Rockwell Automation Publication 1756-UM542A-EN-P - September 2014 35
Appendix B
1756HP-TIME Module Status
The display on the front of the 1756HP-TIME module provides status indicators
and status messages.
Status Indicators
The 1756HP-TIME module provides three status indicators on the display.
Topic Page
Status Indicators 35
Status Messages 36
Status Indicators Description
PPS
This indicator is toggled every second for 100 ms at the exact PPS.
Green = the module is locked on the time source.
Red = the module is not locked on the time source.
When the module is set to be an IRIG-IN or sl
ave clock, this indicator is toggled every
time a reference frame is received.
SYNC
Green = the module is locked on the time source.
Red = the module is not locked on the time source.
OK
Green = the module has started successfully.
Red = the module has a hardware fault.
Allen-Bradley Motors
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