Allen-Bradley MicroLogix 1400 User Manual

Rockwell Automation Publication 1766-UM001I-EN-P - June 2015 185
Troubleshooting Your System Appendix C
Identify the error code and
description.
Refer to page 206 for
probable cause and
recommended action.
Clear Fault.
Correct the condition
causing the fault.
Return controller to RUN or
any of the REM test modes.
Test and verify system
operation.
Refer to page 206 for
probable cause and
recommended action.
Is the Fault
LED on?
Is the RUN
LED on?
Is the Power
LED on?
Are the wire
connections tight?
Tighten wire connections.
Does the
controller have
power supplied?
Check power.
Refer to page 206 for
probable cause and
recommended action.
Is an input LED
accurately showing
status?
Refer to page 206 for
probably cause and
recommended action.
Is the error
hardware related?
Start
No
No
No
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
End
Yes

Allen-Bradley MicroLogix 1400 Specifications

General

Processor	32-bit
Expansion Modules	Up to 7 expansion I/O modules
Power Supply	24V DC or 120/240V AC
Programming Software	RSLogix 500
Communication Ports	Ethernet, RS-232/RS-485 combo port
Controller Type	Programmable Logic Controller (PLC)
Series	MicroLogix
Digital Outputs	12
Analog Inputs	6 (embedded)
Analog Outputs	2 (embedded)
High-Speed Counter	6 high-speed counters
Pulse Output	2 (embedded)
Ethernet Port	Yes