IBM CIO DIO48H User Manual

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HM CIO-DIO48H.doc  
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4
Table of Contents  
Preface  
Chapter 1  
Chapter 2  
Chapter 3  
Chapter 4  
Chapter 5  
5
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 CIO-DIO48H board so that you get the most  
out of its analog output 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  
The following conventions are used in this manual to convey special information:  
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 relevant to the operation of the CIO-DIO48H.  
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MCC's Specifications: CIO-DIO48H (the PDF version of the Specifications chapter in this guide) is  
available on our web site at www.mccdaq.com/pdfs/CIO-DIO48H.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  
CIO-DIO48H User's Guide (this document) is also available on our web site at  
6
 
Chapter 1  
Introducing the CIO-DIO48H  
Overview: CIO-DIO48H features  
The CIO-DIO48H provides 48-bits of digital I/O. The I/O is organized into two 24-bit groups based on an  
82C55 mode 0 emulation. Each 24-bit group is divided into three eight-bit ports labeled An, Bn and Cn, where  
n is either "1" for FIRSTPORT or "2" for SECONDPORT. Port C can be split into two four-bit nibbles Port  
C-HI and Port C-LO. Each of these ports may be individually programmed as input or output.  
All digital inputs are LSTTL. The output signals are buffered high output drive TTL. The digital output drivers  
are 74S244 chips that can sink 64 mA and source 15 mA. The input buffers are 74LS373 chips and have  
standard high input impedance of the 74LS series devices.  
On power up and reset, all I/O bits are set to input mode. If you are using the board to control items that must  
be OFF on reset, install pull-down resistors. The board is equipped with open locations where you can install  
SIP resistor networks for either pull-up or pull-down.  
All signals pass through a 50-pin connector.  
Software features  
For information on the features of InstaCal and the other software included with your CIO-DIO48H, 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.  
7
 
Chapter 2  
Installing the CIO-DIO48H  
What comes with your CIO-DIO48H shipment?  
The following items are shipped with the CIO-DIO48H.  
Hardware  
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CIO-DIO48H  
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 CIO-DIO48H and information regarding installation of that software.  
Please read this booklet completely before installing any software or hardware.  
Optional components  
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C50FF-x cable  
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Signal termination and conditioning accessories  
MCC provides signal conditioning and termination products for use with the CIO-DIO48H. Refer to Field  
products.  
8
 
CIO-DIO48H User's Guide  
Installing the CIO-DIO48H  
Unpacking the CIO-DIO48H  
As with any electronic device, you should take care while handling to avoid damage from static  
electricity. Before removing the CIO-DIO48H 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:  
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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-  
Configuring the base address switch  
The CIO-DIO48H employs the PC bus for power, communications and data transfer. It draws power from the  
PC, monitors the address lines and control signals, responds to its I/O address, and receives and places data on  
the eight data lines.  
The CIO-DIO48H has one bank of base address-select switches. Verify their settings before installing the board  
in your computer.  
Base address switch  
The easiest way to set the base address is to let InstaCal show you the correct settings. However, if you are  
already familiar with setting ISA base addresses, you may use the base address switch description below to  
guide your base address selection.  
The base address is the starting location that software writes to when communicating with the CIO-DIO48H. A  
set of DIP switches is used to set the base address. By placing the switch down, the CIO-DIO48H address  
decode logic is instructed to respond to that address bit. A complete address is constructed by calculating the  
HEX or decimal number which corresponds to all the address bits the board has been instructed to respond to.  
The board is shipped with the base address set to 300 hex (see Figure 1). Unless there is already a board in your  
system that uses address 300 hex (768 decimal), leave the switches as they were set at the factory.  
HEX  
200  
100  
80  
40  
20  
SW  
A9  
A8  
A7  
A6  
A5  
A4  
A3  
7
5
4
3
9
8
6
ADDRESS  
10  
08  
Figure 1. Base address switch  
In the default configuration, addresses 9 and 8 are down, and all others are up. Address 9 = 200 hex  
(512 decimal), and address 8 = 100 hex (256 decimal). When added together they equal 300 hex (768 decimal).  
9
   
CIO-DIO48H User's Guide  
Installing the CIO-DIO48H  
Disregard the numbers printed on the switch  
When setting the base address, refer to the numbers printed in white on the printed circuit board.  
PC I/O Address Summary  
Hex Range  
Function  
Hex Range  
Function  
000-00F  
020-021  
040-043  
060-063  
060-064  
070-071  
080-08F  
0A0-0A1  
0A0-0AF  
0C0-0DF  
0F0-0FF  
1F0-1FF  
200-20F  
210-21F  
238-23B  
23C-23F  
270-27F  
2B0-2BF  
8237 DMA #1  
2C0-2CF  
2D0-2DF  
2E0-2E7  
2E8-2EF  
2F8-2FF  
300-30F  
310-31F  
320-32F  
378-37F  
380-38F  
3A0-3AF  
3B0-3BB  
3BC-3BF  
3C0-3CF  
3D0-3DF  
3E8-3EF  
3F0-3F7  
3F8-3FF  
EGA  
8259 PIC #1  
EGA  
8253 TIMER  
GPIB (AT)  
8255 PPI (XT)  
SERIAL PORT  
SERIAL PORT  
PROTOTYPE CARD  
PROTOTYPE CARD  
HARD DISK (XT)  
PARALLEL PRINTER  
SDLC  
8742 CONTROLLER (AT)  
CMOS RAM & NMI MASK (AT)  
DMA PAGE REGISTERS  
8259 PIC #2 (AT)  
NMI MASK (XT)  
8237 #2 (AT)  
80287 NUMERIC CO-P (AT)  
HARD DISK (AT)  
GAME CONTROL  
EXPANSION UNIT (XT)  
BUS MOUSE  
SDLC  
MDA  
PARALLEL PRINTER  
EGA  
CGA  
ALT BUS MOUSE  
PARALLEL PRINTER  
EGA  
SERIAL PORT  
FLOPPY DISK  
SERIAL PORT  
You can set the base address switch to any address in the range of 000-3F8. If you are not using IBM  
prototyping cards or another board which occupies these addresses, 300-31Fh are also free to use.  
Addresses not specifically listed, such as 390-39Fh, are not reserved and may be available. Check your  
computer for other boards which may use I/O addresses.  
Installing the CIO-DIO48H  
After you configure the base address, you can install the CIO-DIO48H into your computer. 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 ISA slot.  
2. Close your computer and turn it on.  
3. To test your installation and configure your board, run the InstaCal utility you installed in the previous  
section. Refer to the Quick Start Guide that came with your board www.mccdaq.com/PDFmanuals/DAQ-  
Software-Quick-Start.pdf for information on how to initially set up and load InstaCal.  
10  
 
CIO-DIO48H User's Guide  
Installing the CIO-DIO48H  
Connecting the board for I/O operations  
Connectors, cables – main I/O connector  
The table below lists the board connector, applicable cables, and compatible accessory products.  
Board connector, cables, and accessory equipment  
Connector type  
50-pin shrouded male header  
C50FF-x  
Compatible cables  
Compatible accessory products  
with the C50FF-x cable  
CIO-TERM100  
CIO-SPADE50  
CIO-MINI50  
SSR-RACK24, SSR-RACK48  
CIO-ERB24, CIO-ERB48  
Pinout – main I/O connector  
The CIO-DIO48H connector is a 50-pin male shrouded header connector that is accessible through the PC/AT  
expansion bracket.  
GND 50  
FIRSTPORTC Bit 0 48  
FIRSTPORTC Bit 2 46  
FIRSTPORTC Bit 4 44  
FIRSTPORTC Bit 6 42  
FIRSTPORTB Bit 0 40  
FIRSTPORTB Bit 2 38  
FIRSTPORTB Bit 4 36  
FIRSTPORTB Bit 6 34  
FIRSTPORTA Bit 0 32  
FIRSTPORTA Bit 2 30  
FIRSTPORTA Bit 4 28  
FIRSTPORTA Bit 6 26  
SECONDPORTC Bit 0 24  
SECONDPORTC Bit 2 22  
SECONDPORTC Bit 4 20  
SECONDPORTC Bit 6 18  
SECONDPORTB Bit 0 16  
SECONDPORTB Bit 2 14  
SECONDPORTB Bit 4 12  
SECONDPORTB Bit 6 10  
49 +5V  
47 FIRSTPORTC Bit 1  
45 FIRSTPORTC Bit 3  
43 FIRSTPORTC Bit 5  
41 FIRSTPORTC Bit 7  
39 FIRSTPORTB Bit 1  
37 FIRSTPORTB Bit 3  
35 FIRSTPORTB Bit 5  
33 FIRSTPORTB Bit 7  
31 FIRSTPORTA Bit 1  
29 FIRSTPORTA Bit 3  
27 FIRSTPORTA Bit 5  
25 FIRSTPORTA Bit 7  
23 SECONDPORTC Bit 1  
21 SECONDPORTC Bit 3  
19 SECONDPORTC Bit 5  
17 SECONDPORTC Bit 7  
15 SECONDPORTB Bit 1  
13 SECONDPORTB Bit 3  
11  
9
7
5
3
1
SECONDPORTB Bit 5  
SECONDPORTB Bit 7  
SECONDPORTA Bit 1  
SECONDPORTA Bit 3  
SECONDPORTA Bit 5  
SECONDPORTA Bit 7  
SECONDPORTA Bit 0  
SECONDPORTA Bit 2  
SECONDPORTA Bit 4  
SECONDPORTA Bit 6  
8
6
4
2
Figure 2. I/O connector pin-out  
All the digital inputs and outputs are TTL. Under normal operating conditions, the voltages on the I/O pins  
range from near 0 volts for the low state, to near 5 volts for the high state. The voltages and currents of external  
devices usually exceed these values. Because of this, external relays are usually employed to handle higher  
current and voltage loads.  
In addition to load matching, digital signal sources often need to be filtered or "de-bounced". Refer to the Guide  
to Signal Connections for information on digital interfacing. This document is available at  
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CIO-DIO48H User's Guide  
Installing the CIO-DIO48H  
Cabling  
The red stripe  
identifies pin # 1  
2
1
2
1
50  
49  
50  
49  
50-pin Female  
IDC Connector  
50-pin Female  
IDC connector  
Figure 3. C50FF-x cable  
Field wiring, signal termination, and conditioning  
You can use the following cabling, screw termination, and signal conditioning products with the CIO-DIO48H.  
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CIO-TERM100 – 100-pin screw terminal board (daisy-chained 50-pin IDC connectors). 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.  
CIO-MINI50 – 50-pin screw terminal board. Details on this product are available on our web site at  
SSR-RACK24 – 24-channel, solid-state relay mounting rack for digital signal conditioning. Details on this  
product are available on our web site at  
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SSR-RACK48 – 48-channel, solid-state relay mounting rack with quad-format modules. Details on this  
product are available on our web site at  
CIO-ERB24 – 24 Form C relays, 6 Amp relay accessory board for digital signal conditioning. Details on  
this product are available on our web site at  
CIO-ERB48 – 48 Form C relays, 6 Amp, relay, 50-pin accessory board for digital signal conditioning.  
Details on this product are available on our web site at  
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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.  
12  
   
Chapter 3  
Functional Details  
82C55 emulation  
The CIO-DIO48H emulates the 82C55 chip. The 82C55 emulation initializes all ports as inputs on power-up  
and reset. A TTL input is a high impedance input. If you connect another TTL input device to the output, it  
could be turned on or off every time the board is reset.  
To establish a consistent TTL level at power-up, use resistors tied to either +5V (pull-up) or ground (pull-  
down). There are open locations for pull-up and pull-down resistor packs on the board.  
Whenever an 82C55 emulation is powered on or reset, all pins are set to high-impedance input. Based on  
standard TTL functionality, these inputs will typically float high, and may have enough drive current to turn on  
external devices.  
Consequently, if you have output devices such as solid state relays, they may be switched on whenever the  
computer is powered on or reset. To prevent unwanted switching, and to drive all outputs to a known state after  
power on or reset, pull all pins either high or low through a 2.2 K resistor.  
Signal level control  
To safeguard against unwanted signal levels, the devices being controlled by the CIO-DIO48H board should be  
tied low or high as required by a 2.2K resistor. In a 2.2K eight-resistor SIP pack, one side of all of the  
resistors is connected to a single common point and brought out to a pin. The common line, usually marked  
with a dot or line, is at one end of the SIP. The remaining resistor ends are brought out to the other eight pins  
2.2KOhm SIP  
Dot indicates the  
common line  
(LO or HI)  
I/O Lines  
Figure 4. Eight-resistor SIP schematic  
Figure 5 shows a schematic of an SIP installed in both the pull-up and pull-down positions. Each port provides  
10 holes in a line. The end labeled HI connects to +5V. The end marked LO connects to GND. The eight holes  
in the middle (n0 –n7) connect to the eight lines of the port (A, B or C).  
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CIO-DIO48H User's Guide  
Functional Details  
+5 VDC  
+5 VDC  
Dot  
2.2 K SIP  
COM  
2.2 K SIP  
HI  
HI  
n7  
n7  
n6  
n5  
n4  
n6  
n5  
n4  
Digital  
I/O  
Digital  
I/O  
n3  
n2  
n3  
n2  
Port  
Port  
n = A, B, or C  
n = A, B, or C  
n1  
n0  
n1  
n0  
COM  
Dot  
LO  
(GND)  
LO  
(GND)  
2.2 K SIP installed for pull-up  
2.2 K SIP installed for pull-down  
Figure 5. Pull-up and pull-down resistor SIPs schematic  
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. When installing pull-up and pull-down resistor SIP packs, we recommend  
using 2.2K, eight-resistor Single Inline Packages (MCC part number SP-K2.29C). Use a different value only if  
necessary.  
Unconnected inputs float  
Unconnected inputs typically float high, but not reliably. If you are using a CIO-DIO48H for input and have  
unconnected inputs, ignore the data from those lines. You do not have to terminate input lines. Unconnected  
lines will not affect the performance of connected lines. Mask out any unconnected bits in software.  
Digital I/O Isolation  
To provide external signal conditioning and isolation, you can connect the CIO-DIO48H to a CIO-ERB24 or  
SSR-RACK24. The CIO-ERB24 provides 24 Form C electromechanical relays. The SSR-RACK24 is a  
mounting rack for 24 solid-state relays.  
The CIO-DIO48H provides digital I/O in groups of 48 bits. Many relay and solid-state relay (SSR) racks  
provide only 24-bits of digital I/O. You can configure the CIO-ERB24 relay output board and SSR-RACK24  
I/O module rack in a daisy chain configuration to use all of the digital I/O bits provided by the CIO-DIO48H  
board. An example of the daisy chain configuration scheme for each board is shown on page 15.  
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CIO-DIO48H User's Guide  
Functional Details  
CIO-DIO48H  
IN  
OUT  
CIO-ERB24  
or  
SSR-RACK24  
IN  
OUT  
CIO-ERB24  
or  
SSR-RACK24  
Figure 6. CIO-DIO48H to CIO-ERB24 or SSR-RACK24 daisy chain  
The 24 digital I/O bits on pins 25 to 48 (base address +0 through +2) control the first relay board. The  
24 digital I/O bits on pins 1 to 24 control the second relay/SSR board on the daisy chain.  
Use the C50FF-x cable for interconnections. You can also use SSR-RACK48 or the CIO-ERB48 series relay  
boards.  
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Chapter 4  
Programming and Developing Applications  
After following the installation instructions in Chapter 2, your board should now be installed and ready for use.  
In general there may be no correspondence among registers for different boards. Software written at the register  
level for other models will not function correctly with your board.  
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, refer to the Universal Library User's Guide (available on our web site at  
Packaged applications programs  
Many packaged application programs now have drivers for your board. If the package you own does not have  
drivers for your 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:  
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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  
CIO-DIO48, CIO-DIO48H, CIO-DIO96, and CIO-DIO192. This document is available on our website at  
16  
 
Chapter 5  
Specifications  
Typical for 25 °C unless otherwise specified.  
Specifications in italic text are guaranteed by design.  
Digital input/output  
Table 1. DIO specifications  
8255 mode 0 emulation  
Digital type  
ƒ Output: 74S244  
ƒ Input: 74LS373  
Configuration  
Number of channels  
Output high  
4 banks of 8, 4 banks of 4, programmable by bank as input or output  
48 I/O  
2.4 volts min @ -15 mA  
Output low  
0.5 volts max @ 64 mA  
Input high  
2.0 volts min, 7 volts absolute max  
0.8 volts max, -0.5 volts absolute min  
Input mode (high impedance)  
Input low  
Power-up / reset state  
Miscellaneous  
Locations provided for installation of pull-up or pull-down resistors.  
Power consumption  
Table 2. Power consumption specifications  
+5V  
700 mA typical, 1200 mA max  
Environmental  
Table 3. Environmental specifications  
Operating temperature range  
Storage temperature range  
Humidity  
0 to 50 °C  
-40 to +100 °C  
0 to 90% non-condensing  
Main connector and pin out  
Table 4. Connector specifications  
Connector type  
50-pin shrouded male header (P1)  
C50FF-x  
Compatible cables  
Compatible accessory products  
with the C50FF-x  
CIO-TERM100  
CIO-SPADE50  
CIO-MINI50  
SSR-RACK24, SSR-RACK48  
CIO-ERB24, CIO-ERB48  
17  
 
CIO-DIO48H User's Guide  
Specifications  
Table 5. Main connector pin out  
Pin  
50  
48  
46  
44  
42  
40  
38  
36  
34  
32  
30  
28  
26  
24  
22  
20  
18  
16  
14  
12  
10  
8
Signal name  
GND  
Pin  
49  
47  
45  
43  
41  
39  
37  
35  
33  
31  
29  
27  
25  
23  
21  
19  
17  
15  
13  
11  
9
Signal name  
+5V  
FIRSTPORTC Bit 0  
FIRSTPORTC Bit 2  
FIRSTPORTC Bit 4  
FIRSTPORTC Bit 6  
FIRSTPORTB Bit 0  
FIRSTPORTB Bit 2  
FIRSTPORTB Bit 4  
FIRSTPORTB Bit 6  
FIRSTPORTA Bit 0  
FIRSTPORTA Bit 2  
FIRSTPORTA Bit 4  
FIRSTPORTA Bit 6  
SECONDPORTC Bit 0  
SECONDPORTC Bit 2  
SECONDPORTC Bit 4  
SECONDPORTC Bit 6  
SECONDPORTB Bit 0  
SECONDPORTB Bit 2  
SECONDPORTB Bit 4  
SECONDPORTB Bit 6  
SECONDPORTA Bit 0  
SECONDPORTA Bit 2  
SECONDPORTA Bit 4  
SECONDPORTA Bit 6  
FIRSTPORTC Bit 1  
FIRSTPORTC Bit 3  
FIRSTPORTC Bit 5  
FIRSTPORTC Bit 7  
FIRSTPORTB Bit 1  
FIRSTPORTB Bit 3  
FIRSTPORTB Bit 5  
FIRSTPORTB Bit 7  
FIRSTPORTA Bit 1  
FIRSTPORTA Bit 3  
FIRSTPORTA Bit 5  
FIRSTPORTA Bit 7  
SECONDPORTC Bit 1  
SECONDPORTC Bit 3  
SECONDPORTC Bit 5  
SECONDPORTC Bit 7  
SECONDPORTB Bit 1  
SECONDPORTB Bit 3  
SECONDPORTB Bit 5  
SECONDPORTB Bit 7  
SECONDPORTA Bit 1  
SECONDPORTA Bit 3  
SECONDPORTA Bit 5  
SECONDPORTA Bit 7  
7
5
3
1
6
4
2
18  
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  
CIO-DIO48H  
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, EN55022 (1987), EN50082-1  
Emissions: Group 1, Class B  
ƒ
EN55022 (1987): Radiated and Conducted emissions.  
Immunity: EN50082-1  
ƒ
ƒ
ƒ
IEC 801-2 (1987): Electrostatic Discharge immunity, Criteria B.  
IEC 801-3 (1984): Radiated Electromagnetic Field immunity Criteria A.  
IEC 801-4 (1988): Electric Fast Transient Burst immunity Criteria B.  
Declaration of Conformity based on tests conducted by Chomerics Test Services, Woburn, MA 01801, USA in  
December, 1995. Test records are outlined in Chomerics Test Report #EMI0168B.95.  
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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