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Allen-Bradley MicroLogix 1100 User Manual

Allen-Bradley MicroLogix 1100
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Publication 1763-UM001E-EN-P - June 2015
Table of Contents 7
Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Appendix C
Troubleshooting Your System
Understanding the Controller Indicator Status. . . . . . . . . . . . . . . . . . 185
Controller Status LED Indicators. . . . . . . . . . . . . . . . . . . . . . . . . 185
Status Indicators on the LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
I/O Status Indicators on the LCD . . . . . . . . . . . . . . . . . . . . . . . . 187
Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Controller Error Recovery Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Analog Expansion I/O Diagnostics and Troubleshooting . . . . . . . . 190
Module Operation and Channel Operation . . . . . . . . . . . . . . . . . 190
Power-up Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Critical and Non-Critical Errors . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Module Error Definition Table. . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Calling Rockwell Automation for Assistance . . . . . . . . . . . . . . . . . . . 194
Appendix D
Using Control Flash to Upgrade
Your Operating System
Preparing for Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Install ControlFlash Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Prepare the Controller for Updating. . . . . . . . . . . . . . . . . . . . . . . 196
Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Missing/Corrupt OS LED Pattern . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Appendix E
Connecting to Networks via
RS-232/RS-485 Interface
RS-232 Communication Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
RS-485 Communication Interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
DF1 Full-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
DF1 Half-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
DF1 Half-Duplex Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Considerations When Communicating as a DF1 Slave
on a Multi-drop Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Using Modems with MicroLogix™ Programmable Controllers . 203
DH-485 Communication Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
DH-485 Configuration Parameters. . . . . . . . . . . . . . . . . . . . . . . . 205
Devices that use the DH-485 Network . . . . . . . . . . . . . . . . . . . . 206
Important DH-485 Network Planning Considerations . . . . . . . . 206
Example DH-485 Connections. . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Modbus Communication Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
ASCII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

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Allen-Bradley MicroLogix 1100 Specifications

General IconGeneral
Processor32-bit
Programming SoftwareRSLogix 500
MountingDIN rail or panel mount
Power Supply24V DC
TypeCompact PLC
Digital Inputs12
Digital Outputs8
Analog Inputs4 (depending on model)
Analog OutputsOptional with expansion module
Programming LanguageLadder Logic
Operating Temperature0 to 55 °C (32 to 131 °F)
SeriesMicroLogix

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