Measurement Specialties PCI DIO24 User Manual

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HM PCI-DIO24.doc  
ii  
Trademark and Copyright Information  
TracerDAQ, Universal Library, InstaCal, Harsh Environment Warranty, Measurement Computing Corporation, and the  
Measurement Computing logo are either trademarks or registered trademarks of Measurement Computing Corporation.  
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Measurement Computing Corporation products are not designed with the components required, and are not subject  
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iii  
Table of Contents  
Preface  
Chapter 1  
Chapter 2  
Chapter 3  
Chapter 4  
Chapter 5  
iv  
Preface  
About this User's Guide  
What you will learn from this user's guide  
This user's guide explains how to install, configure, and use the PCI-DIO24 so that you get the most out of the  
digital I/O features.  
This user's guide also refers you to related documents available on our web site, and to technical support  
resources.  
Conventions in this user's guide  
For more information on …  
Text presented in a box signifies additional information and helpful hints related to the subject matter you are  
reading.  
Caution! Shaded caution statements present information to help you avoid injuring yourself and others,  
damaging your hardware, or losing your data.  
<#:#>  
Angle brackets that enclose numbers separated by a colon signify a range of numbers, such as those assigned  
to registers, bit settings, etc.  
bold text  
Bold text is used for the names of objects on the screen, such as buttons, text boxes, and check boxes. For  
example:  
1. Insert the disk or CD and click the OK button.  
italic text  
Italic text is used for the names of manuals and help topic titles, and to emphasize a word or phrase. For  
example:  
The InstaCal® installation procedure is explained in the Quick Start Guide.  
Never touch the exposed pins or circuit connections on the board.  
Where to find more information  
The following electronic documents provide information that is relevant to the operation of the PCI-DIO24.  
!
!
!
!
!
!
MCC's Specifications: PCI-DIO24 (the PDF version of the Electrical Specification Chapter in this guide) is  
available on our web site at www.mccdaq.com/pdfs/PCI-DIO24.pdf.  
MCC's Quick Start Guide is available on our web site at  
MCC's Guide to Signal Connections is available on our web site at  
MCC's Universal Library User's Guide is available on our web site at  
MCC's Universal Library Function Reference is available on our web site at  
MCC's Universal Library for LabVIEWUser’s Guide is available on our web site at  
PCI-DIO24 User's Guide (this document) is also available on our web site at  
v
 
Chapter 1  
Introducing the PCI-DIO24  
This manual explains how to install, configure and use the PCI-DIO24 digital I/O board.  
The PCI-DIO24 provides 24 lines of digital I/O. An on-board, industry standard 82C55 programmable  
peripheral interface chip provides the 24 digital I/O lines in three eight-bit ports (Port A, Port B, and Port C).  
Port C can be further divided into two four-bit ports (Port C-HI and Port C-LO). You can configure each port  
independently for either input or output. All 24 I/O lines are accessible through the board's 37-pin connector.  
The I/O pins of an 82C55 are bi-directional CMOS TTL level.  
82C55 mode 1 or mode 2 operation  
This user's guide provides information on I/O configuration of the 82C55 in mode 0. To use the 82C55 in  
modes 1 or 2, refer to the 82C55A CMOS Programmable Interface datasheet. This document is available on our  
web site at www.mccdaq.com/82C55.  
PCI-DIO24 block diagram  
PCI-DIO24 functions are illustrated in the block diagram shown here.  
Controller FPGA and logic  
8255 DIO  
PORT A (7:0)  
PORT A  
Control  
Control  
PORT B (7:0)  
Bus  
Registers  
PORT B  
PORT CH (3:0)  
PORT CL (3:0)  
IRQ INPUT  
PORT CH  
PORT CL  
IRQ ENABLE  
Interrupt  
Control  
Decode/Status  
+5V  
Bus  
Timing  
+12V  
-12V  
Local Bus  
Boot  
EEPROM  
BADR1  
BADR2  
PCI  
Controller  
Interrupt  
PCI BUS (5V, 32-bit, 33 MHZ)  
1-1  
 
PCI-DIO24 User's Guide  
Introducing the PCI-DIO24  
Software features  
For information on the features of InstaCal and the other software included with your PCI-DIO24, refer to the  
Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at  
Check www.mccdaq.com/download.htm for the latest software version or versions of the software supported  
under less commonly used operating systems.  
1-2  
 
Chapter 2  
Installing the PCI-DIO24  
What comes with your PCI-DIO24 shipment?  
The following items are shipped with the PCI-DIO24.  
Hardware  
!
PCI-DIO24  
Additional documentation  
In addition to this hardware user's guide, you should also receive the Quick Start Guide (available in PDF at  
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf). This booklet supplies a brief description of  
the software you received with your PCI-DIO24 and information regarding installation of that software. Please  
read this booklet completely before installing any software or hardware.  
Optional components  
If you ordered any of the following products with your board, they should be included with your shipment.  
!
Cables  
C37FF-x  
C37FFS-x  
2-1  
 
PCI-DIO24 User's Guide  
Installing the PCI-DIO24  
!
Signal termination and conditioning accessories  
MCC provides signal termination products for use with the PCI-DIO24. Refer to the "Field wiring and  
signal termination" section on page 2-4 for a complete list of compatible accessory products.  
Unpacking the PCI-DIO24  
As with any electronic device, you should take care while handling to avoid damage from static  
electricity. Before removing the PCI-DIO24 from its packaging, ground yourself using a wrist strap or by  
simply touching the computer chassis or other grounded object to eliminate any stored static charge.  
If any components are missing or damaged, notify Measurement Computing Corporation immediately by  
phone, fax, or e-mail:  
!
!
!
Phone: 508-946-5100 and follow the instructions for reaching Tech Support.  
Fax: 508-946-9500 to the attention of Tech Support  
Installing the software  
Refer to the Quick Start Guide for instructions on installing the software on the Measurement Computing Data  
Acquisition Software CD. This booklet is available in PDF at www.mccdaq.com/PDFmanuals/DAQ-Software-  
Installing the hardware  
The PCI-DIO24 board is completely plug-and-play, with no switches or jumpers to set. Configuration is  
controlled by your system's BIOS. To install your board, follow the steps below.  
Install the MCC DAQ software before you install your board  
The driver needed to run your board is installed with the MCC DAQ software. Therefore, you need to install  
the MCC DAQ software before you install your board. Refer to the Quick Start Guide for instructions on  
installing the software.  
1. Turn your computer off, open it up, and insert your board into an available PCI slot.  
2. Close your computer and turn it on.  
If you are using an operating system with support for plug-and-play (such as Windows 2000 or Windows  
XP), a dialog box pops up as the system loads indicating that new hardware has been detected. If the  
information file for this board is not already loaded onto your PC, you will be prompted for the disk  
containing this file. The MCC DAQ software contains this file. If required, insert the Measurement  
Computing Data Acquisition Software CD and click OK.  
3. To test your installation and configure your board, run the InstaCal utility installed in the previous section.  
Refer to the Quick Start Guide that came with your board for information on how to initially set up and  
load InstaCal.  
Configuring the hardware  
All hardware configuration options on the PCI-DIO24 are software controlled.  
2-2  
 
PCI-DIO24 User's Guide  
Installing the PCI-DIO24  
Connecting the board for I/O operations  
Connectors, cables – main I/O connector  
Table 2-1 lists the board connector type, applicable cables, and compatible accessory products for the PCI-  
DIO24.  
Table 2-1. Board connectors, cables, and accessory equipment  
Connector type  
37-pin D-type  
Compatible cables  
Compatible accessory products  
SCB-37  
(with the C37FF-x or C37FFS-x cable)  
CIO-MINI37  
CIO-MINI37-VERT  
CIO-ERB08  
CIO-SERB08  
CIO-ERB24  
CIO-SPADE50  
SSR-RACK08  
SSR-RACK24  
Pin out – main I/O connector  
The I/O connector is a 37-pin, male D-type connector accessible from the rear of the computer through the  
expansion backplate. The signals available are direct connections to the digital I/O chips as well as the  
computer's internal power supplies. The pin out is identical to the CIO-DIO24, except that 5 VDC is not  
brought out. The PCI-DIO24 board's I/O connector is shown in Figure 2-1.  
Figure 2-1. PCI-DIO24 board connector pin out  
2-3  
     
PCI-DIO24 User's Guide  
Installing the PCI-DIO24  
Information on signal connections  
General information regarding signal connection and configuration is available in the Guide to Signal  
Connections. This document is available on our web site at www.mccdaq.com/signals/signals.pdf.  
Cabling  
The red stripe  
identifies pin # 1  
1
20  
1
20  
37  
37  
19  
19  
Figure 2-2. C37FF-x cable  
1
1
20  
20  
37  
37  
19  
19  
Figure 2-3. C37FFS-x cable  
Field wiring and signal termination  
You can use the following MCC screw terminal boards and relay racks with the PCI-DIO24 board using the  
C37FF-x or C37FFS-x cable:  
!
SCB-37 — 37-conductor, shielded signal connection/screw terminal box that provides two independent 37-  
pin connections. Details on this product are available at  
!
!
CIO-MINI37 — 4 x 4, 37-pin screw terminal board. Details on this product are available at  
CIO-MINI37-VERT — 37-pin screw terminal accessory with vertical 37-pin male D connector. Details on  
this product are available on our web site at  
!
!
!
CIO-SPADE50 — 16" X 4" termination panel which mates with both 37-pin and 50-pin connectors.  
Details on this product are available on our web site at www.mccdaq.com/pdfs/screw.pdf.  
SSR-RACK24 — 24-position solid state relay rack. Details on this product are available on our web site at  
SSR-RACK08 — Eight-channel solid state relay rack. Details on this product are available on our web site  
2-4  
       
PCI-DIO24 User's Guide  
Installing the PCI-DIO24  
!
!
!
CIO-ERB08 — Eight-channel electromechanical relay accessory for digital I/O boards. Details on this  
product are available on our web site at  
CIO-SERB08 — Eight Form C and ten socketed relay accessory for digital I/O boards. Details on this  
product are available on our web site at  
CIO-ERB24 — 24-channel electromechanical relay accessory for digital I/O boards. Details on this  
product are available on our web site at  
2-5  
Chapter 3  
Programming and Developing Applications  
After following the installation instructions in Chapter 2, your board should now be installed and ready for use.  
Programming languages  
Measurement Computing’s Universal Library™ provides access to board functions from a variety of Windows  
programming languages. If you are planning to write programs, or would like to run the example programs for  
Visual Basicor any other language, please refer to the Universal Library User's Guide (available on our web  
Packaged applications programs  
Many packaged application programs, such as SoftWIREand HP-VEE™ now have drivers for your board. If  
the package you own does not have drivers for the board, please fax or e-mail the package name and the  
revision number from the install disks. We will research the package for you and advise how to obtain drivers.  
Some application drivers are included with the Universal Library package, but not with the application package.  
If you have purchased an application package directly from the software vendor, you may need to purchase our  
Universal Library and drivers. Please contact us by phone, fax or e-mail:  
!
!
!
Phone: 508-946-5100 and follow the instructions for reaching Tech Support.  
Fax: 508-946-9500 to the attention of Tech Support  
Register-level programming  
You should use the Universal Library or one of the packaged application programs mentioned above to control  
your board. Only experienced programmers should try register-level programming.  
If you need to program at the register level in your application, refer to the Register Map for the PCI-DIO24,  
PCI-DIO24H, PCI-DIO24/S, and PCI-DIO24/LP. This document is available at  
3-1  
 
Chapter 4  
Functional Details  
DIO signals  
All digital outputs and inputs on the PCI-DIO24 are CMOS TTL. Voltages and currents associated with  
external devices are usually far greater than can be supplied from a PCI-DIO24.  
Caution! Direct connections to high-current/high voltage devices will damage the board.  
The 82C55 digital I/O chip initializes all ports as inputs on power-up and reset. The state of the digital I/O lines  
is not defined as either logic high or logic low when in input mode. Input devices connected to the PCI-DIO24  
board may detect either a high or a low, and therefore may be turned off or on at power-up.  
Signal level control  
All I/O bits are set to a high impedance input mode on power up and reset. To prevent unwanted signal levels,  
and to drive all inputs on the device you are controlling to a known state after power up or reset, install pull-up  
or pull-down resistors.  
A pull-up resistor pulls all digital pins up to +5 V (high logic level). A pull-down resistor pulls all digital pins  
down to 0 V (low logic level).  
The PCI-DIO24 has open locations where you can install a 2.2 K, eight-resistor single inline package (SIP)  
resistor network for each port. The SIP is made up of eight 2.2 Kresistors. One side of each resistor is  
connected to a single common point and brought out to a pin. The common line is marked with a dot or line at  
one end of the SIP. The remaining resistor ends are brought out to the other eight pins (see Figure 4-1).  
2.2KOhm SIP  
Dot  
(LO or HI)  
I/O Lines  
Figure 4-1. Eight-resistor SIP schematic  
Install the SIP on the PCI-DIO24 board at the locations labeled PORT A, PORT B and PORT C (adjacent to  
the 37-pin connector). Figure 4-2 shows a schematic of an SIP installed in both the pull-up and pull-down  
positions.  
4-1  
   
PCI-DIO24 User's Guide  
Functional Details  
+5 VDC  
+5 VDC  
Dot indicates the  
common line  
2.2 K SIP  
2.2 K SIP  
COM  
HI  
n7  
HI  
n7  
n6  
n5  
n6  
n5  
n4  
n3  
n2  
Digital  
I/O Port  
n4  
Digital  
I/O Port  
n3  
n2  
n = A, B, or C  
n = A, B, or C  
n1  
n1  
n0  
n0  
COM  
LO  
(GND)  
LO  
(GND)  
Dot indicates the  
common line  
2.2 K SIP installed for pull-up  
2.2 K SIP installed for pull-down  
Figure 4-2. Pull-up and pull-down resistor SIP schematic  
When installed, the SIP establishes either a high or low logic level at each of the eight I/O lines on the port. At  
each board location, A, B, and C, there are 10 holes in a line. The hole on one end is marked "HI" and is  
connected to +5V. The other end is marked "LO" and is connected to GND. The eight holes in the middle  
connect to eight lines of the port, A, B or C.  
To pull-up lines, orient the SIP with the common pin (dot) toward the HI end; to pull-down, install the resistor  
with the common pin in the LO hole.  
Note:  
We recommend using 2.2KSIPs (MCC part number SP-K2.29C). Use a different value only if necessary.  
4-2  
 
Chapter 5  
Specifications  
Typical for 25 °C unless otherwise specified.  
Specifications in italic text are guaranteed by design.  
Power consumption  
Table 1. Power consumption specifications  
240 typical, 350 max  
+5V operating  
Digital input / output  
Table 2. Digital input / output specifications  
Digital type  
82C55  
Configuration  
Number of channels  
Output high  
2 banks of 8, 2 banks of 4, programmable by bank as input or output  
24 I/O  
3.7 volts min @ -2.5 mA  
Output low  
0.4 volts max @ 2.5 mA  
Input high  
2.2 volts min, 5.3 volts absolute max  
0.8 volts max, -0.3 volts absolute min  
Input mode (high impedance)  
Input low  
Power-up / reset state  
Interrupts  
INTA# - mapped to IRQn via PCI BIOS at boot-time  
Interrupt enable  
External (IR ENABLE, active low, disabled by default through internal resistor to  
TTL high) and programmable through PCI9052;  
0 = disabled, 1 = enabled (default)  
Interrupt sources  
External source (IR INPUT), polarity programmable through PCI9052;  
1 = active high, 0 = active low (default)  
Environmental  
Table 3. Environmental specifications  
Operating temperature range  
Storage temperature range  
Humidity  
0 to 50 °C  
-20 to 70 °C  
0 to 90% non-condensing  
5-1  
 
PCI-DIO24 User's Guide  
Specifications  
Main connector and pin out  
Table 4. Board connector, cables, and accessory equipment  
Connector type  
37-pin D-type  
Compatible cables  
C37FF-x unshielded ribbon cable. x = length in feet.  
C37FFS-x cable shielded round cable. x = length in feet.  
Compatible accessory products (with  
the C37FF-x or C37FFS-x cable)  
SCB-37  
CIO-MINI37  
CIO-MINI37-VERT  
CIO-ERB08  
CIO-SERB08  
CIO-ERB24  
CIO-SPADE50  
SSR-RACK08  
SSR-RACK24  
Table 5. Connector pin out  
Pin  
1
2
3
4
5
6
7
8
Signal Name  
IRQ INPUT  
IRQ ENABLE  
Port B7  
Port B6  
Port B5  
Port B4  
Port B3  
Port B2  
Port B1  
Port B0  
GND  
OPEN  
GND  
-12V  
GND  
+12V  
GND  
+5V  
GND  
Pin  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
37  
Signal Name  
+5V  
GND  
Port C7  
Port C6  
Port C5  
Port C4  
Port C3  
Port C2  
Port C1  
Port C0  
Port A7  
Port A6  
Port A5  
Port A4  
Port A3  
Port A2  
Port A1  
Port A0  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
5-2  
 
Declaration of Conformity  
Manufacturer:  
Address:  
Measurement Computing Corporation  
10 Commerce Way  
Suite 1008  
Norton, MA 02766  
USA  
Category: Electrical equipment for measurement, control and laboratory use.  
Measurement Computing Corporation declares under sole responsibility that the product  
PCI-DIO24  
to which this declaration relates is in conformity with the relevant provisions of the following standards or  
other documents:  
EU EMC Directive 89/336/EEC: Electromagnetic Compatibility, EN 61326 (1997) Amendment 1 (1998)  
Emissions: Group 1, Class A  
!
EN 55011 (1990)/CISPR 11: Radiated and Conducted emissions.  
Immunity: EN61326, Annex A  
!
!
!
IEC 61000-4-2 (1995): Electrostatic Discharge immunity, Criteria C.  
IEC 61000-4-3 (1995): Radiated Electromagnetic Field immunity Criteria A.  
IEC 61000-4-8 (1994): Power Frequency Magnetic Field immunity Criteria A.  
Declaration of Conformity based on tests conducted by Chomerics Test Services, Woburn, MA 01801, USA in  
February, 2006. Test records are outlined in Chomerics Test Report #EMI4445.06.  
We hereby declare that the equipment specified conforms to the above Directives and Standards.  
Carl Haapaoja, Director of Quality Assurance  
Measurement Computing Corporation  
10 Commerce Way  
Suite 1008  
Norton, Massachusetts 02766  
(508) 946-5100  
Fax: (508) 946-9500  

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