Allen-Bradley MicroLogix 1200 User Manual

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

Allen-Bradley MicroLogix 1200 Specifications

General

Series	MicroLogix 1200
Type	Programmable Logic Controller (PLC)
Mounting	DIN rail or panel mount
Programming Language	Ladder Logic
Programming Software	RSLogix 500
I/O Points	Up to 40
Communication Ports	RS-232, RS-485
Memory	6 KB user memory
Power Supply	24V DC or 120/240V AC
Expansion	Supports expansion I/O modules
Operating Temperature	0°C to 55°C (32°F to 131°F)
Dimensions	90 mm x 110 mm
Weight	0.5 kg (1.1 lbs)