373344A-01 October 2002
© 2002 National Instruments Corp. All rights reserved.
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FieldPoint Operating Instructions
FP-TC-120 AND CFP-TC-120
8-Channel Thermocouple Input Modules
These operating instructions describe how to install and use the
National Instruments FP-TC-120 and cFP-TC-120 thermocouple
input modules (referred to inclusively as the [c]FP-TC-120). For
details on configuring and accessing the [c]FP-TC-120 over a
network, refer to the user manual for the FieldPoint network
module you are using.
Features
The [c]FP-TC-120 is a FieldPoint thermocouple input module with
the following features:
• Eight thermocouple or millivolt inputs
• Built-in linearization and cold-junction compensation for eight
thermocouple types: J, K, R, S, T, N, E, and B
• Four voltage ranges: ±25, ±50, ±100, and –20 to 80 mV
• Open-thermocouple detection and indicator LEDs
• 16-bit resolution
• Differential inputs
• Filtering against 50 and 60 Hz noise
• 2,300 V
rms
transient overvoltage protection between the
inter-module communication bus and the I/O channels
•250 V
rms
isolation voltage rating
• –40 to 70 °C operation
• Hot plug-and-play
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