Spectrum Controls 1756sc-IF8u User Manual
Page 9
Table of Contents
Preface
v
Who Should Use This Guide ................................................................................... v
What This Guide Covers .......................................................................................... v
Related Allen-Bradley Documents ........................................................................... v
Table A. Related Allen-Bradley documents ............................................................. v
Terms & Abbreviations You Should Know ............................................................. vi
Module Overview
1
General Description .................................................................................................. 1
Detailed Specifications ............................................................................................. 2
Hardware Features .................................................................................................... 3
Diagnostic LEDs ....................................................................................................... 4
System Overview ...................................................................................................... 4
System Operation ..................................................................................................... 5
Module Operation .................................................................................................... 5
Compatibility with Thermocouple, Current, and Millivolt Devices & Cables ......... 6
Installing And Wiring
Your Module
9
Electrostatic Damage ................................................................................................ 9
Power Requirements ............................................................................................... 10
Table 2.1 Maximum current drawn by the module ................................................. 10
Module Installation and Removal .......................................................................... 10
Figure 2.1 Module insertion into a rack ................................................................ 13
Figure 2.2 Terminal block diagram with keying ..................................................... 14
Wiring Your Module .............................................................................................. 14
Preparing and Wiring the Cables ........................................................................... 15
Terminal Block Layout ............................................................................................ 16
Wiring Voltage/Current Inputs the IF8u Module ................................................... 17
Wiring RTD or Resistance Sensors to the IF8u Module ....................................... 18
Wiring Thermocouples to the IF8u Module .......................................................... 20
Operation Within the
ControlLogix
System
23
Ownership and Connections .................................................................................. 23
Using RSNetWorx and RSLogix 5000 ..................................................................... 23
Direct Connections ................................................................................................. 24
Module Operation .................................................................................................. 24
Modules in a Local Chassis ................................................................................... 25
Requested Packet Interval (RPI) ............................................................................ 25
Modules in a Remote Chassis ................................................................................ 26
Listen-Only Mode .................................................................................................. 27
Multiple Owners of Input Modules ....................................................................... 27
Configuration Changes in an Input Module with Multiple Owners ...................... 28
Programming Your
Module
29
Module Installation ................................................................................................ 29
Adding Your Module to a Project .......................................................................... 29
Configuring module attributes: Configuration Tags .............................................. 34