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Status Indicators
Indicator
State
24V DC
On
Off
RUN
On
Flashing
Off
ERROR
On
Off
PROGress
On
Flashing
Off
FORCE
On
Flashing
Off
FAULT
On
Flashing
Off
OSL
Flashing
BL
Flashing
Module status can be interrogated through the programming software. For more information, refer to the
GuardPLC System User Manual, publication 1753-UM001.
Description
24V DC operating voltage present.
No operating voltage.
This is the normal status of the controller.
A routine, which has been loaded into the controller, is executed.
The controller processes input and output signals, carries out communication, and
performs hardware and software tests.
The controller is in STOP mode and is not executing a routine.
All system outputs are reset.
STOP mode can be triggered by setting the Emergency stop system variable to TRUE
in the routine, or by direct command from the programming software.
The controller is in ERROR_STOP mode (see ERROR).
•
A hardware error has been detected by the controller. The controller goes to
ERROR_STOP mode and the execution of the routine is halted. Hardware errors
are errors in the controller, errors in one or more of the digital input and output
modules, or errors in the counters.
•
A software error in the operating system has been detected by the controller.
•
The watchdog has reported an error due to exceeded cycle time.
All system outputs will be reset and the controller ceases all hardware and
software tests. The controller can only be restarted by a command from the
programming software.
No errors are detected.
The upload of a new controller configuration is in progress.
The upload of a new operating system into the nonvolatile ROM is in progress.
No upload of controller configuration or operating system in progress.
The controller is executing a routine (RUN) and FORCE mode is activated by the user.
The controller is in STOP mode, but Forcing has been initiated and will be activated
when the controller is started.
Forcing is OFF.
•
The routine (logic) has caused an error.
•
The controller configuration is faulty.
•
The upload of a new operating system was not successful and the operating
system is corrupted.
An error has occurred during a nonvolatile ROM write cycle.
One or more I/O errors have occurred.
None of the above errors has occurred.
Emergency Operating System Loader is active.
Boot Loader unable to load operating system or unable to start COMM operating
system loader.
Rockwell Automation Publication 1753-IN003C-EN-P - June 2010
GuardPLC Digital Input/Output Module
13
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