Allen-Bradley MicroLogix 1200 - Page 7

Publication 1762-UM001D-EN-P - March 2004
Table of Contents iii
Safety Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Installing and Attaching the AIC+ . . . . . . . . . . . . . . . . . 4-18
Powering the AIC+. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
DeviceNet Communications. . . . . . . . . . . . . . . . . . . . . . . . 4-20
Cable Selection Guide . . . . . . . . . . . . . . . . . . . . . . . . . 4-20
Chapter 5
Using Trim Pots
Trim Pot Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Trim Pot Information Function File . . . . . . . . . . . . . . . . 5-2
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Chapter 6
Using Real-Time Clock and
Memory Modules
Real-Time Clock Operation . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Removal/Insertion Under Power. . . . . . . . . . . . . . . . . . 6-1
Writing Data to the Real-Time Clock. . . . . . . . . . . . . . . 6-2
RTC Battery Operation . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Memory Module Operation . . . . . . . . . . . . . . . . . . . . . . . . 6-3
User Program and Data Back-up. . . . . . . . . . . . . . . . . . 6-3
Program Compare . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
Data File Download Protection. . . . . . . . . . . . . . . . . . . 6-4
Memory Module Write Protection . . . . . . . . . . . . . . . . . 6-4
Removal/Insertion Under Power. . . . . . . . . . . . . . . . . . 6-4
Appendix A
Specifications
Controller Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Expansion I/O Specifications . . . . . . . . . . . . . . . . . . . . . . . A-6
Discrete I/O Modules. . . . . . . . . . . . . . . . . . . . . . . . . . A-6
Analog Modules. . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-12
Appendix B
Replacement Parts
MicroLogix 1200 Replacement Kits. . . . . . . . . . . . . . . . . . . B-1
Controller 40-Point Replacement Terminal Blocks . . . . . B-1
1762 Expansion I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Expansion I/O Replacement Doors. . . . . . . . . . . . . . . . B-2
Expansion I/O Replacement DIN Latches . . . . . . . . . . . B-2
Expansion I/O Replacement Door Labels . . . . . . . . . . . B-2
Appendix C
Troubleshooting Your System
Understanding the Controller LED Status . . . . . . . . . . . . . . C-1
Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-2
Controller Error Recovery Model . . . . . . . . . . . . . . . . . . . . C-3
Analog Expansion I/O Diagnostics and Troubleshooting. . . C-4
Module Operation and Channel Operation . . . . . . . . . . C-4