Measurement-computing CIO-EXP32 Manuel d'utilisateur télécharger pdf (Page 8)

Chapter 1

Introducing the CIO-EXP32

Overview: CIO-EXP32 features

The CIO-EXP32 is a 32-channel signal conditioning accessory board supported under popular Microsoft

Windows

operating systems.

The CIO-EXP32 is used to expand the number of analog inputs and the range of amplification of DAS08 and

DAS16 series boards. Using multiple CIO-EXP32 boards, a 16 channel A/D board can be expanded to up to

256 inputs; an 8 channel A/D board can be expanded to up to 128 inputs.

The CIO-EXP32 board has two banks of 16 differential inputs that are multiplexed into one single-ended output

channel. Four digital inputs are controlled by the A/D board's digital outputs, and are used to select one of the

multiplexed channels for output. An on-board semiconductor sensor provides a cold junction compensation

(CJC) reference for thermocouple applications.

You select one channel on the A/D board to send the multiplexed analog output to. In addition, you can output

the CJC signal to a second A/D board channel. You can enable an input filter, ground reference, and open

thermocouple detect options for each channel using on-board solder gap switches. You specify the gain of the

multiplexer with an onboard gain switch.

You can power the CIO-EXP32 internally from the A/D board, or externally from the computer's +5 V power

supply connectors.

The CIO-EXP32 board is mounted externally to the PC. It can be placed in the open on a benchtop or in a case.

Software features

For information on the features of InstaCal and the other software included with your CIO-EXP32, 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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Measurement-computing CIO-EXP32 Manuel d'utilisateur Page 8