Chapter 1
Introducing the CIO-EXP16
Overview: CIO-EXP16 features
The CIO-EXP16 is a 16-channel signal conditioning accessory board supported under popular Microsoft
®
Windows
®
operating systems.
The CIO-EXP16 is used to expand the number of analog inputs and the range of amplification of DAS08 and
DAS16 series boards. Using multiple CIO-EXP16 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-EXP16 board has 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-EXP16 internally from the A/D board, or externally from the computer's +5 V power
supply connectors.
The CIO-EXP16 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
Insta
Cal and the other software included with your CIO-EXP16, 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
for the latest software version.
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