and VX4380  
modules and is described by the following diagram:  
<list_of_lists>  
,
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
Each <channel_list> is identified by the @ character and represents a single  
location in the scan sequence. The syntax contains a list of channels that are  
operated simultaneously when the single location in the scan sequence is  
reached.  
A maximum of eight channels may be specified in each <channel_range>.  
As mentioned above, the module names used in <channel_list>s may be  
specified with a [ROUTe:]MODule[:DEFine] command. The command  
route:module:Define rfmux, 1  
changes the module name assigned to the VX4320 to “rfmux”. The following  
<channel_list> can then be used to specify channels on the VX4320.  
(@rfmux(3!1,2!2))  
specifies channel 3 in section 1 and channel 2 in section 2 of the VX4320.  
The order in which channels are specified is important in the [ROUTe:] CLOSE?  
<channel_list> and [ROUTe:]OPEN? <channel_list> queries. The states of the  
channels are returned in the same order that the channels are specified in the  
<channel_list>.  
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Command Syntax  
The order in which channels are specified is also important in the [ROUTe:]  
SCAN <channel_list> command. This determines the order in which the relays  
will be closed each time a trigger event is detected.  
The order in which channels are specified in a <channel_list> is important in the  
[ROUTe:]CLOSe <channel_list> command when channels in the same section of  
a VX4320 or a VX4330 are specified. A VX4320 can close only one channel in a  
section. If a [ROUTe:]CLOSE <channel_list> command specifies more than one  
relay in a section of a VX4320, the last channel in the <channel_list> will be  
closed.  
For example, the command  
close (@m2(1!1,2!1))  
will close channel 2 of section 1 of the VX4320.  
A VX4330 can close only one channel in a group of joined sections that have  
been specified in a [ROUTe:]CLOSe:MODe SCAN,<module_name>,<sec-  
tion_list> command. If more than one channel in such a group of sections is  
specified in a [ROUTe:]CLOSe <channel_list> command, the last channel  
specified will be closed. For example, the commands  
route:configure:join m2,(1:6)  
route:close:mode scan,m2,(1:6)  
join the commons of all six sections of the VX4330 Module and set the mode of  
the [ROUTe]:CLOSE <channel_list> to scan mode for all six sections of the  
VX4330.  
The command  
route:close (@m2(1!1,1!6))  
will then result in channel 1 of section 6 being closed and all other channels on  
the module being opened.  
output queue The Output queue of the Option 01 VXI Interface is used to return  
replies to queries received by the interface. Bit 4 (the MAV bit) of the Status  
Byte register is set to indicate that this queue is not empty. The DOR bit in the  
VXI Response register is also set to indicate that this queue is not empty. The  
commander of the Option 01 VXI Interface monitors the DOR bit to determine  
when it may read a message from the Output queue.  
<section_list>. One or more <nr1> fields separated by comma (,) or colon (:)  
characters and enclosed in left and right parentheses. A <section_list> is used to  
specify the sections of a relay module to be acted upon by a [ROUTe:]CONFig-  
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Command Syntax  
ure or [ROUTe:]CLOSe:MODE command. The following are examples of valid  
<section_list>s.  
For commands directed to a VX4330 which has six scanner sections:  
<section_list>  
(1:6)  
Sections Specified  
Sections 1 through 6  
Sections 1, 2 and 3  
(1,2,3)  
(1:3,5:6)  
(1:3,5,6)  
(3)  
Sections 1 through 3 and 5 and 6  
Same as previous example  
Section 3  
For commands directed to a VX4372 or VX4374 which has two scanner  
sections:  
<section_list>  
(1)  
Sections Specified  
Section 1  
(1,2)  
Sections 1 and 2  
Sections 1 and 2  
(1:2)  
error/event queue. When the command parser detects a syntax error or data range  
error, it places an error message describing the error in the Error/Event queue.  
Bit 2 of the Status Byte Register is set to indicate that this queue is not empty.  
Bit 5 of the Standard Event Status Register (the Command Error bit) is set if the  
parser detects a syntax error. Bit 4 of the Standard Event Status register (the  
Execution Error bit) is set if the parser detects a numeric argument that is out of  
range. When a SYSTem:ERRor? query is received, an error message is dequeued  
from the Error/Event queue and placed in the Output queue.  
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Command Syntax  
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Functional Command Groups  
This section lists the VX4380 system and module commands.  
System Commands  
The following low-level commands are typically sent by the module’s command-  
er, and are transparent to the user of the module. (An exception is the Read STB  
command, which is sent whenever a Serial Poll on an IEEE-488 system is  
performed.) Most commanders or Slot 0 devices have specific ASCII commands  
that cause the commander to send one of these low-level commands to a  
specified instrument. Refer to the operating manual of the commander or Slot 0  
device for information on these commands.  
Command  
Effect  
Begin Normal Operation  
Byte Available  
The module begins operation if it has not already done so.  
Transfers module commands to this module.  
Byte Request  
Requests the module to return a byte of data from the output  
queue.  
Clear  
The module clears its VXIbus interface and any pending  
commands. Current module operations are unaffected.  
Clear Lock  
Read Protocol  
Read STB  
Set Lock  
Clears the Lock bit of the Response register.  
The module returns its protocol to its commander.  
The module returns its VXI status byte to its commander.  
Set the Lock bit of the Response register.  
Trigger  
Close the next relay in a scan list that has been defined by a  
ROUTe:SCAN <channel_list> command. A VXI Trigger  
command is enabled as a trigger source by a ROUTe:SE-  
Quence:SOURce BUS command.  
Module Commands  
A summary of the VX4380-specific and IEEE-488.2 Common Commands is  
listed in Tables 3–1 and 3–2 below. The next section, Command Descriptions,  
includes detailed descriptions of each command. Appendix C: Examples shows  
examples of command usage.  
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Functional Command Groups  
Table 3–1: Summary of VX4380-Specific SCPI Commands  
Subsystem Command  
ABORt  
Functions Controlled  
Place initiated scan in the idle state  
Close specified relays; DWELl  
CLOSe  
CONFigure  
ID?  
Configuration: DISJoin, JOIN  
Return model numbers of modules controlled by the Option 01  
INITiate  
Place trigger subsystem in armed state: IMMediate,  
CONTinuous  
MODule  
OPEN  
Module name functions: DEFine, CATalog?, DELete  
Open specified relays: ALL, DWELl  
OUTPut  
PFAil  
Enable or disable selected VXI TTL trigger  
Specify state of latching relays on powerfail  
Define a list of relay closures to scan through  
Status register functions: OPERation, QUESstionable  
System-level functions: ERRor?, PRESet, VERSion?  
Scan list functions: COUNt, DELay, IMMediate, SOURce  
SCAN  
STATus  
SYSTem  
TRIGger  
Table 3–2: Summary of IEEE-488.2 Common Commands  
Command/Syntax  
Description  
Clear Status  
*CLS  
Clears the SCPI and IEEE 488.2 event registers and  
the SCPI error/event queue, and the output queue.  
Standard Event Status Enable  
*ESE <NRf>  
Sets the contents of the Standard Event Status Enable  
register.  
Standard Event Status Enable Query  
*ESE?  
Returns the current value of the Standard Event  
Status Enable register in <nr1> format.  
Standard Event Status Register Query Returns the current value of the Standard Event  
*ESR?  
Status register in <nr1> format, then set the contents  
of this register to 0.  
Identification Query  
*IDN?  
Returns an ASCII string in the output queue which  
identifies the board.  
Operation Complete  
*OPC  
Sets bit 0 (the Operation Complete bit) of the  
Standard Event Status register when all pending  
device operations have been completed.  
Operation Complete Query  
*OPC?  
Places the ASCII character 1 in the output queue  
when all pending device operations have been  
completed.  
Reset*  
*RST  
The Option 01 VXI interface is placed in its power-up  
state with some exceptions.  
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Functional Command Groups  
Table 3–2: Summary of IEEE-488.2 Common Commands (Cont.)  
Command/Syntax  
Description  
Service Request Enable  
*SRE <NRf>  
Sets the contents of the Service Request Enable  
register.  
Service Request Enable Query  
*SRE?  
Returns the current value of the Service Request  
Enable register in <nr1> format.  
Read Status Byte Query  
*STB?  
Returns the current value of the Status Byte register in  
<nr1> format.  
Trigger  
*TRG  
Equivalent to a VXI Trigger command.  
Self-Test Query  
*TST?  
Performs a self test of the Option 01 VXI Interface  
daughter board and any relay modules under its  
control. Place a “0” or “1” into the output queue to  
indicate whether the self test passed or failed.  
Wait-to-Continue  
*WAI  
Does not execute any further commands or queries  
until all pending operations have been completed.  
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Functional Command Groups  
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Command Descriptions  
This section lists the VX4380-specific SCPI commands and queries in alphabetic  
order. The IEEE-488.2 Common Commands are listed in the next section. A  
summary listing of the SCPI command set for the Option 01 is as follows:  
ABORt  
[ROUTe:]CLOSe <channel_list>  
[ROUTe:]CLOSe:DWELl <module_name>,<nrf>  
[ROUTe:]ID?  
INITiate:CONTinuous  
INITiate[:IMMediate]  
[ROUTe:]MODule[:DEFine] <module_name>,<nrf>  
[ROUTe:]MODule:CATalog?  
[ROUTe:]MODule:DELete[:NAME] <module_name>  
[ROUTe:]MODule:DELete:ALL  
[ROUTe:]OPEN <channel_list>  
[ROUTe:]OPEN:ALL [module_name]  
[ROUTe:]OPEN:DWELl <module_name>,<nrf>  
OUTPut:TTLTrg<n>[:STATe] ON | OFF | <nrf>  
[ROUTe:]PFAil <action_at_powerfail>  
[ROUTe:]SCAN <channel_list>  
STATus:OPERation:CONDition?  
STATus:OPERation:ENABle  
STATus:OPERation[:EVENt?]  
STATus:QUEStionable:CONDition?  
STATus:QUEStionable:ENABle  
STATus:QUEStionable[:EVENt?]  
SYSTem:ERRor?  
SYSTem:PRESet  
SYSTem:VERSion?  
TRIGger[:SEQuence]:COUNt  
TRIGger[:SEQuence]:DELay  
TRIGger[:SEQuence]:IMMediate  
TRIGger[:SEQuence]:SOURce BUS | HOLD | IMMediate | TTLTrg<n>  
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Command Descriptions  
ABORt  
Command Syntax  
Query Syntax  
*RST Value  
ABORt  
N/A  
N/A  
Limits  
N/A  
Related Commands  
ROUTe:SCAN,  
INITiate[:IMMediate],  
TRIGger[:SEQuence][:SOURce],  
TRIGger[:SEQuence][:IMMediate]  
TRIGger[:SEQuence][:COUNt]  
TRIGger[:SEQuence][:DELay]  
Description  
Examples  
This comand places an initiated scan sequence in the idle state.  
The following example defines a scan sequence of 10 relays. The sequence is  
aborted after the third relay in the sequence is closed. In this example, module  
names m1 and m2 refer to VX4380 Modules. After a scan sequence is aborted,  
triggers are no longer accepted by the Option 01 until another INITiate[:IMMedi-  
ate] command is received.  
Command  
Response  
route:scan  
(@m1(1:5),m2(60:64))  
Define a scan sequence.  
trigger:sequence:  
source hold  
This command disables the following trigger sources: VXI TTL  
triggers, VXI Trigger commands, *TRG command, and IMMedi-  
ate triggers. The TRIGger[:SEQuence][:IMMediate] command,  
however, overrides this command. It triggers the module and  
skips the delay specified in a previously issued TRIGger  
[:SEQuence]:DELay command.  
initiate:immediate  
Initiate the scan sequence.  
trig  
trig  
Close the first relay in the sequence.  
Open the first relay and close the second relay in the se-  
quence.  
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Command Descriptions  
Command  
Response  
trig  
Open the second relay and close the third relay in the se-  
quence.  
abort  
Abort the scan sequence.  
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Command Descriptions  
CLOSe  
Command Syntax  
Query Syntax  
Query Response  
*RST Value  
[ROUTe:]CLOSe<channel_list>  
[ROUTe:]CLOSe?<channel_list>  
Indicates which relays are closed.  
All relays on all modules are set to the open position.  
The syntax of a <channel_list> is described by the following diagram:  
Limits  
<channel_range>  
!
!
:
<NR1>  
<NR1>  
<channel_list>  
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
A module_name is an ASCII string that has been associated with a relay module  
in a [ROUTe:]MODule[:DEFine] command. A channel_range may consist of a  
single <channel_spec> or a range of <channel_spec>s. A range of <chan-  
nel_spec>s consists of two <channel_specs> separated by a colon (:) character.  
One, two and three dimensional <channel_spec>s are supported for the VX4380.  
A three dimensional <channel_spec> consists of three ASCII-encoded decimal  
integers separated by exclamation point characters (!). The first integer specifies  
a row, the second a column, and the third a section of the VX4380. For example,  
<channel_spec> 2!3!4 specifies the relay that joins row 2 to column 3 in section  
4 of the VX4380.  
Two dimensional <channel_spec>s consist of two ASCII-encoded decimal  
integers separated by an exclamation point character. The first integer specifies a  
row and the second specifies a column. When a two dimensional <chan-  
nel_spec> is issued, the section number defaults to 1. For example, <chan-  
nel_spec> 4!15 specifies the relay that joins row 4 to column 15 in section 1.  
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Command Descriptions  
Related Commands  
[ROUTe:]OPEN <channel_list>  
[ROUTe:]MODule:DEFine  
[ROUTE:]CLOSE:DWELl  
OUTPut:TTLTrg<n>[:STATe]  
A one dimensional <channel_spec> consists of a single ASCII-encoded decimal  
integer. The value of a one dimensional <channel_spec> can be determined from  
a three dimensional <channel_spec> by using the following formula:  
((section - 1) × 64) + ((row - 1) × 16) + column  
where variables “section”, “row”, and “column” are section, row and column  
numbers specified in a three dimensional <channel_spec>.  
For example, the channel spec 3!10!2 specifies the relay that connects row 3 to  
column 10 in section 2. The equivalent one dimensional <channel_spec> is equal  
to ((2–1) × 64) + ((3–1) × 16) + 10 = 106.  
Description  
This command closes the relays specified in the <channel_list> portion of this  
command. After these relays are closed, a delay specified in a previously issued  
[ROUTe:]CLOSe:DWELl command is generated. This command is used to  
assign a close delay to each module controlled by an Option 01 daughter board.  
If more than one module is specified in the <channel_list> argument of the  
[ROUTe:]CLOSe command, the longest dwell time assigned to any of the  
specified modules is used. After this delay, VXI TTL triggers that have been  
enabled by a previously issued OUTPut:TTLTRG<n>:STATE command are  
pulsed low for 3 msec.  
Examples  
In this example, the Option 01 is installed on a VX4380 Module. Two additional  
VX4380 Modules are installed in consecutive slots to the right of the first  
VX4380. The default module names for these three modules are m1, m2, and  
m3. These module names may be altered with the [ROUTe:]MODule[:DEFine]  
command.  
Command  
Response  
route:close:dwell  
m1,.1  
Assign a close dwell time of 0.1 seconds to the first VX4380.  
route:close:dwell  
m2,.2  
Assign a close dwell time of 0.2 seconds to the second  
VX4380.  
route:close:dwell  
m3,.5  
Assign a close dwell time of 0.5 seconds to the third VX4380.  
output:ttltrg1:State  
on  
Enable VXI TTL trigger 1.  
output:ttltrg4:state  
on  
Enable VXI TTL trigger 4.  
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Command Descriptions  
Command  
Response  
route:close  
(@m1(1:10))  
Close the relays that connect row 1 to columns 1 through 10 in  
section 1 of the first VX4380, wait 0.1 seconds then pulse VXI  
TTL triggers 1 and 4 low for 3 msec.  
route:close  
(@m2(2!9!3,1!16))  
Close the relay that connects row 2 to column 9 in section 3  
and the relay that connects row 1 to column 16 of section 1 of  
the second VX4380. Wait 0.2 seconds, then pulse VXI TTL  
triggers 1 and 4 low for 3 msec.  
output:ttltrg4:State  
off  
Disable VXI TTL trigger 4.  
close  
Close the relay that connects row 1 to column 1 in section 2 of  
(@m1(1!1!2),m2(1!1!2), each of the VX4380 Modules, wait 0.5 seconds, then pulse VXI  
m3(1!1!2))  
TTL trigger 1 low for 3 msec.  
Command Syntax  
[ROUTe:]CLOSe  
:DWELl<module_name>,<nrf>  
Query Syntax  
*RST Value  
Limits  
N/A  
The close dwell time of all modules is set to 0 seconds.  
The value of the time specified in this command must be between 0 and 6.5535  
seconds.  
Related Commands  
[ROUTE:]CLOSe  
[ROUTe:]SCAN  
OUTPut:TTLTrg<n>[:STATE]  
Description  
Examples  
Set the time to wait after closing a relay before proceeding and pulsing any  
enabled VXI TTL trigger signals.  
In this example the Option 01 is installed on a VX4380 Module.  
Command  
Response  
output:ttltrg1:state  
on  
Enable VXI TTL trigger 1.  
route:close:dwell  
m1,.25  
Set the close dwell time for the VX4380 to 0.25 seconds.  
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Command Descriptions  
Command  
Response  
route:open:dwell  
m1,0.5  
Set the open dwell time for the VX4380 to 0.5 seconds.  
route:close  
(@m1(1!3:10!3))  
Close relays 1 through 10 in section 3 of the VX4380, wait  
0.25 seconds, then pulse VXI TTL trigger 1.  
Define a scan list consisting of relays 1 through 20 in section 6  
of the VX4380.  
route:scan  
(@m1(1!6:20!6))  
route:close  
(@m1(1!1!3:4!1!3))  
Close the relays that connect rows 1 through 4 to column 1 in  
section 3 of the VX4380, wait 0.25 seconds, then pulse VXI  
TTL trigger 1.  
scan  
Define a scan list consisting of all relays in section 1 and the  
(@m1(1!1!1:4!16!1,1!1! relay that joins row 1 to column 1 in section 2. The relays in  
2))  
section 1 are specified in the following order:  
1!1!1, 1!2!1, 1!3!1, ...,  
1!16!1,2!1!1, 2!2!1, 2!3!1, ...,  
2!16!1,3!1!1, 3!2!1, 3!3!1, ...,  
3!16!1,4!1!1, 4!2!1, 4!3!1, ...,  
4!16!1  
Note that this scan list can be specified using one dimensional  
<channel_spec>s as:  
scan (@m1(1:65))  
After this sequence, each time the VXI TTL trigger 2 is pulsed low, the  
following sequence of events occurs:  
1. One second delay. This is the delay specified in the trigger:Sequence:delay  
command.  
2. The current relay in the scan list is opened.  
3. 0.5 second delay. This is the delay specified in the route:open:dwell  
command.  
4. Close the next relay in the scan list.  
5. 0.25 second delay. This is the delay specified in the route:close:dwell  
command.  
6. Pulse VXI TTL trigger 1 low for 3 msec.  
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Command Descriptions  
ID?  
Command Syntax  
*RST Value  
Limits  
[ROUTe:]ID?  
N/A  
N/A  
Related Commands  
Description  
[ROUTe:]MODule:CATalog?  
This query returns a list of the model numbers of the modules controlled by the  
Option 01. The first model number returned is that of the module that the Option  
01 is installed on. Subsequent model numbers are those of modules in consecu-  
tive slots to the right of the first module.  
Examples  
In these examples the Option 01 is installed on a VX4350 Module. A VX4380,  
VX4380, and VX4320 are installed in consecutive slots to the right of the slot  
containing the VX4350. The default module names for the VX4350, VX4380,  
VX4380 and VX4320 in this configuration are m1, m2, m3, and m4 respectively.  
These module names may be altered with the [ROUTe:]MODule:DEFine com-  
mand.  
Command  
Response  
route:id?  
VX4350, VX4380, VX4380, VX4320  
“M1”, “M2”, “M3”, “M4”  
route:module:Catalog?  
route:close (@m1(1))  
route:open:all m2  
Close relay number 1 on the VX4350.  
Open all relays on the VX4380.  
route:close (@m3(1!6)) Close relay number 1 in section 6 of the VX4380  
route:close  
(@m4(3!1:3!8))  
Close relay number 3 in all eight sections of the VX4320.  
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Command Descriptions  
INITiate  
Command Syntax  
INITiate  
[:IMMediate]  
Query Syntax  
Query Response  
*RST Value  
N/A  
N/A  
The trigger subsystem is in the idle state.  
Related Commands  
ABORt  
ROUTe:SCAN  
TRIGger[:SEQuence][:SOURce]  
TRIGger[:SEQuence][:IMMediate]  
TRIGger[:SEQuence][:COUNt]  
TRIGger[:SEQuence][:DELay]  
Description  
Examples  
This command places the trigger subsystem in the armed state. In this state, a  
trigger event enabled by the TRIGger[:SEQuence][:SOURce] command closes  
the next relay in a scan sequence, after opening the previous relay in the  
sequence. After a sufficient number of triggers have been received to cycle  
through a scan list the number of times specified in a TRIGger:[SEQuence]  
:COUNt command, the trigger subsystem is placed in the idle state. In this state,  
triggers are ignored.  
In this example, module names “m1” and “m2” have been assigned to VX4380  
Modules.  
Command  
Response  
route:scan  
(@m1(1!1!1),  
m2(1!1!1,1!1!2))  
Define a scan list consisting of 3 relays.  
trigger:sequence:  
count 1  
Define the number of times to sequence through the scan list  
before setting the state of the trigger subsystem back to the  
idle state.  
initiate:immediate  
Initiate the scan sequence.  
trig  
trig  
Close the first relay in the sequence.  
Open the first relay and close the second relay in the  
sequence.  
3–23  
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Command Descriptions  
Command  
Response  
trig  
Open the second relay and close the third relay in the  
sequence.  
trig  
Open the third relay in the sequence. Place the trigger  
subsystem in the idle state.  
Command Syntax  
INITiate  
:CONTinuous  
Query Syntax  
*RST Value  
N/A  
The trigger subsystem is in the idle state.  
Related Commands  
ABORt  
ROUTe:SCAN  
TRIGger[:SEQuence][:SOURce]  
TRIGger[:SEQuence][:IMMediate]  
[:SEQuence][:DELay]  
Description  
Examples  
If a scan list has been defined by a [ROUTe:]SCAN command, this command  
places the trigger subsystem in the armed state. In this state, a trigger event  
enabled by the TRIGger[:SEQuence]:SOURce command opens the currently  
closed channel in a scan list and closes the next channel in the list. Triggers  
continue to be recognized until an ABORt command is received, which returns  
the trigger subsystem to the IDLE state.  
In this example, it is assumed that the Option 01 daughter board is installed on a  
VX4380 Module, and that the default module name “m1” is in effect.  
Command  
Response  
scan (@m1(1:64))  
Define a scan list consisting of all relays in section 1 of the  
VX4380 Module.  
trigger:Sequence:  
count 2  
Set the number of times to sequence through a scan list (when  
an INITiate[:IMMediate] command is received) to 2.  
trigger:sequence:  
source hold  
Disable all trigger sources.  
initiate:continuous  
trigger:seq:imm  
Place the trigger subsystem in the arm state.  
Override the hold placed on triggers. Close channel 1 on the  
VX4380.  
3–24  
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Command Descriptions  
Command  
Response  
trigger:seq:imm  
Override the hold placed on triggers. Open channel 1, then  
close channel 2 on the VX4380.  
trigger:seq:sour imm  
Remove the hold placed on triggers. Set the trigger source to  
immediate. This causes sequencing of the scan list indefinitely  
or until an ABORt command is received.  
ABOR  
Return the trigger subsystem to the idle state. Open the  
currently closed relay in the scan list.  
initiate:immediate  
Place the trigger subsystem in the arm state, sequence through  
the scan list twice, then return the trigger subsystem to the idle  
state.  
3–25  
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Command Descriptions  
MODule  
Command Syntax  
[ROUTe:]MODule  
[:DEFine] <module_name>,<nrf>  
Query Syntax  
[ROUTe:]MODule  
[:DEFine]? <module_name>  
Query Response  
*RST Value  
See examples.  
Default module names are assigned as follows:  
The module that has a Option 01 VXI Interface daughter board installed is  
assigned module name “M1”.  
Modules without the Option 01 VXI Interface daughter board in consecutive  
slots to the right of module “M1” are assigned module names “M2”, “M3”, ...,  
“M11”.  
Limits  
A module name may consist of up to 12 characters. The name must start with a  
letter and may consist of alphanumeric characters, underscores, and digits.  
Related Commands  
[ROUTe]:MODule:DELete[:NAME]  
[ROUTe]:MODule:DELete[:ALL]  
[ROUTe:]MODule:CATalog?  
Description  
Examples  
This command assigns a module name to a relay switching module. This name is  
used to identify the module in channel lists in [ROUTe:]OPEN,  
[ROUTe:]CLOSe, and [ROUTe:]SCAN commands.  
In these examples the Option 01 is installed on a VX4350 Module. A VX4380  
and VX4380 are installed in consecutive slots to the right of the slot containing  
the VX4350.  
Command  
Response  
route:module:define  
matrix,2  
Assign module name “matrix” to the VX4380.  
clos (@matrix(2!3!4))  
Connect row 2 to column 3 in section 4 of the VX4380.  
3–26  
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Command Descriptions  
Command  
Response  
route:module:define?  
matrix  
2
mod?matrix  
2
Command Syntax  
[ROUTe:]MODule  
:CATalog?  
*RST Value  
Limits  
N/A  
N/A  
Related Commands  
[ROUTe]:MODule:DEFine[:NAME]  
[ROUTe]:MODule:DELete[:NAME],  
[ROUTe]:MODule:DELete[:ALL]  
Description  
Examples  
This command returns a list of defined module names.  
In these examples the Option 01 is installed on a VX4350 Module. A VX4380  
and VX4380 are installed in consecutive slots to the right of the slot containing  
the VX4350.  
Command  
Response  
route:module:catalog?  
“M1”, “M2”, “M3”  
route:module:delete m1 Delete module name “M1”  
route:module:catalog? “M2”, “M3”  
3–27  
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Command Descriptions  
Command Syntax  
[ROUTe:]MODule  
:DELete  
[:NAME] <module_name>  
Query Syntax  
*RST Value  
N/A  
N/A  
N/A  
Limits  
Related Commands  
[ROUTe]:MODule:DEFine[:NAME]  
[ROUTe]:MODule:CATalog?  
[ROUTe:]MODule:DELete[:ALL]  
Description  
Examples  
This command deletes a module name definition. After this command is  
executed, the specified module name is no longer associated with a relay  
module.  
Command  
Response  
route:module:catalog?  
“M1”, “M2”, “M3”  
route:module:delete m1 Delete module name “M1”  
route:module:catalog?  
“M2”, “M3”  
Command Syntax  
[ROUTe:]MODule  
:DELete  
:ALL  
Query Syntax  
*RST Value  
Limits  
N/A  
N/A  
N/A  
3–28  
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Command Descriptions  
Related Commands  
[ROUTe]:MODule:DEFine[:NAME]  
[ROUTe]:MODule:CATalog?  
[ROUTe:]MODule:DELete[:NAME]  
Description  
Examples  
This command will delete all module name definitions.  
Command  
Response  
route:module:catalog?  
“M1”, “M2”, “M3”  
Delete all module names  
route:module:delete:  
all  
route:module:catalog?  
“ ”  
3–29  
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Command Descriptions  
OPEN  
Command Syntax  
Query Syntax  
Query Response  
*RST Value  
[ROUTe:]OPEN <channel_list>  
[ROUTe:]OPEN? <channel_list>  
See examples.  
All relays on all modules are set to the open position.  
The syntax of a <channel_list> is described by the following diagram:  
Limits  
<channel_range>  
!
!
:
<NR1>  
<NR1>  
<channel_list>  
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
A module_name is an ASCII string that has been associated with a relay module  
in a [ROUTe:]MODule[:DEFine] command. A channel_range may consist of a  
single <channel_spec> or a range of <channel_spec>s. A range of <chan-  
nel_spec>s consists of two <channel_specs> separated by a colon (:) character.  
One, two and three dimensional <channel_spec>s are supported for the VX4380.  
A three dimensional <channel_spec> consists of three ASCII-encoded decimal  
integers separated by exclamation point characters (!). The first integer specifies  
a row, the second a column, and the third a section of the VX4380. For example,  
<channel_spec> 2!3!4 specifies the relay that joins row 2 to column 3 in section  
4 of the VX4380.  
Two dimensional <channel_spec>s consist of two ASCII-encoded decimal  
integers separated by an exclamation point character. The first integer specifies a  
row and the second specifies a column. When a two dimensional <chan-  
nel_spec> is issued, the section number defaults to 1. For example, <chan-  
nel_spec> 4!15 specifies the relay that joins row 4 to column 15 in section 1.  
3–30  
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Command Descriptions  
A one dimensional <channel_spec> consists of a single ASCII-encoded decimal  
integer. The value of a one dimensional <channel_spec> can be determined from  
a three dimensional <channel_spec> by using the following formula:  
((section - 1) × 64) + ((row- 1) × 16) + column  
where variables “section”, “row”, and “column” are section, row and column  
numbers specified in a three dimensional <channel_spec>.  
For example, the channel spec 3!10!2 specifies the relay that connects row 3 to  
column 10 in section 2. The equivalent one dimensional <channel_spec> is equal  
to ((2–1) × 64) + ((3–1) × 16) + 10 = 106.  
Related Commands  
[ROUTe:]CLOSe <channel_list>,  
[ROUTe:]MODule:DEFine,  
[ROUTE:]OPEN:DWELl  
Description  
Examples  
This command opens the relays specified in the <channel_list> portion of this  
command.  
In this example, the Option 01 is installed on a VX4380 Module. Two additional  
VX4380 Modules are installed in consecutive slots to the right of the first  
VX4380. The default module names for these three modules are m1, m2, and  
m3. These module names may be altered with the [ROUTe:]MODule[:DEFine]  
command.  
Command  
Response  
route:open:dwell m1,.1 Assign a open dwell time of 0.1 seconds to the first VX4380.  
route:open:dwell m2,.2 Assign a open dwell time of 0.2 seconds to the second  
VX4380.  
route:open:dwell m3,.5 Assign a open dwell time of 0.5 seconds to the third VX4380.  
route:open (@m1(1:10)) Open the relays that connect row 1 to columns 1 through 10 in  
section 1 of the first VX4380, then wait 0.1 seconds.  
route:open  
(@m2(2!9!3,1!16))  
Open the relay that connects row 2 to column 9 in section 3  
and the relay that connects row 1 to column 16 of section 1 of  
the second VX4380, then wait 0.2 seconds.  
open (@m1(1!1!2),  
m2(1!1!2),m3(1!1!2))  
Open the relay that connects row 1 to column 1 in section 2 of  
each of the VX4380 modules, then wait 0.5 seconds.  
3–31  
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Command Descriptions  
Command  
Response  
open (@m1(1:64))  
Open all relays in section 1 of the first VX4380, then wait 0.1  
seconds.  
open? (@m1(1:64))  
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1  
This response indicates that all relays in section 1 of the first  
VX4380 are open.  
Command Syntax  
[ROUTe:]OPEN  
:ALL [module_name]  
Query Syntax  
*RST Value  
N/A  
All relays on all modules are set to the open position.  
N/A  
Limits  
Related Commands  
[ROUTe:]CLOSe,  
[ROUTe:]MODule:DEFine  
Description  
Examples  
If a module name is not specified in this command, open all relays on all  
modules controlled by the Option 01. If a module name is specified, open all  
relays on the specified module only. In either case do not change the state of the  
configuration relays on VX4380 Modules.  
Command  
Response  
ROUTE:OPEN:ALL  
Open all relays on all modules controlled by the Option 01. Do  
not change the state of the configuration relays on VX4380  
Modules.  
rout:open:all  
Same as the first example.  
route:open:all gp  
Open all relays on the module that has been assigned module  
name “gp”. See the [ROUTe:]MODule:DEFine command.  
Command Syntax  
[ROUTe:]OPEN  
:DWELl<module_name>,<nrf>  
Query Syntax  
N/A  
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Command Descriptions  
*RST Value  
Limits  
The open dwell time of all modules is set to 0 seconds.  
The value of the time specified in this command must be between 0 and  
6.5535 seconds.  
Related Commands  
[ROUTE:]OPEN,  
[ROUTe:]SCAN  
Description  
Examples  
This command sets the time to wait after opening a relay before proceeding.  
In this example the Option 01 is installed on a VX4380 Module.  
Command  
Response  
output:ttltrg1:state  
on  
Enable VXI TTL trigger 1.  
route:close:dwell  
m1,.25  
Set the close dwell time for the VX4380 to .25 seconds.  
Set the open dwell time for the VX4380 to 0.5 seconds.  
route:open:dwell  
m1,0.5  
scan  
(@m1(1!1!1:4!16!1,  
1!1!2))  
Define a scan list consisting of all relays in section 1 and the  
relay that joins row 1 to column 1 in section 2. The relays in  
section 1 are specified in the following order:  
1!1!1, 1!2!1, 1!3!1, ..., 1!16!1,  
2!1!1, 2!2!1, 2!3!1, ..., 2!16!1,  
3!1!1, 3!2!1, 3!3!1, ..., 3!16!1,  
4!1!1, 4!2!1, 4!3!1, ..., 4!16!1  
Note that this scan list can also be specified using one  
dimensional <channel_spec>s as  
:route:Scan (@m1(1:65))  
trigger:Sequence:  
source:ttltrg2  
Define VXI TTL trigger 2 as the trigger source for the defined  
scan list.  
trigger:sequence:  
delay 1  
Set the trigger delay time to 1 second.  
initiate:immediate  
Initiate the scan sequence.  
After this sequence, each time the VXI TTL trigger 2 is pulsed low, the  
following sequence of events occurs:  
1. One second delay. This is the delay specified in the trigger:Sequence:delay  
command.  
2. The current relay in the scan list is opened.  
3–33  
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Command Descriptions  
3. 0.5 second delay. This is the delay specified in the route:open:dwell  
command.  
4. Close the next relay in the scan list.  
5. 0.25 second delay. This is the delay specified in the route:close:dwell  
command.  
6. Pulse VXI TTL trigger 1 low for 3 msec.  
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Command Descriptions  
OUTPut  
Command Syntax  
OUTPut  
:TTLTrg<n>  
[:STATe] ON | OFF | <nrf>  
Query Syntax  
OUTPut  
:TTLTrg<n>  
[:STATe]?  
Query Response  
*RST Value  
Indicates whether a VXI TTL trigger is enabled.  
All VXI TTL triggers are disabled.  
Related Commands  
ROUTe:CLOSe  
ROUTe:SCAN  
Description  
Examples  
One or more VXI TTL triggers may be enabled. Triggers that are enabled are  
pulsed low for 3 msec after a relay is closed by the Option 01 after a time  
specified by the ROUTe:CLOSe:DWELl command.  
Command  
Response  
output:ttltrg1:  
state on  
Enable driving VXI TTL trigger 1.  
outp:ttlt2 off  
Disable driving VXI TTL trigger 2.  
Enable driving VXI TTL trigger 7.  
outp:ttlt7:stat 1  
output:ttltrg4:state?  
1
This response indicates that VXI TTL trigger 4 is enabled.  
3–35  
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Command Descriptions  
PFAil  
Command Syntax  
Query Syntax  
*RST Value  
[ROUTe:]PFAil <action_at_powerfail>  
N/A  
All relays on all modules are opened when power is removed from the VXI  
chassis.  
Limits  
Related Commands  
Description  
N/A  
N/A  
This command specifies the state that all latching relays on all modules  
controlled by the Option 01 are to be placed in when power is removed from the  
VXI chassis containing the modules. <action_at_powerfail> must be OPEN or  
SAME. If OPEN is specified, all latching relays are opened at powerfail. If  
SAME is specified, all latching relays are left in their current state at powerfail.  
NOTE. VXI chassis +5 V power is maintained for 4 milliseconds after ACFAIL is  
asserted, in compliance with VXI Specifications. This allows for orderly system  
shutdown and implementation of the PFAil OPEN option.  
Command  
Response  
Examples  
route:pfail same  
route:pfail open  
Leave all latching relays in their current state at powerfail.  
Open all latching relays at powerfail.  
3–36  
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Command Descriptions  
SCAN  
Command Syntax  
[ROUTe:]SCAN <channel_list>  
[ROUTe:]SCAN <list_of_lists>  
Query Syntax  
*RST Value  
Limits  
N/A  
No scan list is defined.  
The syntax of a <channel_list> is described by the following diagram:  
<channel_range>  
!
!
:
<NR1>  
<NR1>  
<channel_list>  
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
A module_name is an ASCII string that has been associated with a relay module  
in a [ROUTe:]MODule[:DEFine] command. A channel_range may consist of a  
single <channel_spec> or a range of <channel_spec>s. A range of <chan-  
nel_spec>s consists of two <channel_specs> separated by a colon (:) character.  
One, two and three dimensional <channel_spec>s are supported for the VX4380.  
A three dimensional <channel_spec> consists of three ASCII-encoded decimal  
integers separated by exclamation point characters (!). The first integer specifies  
a row, the second a column, and the third a section of the VX4380. For example,  
<channel_spec> 2!3!4 specifies the relay that joins row 2 to column 3 in section  
4 of the VX4380.  
Two dimensional <channel_spec>s consist of two ASCII-encoded decimal  
integers separated by an exclamation point character. The first integer specifies a  
row and the second specifies a column. When a two dimensional <chan-  
nel_spec> is issued, the section number defaults to 1. For example, <chan-  
nel_spec> 4!15 specifies the relay that joins row 4 to column 15 in section 1.  
3–37  
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Command Descriptions  
A one dimensional <channel_spec> consists of a single ASCII-encoded decimal  
integer. The value of a one dimensional <channel_spec> can be determined from  
a three dimensional <channel_spec> by using the following formula:  
((section - 1) × 64) + ((row - 1) × 16) + column  
where variables “section”, “row”, and “column” are section, row and column  
numbers specified in a three dimensional <channel_spec>.  
For example, the channel spec 3!10!2 specifies the relay that connects row 3 to  
column 10 in section 2. The equivalent one dimensional <channel_spec> is equal  
to ((2–1) × 64) + ((3–1) × 16) + 10 = 106.  
The syntax of a <list_of_lists> is supported on the VX4350 and VX4380  
modules and is described by the following diagram:  
<list_of_lists>  
,
,
,
(
@
<module_name>  
(
)
)
<channel_range>  
Each <channel_list> is identified by the @ character and represents a single  
location in the scan sequence. The syntax contains a list of channels that are  
operated simultaneously when the single location in the scan sequence is  
reached.  
A maximum of eight channels may be specified in each <channel_range>.  
Related Commands  
ABORT  
TRIGger[:SEQuence]:SOURce,  
TRIGger[:SEQuence]:COUNt,  
TRIGger[:SEQuence]:DELay,  
TRIGger[:SEQuence]:IMMediate,  
TRIGger[:SEQuence]:COUNt,  
INITiate:CONTinuous  
INITiate[:IMMediate],  
[ROUTe:]CLOSe:DWELl  
[ROUTe:]OPEN:DWELl  
Description  
This command defines a list of relay closures to sequence through. This list is  
called a scan list. When the ROUTe:SCAN <channel_list> command is received,  
all relays in this list are opened. In addition to defining a scan list, a trigger  
source must be specified using the TRIGger[:SEQuence]:SOURce command.  
3–38  
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Command Descriptions  
Trigger events are not recognized until triggers are armed by a INITiate[:IM-  
Mediate] or INITiate:CONTinuous command.  
When the first trigger event is detected, the first relay in the scan list is closed.  
When the second trigger event is detected, the first relay is opened and the  
second relay is closed. When the nth trigger event is detected, the (n–1)th relay is  
opened and the nth relay is closed. The act of opening the (n–1)th relay and  
closing the nth relay is called sequencing the scan list. At any given time after  
the first trigger event is detected, only one relay in the scan list is closed.  
The TRIGger[:SEQuence]:COUNt command may optionally be used to specify  
the number of times to sequence through the entire scan list. The TRIGger[:SE-  
Quence]:DELay, [ROUTe:]CLOSe:DWELl, and [ROUTe:]OPEN:DWELl  
commands may optionally be used to specify the time to wait after a trigger  
event is detected, a relay is closed or a relay is opened. A TRIGger[:SE-  
Quence]:IMMediate command causes the scan list to be sequenced without the  
delay specified by a previously issued TRIGger[:SEQuence]:DELay command.  
Examples  
In these examples the Option 01 is installed on a VX4350 Module. A VX4380  
and VX4380 are installed in consecutive slots to the right of the slot containing  
the VX4350.  
Command  
Response  
route:module:define  
gp,1  
Assign module name “gp” to the VX4350.  
route:module:define  
matrix,2  
Assign module name “matrix” to the VX4380.  
Assign module name “scan” to the VX4380.  
route:module:define  
scan,3  
route:scan (@gp(1:64), Define a scan list consisting of relays 1 through 64 on the  
matrix(1!1!1,2!10!3),  
scan(1!1:20!1))  
VX4350, relays at row 1, column 1 of section 1 and row 2,  
column 10 of section 3 of the VX4380 and relays 1 through 20  
of section 1 of the VX4380.  
trigger:sequence:  
source immediate  
Define a trigger source of “immediate”. This means to  
sequence through the scan list without waiting for a trigger  
event.  
trigger:sequence:count Sequence through the entire scan list 5 times.  
5
route:close:dwell  
gp,.5  
Wait 0.5 seconds after closing a relay on the VX4350.  
initiate:immediate  
*OPC  
Begin sequencing through the scan list.  
Set the Operation Complete bit of the Standard Event Status  
register after sequencing through the scan list five times.  
3–39  
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Command Descriptions  
Command  
Response  
route:scan (@gp(1:8),  
Define a scan list of three entries on the VX4350, each entry  
@gp(9:16), @gp(17:24)) consisting of eight relays to be closed simultaneously.  
initiate:immediate  
*OPC  
Begin sequencing through the scan list.  
Set the Operation Complete bit of the Standard Event Status  
register after sequencing through the scan list five times.  
route:scan (@gp(1),  
matrix(1!1!1),  
scan(1!3!3), @gp(2),  
matrix(1!2!2),  
Define a scan list of three entries. Each entry consists of a  
single relay on the VX4350 and a single relay on each of the  
VX4380s to be closed simultaneously.  
scan(1!2!2), @gp(3),  
matrix(1!3!3),  
scan(1!1!1))  
initiate:immediate  
*OPC  
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Command Descriptions  
STATus  
Command Syntax  
STATus  
:OPERation  
:CONDition?  
*RST Value  
Limits  
0
N/A  
N/A  
Related Commands  
Description  
This query returns the contents of the SCPI Status Operation Condition register.  
For the Option 01, the value of this register is always equal to 0.  
Examples  
Command  
Response  
status:operation:  
condition?  
00000  
Command Syntax  
Query Syntax  
STATus  
:OPERation  
:ENABle  
STATus:  
OPERation  
:ENABle?  
*RST Value  
Limits  
0
N/A  
N/A  
Related Commands  
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Command Descriptions  
Description  
This command sets the contents of the SCPI Status Operation Event Enable  
register.  
Command  
Response  
Examples  
status:operation:  
enable 1  
No response  
stat:oper:enab?  
00001  
Command Syntax  
STATus  
:OPERation  
[:EVENt?]  
*RST Value  
Limits  
0
N/A  
N/A  
Related Commands  
Description  
This query returns the contents of the SCPI Status Operation Event register. For  
the Option 01, the value of this register is always equal to 0.  
Command  
Response  
Examples  
status:operation:  
event?  
00000  
Command Syntax  
STATus  
:QUEStionable  
:CONDition?  
*RST Value  
Limits  
0
N/A  
N/A  
Related Commands  
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Command Descriptions  
Description  
Examples  
This query returns the contents of the SCPI Status Questionable Condition  
register. For the Option 01, the value of this register is always equal to 0.  
Command  
Response  
status:questionable:  
condition?  
00000  
Command Syntax  
Query Syntax  
STATus  
:QUEStionable  
:ENABle  
STATus  
:QUEStionable  
:ENABle?  
Query Response  
*RST Value  
Indicates whether the Status Operation Event is enabled.  
0
Limits  
N/A  
N/A  
Related Commands  
Description  
This command sets the contents of the SCPI Status Operation Event Enable  
register.  
Command  
Response  
Examples  
status:questionable:  
enable 1  
No response  
stat:ques:enab?  
00001  
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Command Descriptions  
Command Syntax  
STATus  
:QUEStionable  
[:EVENt?]  
*RST Value  
Limits  
0
N/A  
N/A  
Related Commands  
Description  
This query returns the contents of the SCPI Status Questionable Event register.  
For the Option 01, the value of this register is always equal to 0.  
Command  
Response  
Examples  
status:questionable:  
event?  
00000  
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Command Descriptions  
SYSTem  
Command Syntax  
SYSTem  
:ERRor?  
Query Response  
Parameter “y” in these error messages represents the local bus address of the  
module that the error message applies to. A value of 1 indicates the module  
containing the Option 01 daughter board, a value of 2 indicates the module in the  
next slot to the right, and so on.  
0,“No error”  
–102, “Syntax error; 1 dimensional <channel_spec> invalid for VX4380  
module”  
–102, “Syntax error; 2 dimensional <channel_spec> invalid for VX4350  
module”  
–102, “Syntax error; 3 dimensional <channel_spec> invalid for VX43xx  
module”  
–102, “Syntax error; channel dimension mismatch”  
–102, “Syntax error; integer field greater than 10 characters”  
–102, “Syntax error; Missing module name”  
–102, “Syntax error; Module address not specified”  
–102, “Syntax error; Module name already defined”  
–102, “Syntax error; Module name length greater than 12 characters”  
–102, “Syntax error; Non-contiguous section numbers”  
–102, “Syntax error; ROUTe:CONFigure command invalid for VX43xx module”  
–102, “Syntax error; ROUTe:DISJoin command invalid for VX43xx module”  
–102, “Syntax error; ROUTe:JOIN command invalid for VX43xx module”  
–102, “Syntax error; ROUTe:MODE command invalid for VX43xx module”  
–102, “Syntax error; Undefined module name”  
–102, “Syntax error; Unexpected x detected while ...”  
–121, “Invalid character in number”  
–123, “Exponent too large”  
3–45  
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Command Descriptions  
–200, “Execution error; Reserved”  
–200, “Execution error; Scan list undefined”  
–211, “Trigger ignored”  
–213, “Init ignored”  
–222, “Data out of range; Channel number x on module y”  
–222, “Data out of range; Channel number x!x on module y”  
–222, “Data out of range; Channel number x!x!x on module y”  
–222, “Data out of range; Invalid module address specified”  
–222, “Data out of range; Invalid section number”  
–222, “Data out of range; Invalid sequence count”  
–222, “Data out of range; Invalid trigger delay”  
–222, “Data out of range; Invalid VXI TTL Trigger level”  
–222, “Data out of range; Maximum value for ESE command is 255”  
–222, “Data out of range; Maximum value for SRE command is 255”  
–222, “Data out of range; Invalid dwell time specified.”  
–223, “Too much data; Channel list array overflow”  
–223, “Too much data; Input buffer overflow”  
–223, “Too much data; Output buffer full”  
–223, “Too much data; Scan list array overflow”  
–240, “Hardware error; Shift register verification error – module y”  
–240, “Hardware error; Unrecognized module x, y”  
–350, “Queue overflow; Error/event queue”  
–350, “Queue overflow; Output queue”  
*RST Value  
The Error/Event queue is empty.  
N/A  
Limits  
Related Commands  
*ESR?,  
*STB?  
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Command Descriptions  
Description  
If an error condition is detected by the Option 01, it places an error message  
describing the condition in the error/event queue. The SYSTem:ERRor? query  
requests the Option 01 to remove the oldest message in the error/event queue and  
place it into the output queue. If the error/event queue is empty, a “No error”  
message is placed in the output queue.  
Command  
Response  
Examples  
SYSTEM:ERROR?  
syst:err?  
0, “No error”  
–222, “Data out of range; Invalid section number”  
Command Syntax  
SYSTem:  
PRESet  
Query Syntax  
*RST Value  
N/A  
N/A  
Limits  
N/A  
Related Commands  
Description  
ROUTe:OPEN:ALL  
All relays on all modules (except VX4320 Modules) are set to the open position.  
The PON bit of the Standard Event Status register is not affected by this  
command.  
Examples  
Command  
Response  
system:preset  
syst:pres  
No response  
No response  
Command Syntax  
SYSTem  
:VERSion?  
*RST Value  
Limits  
N/A  
N/A  
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Command Descriptions  
Related Commands  
Description  
None  
This query returns the following ASCII string in the output queue:  
“1994.0”  
Command  
Response  
“1994.0”  
“1994.0”  
Examples  
system:version?  
syst:vers?  
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Command Descriptions  
TRIGger  
Command Syntax  
TRIGger  
[:SEQuence]  
:COUNt  
Query Syntax  
*RST Value  
N/A  
1
Limits  
The count specified in this command must be between 1 and 65535.  
Related Commands  
ABORt, ROUTe:SCAN  
INITiate:IMMediate  
TRIGger[:SEQuence]:SOURce]  
TRIGger[:SEQuence]:IMMediate]  
TRIGger[:SEQuence]:DELay]  
Description  
Examples  
This command specifies the number of times to sequence through an entire scan  
sequence.  
Define a scan sequence consisting of relays 1 and 2 on relay module “m1” and  
relays 1 through 64 on module “m2”.  
Command  
Response  
trigger:sequence:count Define the number of times to sequence through the scan list  
2
before setting the state of the trigger subsystem back to the  
idle state.  
trigger:sequence:  
source immediate  
Sequence through the scan list without waiting for a trigger  
event after an INITiate[:Immediate] command is received.  
initiate:immediate  
Initiate the scan sequence. Sequence through the entire scan  
list two times.  
Command Syntax  
TRIGger  
[:SEQuence]  
:DELay  
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Command Descriptions  
Query Syntax  
N/A  
*RST Value  
Limits  
0
The time specified in this command must be between 0.001 and 6.5535 seconds.  
Related Commands  
ABORt, ROUTe:SCAN  
TRIGger[:SEQuence]:SOURce  
TRIGger[:SEQuence]:IMMediate  
Description  
Examples  
This command specifies the time to wait after a trigger event is detected before  
sequencing to the next channel in a scan list.  
Command  
Response  
route:scan  
(@m1(1,2),m2(1:64))  
Define a scan sequence consisting of relays 1 and 2 on relay  
module “m1” and relays 1 through 64 on module “m2”.  
trigger:sequence:  
count 2  
Define the number of times to sequence through the scan list  
before setting the state of the trigger subsystem back to the  
idle state.  
trigger:sequence:  
delay 0.5  
Wait 0.5 seconds after a trigger event is detected before  
opening the current relay in a scan list and closing the next  
relay in the list.  
trigger:sequence:  
source ttltrg2  
Sequence to the next relay in a scan list when VXI TTL trigger  
2 is asserted.  
initiate:immediate  
Initiate the scan sequence. Sequence through the entire scan  
list two times. Wait 0.5 seconds after VXI TTL trigger 2 is  
asserted before sequencing to the next relay in the list.  
Command Syntax  
TRIGger  
[:SEQuence]  
:IMMediate  
Query Syntax  
*RST Value  
Limits  
N/A  
N/A  
N/A  
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Command Descriptions  
Related Commands  
ABORt, ROUTe:SCAN  
TRIGger[:SEQuence]:SOURce  
TRIGger[:SEQuence]:COUNt  
TRIGger[:SEQuence]:DELay  
Description  
Examples  
Sequence to the next relay in an initiated scan list without waiting for a trigger  
event and without waiting the time specified in a TRIGger[:SEQuence]:DELay  
command.  
Command  
Response  
route:scan  
(@m1(1,2),m2(1:64))  
Define a scan sequence consisting of relays 1 and 2 on relay  
module “m1” and relays 1 through 64 on module “m2”.  
trigger:sequence:  
count 2  
Define the number of times to sequence through the scan list  
before setting the state of the trigger subsystem back to the  
idle state.  
trigger:sequence:  
delay 0.5  
Wait 0.5 seconds after a trigger event is detected before  
opening the current relay in a scan list and closing the next  
relay in the list.  
trigger:sequence:  
source ttltrg2  
Sequence to the next relay in a scan list when VXI TTL trigger  
2 is asserted.  
initiate:immediate  
Initiate the scan sequence. Sequence through the entire scan  
list 2 times. Wait 0.5 seconds after VXI TTL trigger 2 is  
asserted before sequencing to the next relay in the list.  
trigger:sequence:  
immediate  
Sequence to the next relay in the scan list without waiting for  
VXI TTL trigger 2 to be asserted. Do not wait 0.5 seconds to  
sequence to the next relay.  
Command Syntax  
TRIGger  
[:SEQuence]  
:SOURce BUS | HOLD | IMMediate | TTLTrg<n>  
Query Syntax  
*RST Value  
N/A  
IMMediate  
Limits  
N/A  
Related Commands  
ABORt, ROUTe:SCAN  
TRIGger[:SEQuence]:[SOURce]  
TRIGger[:SEQuence]:[IMMediate]  
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Command Descriptions  
TRIGger[:SEQuence]:COUNt  
TRIGger[:SEQuence]:DELay  
Description  
This command selects a trigger source. When a trigger event is detected from an  
enabled trigger source, the next relay in an initiated scan sequence is closed after  
the current closed relay is opened.  
The action of opening the currently closed relay and closing the next relay in a  
scan list is called sequencing the scan list.  
Specifying BUS in the TRIGger[:SEQuence]:SOURce command enables a  
IEEE488.1 Group Execute Trigger command to sequence the scan list.  
It is assumed that the commander of the Option 01 is a IEEE488 talker/listener  
and that this device converts a IEEE488.1 GET command to a VXI Trigger  
command.  
Specifying HOLD in the TRIGger[:SEQuence]:SOURce command disables all  
trigger sources except the TRIGger[:SEQuence}[:IMMediate] comand.  
Specifying IMMediate in the TRIGger[:SEQuence]:SOURce command causes  
the Option 01 to sequence through the scan list without waiting for a trigger  
event.  
Specifying TTLTrg<n> in the TRIGger[:SEQuence]:SOURce command enables  
one of eight VXI TTL triggers to act as a trigger source. <n> is a single digit  
between 0 and 7.  
Command  
Response  
Examples  
route:scan  
(@m1(1,2),m2(1:64))  
Define a scan sequence consisting of relays 1 and 2 on relay  
module “m1” and relays 1 through 64 on module “m2”.  
trigger:sequence:  
count 2  
Define the number of times to sequence through the scan list  
before setting the state of the trigger subsystem back to the  
idle state.  
trigger:sequence:  
source:immediate  
Sequence through the scan list without waiting for a trigger  
event after an INITiate[:Immediate] command is received.  
initiate:immediate  
Initiate the scan sequence. Sequence through the entire scan  
list two times.  
3–52  
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IEEE-488.2 Common Commands  
This section lists the IEEE-488.2 common commands and queries recognized by  
the VX4380.  
*CLS  
Clear Status. This commands clears the following:  
Event Status register (ESR)  
Error/Event queue  
Output queue  
*ESE <NRf>  
Event Status Enable (ESE) command. This command defines the mask for  
setting the Event Status Summary bit (bit 5) in the Status Byte register (*STB?).  
The mask is logically ANDed with the Event Status register (*ESR?) to  
determine whether or not to set the Event Status Summary bit. The mask can be  
any numeric value from 0 to 255, corresponding to the encoded bits of the ESR  
register. A “1” in a bit position enables reporting of the function. A “0” disables  
it. The *ESE register is cleared at power-on, or by writing an *ESE 0 command  
only. If <mask> is not specified, it defaults to 0.  
For example, the command *ESE 37 (hexadecimal 25, binary 00010101) enables  
setting the Event Status Summary bit whenever an operation is complete, a query  
error is detected, or an execution error is detected.  
*ESE?  
*ESR?  
Event Status Enable (ESE) query. This command returns the value of the Event  
Status Enable register as a numeric value from 0 to 255. For example, a value of  
32 (hexadecimal 40, binary 00100000) indicates that command error reporting is  
enabled.  
Event Status Register (ESR) query. This command returns the value of the Event  
Status register. The *ESR command is destructively read (that is, read and  
cleared). The Event Status Summary bit in the Status Byte (*STB?) is also  
cleared by a read of the ESR. The ESR is set to 128 on power-on (bit 7) set. It is  
3–53  
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IEEE-488.2 Common Commands  
cleared by an *ESR? or *CLS command only. When converted to a binary  
number, the bits of the ESR correspond to:  
bit 0 (LSB)  
Operation Complete  
Request Control  
Query error  
1
2
3
4
5
6
Device Dependent error  
Execution error  
Command error  
User Request  
7 (MSB)  
Power On  
The Error bits are set whenever the module detects an error. The error values  
from –100 to –199 are Command errors. Error values from –200 to –299 are  
Execution errors. Error values from –300 to –399 are Device Dependent errors.  
Error values from –400 to –499 are Query errors (see the SYSTem:ERRor  
command description).  
The Request Control and User Request bits are unused, and are always reported  
as zeroes.  
The Operation Complete bit is set in response to an *OPC command. A 1  
indicates that the module has completed all pending commands and queries.  
*IDN?  
Identification query; This returns a 4-field response. Field 1 is the manufacturer,  
field 2 the model, field 3 the serial number, and field 4 contains both the SCPI  
and the firmware version levels. For the VX4380, the serial number field is  
always a 0. The response syntax is:  
TEKTRONIX,VX43xx,0,SCPI:94.0 FW1.1<LF>  
where xx indicates the model number of the relay module that the Option 01 is  
installed on:  
Value of xx  
Model Number  
VX4320  
20  
30  
50  
80  
VX4330  
VX4350  
VX4380  
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IEEE-488.2 Common Commands  
*OPC  
Operation Complete. This command causes the module to set the Operation  
Complete bit in the Event Status register (ESR) when all pending commands and  
queries are complete.  
*OPC?  
Operation Complete query. This command causes the module to place a “1” in  
the Output queue when all pending commands and queries are complete. All  
commands following *OPC are suspended until the pending operations are  
complete. The *OPC? command does not affect the OPC bit in the Event Status  
register.  
*RST  
Reset. This command causes the Option 01 to open all relays on all modules  
under its control. This command sets the Option 01 Module to its power-on state  
with the following exceptions: the Error/Event queue, Output queue, Standard  
Event Status Enable register, SCPI Status Operation Event Enable register and  
SCPI Status Questionable Event Enable register are not cleared.  
The condition of the Option 01 daughter board and the switching modules that it  
controls after receipt of a *RST command is as follows:  
Contents of the SCPI Status Operation Event register = 0  
Contents of the SCPI Status Operation Condition register = 0  
Contents of the SCPI Status Questionable Event register = 0  
Contents of the SCPI Status Questionable Condition register = 0  
All VXI TTL triggers are disabled  
Trigger subsystem is in the idle state  
Trigger source = IMMediate  
Number of times to sequence through an entire scan list = 1  
Time in seconds to wait after a trigger event is detected before sequencing to  
the Next relay in a scan list = 0  
All relays on all modules are set to the open position  
No scan list is defined  
Default module names are assigned as follows:  
The module that has a Option 01 VXI Interface daughter board installed  
is assigned module name “M1”.  
Modules without the Option 01 VXI Interface daughter board in  
consecutive slots to the right of module “M1” are assigned module  
names “M2”, “M3”, ..., “M11”.  
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IEEE-488.2 Common Commands  
All sections on all scanner modules are disjoined  
All sections of all VX4330 Modules are set to operate in the mux mode  
Close dwell time of all modules is set to 0 seconds  
Open dwell time of all modules is set to 0 seconds  
All relays on all modules are opened when power is removed from the VXI  
chassis  
*SRE <mask>  
Service Request Enable (SRE) register. This command defines a mask that is  
ANDed with the contents of the Status Byte register. If the result of this  
operation is non-zero, the Option 01 generates a VXI Request True interrupt.  
Bits 0, 1, 3, 6, and 7 of the SRE register are not used. Bits 2, 4, and 5 are set to  
enable VXI Request True interrupts to be generated under the conditions listed in  
the following table.  
Bit No.  
Meaning  
bit0 (LSB)  
Not used  
1
2
3
4
5
Not used  
The Error/Event queue contains one or more error messages  
Not used  
The Output queue contains one or more query responses  
The contents of the Standard Event Status register ANDed with the  
contents of the Standard Event Status Enable register produces a  
non-zero result.  
6
7
Not used  
Not used  
*SRE?  
Service Request Enable (SRE) query. This command returns the value of the  
Service Request Enable register as a numeric value from 0 to 255. Bit 6 is  
unused, and is reported as zero.  
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IEEE-488.2 Common Commands  
*STB?  
Status Byte Query. This query returns the value of the Status Byte register as a  
numeric value between 0 and 255. The Status Byte register contents (with the  
exception of bit 6) are also returned in response to a VXI Read STB command.  
Bit 6 is read destructively in response to a VXI Read STB command. Bit 6 is not  
read destructively is response to a *STB? query. The Status Byte register is  
encoded as follows:  
Bit No.  
bit 0 (lsb)  
bit 1  
Meaning  
Not used  
Not used  
bit 2  
Set when the Error/Event queue contains one or more error messages.  
Not used  
bit 3  
bit 4  
Set when the Output buffer contains one or more query responses.  
bit 5  
Set when the contents of the Standard Event Status register ANDed  
with the contents of the Standard Event Status Enable register  
produces a non-zero result.  
bit 6  
Set when the contents of bits 0 through 5 and bit 7 of the Status Byte  
register ANDed with the contents of the Service Request Enable  
register produce a non-zero result.  
If bit 6 becomes set, the Option 01 will generate a VXI Request True  
interrupt on the VME interrupt level selected by its interrupt level select  
switch. If bit 6 becomes set and the Status Byte register is read using a  
VXI Read STB command, bit 6 will be reported as being set. In  
response to subsequent VXI Read STB commands, bit 6 will be  
reported as being cleared.  
If bit 6 becomes set and the Status Byte register is read using a *STB?  
query, bit 6 will be reported as being set. Bit 6 will continue to be  
reported as set in reponse to *STB queries until the contents of bits 0  
through 5 and bit 7 of the Status Byte register ANDed with the contents  
of the Service Request Enable register is equal to 0.  
bit 7  
Not used.  
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IEEE-488.2 Common Commands  
*TRG  
Trigger Command. This command is equivalent to a VXI Trigger command.  
This command is valid only after the following commands have been received  
by the Option 01:  
Command  
Description  
[ROUTe:]SCAN  
<channel_list>  
Define a scan list  
TRIGger  
[:SEQuence]  
:SOURce BUS  
Select a VXI Trigger command as a trigger source.  
INITiate[:IMMediate]  
Initiate the scan list. This command places the trigger  
subsystem in the “ARM” state. The trigger subsystem remains  
in this state until the Option 01 has sequenced through the  
entire scan list “n” times, where “n” has been previously  
specified in a TRIGger[:SEQuence]:COUNT command. The  
trigger subsystem then returns to the IDLE state. The trigger  
subsystem also returns to the IDLE state if an ABORt  
command is received by the Option 01.  
After these commands have been issued, a *TRG command will cause the  
Option 01 to take the following actions:  
Generate a trigger delay that has previously been specified in a TRIGger  
[:SEQuence]:DELay command.  
Open the currently closed channel.  
Generate the open delay that has previously been specified in a  
[ROUTe:]OPEN:DWELl command.  
Close the next channel in the scan list.  
Generate the close delay that has previously been specified in a  
[ROUTe:]CLOSe:DWELl.  
Pulse one or more VXI TTL trigger signals that have been enabled by a  
previously issued OUTPut:TTLTRG<n>[:STATe] ON command.  
If the module containing the channel is a scanner module, pulse the  
appropriate front panel encode signal.  
If another *TRG command is received before this sequence is complete, a SCPI  
–211,“Trigger ignored” error message will be placed in the Error/Event queue.  
The *TRG command will continue to have this effect until the trigger subsystem  
is placed in the IDLE state. If additional *TRG commands are recieved after the  
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IEEE-488.2 Common Commands  
trigger system is placed in the IDLE state, the Option 01 will place a SCPI  
–211,“Trigger Ignored” error message in the Error/Event queue.  
The IEEE-488.2 Specification equates the *TRG command with an IEEE-488.1  
Group Execute Trigger (GET) command. IEEE-488-to-VXI interface modules  
typically convert IEEE-488.1 GET commands to VXI Trigger commands. For  
this reason, the Option 01 equates the *TRG command with a VXI Trigger  
command.  
*TST?  
Self Test query. In response to this query, the Option 01 performs a self test of  
each of the switching modules under its control. During self test, the Option 01  
verifies that it can properly control the relay drive circuitry of each switching  
module under its control. After the self test is complete, each module is restored  
to its pretest state. If all modules pass self test, an ASCII “0” is placed in the  
Output buffer. If one or more modules fail the self test, an ASCII “1” is placed in  
the Output buffer and error message(s) describing the failure are queued in the  
Error/Event queue. Issue a SYSTem:ERRor? query to read these error messages.  
*WAI  
Wait to Continue. This command causes the module to wait until all pending  
commands and queries are complete. All commands following *WAI are  
suspended until the pending operations are complete.  
3–59  
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IEEE-488.2 Common Commands  
3–60  
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Status and Events  
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Status and Events  
The Status and Event Reporting System reports asynchronous events and errors  
that occur in the VX4380 256-Crosspoint Relay Matrix Module. This system  
consists of four 8-bit registers and two queues that you access through the  
command language. You can use these registers and queues to query the  
instrument status and control the interrupts that report events.  
In general, after an interrupt occurs, first conduct a serial poll, query the registers  
to see why the interrupt occurred, and then send the SYSTem:ERRor? query to  
see a descriptive error message.  
This section describes the four registers and two queues of the Status and Event  
Reporting system. For each register, you are given a description, a table  
describing all of the bits, and an example of how to use the register.  
The Status and Event Reporting process, synchronizing programming com-  
mands, and the system messages are also described in this section.  
Status and Event Reporting System  
The Status and Event Reporting system monitors and reports such events as an  
error occurring or the availability of a response to a query. This system includes  
descriptions of the following registers and queues:  
H
H
H
H
H
H
Status Byte Register  
Service Request Enable Register  
Standard Event Status Register  
Event Status Enable Register  
Output queue  
System Error and Event queue  
Status Byte Register  
The Status Byte Register, shown in Table 4–1, summarizes information from  
other registers. Use a serial poll or a *STB? query to read the contents of the  
Status Byte Register. The response is the sum of the decimal values for all bits  
set. When you use a serial poll, bit 6 shows Request Service information. When  
you use the *STB? query, bit 6, the Master Status Summary bit, indicates that  
bits 5, 4, or 2 may be set.  
4–1  
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Status and Events  
Table 4–1: The Status Byte Register  
Decimal  
Value  
Bit  
0–1  
2
Function  
–
4
Not used.  
Error/Event queue Not Empty indicates that information is  
contained in the Error/Event queue and is waiting to be read.  
3
4
–
Not used.  
16  
Message Available shows that output is available in the Output  
queue.  
5
6
32  
64  
Event Status Bit indicates that one or more events have occurred  
and the corresponding bits in the Standard Event Status Register  
have been set.  
Request Service (obtained from a serial poll) shows that the  
VX4380 has requested service from the GPIB controller.  
Master Status Summary (obtained from *STB? query) summarizes  
the Event Status bit, Message Available bits, and Error/Event  
queue Not Empty bits in the Status Byte Register.  
7
–
Not used.  
A common example of using the Status Byte register is to enable the Message  
Available bit. This is done by sending an *SRE 16 command to the Option 01  
VXI Interface Module. If the *STB? query returns a value of 80, bit 4 (decimal  
value of 16) and bit 6 (decimal value of 64) have been set (giving a decimal sum  
of 80). Bit 4 indicates that a message is available in the output queue. Bit 6  
indicates that a bit in the Status Byte register that has been enabled by setting the  
corresponding bit in the Service Request Enable register (in this case bit 4) has  
been set.  
Service Request Enable  
Register  
The Service Request Enable Register, shown in Table 4–2, controls which bits in  
the Status Byte Register will generate a service request. Use the *SRE command  
to set bits in the Service Request Enable Register. Use the *SRE? query to see  
which bits in this register are enabled. The response from this query is the sum  
of the decimal values for all bits set.  
Table 4–2: The Service Request Enable Register  
Decimal  
Value  
Bit  
0–1  
2
Function  
–
4
Not used  
Error/Event queue Bit indicates that a service request will be  
generated when a message is placed in the Error/Event queue.  
4–2  
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Status and Events  
Table 4–2: The Service Request Enable Register (Cont.)  
Decimal  
Value  
Bit  
Function  
3
8
Not used  
4
16  
Message Available Bit indicates that a service request will be  
generated when a message is placed in the Output queue.  
5
32  
–
Event Status Bit indicates that events summarized in bit 5 of the  
Status Byte Register will generate a service request.  
6–7  
Not used  
If, for example, the *SRE? query returns a value of 48, bits 4 and 5 are set in the  
Service Request Enable Register. Any event that causes the Message Available  
bit (bit 4) or Event Status bit (bit 5) to be set in the Status Byte Register now  
generates an interrupt. If you want an interrupt to be generated only when the  
Event Status bit (bit 5) is set, use the *SRE 32 command.  
Standard Event Status  
Register  
The Standard Event Status Register, shown in Table 4–3, records many types of  
events that can occur in the VX4380. Use the *ESR? query to read the contents  
of this register. The response is the sum of the decimal values for all bits set.  
Reading this register clears all bits so the register can accumulate information  
about new events.  
Table 4–3: The Standard Event Status Register  
Decimal  
Value  
Bit  
Function  
0
1
Operation Complete shows that the operation is complete. This bit  
is set when all pending operations complete following a *OPC  
command.  
1
2
3
4
–
Not used  
4
Query Error shows that data in the Output queue was lost.  
8
Not used  
16  
Execution Error shows that an error occurred while the VX4380  
was executing a command or query. Table 4–6 on page 4–7 lists  
the execution error messages.  
5
32  
Command Error shows that an error occurred while the VX4380  
was parsing a command or query. Table 4–5 on page 4–7 lists the  
command error messages.  
6
7
–
Not used  
128  
Power On shows that the VX4380 was powered on.  
4–3  
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Status and Events  
The following example assumes that all bits have been enabled using the Event  
Status Enable Register (see the next section for information about this register).  
If a *ESR? query returns a value of 128, bit 7 (decimal value of 128) is set  
indicating that the instrument is in the initial power-on state.  
Event Status Enable  
The Event Status Enable Register, shown in Table 4–4, controls which events are  
summarized in the Event Status bit (bit 5) of the Status Byte Register. Use the  
*ESE command to set bits in the Event Status Enable Register. Use the *ESE?  
query to see what bits in the Event Status Enable Register are set. The response  
from this query is the sum of the decimal values for all bits summarized in the  
event status bit of the Status Byte Register.  
Register  
Table 4–4: The Event Status Enable Register  
Decimal  
Value  
Bit  
Function  
0
1
Set bit 5 of the Status Byte register when bit 1 (the Operation  
Complete bit) of the Standard Event Status register is set.  
1
2
2
4
Not used  
Set bit 5 of the Status Byte register when bit 2 (the Query Error bit )  
of the Standard Event Status register is set.  
3
4
8
Not used  
16  
Set bit 5 of the Status Byte register when bit 4 (the Execution Error  
bit) of the Standard Event Status register is set.  
5
32  
Set bit 5 of the Status Byte register when bit 5 (the Command Error  
bit) of the Standard Event Status register is set.  
6
7
64  
Not used  
128  
Set bit 5 of the Status Byte register when bit 7 (the Power On bit) of  
the Standard Event Status register is set.  
If, for example, the *ESE? query returns a value of 255, all bits are set,  
indicating that all events will set the event status bit (bit 5) of the Status Byte  
Register.  
The Output Queue  
The VX4380 stores query responses in the Output queue.  
The System Error and  
Event Queue  
The VX4380 error and event messages are stored in the System Error and Event  
queue. Use the SYSTem:ERRor? query to get the event number and a text  
description of the event. Reading an event removes it from the queue. The Event  
queue stores detailed information for up to 10 events; the events are stored in  
first-in first-out order.  
4–4  
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Status and Events  
Status and Event Reporting Process  
Figure 4–1 shows how to use the Status and Event Reporting system. In the  
explanation that follows, numbers in parentheses refer to the circled numbers in  
Figure 4–1.  
1
7
6
6
5
4
3
3
2
1
1
0
Standard Event Status  
register  
Power  
On  
—
—
Command Execution  
Error Error  
Query  
—
—
Operation  
—
Event  
queue  
Event  
Event  
Event  
Error  
Complete  
Read using *ESR?  
2
Event Status Enable  
register  
Read using *ESE?  
Write using *ESE  
7
5
4
2
0
Power  
On  
Command Execution  
Query  
Operation  
—
Output  
queue  
Byte  
Byte  
Byte  
Error  
Error  
Error  
Complete  
4
3
1
6
Request  
Service  
7
5
4
3
—
2
1
—
0
—
Status Byte  
register  
Read using *STB?  
—
Event  
Message  
queue Not  
Empty  
Status Bit Available  
6
Master  
Status  
6
5
Service Request Enable  
register  
7
6
5
4
3
2
1
0
—
—
Event  
Message  
—
—
—
—
Read using *SRE?  
Write using *SRE  
Status Bit Available  
Figure 4–1: Status and Event Reporting Process  
When an event occurs the appropriate bit in the Standard Event Status Register is  
set to one and the event is recorded in the Event queue (1). If the corresponding  
bit in the Event Status Enable Register is also enabled (2), then the event status  
bit in the Status Byte Register is set to one (3).  
4–5  
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Status and Events  
When output is sent to the Output queue (for example, a response to a query), the  
message available bit in the Status Byte Register is set to one (4).  
When a bit in the Status Byte Register is set to one and the corresponding bit in  
the Service Request Enable Register is enabled (5), the master status summary  
bit in the Status Byte Register is set to one and a service request is generated (6).  
Messages  
The VX4380 generates error messages in response to events caused by com-  
mands or queries. Each type of event sets a specific bit in the Standard Event  
Status Register. Thus, each message is associated with a specific Standard Event  
Status Register bit. In the message tables that follow, the associated Standard  
Event Status Register bit is specified in the table title. Not shown in the tables  
are secondary messages giving more detail about the cause of the error or the  
meaning of the message. These secondary messages are shown for each  
command and query in Syntax and Commands.  
Table 4–5 shows the error messages generated by improper command syntax.  
Check to see that the command is properly formatted and that it follows the rules  
in Syntax and Commands.  
Table 4–5: Command Error Messages (Bit 5 in Standard Event Status  
Register)  
Code  
–102  
–102  
–102  
–102  
–102  
Message  
Syntax error; 2 dimensional <channel_spec> invalid for VX4350 module  
Syntax error; 3 dimensional <channel_spec> invalid for VX43xx module  
Syntax error; channel dimension mismatch  
Syntax error; integer field greater than 10 characters  
Syntax error; Missing module name  
Syntax error; Module name already defined  
–102  
–102  
–102  
–102  
–102  
–102  
–102  
–102  
–102  
Syntax error; Module name already defined  
Syntax error; Module name length greater than 12 characters  
Syntax error; Non-contiguous section numbers  
Syntax error; ROUTe:CONFigure command invalid for VX43xx module  
Syntax error; ROUTe:DISJoin command invalid for VX43xx module  
Syntax error; ROUTe:JOIN command invalid for VX43xx module  
Syntax error; ROUTe:MODE command invalid for VX43xx module  
Syntax error; Undefined module name  
Syntax error; Unexpected x detected while ...  
4–6  
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Status and Events  
Table 4–5: Command Error Messages (Bit 5 in Standard Event Status  
Register) (Cont.)  
Code  
–121  
–123  
Message  
Invalid character in number  
Exponent too large  
Table 4–6 lists the execution error messages that can occur during execution of a  
command. Parameter y in these error messages represents the local bus address  
of the module that the error message applies to. A value of 1 indicates the  
module containing the Option 01 daughter board, a value of 2 the module in the  
next slot to the right, and so on.  
Table 4–6: Execution Error Messages (Bit 4 in Standard Event Status  
Register)  
Code  
–200  
–200  
–211  
–213  
–222  
–222  
–222  
–222  
–222  
–222  
–222  
–222  
–222  
–222  
–222  
–223  
–223  
–223  
–223  
–240  
–241  
Message  
Execution error; Reserved  
Execution error; scan list undefined  
Trigger ignored  
Init ignored  
Data out of range; Channel number x on module y  
Data out of range; Channel number x!x on module y  
Data out of range; Channel number x!x!x on module y  
Data out of range; Invalid module address specified  
Data out of range; Invalid section number  
Data out of range; invalid sequence count  
Data out of range; invalid trigger delay  
Data out of range; Invalid VXI TTL Trigger level  
Data out of range; Maximum value for ESE command is 255  
Data out of range; Maximum value for SRE command is 255  
Data out of range; invalid dwell time specified.  
Too much data; channel list array overflow  
Too much data; Input buffer overflow  
Too much data; Output buffer full  
Too much data; scan list array overflow  
Hardware error; shift register verification error – module m  
Hardware error; Unrecognized module d, d  
4–7  
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Status and Events  
Table 4–7 lists the device dependent error messages that can occur during  
VX4380 operation.  
Table 4–7: Device Dependent Error Messages (Bit 3 in Standard Event Status  
Register)  
Code  
–350  
–350  
Message  
Queue overflow; error/event queue  
Queue overflow; output queue  
4–8  
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Appendices  
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Appendix A: Specifications  
Table A–1: VXI Instrument Characteristics  
Characteristics  
Description  
VXI General Characteristics  
The instrument provides a VXI interface that complies with Revision 1.4.  
The VXI interface is defined by the VXI Consortium, Inc.  
Message Based (1.4)  
Interface Type  
Protocols  
Word Serial (WSP)  
TTL Outputs  
VXI TTLTRG* Lines TTLTRG0* through TTLTRG7* under program control.  
Product Compliance to Regulations  
(VX4320, VX4330, VX4350, VX4380 only)  
Product Safety  
UL listed UL 3111–1  
UL listed CAN/CSA C22.2 NO.1010–1  
UL classified to IEC–1010–1.  
IEC Characteristics  
EMC  
Overvoltage Category:  
Safety:  
CAT l  
Class l  
Per EC Council Directive 89/336 EEC (EC–92), the following standards and limits  
apply to the requirements for equipment to be used in residential, commercial, and  
light industrial environments. They are specified in EN–50081–1, the Generic  
Emission Standard, and in EN 50082–1, the Generic Immunity Standard. For  
equipment that is also intended to be used in industrial environments, the standards  
and limits specified in EN 50081–2 and EN 50082–2 should be used in addition.  
Emissions  
Emissions shall be within the limits specified by the following requirements:  
Enclosure:  
AC Mains:  
EN 55011 Class A limit for radiated emissions.  
EN 55011 Class A limit for radiated emissions.  
EN 60555–2: Power line harmonics  
Immunity, Enclosure, Radio Frequen- No state change when the instrument is subjected to a 3 V/M electromagnetic field  
cy Electromagnetic Field; IEC 801–3 over the frequency range of 27 MHz to 500 MHz.  
Immunity, Enclosure, Electrostatic  
Discharge (ESD); IEC 801–2  
Up to 8 kV with no loss of stored data, change to control settings, degradation of  
performance, or temporary loss of function. No state change.  
Immunity, Fast Transients, Common No loss of stored data, change to control settings, degradation of performance, or  
Mode; IEC 801–4  
temporary loss of function will occur when the instrument is subjected to the transients  
as described below.  
Port  
Peak Voltage – kV Tr/Th – ns  
Rep. Freq. – kHz  
Signal & control  
AC Power  
0.5  
1
5/50  
5/50  
5
5
A–1  
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Appendix A: Specifications  
Table A–1: VXI Instrument Characteristics  
Characteristics  
Description  
EN 55011, Class A  
The instrument complies with the requirements of EN 55011 for radiated, conducted,  
and magnetic emissions, when installed in a suitable VXI chassis. A suitable VXI  
chassis is defined as one which contains adequate EMC shielding which makes  
contact with the RF gasket on the front and rear shields of the VX43xx Module.  
FCC  
The instrument complies with the requirements of FCC CFR 47, Part 15, Subpart B,  
Class A for radiated and conducted emissions.  
Table A–2: Environmental/Reliability Characteristics  
Characteristics  
Temperature  
Operating  
Description  
Meets or exceeds MIL-T-28800E for Type III, 0 to 50_ C external ambient, when  
operated in a mainframe providing Class 3 equipment.  
Non-operating  
–40_ C to +71_ C  
Airflow of at least 1.57 liters/sec at 0.05 mm H O air pressure, –10_ C/55_ C for 10_  
2
C (or less) temperature rise of internal air, as measured at the cooling air exit points,  
and with no heat transfer either to or from any adjacent VXI modules.  
Humidity  
Operating  
Up to 95% at up to 30_ C, and up to 45%, at up to 50_ C.  
Up to 95%, at up to 50_ C.  
Non-operating  
Altitude (1) Operating  
Altitude (2)  
6,000 ft. altitude.  
Meets or exceeds MIL-T-28800E for Type III, (operating to 10,000 ft., non-operating  
to 15,000 ft.). Derate maximum operating temperature above TBD ft. by degree C per  
1000 ft.  
Table A–3: VX4380-Specific Characteristics  
Characteristics  
Description  
VME Interrupter Level  
VXI Logical Address  
VXI Dynamic Addressing  
Switch selectable to a level between 1 and 7.  
Switch selectable to a value between 0 and 254.  
Not supported.  
Contents of device/manufacturer dependent  
VXI registers.  
ID Register  
BFFD hexadecimal.  
Device Type  
Set according to the model number of the slave module that the interface is installed  
on as specified in the following table. (Convert the last 3 digits of the model number to  
hex, take the one’s complement, AND with F7FF.)  
A–2  
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Appendix A: Specifications  
Table A–3: VX4380-Specific Characteristics (Cont.)  
Characteristics  
Description  
Slave Module Model No.  
VX4320  
Register Contents (hexadecimal)  
F6BF  
F6B5  
F6A1  
F683  
VX4330  
VX4350  
VX4380  
VXI TTL Trigger Outputs  
VXI TTL Trigger Inputs  
One or more of the VXI TTLTRG* signals may be driven. All TTLTRG* outputs may be  
disabled.  
One of the VXI TTLTRG* signals may be selected to be polled or to act as an interrupt  
source to the module’s microprocessor.  
Configuration  
Current  
4 4 × 16 2-wire matrices  
Voltage  
+5 V Supply  
3.90 A  
Maximum Average Current  
Fused  
10 A  
Table A–4: Relay Switching Characteristics  
Characteristics  
Description  
Maximum Switching Voltages  
Terminals  
HI to LO  
DC  
AC/RMS  
250  
V Peak  
354  
220  
HI to Chassis  
LO to Chassis  
Terminals  
per channel  
per common  
Terminals  
per channel  
per common  
Loading  
250  
250  
354  
250  
250  
354  
Maximum Switching Current (non-inductive)  
Maximum Switching Power (non-inductive)  
Rated Switching Operations  
<30 VDC  
2 A  
<30 VAC/RMS  
2 A  
2 A  
2 A  
<220 VDC  
60 W  
60 W  
Operations  
<250 VAC/RMS  
125 VA  
125 VA  
8
No Load  
1 × 10  
5
30 VDC 2 A  
30 VDC 1 A  
125 VAC 1 A  
1 × 10  
5
2 × 10  
5
1 × 10  
A–3  
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Appendix A: Specifications  
Table A–5: Switching Channel Characteristics  
Characteristics  
Description  
Bandwidth (–3 dB) Characteristics – 50 W  
Circuit  
Bandwidth  
Balanced Source/Load  
1 crosspoint closed in a 4 × 16 matrix  
>15 MHz (>30 MHz typical)  
>15 MHz (>30 MHz typical)  
Crosstalk/Isolation  
< –80 dB  
1 crosspoint closed in a 16 × 16 matrix  
Channel to Channel Crosstalk/Open Channel  
Isolation  
Frequency/Isolation  
10 K  
100 kHz  
< –60 dB  
1 MHz  
< –40 dB  
Table A–6: Signal Path  
Characteristics  
Description  
Signal Path Thermal Offset  
Offset Voltage: <7 mV  
Condition  
Contact Resistance  
< 1.5 W  
Initial  
After Rated Operations  
< 3.5 W  
8
Insulation Resistance  
> 5 × 10 W @ +25_ C, 40% RH  
6
> 5 × 10 W @ +40_ C, 95% RH  
Table A–7: Cabling  
Characteristics  
Recommended Cable  
Cable kit  
Description  
VX1660 Analog Cable, 5 meters  
VX1630S 160-pin Connector Kit  
Table A–7: Power Distribution  
Characteristics  
Description  
+5 VDC Current  
3.90 A  
A–4  
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Appendix B: Input/Output Connections  
The front panel connector pinouts for the VX4380 are shown in the tables on the  
following pages.  
B–1  
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Appendix B: Input/Output Connections  
32  
Section 4  
17  
16  
Section 3  
1
32  
Section 2  
17  
16  
Section 1  
a b c d e  
1
Figure B–1: VX4380 Front Panel  
B–2  
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Appendix B: Input/Output Connections  
Table B–1: VX4380 Upper Connector (J401) Pinout  
Pin No.  
Sect.  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
Row1Lo  
Row1Hi  
Row2Lo  
Row2Hi  
Row3Lo  
Row3Hi  
Row4Lo  
Row4Hi  
Row4Hi  
Row4Lo  
Row3Hi  
Row3Lo  
Row2Hi  
Row2Lo  
Row1Hi  
Row1Lo  
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
16  
15  
14  
13  
12  
11  
10  
9
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
a
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
b
Row1Lo  
Row1Hi  
Row2Lo  
Row2Hi  
Row3Lo  
Row3Hi  
Row4Lo  
Row4Hi  
Row4Hi  
Row4Lo  
Row3Hi  
Row3Lo  
Row2Hi  
Row2Lo  
Row1Hi  
Row1Lo  
c
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
d
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
e
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
8
7
6
5
4
3
2
1
Pin  
B–3  
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Appendix B: Input/Output Connections  
Table B–2: VX4380 Lower Connector (J1201) Pinout  
Pin No.  
Sect.  
2
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
Row1Lo  
Row1Hi  
Row2Lo  
Row2Hi  
Row3Lo  
Row3Hi  
Row4Lo  
Row4Hi  
Row4Hi  
Row4Lo  
Row3Hi  
Row3Lo  
Row2Hi  
Row2Lo  
Row1Hi  
Row1Lo  
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
16  
15  
14  
13  
12  
11  
10  
9
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
a
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
b
Row1Lo  
Row1Hi  
Row2Lo  
Row2Hi  
Row3Lo  
Row3Hi  
Row4Lo  
Row4Hi  
Row4Hi  
Row4Lo  
Row3Hi  
Row3Lo  
Row2Hi  
Row2Lo  
Row1Hi  
Row1Lo  
c
Col16Hi  
Col15Hi  
Col14Hi  
Col13Hi  
Col12Hi  
Col11Hi  
Col10Hi  
Col09Hi  
Col08Hi  
Col07Hi  
Col06Hi  
Col05Hi  
Col04Hi  
Col03Hi  
Col02Hi  
Col01Hi  
d
Col16Lo  
Col15Lo  
Col14Lo  
Col13Lo  
Col12Lo  
Col11Lo  
Col10Lo  
Col09Lo  
Col08Lo  
Col07Lo  
Col06Lo  
Col05Lo  
Col04Lo  
Col03Lo  
Col02Lo  
Col01Lo  
e
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
8
7
6
5
4
3
2
1
Pin  
B–4  
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Appendix B: Input/Output Connections  
Figure B–2: Matrix Configuration  
B–5  
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Appendix B: Input/Output Connections  
B–6  
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Appendix C: Examples  
In these examples an Option 01 daughter board is installed on a VX4380  
Module. Two additional VX4380 Modules are installed in consecutive slots to  
the right of the first VX4380.  
Example 1  
H
H
Reset the modules. This command places the VX4380 Modules in their  
power-on state. All channels on all VX4380 Modules are opened. This  
command also clears the Output queue, Error/Event queue, and the Standard  
Event Status register.  
WRITE  
system:preset  
Reset the modules. Open all channels on all VX4380 Modules but do not  
clear the Output queue, the Error/Event queue, or the Standard Event Status  
register.  
WRITE  
*RST  
H
H
Clear the Output queue, the Error/Event queue, and the Standard Event  
Status register, but do not change the state of the VX4380 Modules.  
WRITE  
*CLS  
Query the default module names assigned to the modules.  
WRITE  
READ  
route:module:catalog?  
"M1", "M2", "M3"  
H
H
Close the relay that joins row 4 to column 15 in section 2 on the third  
VX4380.  
WRITE  
close (@m3(4!15!2))  
Change the module name assignments of the relay modules to ”MA-  
TRIX_1”, ”MATRIX_2”, and ”MATRIX_3”.  
WRITE  
matrix_3,3  
mod:def matrix_1,1; def matrix_2,2; def  
H
Query the new module names.  
WRITE  
READ  
route:module:catalog?  
"MATRIX_1", "MATRIX_2", "MATRIX_3"  
C–1  
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Appendix C: Examples  
H
H
Enable VXI TTL trigger 3.  
WRITE  
output:ttltrg3:State on  
Assign a close dwell time of 0.25 seconds to each of the VX4380 Modules.  
WRITE  
m3,0.25  
close:dwell m1,0.25; dwell m2,0.25; dwell  
Note that this command is equivalent to the following three commands.  
WRITE  
WRITE  
WRITE  
close:dwell m1,0.25  
close:dwell m2,0.25  
close:dwell m3,0.25  
H
H
Open all relays on the first and second VX4380 Modules.  
WRITE open:all matrix_1; all matrix_2  
Close the relays that join row 1 to columns 10 through 16 in section 3 of the  
first VX4380, the relays that join row 3 to columns 1 and 2 in section 2 of  
the second VX4380, and the relays that join rows 1 through 4 to column 6 in  
section 2 of the third VX4380. After closing these relays, wait 0.25 seconds  
then pulse VXI TTL trigger 3 low for 3 msec.  
WRITE  
close (@matrix_1(1!10!3:1!16!3),  
matrix_2(3!1!2,3!2!2), matrix_3(1!6!2:4!6!2))  
H
H
Query the close state of the relays in section 2 of the first VX4380.  
WRITE  
close? (@matrix_1(1!1!2:4!16!2))  
READ  
0 0 0  
0 0 0  
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0  
0 0 0 0 0 0 0 0 0 0  
The close states are returned in the same order in which they are specified in  
the close query. In this example the specified order is:  
1!1!2,1!2!2,1!3!2, ..., 1!16!2  
2!1!2,2!2!2,2!3!2, ..., 2!16!2  
3!1!2,3!2!2,3!3!2, ..., 3!16!2  
4!1!2,4!2!2,4!3!2, ..., 4!16!2  
Note that this query is equivalent to the following close query:  
close? (@matrix_1(65:128))  
C–2  
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Appendix C: Examples  
H
H
Define a scan sequence consisting of the relays that join row 1 to columns 1  
through 16 in section 3 of the second VX4330. Note that this command  
causes all relays in the scan list to be opened.  
WRITE  
scan (@matrix_2(1!1!3:1!16!3))  
Set the trigger source for the defined scan list to “immediate”. This causes  
the Option 01 daughter board to generate its own internal triggers. Each time  
a trigger is generated, the following sequence of events occurs:  
Wait for the trigger delay defined by the TRIGger[:SEQuence]:DELay  
command to expire.  
Open the relay in the scan list that is currently closed.  
Wait for the open dwell time assigned to the module containing the relay  
just opened to expire.  
Close the next relay in the scan list.  
Wait for the close dwell time assigned to the module containing the relay  
just closed to expire.  
Pulse any enabled VXI TTL triggers low for 3 msec.  
In this case, the default trigger delay of 0 is used, the default open dwell time  
of 0 is used, and the close dwell time has been set to 0.25 seconds. Note that  
the second and third events are skipped when the first trigger is received.  
The last three events are skipped when the last trigger is received. Triggers  
are not recognized until an INITiate[:IMMediate] or an INITiate:Continuous  
command is received.  
H
Set the number of times to scan through the defined scan list to 2, to begin  
when an INITiate[:IMMediat] command is received.  
WRITE  
trigger:sequence:count 2  
H
H
Scan through the entire scan list two times.  
WRITE initiate  
Set the Operation Complete bit in the Standard Event Status register after the  
scan list has been sequenced two times.  
WRITE  
*opc  
H
Poll the Operation Complete bit in the Standard Event Status register to see  
when the scan sequence is finished.  
WRITE  
READ  
*esr?  
<nr1>  
C–3  
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Appendix C: Examples  
The <nr1> response is a 3-digit ASCII-encoded integer. If the value of this  
number is odd, the Operation Complete bit is set.  
H
H
Scan through the entire scan list repeatedly until an ABORt command is  
received.  
WRITE  
initiate:continuous  
Stop sequencing through the scan list. Open the relay that was closed last.  
WRITE abort  
Example 2  
H
H
H
H
H
Make sure that all of the crosspoint relays are open.  
WRITE ROUTE:OPEN:ALL M1  
Close the 2-wire connection between row 1 and column 1 of section 1.  
WRITE ROUTE:CLOSE (@M1(1!1!1))  
Close the 2-wire connection between row 2 and column 7 of section 3.  
WRITE ROUTE:CLOSE (@M1(2!7!3))  
Open the 2-wire connection between row 1 and column 1 of section 1.  
WRITE ROUTE:OPEN (@M1(1!1!1))  
Check for system errors.  
WRITE  
READ  
SYSTEM:ERR?  
0, "No error"  
C–4  
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Appendix D: User Service  
This appendix contains service-related information for the VX4380 that covers  
the following topics:  
H
H
H
H
Performance verification  
Preventive maintenance  
Troubleshooting  
User-replaceable parts  
Performance Verification  
You may use the Operational Check procedure listed in Getting Started to verify  
that the module is operating correctly. The instrument has been fully tested and  
calibrated before leaving the factory.  
If the self test or diagnostic commands indicate a failure, contact your Tektronix  
field office or representative for assistance.  
Preventive Maintenance  
You should perform inspection and cleaning as preventive maintenance.  
Preventive maintenance, when done regularly, may prevent VX4380 malfunction  
and enhance reliability. Inspect and clean the VX4380 as often as conditions  
require by following these steps:  
1. Turn off power and remove the VX4380 from the VXIbus mainframe.  
2. Remove loose dust on the outside of the instrument with a lint-free cloth.  
3. Remove any remaining dirt with a lint-free cloth dampened with water or a  
75% isopropyl alcohol solution. Do not use abrasive cleaners.  
Troubleshooting  
If you suspect a malfunction, first double check connections to and from the  
VX4380. If the trouble persists, perform the Functional Check.  
If the self test indicates a failure, contact your Tektronix field office or represen-  
tative for assistance.  
D–1  
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Appendix D: User Service  
User-Replaceable Parts  
Refer to Appendix E for replaceable parts information.  
D–2  
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Appendix E: Replaceable Parts  
This section contains a list of the replaceable modules for the <instrument>. Use  
this list to identify and order replacement parts.  
Parts Ordering Information  
Replacement parts are available through your local Tektronix field office or  
representative.  
Changes to Tektronix products are sometimes made to accommodate improved  
components as they become available and to give you the benefit of the latest  
improvements. Therefore, when ordering parts, it is important to include the  
following information in your order.  
H
H
H
H
Part number  
Instrument type or model number  
Instrument serial number  
Instrument modification number, if applicable  
If you order a part that has been replaced with a different or improved part, your  
local Tektronix field office or representative will contact you concerning any  
change in part number.  
Change information, if any, is located at the rear of this manual.  
Module Servicing  
Modules can be serviced by selecting one of the following three options. Contact  
your local Tektronix service center or representative for repair assistance.  
Module Exchange. In some cases you may exchange your module for a reman-  
ufactured module. These modules cost significantly less than new modules and  
meet the same factory specifications. For more information about the module  
exchange program, call 1-800-TEK-WIDE, extension 6630.  
Module Repair and Return. You may ship your module to us for repair, after which  
we will return it to you.  
New Modules. You may purchase replacement modules in the same way as other  
replacement parts.  
E–1  
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Appendix E: Replaceable Parts  
Using the Replaceable Parts List  
This section contains a list of the mechanical and/or electrical components that  
are replaceable for the <instrument>. Use this list to identify and order replace-  
ment parts. The following table describes each column in the parts list.  
Parts List Column Descriptions  
Column Column Name  
Description  
1
Figure & Index Number  
Items in this section are referenced by figure and index numbers to the exploded view  
illustrations that follow.  
2
Tektronix Part Number  
Serial Number  
Use this part number when ordering replacement parts from Tektronix.  
3 and 4  
Column three indicates the serial number at which the part was first effective. Column four  
indicates the serial number at which the part was discontinued. No entries indicates the part is  
good for all serial numbers.  
5
6
Qty  
This indicates the quantity of parts used.  
Name & Description  
An item name is separated from the description by a colon (:). Because of space limitations, an  
item name may sometimes appear as incomplete. Use the U.S. Federal Catalog handbook  
H6-1 for further item name identification.  
7
8
Mfr. Code  
This indicates the code of the actual manufacturer of the part.  
This indicates the actual manufacturer’s or vendor’s part number.  
Mfr. Part Number  
Abbreviations  
Abbreviations conform to American National Standard ANSI Y1.1–1972.  
Mfr. Code to Manufacturer  
Cross Index  
The table titled Manufacturers Cross Index shows codes, names, and addresses  
of manufacturers or vendors of components listed in the parts list.  
E–2  
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Appendix E: Replaceable Parts  
Manufacturers Cross Index  
Mfr.  
Code  
Manufacturer  
Address  
City, State, Zip Code  
PORTLAND, OR 97214–4657  
HILLSBORO, OR 97124–6474  
ETTERS, PA 17319  
0KB01  
0KB05  
22526  
30817  
STAUFFER SUPPLY CO  
810 SE SHERMAN  
5750 NE MOORE COURT  
857 OLD TRAIL ROAD  
NORTH STAR NAMEPLATE INC  
BERG ELECTRONICS INC  
INSTRUMENT SPECIALTIES CO INC  
EXIT 53, RT 80  
BOX A  
DELAWARE WATER GAP, PA 18327  
61857  
80009  
SAN–O INDUSTRIAL CORP  
TEKTRONIX INC  
91–3 COLIN DRIVE  
HOLBROOK, NY 11741  
14150 SW KARL BRAUN DR  
PO BOX 500  
BEAVERTON, OR 97077–0001  
93907  
CAMCAR DIV OF TEXTRON INC  
ATTN: ALICIA SANFORD  
516 18TH AVE  
ROCKFORD, IL 611045181  
TK1943  
TK2548  
NEILSEN MANUFACTURING INC  
XEROX CORPORATION  
3501 PORTLAND RD NE  
SALEM, OR 97303  
DIV OF XEROX CORPORATION  
14181 SW MILLIKAN WAY  
BEAVERTON, OR 97005  
TK2647  
INSTRUMENT SPECIALITIES INC  
C/O TEMCO NW  
HILLSBORO, OR 97123  
1336 SE 51ST STREET  
E–3  
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Appendix E: Replaceable Parts  
Replaceable Parts List  
Fig. &  
Tektronix  
Serial No. Serial No.  
Index  
Part Number Effective  
Discont’d  
Qty Name & Description  
Mfr. Code Mfr. Part Number  
Number  
070–9182–XX  
070–9202–XX  
334–8951–00  
367–0411–00  
950–4827–00  
950–4448–00  
950–3794–00  
159–0193–00  
1
1
1
1
2
2
2
1
MANUAL,TECH:USERS  
80009  
070–9182–XX  
070–9202–XX  
334–8951–00  
20817–328  
MANUAL,TECH:REFERENCE GUIDE  
MARKER,IDENT:MARKED VX4380  
HANDLE,EJECTOR:TOP,SINGLE WIDE  
SCREW PHIL M 2.5 X 8 CSK  
TK2548  
0KB05  
1
2
3
4
5
6
0KB01  
80009  
80009  
61857  
950–4827–00  
950–4448–00  
950–3794–00  
SP5–10A  
SCREW M2.5X10 CHEESEHEAD  
WAVY 2.7MM  
FUSE,WIRE LEAD:10A,60V,FAST BLOW,5 SEC,  
7
163–0384–00  
1
IC,DIGITAL:CMOS,PRGM  
80009  
163–0384–00  
8
9
386–6862–00  
348–1434–00  
1
4
PANEL,VXI:END CAP,VXI APPLICATION  
TK1943  
30817  
386–6862–00  
GASKET,EMI:2.912 L,CLIP ON,BE CU EMI  
GASKET,TIN PLATED  
97–613–17–029  
10  
211–0373–00  
7
SCREW,MACHINE:4–40 X  
0.250,PNH,STL,CDPL,T–10  
93907  
ORDER BY  
DESCRIPTION  
11  
12  
200–4231–00  
334–8971–00  
1
1
COVER:VXI APPLICATION  
TK1943  
0KB05  
200–4231–00  
334–8971–00  
MARKER,IDENT:MATRIX CONFIGURATION  
LABEL,VX4380  
13  
14  
131–3199–00  
367–0410–00  
128  
1
CONN,SHUNT:SHUNT,FEMALE,STR,1 X 2,0.1 CTR  
22526  
93907  
68786–202  
20817–327  
HANDLE,EJECTOR:BOTTOM,SINGLE WIDE  
MODULE  
15  
211–0391–00  
5
SCR,ASSEM,WSHR:2–56 X 0.437,  
PNH,STL,CDPL,T–8  
ORDER BY  
DESCRIPTION  
16  
17  
18  
19  
334–8952–00  
351–0984–00  
351–0983–00  
348–1365–01  
1
2
2
1
MARKER,IDENT:MARKED VXIBUS & RELAY MATRIX 0KB05  
334–8952–00  
351–0984–00  
351–0983–00  
348–1365–01  
GUIDE:BOTTOM GUIDE,5 ROW  
GUIDE:TOP GUIDE,5 ROW  
TK1943  
TK1943  
TK2647  
SHLD GSKT,ELEC:SYMETRICAL SLOTTED FINGER  
MTG,SNAP–IN  
20  
214–4692–01  
1
KEY:VXI,TTL  
80009  
214–4692–01  
E–4  
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Appendix E: Replaceable Parts  
8
9
2
10  
5
4
3
9
2
1
11  
6
7
20  
15  
18  
10  
12  
13  
15  
17  
18  
4
5
19  
14  
17  
3
16  
15  
14  
Figure E–1: VX4380 Exploded View  
E–5  
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Appendix E: Replaceable Parts  
E–6  
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Glossary and Index  
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Glossary  
The terms in this glossary are defined as used in the VXIbus System. Although  
some of these terms may have different meanings in other systems, it is  
important to use these definitions in VXIbus applications. Terms which apply  
only to a particular instrument module are noted. Not all terms appear in every  
manual.  
Accessed Indicator  
An amber LED indicator that lights when the module identity is selected by  
the Resource Manager module, and flashes during any I/O operation for the  
module.  
ACFAIL*  
A VMEbus backplane line that is asserted under these conditions: 1) by the  
mainframe Power Supply when a power failure has occurred (either AC line  
source or power supply malfunction), or 2) by the front panel ON/  
STANDBY switch when switched to STANDBY.  
Asynchronous Communication  
Communications that occur outside the normal “command-response” cycle.  
Such communications have higher priority than synchronous communica-  
tion.  
Backplane  
The printed circuit board that is mounted in a VXIbus mainframe to provide  
the interface between VXIbus modules and between those modules and the  
external system.  
Bus Arbitration  
In the VMEbus interface, a system for resolving contention for service  
among VMEbus Master devices on the VMEbus.  
Bus Timer  
A functional module that measures the duration of each data transfer on the  
Data Transfer Bus (DTB) and terminates the DTB cycle if the duration is  
excessive. Without the termination capability of this module, a Bus Master  
attempt to transfer data to or from a non-existent Slave location could result  
in an infinitely long wait for the Slave response.  
Client  
In shared memory protocol (SMP), that half of an SMP channel that does not  
control the shared memory buffers.  
CLK10  
A 10 MHz, ±100 ppm, individually buffered (to each module slot),  
differential ECL system clock that is sourced from Slot 0 and distributed to  
Glossary–1  
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Glossary  
Slots 1–12 on P2. It is distributed to each module slot as a single source,  
single destination signal with a matched delay of under 8 ns.  
Commander  
In the VXIbus interface, a device that controls another device (a servant). A  
commander may be a servant of another commander.  
Command  
A directive to a device. There are three types of commands:  
In Word Serial Protocol, a 16-bit imperative to a servant from its com-  
mander.  
In Shared Memory Protocol, a 16-bit imperative from a client to a server, or  
vice versa.  
In a Message, an ASCII-coded, multi-byte directive to any receiving device.  
Communication Registers  
In word serial protocol, a set of device registers that are accessible to the  
commander of the device. Such registers are used for inter-device commu-  
nications, and are required on all VXIbus message-based devices.  
Configuration Registers  
A set of registers that allow the system to identify a (module) device type,  
model, manufacturer, address space, and memory requirements. In order to  
support automatic system and memory configuration, the VXIbus standard  
specifies that all VXIbus devices have a set of such registers, all accessible  
from P1 on the VMEbus.  
C-Size Card  
A VXIbus instrument module that is 340.0 mm × 233.4 mm × 30.48 mm  
(13.4 in. × 9.2 in × 1.2 in).  
Custom Device  
A special-purpose VXIbus device that has configuration registers so as to be  
identified by the system and to allow for definition of future device types to  
support further levels of compatibility.  
Data Transfer Bus  
One of four buses on the VMEbus backplane. The Data Transfer Bus allows  
Bus Masters to direct the transfer of binary data between Masters and Slaves.  
DC SUPPLIES Indicator  
A red LED indicator that illuminates when a DC power fault is detected on  
the backplane.  
Device Specific Protocol  
A protocol for communication with a device that is not defined in the  
VXIbus specification.  
Glossary–2  
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D-Size Card  
A VXIbus instrument module that is 340.0 × 366.7 mm × 30.48 mm (13.4 ×  
14.4 in × 1.2 in).  
DTB  
See Data Transfer Bus.  
DTB Arbiter  
A functional module that accepts bus requests from Requester modules and  
grants control of the DTB to one Requester at a time.  
DUT  
Device Under Test.  
ECLTRG  
Six single-ended ECL trigger lines (two on P2 and four on P3) that function  
as inter-module timing resources, and that are bussed across the VXIbus  
subsystem backplane. Any module, including the Slot 0 module, may drive  
and receive information from these lines. These lines have an impedance of  
50 W; the asserted state is logical High.  
Embedded Address  
An address in a communications protocol in which the destination of the  
message is included in the message.  
ESTST  
Extended STart/STop protocol; used to synchronize VXIbus modules.  
Extended Self Test  
Any self test or diagnostic power-on routine that executes after the initial  
kernel self test program.  
External System Controller  
The host computer or other external controller that exerts overall control  
over VXIbus operations.  
FAILED Indicator  
A red LED indicator that lights when a device on the VXIbus has detected an  
internal fault. This might result in the assertion of the SYSFAIL* line.  
IACK Daisy Chain Driver  
The circuit that drives the VMEbus Interrupt Acknowledge daisy chain line  
that runs continuously through all installed modules or through jumpers  
across the backplane.  
ID-ROM  
An NVRAM storage area that provides for non-volatile storage of diagnostic  
data.  
Instrument Module  
A plug-in printed circuit board, with associated components and shields, that  
Glossary–3  
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Glossary  
may be installed in a VXIbus mainframe. An instrument module may  
contain more than one device. Also, one device may require more than one  
instrument module.  
Interface Device  
A VXIbus device that provides one or more interfaces to external equipment.  
Interrupt Handler  
A functional module that detects interrupt requests generated by Interrupters  
and responds to those requests by requesting status and identity information.  
Interrupter  
A device capable of asserting VMEbus interrupts and performing the  
interrupt acknowledge sequence.  
IRQ  
The Interrupt ReQuest signal, which is the VMEbus interrupt line that is  
asserted by an Interrupter to signify to the controller that a device on the bus  
requires service by the controller.  
Local Bus  
A daisy-chained bus that connects adjacent VXIbus slots.  
Local Controller  
The instrument module that performs system control and external interface  
functions for the instrument modules in a VXIbus mainframe or several  
mainframes. See Resource Manager.  
Local Processor  
The processor on an instrument module.  
Logical Address  
The smallest functional unit recognized by a VXIbus system. It is often used  
to identify a particular module.  
Mainframe  
Card Cage. For example, the Tektronix VX1410 Intelliframe, an operable  
housing that includes 13 C-size VXIbus instrument module slots.  
Memory Device  
A storage element (such as bubble memory, RAM, and ROM) that has  
configuration registers and memory attributes (such as type and access time).  
Message  
A series of data bytes that are treated as a single communication, with a well  
defined terminator and message body.  
Message Based Device  
A VXIbus device that supports VXI configuration and communication  
registers. Such devices support the word serial protocol, and possibly other  
message-based protocols.  
Glossary–4  
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Glossary  
MODID Lines  
Module/system identity lines.  
Physical Address  
The address assigned to a backplane slot during an access.  
Power Monitor  
A device that monitors backplane power and reports fault conditions.  
P1  
The top-most backplane connector for a given module slot in a vertical  
mainframe. The left-most backplane connector for a given slot in a horizon-  
tal mainframe.  
P2  
The bottom backplane connector for a given module slot in a vertical C-size  
mainframe; or the middle backplane connector for a given module slot in a  
vertical D-size mainframe such as the VX1500.  
Query  
A form of command that allows for inquiry to obtain status or data.  
READY Indicator  
A green LED indicator that lights when the power-on diagnostic routines  
have been completed successfully. An internal failure or failure of +5 V  
power will extinguish this indicator.  
Register Based Device  
A VXIbus device that supports VXI register maps, but not high level  
VXIbus communication protocols; includes devices that are register-based  
servant elements.  
Requester  
A functional module that resides on the same module as a Master or  
Interrupt Handler and requests use of the DTB whenever its Master or  
Interrupt Handler requires it.  
Resource Manager  
A VXIbus device that provides configuration management services such as  
address map configuration, determining system hierarchy, allocating shared  
system resources, performing system self test diagnostics, and initializing  
system commanders.  
Self Calibration  
A routine that verifies the basic calibration of the instrument module circuits,  
and adjusts this calibration to compensate for short- and long-term variables.  
Self Test  
A set of routines that determine if the instrument module circuits will  
Glossary–5  
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perform according to a given set of standards. A self test routine is per-  
formed upon power-on.  
Servant  
A VXIbus message-based device that is controlled by a commander.  
Server  
A shared memory device that controls the shared memory buffers used in a  
given Shared Memory Protocol channel.  
Shared Memory Protocol  
A communications protocol that uses a block of memory that is accessible to  
both client and server. The memory block operates as a message buffer for  
communications.  
Slot 0 Controller  
See Slot 0 Module. Also see Resource Manager.  
Slot 0 Module  
A VXIbus device that provides the minimum VXIbus slot 0 services to slots  
1 through 12 (CLK10 and the module identity lines), but that may provide  
other services such as CLK100, SYNC100, STARBUS, and trigger control.  
SMP  
See Shared Memory Protocol.  
STARX  
Two (2) bi-directional, 50 W, differential ECL lines that provide for  
inter-module asynchronous communication. These pairs of timed and  
matched delay lines connect slot 0 and each of slots 1 through 12 in a  
mainframe. The delay between slots is less than 5 ns, and the lines are well  
matched for timing skew.  
STARY  
Two (2) bi-directional, 50 W, differential ECL lines that provide for  
inter-module asynchronous communication. These pairs of timed and  
matched delay lines connect slot 0 and each of slots 1 through 12 in a  
mainframe. The delay between slots is less than 5 ns, and the lines are well  
matched for timing skew.  
STST  
STart/STop protocol; used to synchronize modules.  
SYNC100  
A Slot 0 signal that is used to synchronize multiple devices with respect to a  
given rising edge of CLK100. These signals are individually buffered and  
matched to less than 2 ns of skew.  
Synchronous Communications  
A communications system that follows the “command-response” cycle  
Glossary–6  
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model. In this model, a device issues a command to another device; the  
second device executes the command; then returns a response. Synchronous  
commands are executed in the order received.  
SYSFAIL*  
A signal line on the VMEbus that is used to indicate a failure by a device.  
The device that fails asserts this line.  
System Clock Driver  
A functional module that provides a 16 MHz timing signal on the Utility  
Bus.  
System Hierarchy  
The tree structure of the commander/servant relationships of all devices in  
the system at a given time. In the VXIbus structure, each servant has a  
commander. A commander may also have a commander.  
Test Monitor  
An executive routine that is responsible for executing the self tests, storing  
any errors in the ID-ROM, and reporting such errors to the Resource  
Manager.  
Test Program  
A program, executed on the system controller, that controls the execution of  
tests within the test system.  
Test System  
A collection of hardware and software modules that operate in concert to test  
a target DUT.  
TTLTRG  
Open collector TTL lines used for inter-module timing and communication.  
VXIbus Subsystem  
One mainframe with modules installed. The installed modules include one  
module that performs slot 0 functions and a given complement of instrument  
modules. The subsystem may also include a Resource Manager.  
Word Serial Protocol  
A VXIbus word oriented, bi-directional, serial protocol for communications  
between message-based devices (that is, devices that include communication  
registers in addition to configuration registers).  
Word Serial Communications  
Inter-device communications using the Word Serial Protocol.  
WSP  
See Word Serial Protocol.  
10-MHz Clock  
A 10 MHz, ±100 ppm timing reference. Also see CLK10.  
Glossary–7  
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488-To-VXIbus Interface  
A message based device that provides for communication between the  
IEEE-488 bus and VXIbus instrument modules.  
Glossary–8  
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Index  
*IDN?, 3-54  
*OPC, 3-55  
*OPC?, 3-55  
*RST, 3-55  
*SRE, 3-56  
A
Accessories, 1-5  
ARM, 3-16  
*SRE?, 3-56  
*STB?, 3-57  
*TST?, 3-58, 3-59  
*WAI, 3-59  
*ESE?, 3-53  
C
*CLS, 3-53  
command, 3-18, 3-22, 3-23, 3-26, 3-30, 3-35,  
3-36, 3-37, 3-41, 3-45, 3-49  
Command Descriptions  
IEEEĆ488 Address, 1-7  
ARM, 3-16  
M
command, 3-18, 3-22, 3-23, 3-26, 3-30, 3-35,  
3-36, 3-37, 3-41, 3-45, 3-49  
command error messages, 4-6  
Command Syntax, 3-1  
Syntax Example, 3-3  
Commands. See individual command names  
Configuration Registers, 2-3  
Maintenance, Preventive, D-1  
Message, Handling, 4-1  
messages. See error messages  
N
Normal Transfer Mode, 2-2  
D
device dependent error messages, 4-8  
O
*OPC, 3-55  
OPC bit, 4-3  
*OPC?, 3-55  
Output queue, 4-4  
E
error messages, 4-6  
command errors, 4-6  
device dependent errors, 4-8  
execution errors, 4-7  
*ESE, 3-53, 4-4  
*ESE?, 3-53, 4-4  
*ESR?, 3-53, 4-3  
Event handling, 4-1  
Event Reporting Process, 4-5  
Event Reporting System, 4-1  
Event Status Enable Register, 4-4  
execution error messages, 4-7  
Q
Queue  
Output, 4-4  
System Error and Event, 4-4  
R
Register  
Event Status Enable, 4-4  
Service Request Enable, 4-2  
Standard Event Status, 4-3  
Status Byte, 4-1  
Replaceable Parts, E-1  
*RST, 3-55  
F
Fast Handshake Mode, 2-3  
Fuses, 1-4, 1-5  
I
*IDN?, 3-54  
IEEE 488.2 Commands  
*CLS, 3-53  
*ESE, 3-53  
S
Service Request Enable Register, 4-2  
Specifications, A-1  
*SRE, 3-56, 4-2  
*ESR?, 3-53  
Index–1  
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Index  
*SRE?, 3-56, 4-2  
Standard Event Status Register, 4-3  
Status, 4-1  
Status and Event Reporting Process, 4-5  
Status and Event Reporting System, 4-1  
Status Byte Register, 4-1  
*STB?, 3-57, 4-1  
Switches, 1-5  
Logical Address Switches, 1-7, 1-8  
SYSFAIL*, 1-13  
T
Troubleshooting the VX4380, D-1  
*TST?, 3-58, 3-59  
W
*WAI, 3-59  
System Error and Event queue, 4-4  
SYSTem:ERROr?, 4-4  
Index–2  
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