Rockwell Automation 1755-OF8 GuardPLC Controller Systems - Manual (Page 145)

Publication 1753-UM001C-EN-P - March 2010 145
Diagnostics Chapter 15
GuardPLC 2000 Controller
Status Indicators The GuardPLC 2000 controller has status indicators for:
•
module, both the program and the communication.
•
controller and the system hardware.
•
routine.
•
Ethernet communication to the programming terminal.
Controller Indicators
Indicator Status Description
RUN On This is the normal status of the controller (Run or Stop mode).
The controller carries out communication and performs software
tests.
Flashing Downloading an Operating System
Off The controller is in Failure_Stop (see ERR below), or there is no
power supply.
ERR On The controller is in the Failure_Stop state and the execution of
the routine is halted. All system outputs will be reset and the
controller ceases all hardware and software tests.
The operating system loader has found a flash error (FAULT is
blinking).
Flashing The boot loader has found an error in the operating system in the
flash (if all other indicators are ON); the download of a new
operating system is awaited.
Off No errors are detected.
10/100BaseT
Tx COL
FORCE
PROG FAULT
RUN STOP
RUN ERR
1755-
L1