Measurement CIO-DAS801 User Manual

CIO-DAS801

Analog Input and Digital I/O

User's Guide

Document Revision 1, March, 2010

© Copyright 2010, Measurement Computing Corporation

HM CIO-DAS801.doc

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3

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4

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-DAS801 ................................................................................................................ 7

Overview: CIO-DAS801 features ...................................................................................................................... 7

Software features ................................................................................................................................................ 7

Chapter 2

Installing the CIO-DAS801 .................................................................................................................... 8

What comes with your CIO-DAS801 shipment? ............................................................................................... 8

Hardware .......................................................................................................................................................................... 8

Additional documentation .................................................................................................................................. 8

Optional components .......................................................................................................................................... 8

Unpacking the CIO-DAS801 ............................................................................................................................. 9

Installing the software ........................................................................................................................................ 9

Configuring the CIO-DAS801 ........................................................................................................................... 9

Base address switch .......................................................................................................................................................... 9

Input configuration ..........................................................................................................................................................10

Interrupt level ..................................................................................................................................................................12

Wait state jumper .............................................................................................................................................................12

Installing the CIO-DAS801 .............................................................................................................................. 13

Connecting the board for I/O operations .......................................................................................................... 13

Connectors, cables – main I/O connector ........................................................................................................................13

Field wiring, signal termination, and conditioning ..........................................................................................................14

Chapter 3

Functional Details ............................................................................................................................... 15

Analog inputs ................................................................................................................................................... 15

Single-ended inputs..........................................................................................................................................................15

Floating differential .........................................................................................................................................................15

Fully differential ..............................................................................................................................................................15

Digital inputs and outputs ................................................................................................................................. 16

Counter/timer circuit ......................................................................................................................................... 16

Chapter 4

Specifications ...................................................................................................................................... 18

Analog input ..................................................................................................................................................... 18

Digital input/output .......................................................................................................................................... 19

Counters ............................................................................................................................................................ 19

Power consumption .......................................................................................................................................... 20

Environmental .................................................................................................................................................. 20

Main connector and pin out .............................................................................................................................. 20

Declaration of Conformity .................................................................................................................. 21

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-DAS801 board 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

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

For additional information relevant to the operation of your hardware, refer to the Documents subdirectory
where you installed the MCC DAQ software (C:\Program Files\Measurement Computing\DAQ by default), or
search for your device on our website at www.mccdaq.com.

If you need to program at the register level in your application, refer to the Register Map for the CIO-DAS801
and CIO-DAS802. This document is available on our website at www.mccdaq.com/registermaps/RegMapCIO-

DAS801-802.pdf.

6

Chapter 1

Introducing the CIO-DAS801

Overview: CIO-DAS801 features

The CIO-DAS801 provides eight channels of 12-bit analog input, seven digital I/O, and three 16-bit down
counters.

You can configure each analog channel for differential or single-ended input using a bank of on-board
switches.

Input ranges are software-selectable as either bipolar or unipolar.

 Bipolar: ±10 V, ±5 V, ±1 V, ±0.5 V, ±0.1 V, ±0.05 V, ±0.01 V, and ±0.005 V
 Unipolar: 0 to 10 V, 0 to 1 V, 0 to 0.1 V, and 0 to 0.01 V

The digital channels are TTL level. Three digital channels are configured as inputs, and four channels are
configured as outputs. The DOUT1 through DOUT4 can be used to control external EXP boards. DIN1 can be
used to trigger and gate A/D conversions.

The CIO-DAS801 provides a 50 kHz sample rate.

You can set an interrupt level for the CIO-DAS801, and enable a wait state generator with on-board jumpers.

Software features

For information on the features of InstaCal and the other software included with your CIO-DAS801, refer to
the Quick Start Guide that shipped with your device.

7

Installing the CIO-DAS801

What comes with your CIO-DAS801 shipment?

The following items are shipped with the CIO-DAS801.

Hardware

 CIO-DAS801

Chapter 2

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-DAS801 and information regarding installation of that software.
Please read this booklet completely before installing any software or hardware.

Optional components

You can also order the following MCC product to use with your CIO-DAS801.

 C37FF-x cable

 Signal termination and conditioning accessories

MCC provides signal conditioning and termination products for use with the CIO-DAS801. Refer to Field

wiring, signal termination, and conditioning on page 14 for a complete list of compatible accessory

products.

8

CIO-DAS801 User's Guide Installing the CIO-DAS801

Switch/jumper description

Default setting

Base address DIP switch

300h (768 decimal)

Input configuration DIP switch

Differential

Interrupt level select jumper

X (no interrupt level set)

Wait State jumper to enable a wait state

Off (disabled)

Unpacking the CIO-DAS801

As with any electronic device, you should take care while handling to avoid damage from static
electricity. Before removing the CIO-DAS801 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: [phone] and follow the instructions for reaching Tech Support.
 Fax: [phone] to the attention of Tech Support
 Email: [e-mail]

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-

Quick-Start.pdf.

Configuring the CIO-DAS801

The CIO-DAS801 has one base address switch, one input configuration switch, one interrupt level jumper, and
one wait state jumper which you must set before installing the board in your computer. The InstaCal calibration
and test program included with the CIO-DAS801 will show you how to set the switches. Run InstaCal before
you open your computer and install the board. The CIO-DAS801 is shipped with the factory-default settings
listed below.

Factory-configured default settings

Before installing the CIO-DAS801, verify that the board is configured with the settings that you want. Review
the following information to change the default configuration of a jumper or switch on the CIO-DAS801 board.

Base address switch

Before you install the CIO-DAS801 in your computer, set the base address by using the dip switch 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 Figure 1 shows the settings for the factory-default base
address of 300 hex.

9

CIO-DAS801 User's Guide Installing the CIO-DAS801

5

4

3

6

9

8

7

SW
A9
A8
A7
A6
A5
A4
A3

HEX
200
100
80
40
20
10
08

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)

3A0-3AF

SDLC

1F0-1FF

Hard disk (AT)

3B0-3BB

MDA

200-20F

Game control

3BC-3BB

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

Figure 1. Base address switches

In the default configuration shown in Figure 1, 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).

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

Input configuration

You can configure each analog channel for differential or single-ended input. You can set the input of each
channel using the bank of switches labeled S2 (0 through 7) on the board. These switches correspond to
channels 0 to 7 of the analog inputs.

The switches are set by default for differential input. Differential inputs are 3-wire analog hookups consisting
of a signal high, signal low and chassis ground. The benefits of differential inputs are the ability to reject noise
which affects both signal high and low, and the ability to compensate for ground loops or potentials between
signal low and chassis ground.

Although differential inputs are often preferable to single ended inputs, the floating nature of a differential
input can make getting an accurate reading difficult. In those cases, the CIO-DAS801 inputs can be converted
to single-ended or modified differential.

10

CIO-DAS801 User's Guide Installing the CIO-DAS801

0
N

4

5

6

3

0

1

2

7

S2

To A/D
Circuit

CH0 HI

CH0 LO

Low Level Ground

(LLGND)Switch for
Differential = Open
Single Ended = Closed

To A/D
Circuit

CH0 HI

CH0 LO

Low Level Ground

(LLGND)
Resistor SIP

Differential = RN2 Open
Single Ended = RN2 Installed

The CIO-EXP16 and CIO-EXP32 were designed to interface to a single-ended input. Failure to set the switches
to single-ended when an EXP is connected results in floating, unstable readings from the EXP.

There are two ways to configure the analog inputs:
 Set the bank of eight DIP switches on the jumper block labeled S2 located near the I/O connector.

Position the switches in the OFF position (down) to configure the input for differential mode (default).
Position the switches in the ON position (up) to configure the input for single-ended mode.

Figure 2. Input configuration jumpers

Figure 3 shows one analog input and the single-ended / differential switch.

 You can also install an SIP resistor pack at position RN2 to convert the inputs to single-ended.

This package of 10K resistors provides a reference to ground for each of the eight Low Input lines. This
type of input behaves like a single-ended input since there is a reference to ground and floating sources
may be measured.

Figure 4 shows one analog input line with the SIP resistor installed. When the SIP resistor package is
installed, all eight analog inputs are single-ended.

Note: If you are using an EXP board with the CIO-DAS801, do not install the SIP resistor. Set the input

configuration switch to single-ended for both the EXP channel and the CJC channel.

Figure 3. Input configuration switch

Figure 4. Analog input configuration

11

CIO-DAS801 User's Guide Installing the CIO-DAS801

IR

2 3 4 5 6 7 X

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)
INT 8-15 (AT)

IRQ11

Unassigned
IRQ3

COM OR SDLC

IRQ12

Unassigned

IRQ4

COM OR SDLC

IRQ13

80287 Numeric CO-P

IRQ5

Hard Disk (XT)
LPT (AT)

IRQ14

Hard Disk
IRQ6

Floppy Disk

IRQ15

Unassigned

IRQ7

LPT

Note: IRQ8-15 are AT only

ON OFF

WS1

Interrupt level

In order to take advantage of high speed transfers, you must provide the board with an interrupt that is not used
by other devices in your computer. Use the jumper block labeled IR (above the PC bus interface) to select an
interrupt level between 2 and 7, or to disable interrupts (X). By default, the board is shipped with no interrupt
level set (the jumper is in the 'X' position). Figure 5 shows the interrupt level set for IRQ 5.

Figure 5. Interrupt level select jumper

Set the interrupt level jumper if your software requires it. The Universal Library and other programs which take
advantage of the REP-INSW high speed transfer capability of the board require an interrupt. If you set the
interrupt jumper, check your PC's current configuration for interrupt conflicts. Refer to the table below for
typical IRQ assignments.

IRQ assignments

Wait state jumper

Enable the wait state jumper if you have a computer with an I/O bus transfer rate which is too fast for the CIO­DAS801, or if the board fails sporadically in random ways.

To enable the wait state, set the jumper labeled WS1 to the ON position. Enabling the wait state causes the
personal computer's bus transfer rate to slow down whenever the CIO-DAS801 is written to or read from. This
jumper is shown in Figure 6 configured for OFF (wait state is disabled).

The wait state generator on the CIO-DAS801 is only active when the CIO-DAS801 is being accessed. Your PC
will not be slowed down in general by using the wait state.

Figure 6. Wait State jumper

12

CIO-DAS801 User's Guide Installing the CIO-DAS801

Connector type

37-pin D type connector

Compatible cable

C37FF-x

Compatible accessory products with
the C37FF-x cable

CIO-MINI37
CIO-EXP16
CIO-EXP32
CIO-TERMINAL
ISO-RACK08

Connector type

37-pin D type connector

Installing the CIO-DAS801

After you configure the board's switches and jumpers, you can install the CIO-DAS801 into your computer. 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 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.

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

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).

Pinout – main I/O connector

The CIO-DAS801 I/O connector is a standard 37-pin male D connector that is accessible from the rear of the
computer through the expansion backplate.

13

CIO-DAS801 User's Guide Installing the CIO-DAS801

37 CH0 HI
36
35
34
33
32
31
30
29 PC +5
28 DGND
27 DIN3
26 DIN2
25 DIN1 / Trig
24 IR Input / XCLK
23 CTR2 Gate
22 CTR1 Gate
21 CTR0 Gate
20 -15V From DC/DC

CH1 HI
CH2 HI
CH3 HI
CH4 HI
CH6 HI
CH7 HI
CH8 HI

CH0 LO 19
CH1 LO 18
CH2 LO 17
CH3 LO 16
CH4 LO 15

14
13
12

LLGND 11

DOUT4 10

3 9

2 8

1 7
CTR2 Out 6
CTR1 Out 5

CTR1 In 4

CTR0 Out 3

CTR0 In 2

CH5 LO
CH6 LO
CH7 LO

DOUT
DOUT
DOUT

Figure 7. I/O connector pin-out

Field wiring, signal termination, and conditioning

You can use the following cabling, screw termination, and signal conditioning products with the CIO-DAS801.

 CIO-MINI37 – 37-pin screw terminal board.
 CIO-TERMINAL – 37-pin screw terminal board with on-board prototyping area.

Details on these products are available on our web site at

www.mccdaq.com/products/screw_terminal_bnc.aspx.

 CIO-EXP16 – 16-channel analog multiplexer board with on-board CJC sensor.
 CIO-EXP32 – 32-channel analog multiplexer board with on-board CJC sensor and 2 Gain amps.
 ISO-RACK08 – Isolated 8-channel, 5B module rack for analog signal conditioning and expansion.

Details on these products are available on our web site at www.mccdaq.com/products/signal_conditioning.aspx.

14

Chapter 3

Functional Details

Analog inputs

Analog inputs on the CIO-DAS801 are designed to accept voltage signals for measurement.

The analog inputs may be configured in three different ways:

 True differential inputs; for sources with a separate ground, common to the PC.
 Pseudo-differential inputs used for floating sources has noise rejection capability
 Single ended inputs; also used for floating sources.

Caution! Using a voltmeter, measure the AC and DC voltage between the ground signal at the signal source

and the PC. Place the red probe on the PC ground and the black probe on the signal ground. If
there is more than 10 volts, do not connect the CIO-DAS801 to this signal source because you
will not be able to make any reading. If there is more than 30 volts, DO NOT connect this signal
to the board because it will damage the board and possibly the computer.
Use great care when measuring any voltage. Voltages over 30 V can be dangerous to your health.

Single-ended inputs

A single ended input is two wires connected to the CIO-DAS801; a channel high (CH# HI) and a Low level
ground (LLGND). The LLGND signal must be the same ground the PC is on. The CH# HI is the signal
voltage. Single-ended mode is selected via switch S2 on the board (refer to Input configuration on page 10 for
more information.)

Floating differential

A floating differential input is two wires from the signal source and a 10K ground reference resistor installed at
the CIO-DAS801 input. The two signals from the signal source are Signal High (CH# HI) and Signal Low
(CH# LO). The reference resistor is connected between the CIO-DAS801 CH# LO and LLGND pins. This is
accomplished with the installation of the SIP resistor pack.

A floating differential hookup is handy when the signal source is floating with respect to ground, such as a
battery, 4-20 mA transmitter or if the lead lengths are long or subject to EMI interference. The floating
differential input will reject up to 10 V of EMI on the signal wires.

Caution! Verify that the signal source really floating. Check it with an ohmmeter before risking the CIO-

DAS801 and the PC.

Fully differential

A differential signal has three wires from the signal source. The signals are Signal High (CH# HI), Signal Low
(CH# LO) and Signal Ground (LLGND).

A differential connection allows you to connect the CIO-DAS801 to a signal source with a ground that is
different than the PC ground, but less than 10 V difference, and still make a true measurement of the signal
between CH# HI and CH# LO.

Example: A laboratory instrument with its own wall plug. There are sometimes voltage differences in wall
GND between outlets.

15

CIO-DAS801 User's Guide Functional Details

Digital inputs and outputs

All the digital inputs and outputs on the CIO-DAS801 are TTL level. TTL is an electronics industry term, short
for Transistor Transistor Logic, with describes a standard for digital signals which are either at TTL low or
TTL high; levels which are detected by all other TTL devices.

The CIO-DAS801 has three digital inputs and four digital outputs. The digital inputs are buffered by a register
on the board. Each time the register is read, the current high/low state of the digital I/O lines is obtained. The
digital outputs are controlled by a register on the board and are updated each time the register is written to. The
lines are pulled high so a logical-one is read if no signal is connected to an input.

The digital lines also are used to control external EXP boards (all four outputs) and to trigger and gate A/D
conversions (DIn 1).

Counter/timer circuit

The CIO-DAS801 has an 82C54 counter timer which can be used to perform the following tasks:

 Pace analog conversions
 Measure frequency
 Count events
 Time intervals

The software to support the timer is in the Universal Library. The connections to the hardware are explained
here. For detailed information on the 82C54 registers, refer to the 82C54 data sheet at

www.mccdaq.com/PDFmanuals/82C54.pdf.

The 82C54 contains three 16-bit counters (CTR0, CTR1, and CTR2). CTR1 and CTR2 are dedicated to the
pacing of analog to digital conversions. CTR1 and CTR2 are available for other tasks when not in use by the
A/D, but are limited to some extent by the wiring and access to I/O pins. CTR0 is available for your use.

Figure 8 shows the connections to the counters. It also shows the 82C54 functions, I/O pins and how these are
connected on the CIO-DAS801.

16

CIO-DAS801 User's Guide Functional Details

Figure 8. Counter/timer circuit

17

Parameter

Specification

A/D converter type

AD674A, successive approximation

Resolution

12-bits

Number of channels

8

Input ranges

±10 V, ±5 V , ±1 V, ±0.5 V , ±0.1 V, ±0.05 V, ±0.01 V , ±0.005 V,
0 to 10 V, 0 to 1 V, 0 to 0.1 V, 0 to 0.01 V, fully programmable

Polarity

Unipolar/Bipolar programmable

A/D pacing

Programmable: internal counter or external source (IR Input / XCLK, falling
edge) or software polled

A/D trigger sources

External hardware (DIN1 / Trig, rising edge)

Data transfer

Interrupt or software polled from 256 sample FIFO buffer

Channel configuration

Differential (or pseudo-differential with installation of a SIP resistor) or
single-ended, switch selectable for each channel

DMA

None

A/D conversion time

20 µs

Throughput

50 kHz

Accuracy

±0.01% of full scale ±1 LSB typ, ±0.05% of full scale ±1 LSB max

Differential linearity error

±0.5 LSB max

Integral linearity error

±1 LSB

No missing codes (guaranteed)

12-bits

Gain drift (A/D specs)

±50 ppm/°C

Zero drift (A/D specs)

±10 ppm/°C

Common mode range

±10 V

CMRR @ 60 Hz

Gain = 1 70 dB min
Gain = 10 90 dB min
Gain ≥ 100 100 dB min

Input leakage current (@ 25 C)

± 30 nA

Input leakage current (over temperature)

±250 nA

Input impedance

>1 Gohm typical

Absolute maximum input voltage

±35 V

Noise distribution (results presented as Average % ±2 bins, Average % ±1 bin, Average # bins):

Bipolar

10 V, 5 V, 1 V 100% / 100% / 3 bins

0.5 V, 0.1 V 100% / 99.3% / 4 bins

0.05 V 100% / 99.1% / 5 bins

0.01 V 95.2% / 79.8% / 11 bins

0.005 V 72% / 48.3% / 21 bins

Specifications

All specifications are subject to change without notice.
Typical for 25°C unless otherwise specified.
Specifications in italic text are guaranteed by design.

Analog input

Table 1. Analog input specifications

Chapter 4

18

CIO-DAS801 User's Guide Specifications

Parameter

Specification

Unipolar

10 V 100% / 99.96% / 4 bins
1 V 100% / 99.59% / 4 bins

0.1 V 99.95% / 98.73% / 6 bins

0.01 V 72.8% / 49% / 24 bins

Digital type

FPGA

Configuration

Two ports, 3 input and 4 output

Input low voltage

0.8 V max

Input high voltage

2.0 V min

Output low voltage (IOL = 4 mA)

0.32 V max

Output high voltage (IOH = -4 mA)

3.86 V min

Absolute maximum input voltage

-0.5 V, +5.5 V

Interrupts

Jumper selectable: levels 2, 3, 4, 5, 6, 7 or not connected
Positive edge triggered

Interrupt enable

Programmable

Interrupt sources

External (IR Input / XCLK), A/D End-of-conversion, A/D FIFO-half-full

Counter type

82C54

Configuration

3 down counters, 16-bits resolution

Counter 0 — Independent, user counter

Source: External, user connector (CTR0 In)
Gate: External, user connector (CTR0 Gate)
Output: User connector (CTR0 Out)

Counter 1 — ADC Pacer Lower Divider
or independent user counter

Source: User connector (CTR1 In) and optionally CTR2 Out,

selectable by software
Gate: Programmable, disabled or user connector (CTR1 Gate)
Output: User connector (CTR1 Out) and optionally to A/D start

convert, software selectable

Counter 2 — ADC Pacer Upper Divider

Source: Internal 1 MHz oscillator
Gate: Programmable, disabled or user connector (CTR2 Gate)
Output: User connector (CTR2 Out) and optionally to CTR1 In,

software selectable

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

Crystal oscillator

Frequency: 10 MHz
Frequency accuracy: 100 ppm

Digital input/output

Table 2. Digital I/O specifications

Counters

Table 3. Counter specifications

19

CIO-DAS801 User's Guide Specifications

+5 V quiescent

500 mA typical, 750 mA max

Operating temperature range

0 to 50 °C

Storage temperature range

-20 to 70 °C

Humidity

0 to 90% non-condensing

Connector type

37-pin D type connector

Compatible cable

C37FF-x

Compatible accessory products with the
C37FF-x cable

CIO-MINI37
CIO-EXP16
CIO-EXP32
CIO-TERMINAL
ISO-RACK08

Pin

Signal Name

Pin

Signal Name

1

+15V from DC/DC

20

-15V from DC/DC

2

CTR0 In

21

CTR0 Gate

3

CTR0 Out

22

CTR1 Gate

4

CTR1 In

23

CTR2 Gate

5

CTR1 Out

24

IR Input / XCLK

6

CTR2 Out

25

DIN1 / Trig

7

DOUT1

26

DIN2

8

DOUT2

27

DIN3

9

DOUT3

28

DGND

10

DOUT4

29

PC +5V

11

LLGND

30

CH7 HI

12

CH7 LO

31

CH6 HI

13

CH6 LO

32

CH5 HI

14

CH5 LO

33

CH4 HI

15

CH4 LO

34

CH3 HI

16

CH3 LO

35

CH2 HI

17

CH2 LO

36

CH1 HI

18

CH1 LO

37

CH0 HI

19

CH0 LO

Power consumption

Table 4. Power consumption specifications

Environmental

Table 5. Environmental specifications

Main connector and pin out

Table 6. Main connector specifications

Table 7. Connector pin out

20

Declaration of Conformity

Manufacturer: Measurement Computing Corporation
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-DAS801

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

Measurement Computing Corporation

10 Commerce Way

Suite 1008

Norton, Massachusetts 02766

[phone]

Fax: [phone]

E-mail: [e-mail]

www.mccdaq.com