National Instruments cFP-RTD-124 User Manual

Fp-rtd-124, And c, Features

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323349A-01

October 2002

© 2002 National Instruments Corp. All rights reserved.

FieldPoint™, National Instruments™, NI™, and ni.com™ are trademarks of National Instruments Corporation.
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FieldPoint Operating Instructions

FP-RTD-124

AND C

FP-RTD-124

Eight-Channel Four-Wire RTD
and Resistance Input Modules

These operating instructions describe how to install and use the
National Instruments FP-RTD-124 and cFP-RTD-124 three-wire
RTD and resistance input modules (referred to inclusively as the
[c]FP-RTD-124). For details on configuring and accessing the
[c]FP-RTD-124 over a network, refer to the user manual for the
FieldPoint network module you are using.

Features

The [c]FP-RTD-124 is a FieldPoint RTD and resistance input
module with the following features:

Inputs for 100

Ω platinum RTDs (resistance temperature

detectors)

Built-in linearization for six TCR (temperature coefficient of
resistance, or alpha) values of RTDs

Direct resistance measurements with a 400

Ω range

Four-wire measurement for high accuracy

16-bit resolution

Filtering against 50 and 60 Hz noise

2,300 V

rms

transient overvoltage protection

–40 to 70 °C operation

Hot plug-and-play

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