Allen-Bradley SLC 500

Publication 1746-IN012B-EN-P - May 2001
Installation Instructions
SLC 500™ RTD/Resistance Input Module
(Catalog Number 1746-NR4)
Inside…............................................................................................page
Hazardous Location Considerations ........................................................ 2
Environnements dangereux ..................................................................... 2
Overview .................................................................................................. 3
Required Tools and Equipment ................................................................ 4
Electrostatic Damage............................................................................... 5
NR4 Power Requirements........................................................................ 5
Modular Chassis Considerations............................................................. 5
Fixed Expansion Chassis Considerations................................................. 6
General Considerations ........................................................................... 6
Module Installation and Removal............................................................ 7
Terminal Block Wiring and Removal ........................................................ 8
Wiring Considerations ............................................................................. 9
Wiring Resistance Devices (Potentiometers) to the NR4 Module ........ 12
Wiring Input Devices to the NR4 Module ............................................. 14
Module Addressing................................................................................ 15
Channel Configuration ........................................................................... 16
Specifications ........................................................................................ 18
For More Information............................................................................. 24