Rockwell Automation 1746-NT4 SLC 500 Thermocouple/mV Input Module Installation Instructions - Manual

Publication 1746-IN010D-EN-P - June 2004
Installation Instructions
SLC™ 500 4-Channel Thermocouple/mV Input
Module
(Catalog Number 1746-NT4, Series B)
Inside…............................................................................................Page
For More Information ............................................................................... 3
Hazardous Location Considerations .........................................................4
Environnements dangereux ..................................................................... 4
Overview ...................................................................................................5
Required Tools and Equipment ................................................................ 6
Electrostatic Damage............................................................................... 7
NT4 Power Requirements ........................................................................ 7
Modular Chassis Considerations ............................................................. 7
Fixed Expansion Chassis Considerations................................................. 8
General Considerations ........................................................................... 8
Terminal Block Removal........................................................................... 8
Module Installation and Removal.......................................................... 10
Terminal Wiring...................................................................................... 11
Thermocouple Junctions........................................................................ 12
Wiring Considerations ........................................................................... 13
Wiring Input Devices to the NT4 ........................................................... 15
Cold-Junction Compensation (CJC) ....................................................... 16
Module Addressing................................................................................ 17
Channel Configuration ........................................................................... 17
Specifications ........................................................................................ 19