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CIO-DAS08
Multifunction Analog and Digital I/O board
User's Guide
Document Revision 9, January, 2007
© Copyright 2007, Measurement Computing Corporation
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Your new Measurement Computing product comes with a fantastic extra —
Management committed to your satisfaction!
Refer to www.mccdaq.com/execteam.html for the names, titles, and contact information of each key executive at Measurement
Computing.
Thank you for choosing a Measurement Computing product—and congratulations! You own the finest, and you can now enjoy
the protection of the most comprehensive warranties and unmatched phone tech support. It’s the embodiment of our mission:
To provide PC-based data acquisition hardware and software that will save time and save money.
Simple installations minimize the time between setting up your system and actually making measurements. We offer quick and
simple access to outstanding live FREE technical support to help integrate MCC products into a DAQ system.
Lifetime warranty: Every hardware product manufactured by Measurement Computing Corporation is warranted against
defects in materials or workmanship for the life of the product. Products found defective are repaired or replaced promptly.
Lifetime Harsh Environment Warranty®: We will replace any product manufactured by Measurement Computing
Corporation that is damaged (even due to misuse) for only 50% of the current list price. I/O boards face some tough operating
conditions, some more severe than the boards are designed to withstand. When a board becomes damaged, just return the unit
with an order for its replacement at only 50% of the current list price. We don’t need to profit from your misfortune. By the way,
we honor this warranty for any manufacturer’s board that we have a replacement for.
30 Day Money Back Guarantee: You may return any Measurement Computing Corporation product within 30 days of
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These warranties are in lieu of all other warranties, expressed or implied, including any implied warranty of merchantability or
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Measurement Computing Corporation, nor its employees shall be liable for any direct or indirect, special, incidental or
consequential damage arising from the use of its products, even if Measurement Computing Corporation has been notified in
advance of the possibility of such damages.
HM CIO-DAS08.doc
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Trademark and Copyright Information
TracerDAQ, Universal Library, 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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Notice
Measurement Computing Corporation does not authorize any Measurement Computing Corporation product for use
in life support systems and/or devices without prior written consent from Measurement Computing Corporation.
Life support devices/systems are devices or systems which, a) are intended for surgical implantation into the body,
or b) support or sustain life and whose failure to perform can be reasonably expected to result in injury.
Measurement Computing Corporation products are not designed with the components required, and are not subject
to the testing required to ensure a level of reliability suitable for the treatment and diagnosis of people.
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Table of Contents
Preface
About this User’s Guide .......................................................................................................................6
What you will learn from this user’s guide.........................................................................................................6
Conventions in this user’s guide.........................................................................................................................6
Where to find more information.........................................................................................................................6
Chapter 1
Introducing the CIO-DAS08..................................................................................................................7
Overview: CIO-DAS08 features.........................................................................................................................7
Software features................................................................................................................................................7
Chapter 2
Installing the CIO-DAS08......................................................................................................................8
What comes with your CIO-DAS08 shipment?..................................................................................................8
Hardware .......................................................................................................................................................................... 8
Optional components ........................................................................................................................................................ 8
Additional documentation................................................................................................................................................. 8
Configuring the CIO-DAS08..............................................................................................................................9
Base address.....................................................................................................................................................................10
Interrupt level...................................................................................................................................................................11
Clock source ....................................................................................................................................................................11
Analog input range...........................................................................................................................................................12
Installing the CIO-DAS08 ................................................................................................................................12
Connecting the board for I/O operations ..........................................................................................................13
Connectors, cables – I/O connectors................................................................................................................................13
Cabling.............................................................................................................................................................................14
Field wiring, signal termination, and conditioning ..........................................................................................................15
Chapter 3
Programming and Developing Applications ....................................................................................16
Programming languages ...................................................................................................................................16
Packaged applications programs.......................................................................................................................16
Register-level programming .............................................................................................................................16
Chapter 4
Specifications......................................................................................................................................17
Analog input .....................................................................................................................................................17
Digital Input / Output .......................................................................................................................................17
Counters............................................................................................................................................................18
Power consumption ..........................................................................................................................................18
Environmental ..................................................................................................................................................18
Main connectors and pin out.............................................................................................................................19
Analog connector J1 pin out ............................................................................................................................................19
Digital connector J2 pin out.............................................................................................................................................19
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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-DAS08 so that you get the most out of its
analog input and 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 helpful information relevant to the operation of the CIO-DAS08.
MCC's Specifications: CIO-DAS08 (the PDF version of the Specifications chapter in this guide) is available
on our web site at www.mccdaq.com/pdfs/CIO-DAS08.pdf
MCC's Quick Start Guide is available on our web site at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf.
MCC's Guide to Signal Connections is available on our web site at
www.mccdaq.com/signals/signals.pdf
MCC's Universal Library User's Guide is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf
MCC's Universal Library Function Reference is available on our web site at
www.mccdaq.com/PDFmanuals/sm-ul-functions.pdf
MCC's Universal Library for LabVIEW
www.mccdaq.com/PDFmanuals/SM-UL-LabVIEW.pdf
CIO-DAS08 User's Guide (this document) is also available on our web site at
www.mccdaq.com/PDFmanuals/CIO-DAS08.pdf.
.
™
User’s Guide is available on our web site at
.
.
.
.
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Chapter 1
Introducing the CIO-DAS08
Overview: CIO-DAS08 features
The CIO-DAS08 is a multifunction analog and digital I/O board supported under popular Microsoft® Windows®
operating systems.
The CIO-DAS08 provides eight single-ended channels of 12-bit analog input, three 16-bit down counter
channels, three digital input, four digital output, and 24 digital I/O lines.
The analog input range and polarity are selectable with an on-board switch. Bipolar input ranges are ±10 V and
±5 V. The Unipolar input range is 0 to +10 V.
You select the base address with onboard dip switches. The interrupt level and pacer source are jumperselectable. You can set the pacer source to use the internal PC clock or an external clock.
The CIO-DAS08 has a 37-pin analog connector and an onboard 37-pin digital connector.
Four digital output bits and three digital input bits are provided on the board's main connector. A 37-pin
connector mounted on the board provides 24 digital I/O bits based on the 82C55 specification. The 24 bits are
configured as two eight-bit ports and two four-bit ports. Each of these ports may be individually programmed as
input or output.
Software features
For information on the features of InstaCal and the other software included with your CIO-DAS08, refer to the
Quick Start Guide that shipped with your device. The Quick Start Guide is also available in PDF at
www.mccdaq.com/PDFmanuals/DAQ-Software-Quick-Start.pdf.
Check www.mccdaq.com/download.htm for the latest software version.
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Installing the CIO-DAS08
What comes with your CIO-DAS08 shipment?
The following items are shipped with the CIO-DAS08.
Hardware
CIO-DAS08
Chapter 2
Optional components
You can also order the following MCC products to use with your CIO-DAS08.
Cables
C37FF-x
Signal termination and conditioning accessories
MCC provides signal conditioning and termination products for use with the CIO-DAS08. Refer to Field
wiring, signal termination, and conditioning on page 15 for a complete list of compatible accessory
products.
BP-37
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-DAS08 and information regarding installation of that software. Please
read this booklet completely before installing any software or hardware.
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CIO-DAS08 User's Guide Installing the CIO-DAS08
Configuring the CIO-DAS08
The CIO-DAS08 has two sets of switches and two jumpers that should be set before installing the board in the
PC. Mounted on the board is a bank of DIP switches for setting the base address, a jumper for setting the
interrupt level and a jumper for setting the pacer source to either the internal PC Clock source or an external
clock. A bank of four switches on the connector bracket is used for setting the analog input range.
The InstaCal calibration and test program included with the CIO-DAS08 will show you how to configure the
board. Run InstaCal before you open your computer and install the board.
The location of each switch and jumper on the CIO-DAS08 is shown in . Figure 1
Analog
Input
Range
switches
Clock
Source
jumper
Digital
connector
J2
Analog
Analog
connector
connector
J1
Base Address
switches
Figure 1. Switch and jumper locations
Interrupt Level
jumper
The CIO-DAS08 is shipped with the factory-default settings listed in the table below.
Factory-configured default settings
Switch/jumper Description Default setting
Base address DIP switches Sets the base address 300h (768 decimal)
Interrupt level jumper Sets the interrupt level "X" position (no interrupt level set)
Clock source jumper
Analog input range and gain Sets the analog input range and gain
Sets the pacer source as the internal PC clock or
an external clock
"24/NC" position (external source)
±5V
Review the following information to change the default configuration of a jumper or switch.
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CIO-DAS08 User's Guide Installing the CIO-DAS08
Base address
Before you install the CIO-DAS08 in your computer, set the base address by using the dip switches labeled
ADDRESS located on the board. The easiest way to set the base address switch is to let InstaCal show you the
correct settings. However, if are already familiar with setting ISA base addresses, you may use the base address
switch description below to guide your base address selection.
Unless there is already another board in your system using address 300 hex (768 decimal), leave the switches as
they are set at the factory. The example shown in shows the settings for the factory-default base
address of 300 hex.
9876
Figure 2. Base address switches (300h shown)
Figure 2
543
ADDRESS
SW
A9
A8
A7
A6
A5
A4
A3
HEX
200
100
80
40
20
10
08
In the default configuration shown in , addresses 9 and 8 are DOWN, and all others are UP.
Figure 2
Address 9 = 200 hex (512 decimal) and address 8 = 100 hex (256 decimal); when added together they equal
300 hex (768 decimal).
A complete address is constructed by calculating the hexadecimal number which corresponds to all the address
bits the CIO-DAS08 can respond to. The range of base addresses is 000h to 3F0h. Certain address are used by
the PC, others are free and may be used by the CIO-DAS08 and other expansion boards. Refer to the following
table.
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 Addresses
Hex Range Function Hex Range Function
000-00F 8237 DMA #1 2C0-2CF EGA
020-021 8259 PIC #1 2D0-2DF EGA
040-043 8253 TIMER 2E0-2E7 GPIB (AT)
060-063 8255 PPI (XT) 2E8-2EF SERIAL PORT
060-064 8742 CONTROLLER (AT) 2F8-2FF SERIAL PORT
070-071 CMOS RAM & NMI MASK (AT) 300-30F PROTOTYPE CARD
080-08F DMA PAGE REGISTERS 310-31F PROTOTYPE CARD
0A0-0A1 8259 PIC #2 (AT) 320-32F HARD DISK (XT)
0A0-0AF NMI MASK (XT) 378-37F PARALLEL PRINTER
0C0-0DF 8237 #2 (AT) 380-38F SDLC
0F0-0FF 80287 NUMERIC CO-P (AT) 3B0-3BB SDLC
1F0-1FF HARD DISK (AT) 3BC-3BF MDA
200-20F GAME CONTROL 3C0-3CF PARALLEL PRINTER
210-21F EXPANSION UNIT (XT) 3C0-3CF EGA
238-23B BUS MOUSE 3D0-3DF CGA
23C-23F ALT BUS MOUSE 3E8-3EF SERIAL PORT
270-27F PARALLEL PRINTER 3F0-3F7 FLOPPY DISK
2B0-2BF EGA 3F8-3FF SERIAL PORT
The CIO-DAS08 base switch can be set for an address in the span of 000-3F0h, so it should not be hard to find
a free address area. If you are not using IBM prototyping cards, or some other board which occupies these
addresses, then 300-31F HEX are free to use. Addresses not specifically listed — such as 390-39Fh — are free.
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CIO-DAS08 User's Guide Installing the CIO-DAS08
2
7
X
Interrupt level
Set the interrupt jumper only if your software requires it. If you do set the interrupt jumper, check your PC's
current configuration for interrupt conflicts. Do not use IR2 in PC/AT class machines (or higher).
Use the jumper block labeled
INT above the PC bus interface (gold pins) to set the interrupt. The board is
shipped with the jumper in the "X" position, which means that no interrupt level is set ( ). Figure 3
3456
INT
Figure 3. Interrupt level select jumper (no interrupt level set)
To pace conversions through hardware (either the on-board pacer or an external clock), move this jumper to
another position. The CIO-DAS08 can use interrupt levels 2 through 7. Refer to the following table for some
typical interrupt assignments on a computer. The levels most often available are 5 and 7.
Hardware interrupt assignments
Name Description Name Description
NMI Parity IRQ8 Real Time Clock (AT)
IRQ0 Timer IRQ9 RE-directed to IRQ2
(AT)
IRQ1 Keyboard IRQ10 Unassigned
IRQ2 Reserved (XT) IRQ11 Unassigned
INT 8-15 (AT)
IRQ3 COM OR SDLC IRQ12 Unassigned
IRQ4 COM OR SDLC IRQ13 80287 MUNERIC CO-P
IRQ5 Hard Disk (XT) IRQ14 Hard Disk
LPT (AT)
IRQ6 Floppy Disk IRQ15 Unassigned
IRQ7 LPT
Note: IRQ8-15 are AT only
Clock source
With revision 4 and higher hardware, you can use the on-board pacer clock to trigger A/D conversions by
setting the clock source jumper (labeled
(pin 6) to the interrupt input (pin 24). By default, this jumper is configured as not connected (NC). Refer to
. Figure 4
Figure 4. Clock source jumper (default setting)
Note
: to pace conversions with the on-board pacer, you must also select a hardware interrupt by configuring the
interrupt level select jumper (discussed above).
J on the board) to the 6/24 position. This setting routes the pacer output
6
24
NC
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CIO-DAS08 User's Guide Installing the CIO-DAS08
Analog input range
Configure the signal polarity and the analog input range setting using the four dip switches accessible through
the CIO-DAS08 connector bracket ( ). These switches set the input range for the analog inputs. Figure 5
Available bipolar input ranges are ±10 V and ±5 V. The Unipolar input range is 0 to +10 V.
RANGE SELECT SWITCHES
S4
S3
S2
S1
+/- 5 Volt Range Shown
Figure 5. Range select switches
The CIO-DAS08 is shipped with the analog input range configured for ±5 volts. To change the range, refer to
Figure 5
and the table below to determine the correct positions of switches S1 through S4 for the range and gain
you want to set. You do not have to turn off the PC power or disconnect signals to change these switch settings.
Range Switch Settings
Range S1 S2 S3 S4 Gain Resolution
±5 V Left Right Left Right 1 2.44 mV / bit
±10 V Right Left Left Right 0.5 4.88 mV / bit
0-10 V Left Right Right Left 1 2.44 mV / bit
Positions other than those shown in the table are not valid.
Installing the CIO-DAS08
After configuring the board, install the CIO-DAS08 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.
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CIO-DAS08 User's Guide Installing the CIO-DAS08
Connecting the board for I/O operations
Connectors, cables – I/O connectors
The table below lists the board connector, applicable cables, and compatible accessory products.
Board connector, cables, and accessory equipment
Connector type
Analog connector (J1): 37-pin male "D" connector
Digital connector (J2): 37-pin male "D" connector
Compatible cables with analog connector J1 C37FF-x
C37-FFS-x
Compatible cables with digital connector J2 BP-37
Compatible accessory products with the
C37FF-x cable, C37FFS-x cable, and the
BP-37 cable
CIO-MINI37
CIO-TERMINAL
CIO-SPADE50
CIO-EXP16
CIO-EXP32
Pin out – Analog connector (J1)
The analog connector (J1) is a 37-pin, type D connector that is accessible from the rear of the PC through the
expansion backplate (see ). Figure 6
Range
S4
S3
S2
S1
+10V Ref 19
LLGND 18
LLGND 17
LLGND 16
LLGND 15
LLGND 14
LLGND 13
LLGND 12
Dig Common 11
Digital Out 4 10
Digital Out 3 9
Digital Out 2 8
Digital Out 1 7
Counter 2 Out 6
Counter 1 Out 5
Counter 1 In 4
Counter 0 Out 3
Counter 0 In 2
+12V PC Bus 1
37 CH0 High
36 CH1 High
35 CH2 High
34 CH3 High
33 CH4 High
32 CH5 High
31 CH6 High
30 CH7 High
29 +5V
28 Dig. GND
27 Digital In 3
26 Digital In 2
25 Digital In 1
24 Interrupt Input
23 Gate 2
22 Gate 1
21 Gate 0
20 -12V PC bus
Figure 6. 37-pin analog connector
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CIO-DAS08 User's Guide Installing the CIO-DAS08
Pin out – Digital connector (J2)
The digital connector (J2) is a 37-pin, type D connector that is mounted on the CIO-DAS08 board (see
). This connector is identical to the CIO-DIO24 connector, except that the Interrupt Input and Interrupt Enable
7
Figure
pins are not provided. These are no-connect pins (NC) on the CIO-DAS08. The CIO-DAS08 has an interrupt
input pin at pin 24 on the analog connector J1.
GND 19
+5V 18
GND 17
+12V 16
GND 15
-12V 14
GND 13
-5V 12
FIRSTPORTB Bit 0
FIRSTPORTB Bit 1
FIRSTPORTB Bit 2
FIRSTPORTB Bit 3
FIRSTPORTB Bit 4
FIRSTPORTB Bit 5
FIRSTPORTB Bit 6
FIRSTPORTB Bit 7 3
GND 11
NC 2
NC 1
Figure 7. 37-pin digital connector
10
9
8
7
6
5
4
FIRSTPORTA Bit 0
37
FIRSTPORTA Bit 1
36
FIRSTPORTA Bit 2
35
FIRSTPORTA Bit 3
34
FIRSTPORTA Bit 4
33
FIRSTPORTA Bit 5
32
FIRSTPORTA Bit 6
31
FIRSTPORTA Bit 7
30
FIRSTPORTC Bit 0
29
FIRSTPORTC Bit 1
28
FIRSTPORTC Bit 2
27
FIRSTPORTC Bit 3
26
FIRSTPORTC Bit 4
25
FIRSTPORTC Bit 5
24
FIRSTPORTC Bit 6
23
FIRSTPORTC Bit 7
22
21 GND
20 +5V
Use a BP-37 backplate and cable assembly to bring signals from the digital connector to the backplate. BP-37
terminates with a 37-pin male backplate connector. You can run a standard C37FF-2 cable alongside the analog
connector (J1) through the gap in the expansion slot backplate.
Cabling
37
19
37
The red stripe
20
37
1
Figure 8. C37FF-x cable
19
identifies pin # 1
20
37
19
1
19
20
1
20
1
Figure 9. C37FFS-x cable
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CIO-DAS08 User's Guide Installing the CIO-DAS08
37
19
19
37
The red stripe
20
1
identifies pin # 1
Figure 10. BP-37 cable
1
20
Field wiring, signal termination, and conditioning
You can use the following screw termination and signal conditioning products with the C37FF-x or C37FFS
cable.
CIO-MINI37 – 37-pin screw terminal board. Details on this product are available on our web site at
www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=102&pf_id=255.
CIO-TERMINAL – 37-pin screw terminal board with on-board prototyping area. Details on this product are
available on our web site at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=102&pf_id=282.
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
BP-37 – Backplate with 37-pin male connector/cable. Details on this product are available on our web site
at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=103&pf_id=1.
CIO-EXP16 – 16-channel analog multiplexer board with on-board CJC sensor. Details on this product are
available on our web site at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=126&pf_id=249.
CIO-EXP32 – 32-channel analog multiplexer board with an on-board CJC sensor and 2 gain amps. Details
are available on our web site at www.mccdaq.com/cbicatalog/cbiproduct.asp?dept_id=126&pf_id=250.
Information on signal connections
General information regarding signal connection and configuration is available in the Guide to Signal
Connections (available at www.mccdaq.com/signals/signals.pdf).
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Chapter 3
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 Basic
site at www.mccdaq.com/PDFmanuals/sm-ul-user-guide.pdf
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:
or any other language, please refer to the Universal Library User's Guide (available on our web
).
Phone: 508-946-5100 and follow the instructions for reaching Tech Support.
Fax: 508-946-9500 to the attention of Tech Support
Email: techsupport@mccdaq.com
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-DAS08.
This document is available on our website at www.mccdaq.com/registermaps/RegMapCIO-DAS08.pdf
.
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Specifications
Typical for 25 °C unless otherwise specified.
Specifications in italic text are guaranteed by design.
Analog input
Table 1. Analog input specifications
Parameter Specification
A/D converter type AD574
Resolution 12-bits
Number of channels 8 single-ended
Input ranges ±10 V, ±5 V, 0 to +10 V, switch selectable
Polarity Unipolar/Bipolar, switch selectable
A/D pacing Software polled (typically through ISR paced by on-board counter)
A/D trigger sources External polled digital input trigger (Digital In 1)
Data transfer Software polled (typically through ISR paced by on-board counter)
DMA None
A/D conversion time 25 µs
Throughput 20 kHz, PC dependent
Accuracy ±0.01% of reading ±1 LSB
Differential linearity error ±1 LSB
Integral linearity error ±0.5 LSB
No missing codes guaranteed 12-bits
Gain drift (A/D specs) ±25 ppm/°C
Zero drift (A/D specs) ±10 µV/°C
Common Mode Range ±10 V
CMRR 72 dB
Input leakage current (@ 25 °C)
Input impedance 10 Meg Ohms min
Absolute maximum input voltage ±35 V
Noise Distribution (Rate = 1 to 20 kHz)
100 nA
Avg % ± 2 bins Avg % ± 1 bin Avg # bins
Bipolar (10 V) 100% 100% 3 bins
Bipolar (5 V) 100% 100% 3 bins
Unipolar (10 V) 100% 100% 3 bins
Chapter 4
Digital Input / Output
Table 2. Digital input/output specifications (main connector – J1)
Digital type (main connector J1) Output: 74LS273
Input: 74LS244
Configuration 4 fixed output bits, 3 fixed input bits
Number of channels 4 out, 3 in
Output high 2.7 volts min @ -0.4 mA
Output low 0.4 volts max @ 8 mA
Input high 2.0 volts min, 7 volts absolute max
Input low 0.8 volts max, -0.5 volts absolute min
Output power-up / reset state
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CIO-DAS08 User's Guide Specifications
Table 3. Digital input/output specifications (digital connector – J2)
Digital type (digital I/O connector J2) 82C55
Configuration 2 banks of 8, 2 banks of 4, programmable by bank as input or output
Number of channels 24 I/O
Output high 3.0 volts min @ -2.5 mA
Output low 0.4 volts max @ 2.5 mA
Input high 2.0 volts min, 5.5 volts absolute max
Input low 0.8 volts max, -0.5 volts absolute min
Power-up / reset state Input mode (high impedance)
Table 4. Interrupt specifications
Interrupts 2 - 7, jumper selectable
Interrupt enable Programmable
Interrupt sources External (Interrupt In), rising edge; on-board counter, jumper selectable
Counters
Table 5. Counter specifications
Counter type 82C54
Configuration 3 down counters, 16-bits each
Counter 0 — Independent, user
configurable
Counter 1 — Independent, user
configurable
Counter 2 — Independent, user
configurable
Clock input frequency 10 MHz max
High pulse width (clock input) 30 ns min
Low pulse width (clock input) 50 ns min
Gate width high 50 ns min
Gate width low 50 ns min
Input low voltage 0.8 V max
Input high voltage 2.0 V min
Output low voltage 0.4 V max
Output high voltage 3.0 V min
Source: User connector (Counter 0 In)
Gate: User connector (Gate 0)
Output: User connector (Counter 0 Out)
Source: User connector (Counter 1 In)
Gate: User connector (Gate 1)
Output: User connector (Counter 1 Out)
Source: PC SysClk via divide by 2 circuit
Gate: User connector (Gate 2)
Output: User connector (Counter 2 Out)
Power consumption
Table 6. Power consumption specifications
Parameter Specification
+5V 250 mA typical, 312 mA max
+12V 15 mA typical, 21 mA max
-12V 25 mA typical, 35 mA max
Environmental
Table 7. Environmental specifications
Operating temperature range 0 to 50 ° C
Storage temperature range -20 to 70 ° C
Humidity 0 to 90% non-condensing
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CIO-DAS08 User's Guide Specifications
Main connectors and pin out
Table 8. Connector specifications
Connector type
Compatible cables with analog connector J1 C37FF-x
Compatible cables with digital connector J2 BP-37
Compatible accessory products with the
C37FF-x cable, C37FFS-x cable, and the
BP-37 cable
Analog connector J1 pin out
Table 9. Analog connector J1 pin out
Pin Signal Name Pin Signal Name
1 +12V PC Bus 20 -12V PC Bus
2 Counter 0 In 21 Gate 0
3 Counter 0 Out 22 Gate 1
4 Counter 1 In 23 Gate 3
5 Counter 1 Out 24 Interrupt Input
6 Counter 2 Out 25 Digital In 1
7 Digital Out 1 26 Digital In 2
8 Digital Out 2 27 Digital In 3
9 Digital Out 3 28 Dig GND
10 Digital Out 4 29 +5V
11 Dig Common 30 CH7 High
12 LLGND 31 CH6 High
13 LLGND 32 CH5 High
14 LLGND 33 CH4 High
15 LLGND 34 CH3 High
16 LLGND 35 CH2 High
17 LLGND 36 CH1 High
18 LLGND 37 CH0 High
19 +10V Ref
Analog connector (J1): 37-pin male "D" connector
Digital connector (J2): 37-pin male "D" connector
C37-FFS-x
CIO-MINI37
CIO-TERMINAL
CIO-SPADE50
CIO-EXP16
CIO-EXP32
Digital connector J2 pin out
Table 10. Digital connector J2 pin out
Pin Signal Name Pin Signal Name
1 NC 20 +5V
2 NC 21 GND
3 FIRSPORTB Bit 7 22 FIRSPORTC Bit 7
4 FIRSPORTB Bit 6 23 FIRSPORTC Bit 6
5 FIRSPORTB Bit 5 24 FIRSPORTC Bit 5
6 FIRSPORTB Bit 4 25 FIRSPORTC Bit 4
7 FIRSPORTB Bit 3 26 FIRSPORTC Bit 3
8 FIRSPORTB Bit 2 27 FIRSPORTC Bit 2
9 FIRSPORTB Bit 1 28 FIRSPORTC Bit 1
10 FIRSPORTB Bit 0 29 FIRSPORTC Bit 0
11 GND 30 FIRSPORTA Bit 7
12 -5V 31 FIRSPORTA Bit 6
13 GND 32 FIRSPORTA Bit 5
14 -12V 33 FIRSPORTA Bit 4
15 GND 34 FIRSPORTA Bit 3
16 +12V 35 FIRSPORTA Bit 2
17 GND 36 FIRSPORTA Bit 1
18 +5V 37 FIRSPORTA Bit 0
19 GND
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Page 20
Declaration of Conformity
Manufacturer: surement Computing Corporation Mea
Address: 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-DAS08
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
EN55022 (1987): Radiated and Conducted emissions.
Immunity: EN50082-1
IEC 801-2 (1987): Electrostatic Discharge immunity, Criteria A.
IEC 801-3 (1984): Radiated Electromagnetic Field immunity Criteria A.
IEC 801-4 (1988): Electric Fast Transient Burst immunity Criteria A.
Declaration of Conformity based on tests conducted by Chomerics Test Services, Woburn, MA 01801, USA in
November, 1995. Test records are outlined in Chomerics Test Report #EMI0168A.95.
We hereby declare that the equipment specified conforms to the above Directives and Standards.
Carl Haapaoja, Director of Quality Assurance
Page 21
Measurement Computing Corporation
10 Commerce Way
Suite 1008
Norton, Massachusetts 02766
(508) 946-5100
Fax: (508) 946-9500
E-mail: info@mccdaq.com
www.mccdaq.com
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