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Allen-Bradley MicroLogix 1400 User Manual

Allen-Bradley MicroLogix 1400
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Rockwell Automation Publication 1766-UM001I-EN-P - June 2015 ix
Table of Contents
Appendix B
Replacement Parts
MicroLogix 1400 Replacement Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Lithium Battery (1747-BA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Battery Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Transportation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Appendix C
Troubleshooting Your System
Understanding the Controller Status Indicators . . . . . . . . . . . . . . . . . . . 181
Controller Status LED Indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Status Indicators on the LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
I/O Status Indicators on the LCD . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Normal Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Error Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Controller Error Recovery Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Analog Expansion I/O Diagnostics and Troubleshooting. . . . . . . . . . . 186
Module Operation and Channel Operation . . . . . . . . . . . . . . . . . . . 186
Power-up Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Critical and Non-Critical Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Module Error Definition Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Calling Rockwell Automation for Assistance . . . . . . . . . . . . . . . . . . . . . . 189
Appendix D
Using ControlFLASH to Upgrade
Your Operating System
Preparing for Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Install ControlFLASH Software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Prepare the Controller for Firmware Upgrade . . . . . . . . . . . . . . . . . 192
Using ControlFLASH for Firmware Upgrade . . . . . . . . . . . . . . . . . . . . . 193
ControlFLASH Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Missing or Corrupt OS state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205
Recovering from Missing or Corrupt OS State . . . . . . . . . . . . . . . . . 206
Appendix E
Connecting to Networks via RS-
232/RS-485 Interface
RS-232 Communication Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
RS-485 Communication Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
DF1 Full-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
DF1 Half-Duplex Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
DF1 Half-Duplex Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Considerations When Communicating as a DF1 Slave
on a Multi-drop Link . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Using Modems with MicroLogix Programmable Controllers . . . . 210
DH-485 Communication Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

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Allen-Bradley MicroLogix 1400 Specifications

General IconGeneral
Processor32-bit
Expansion ModulesUp to 7 expansion I/O modules
Power Supply24V DC or 120/240V AC
Programming SoftwareRSLogix 500
Communication PortsEthernet, RS-232/RS-485 combo port
Controller TypeProgrammable Logic Controller (PLC)
SeriesMicroLogix
Digital Outputs12
Analog Inputs6 (embedded)
Analog Outputs2 (embedded)
High-Speed Counter6 high-speed counters
Pulse Output2 (embedded)
Ethernet PortYes

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