Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 204

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204 Rockwell Automation Publication 193-UM015B-EN-P - June 2014
Chapter 5 Protective Trip and Warning Functions
Table 207 - Operating Time (Parameter 28)
Hardware Fault
The E300 Electronic Overload Relay continuously monitors the status of the
Control, Sensing, and Communication Modules. The E300 Electronic Overload
Relay will issue a hardware fault trip if there is an issue with the Control, Sensing,
and Communications Modules or if one of the modules is missing or
incompatible. The Hardware Fault Trip is always enabled.
The E300 Electronic Overload Relay will trip with a hardware fault trip
indication if:
No trip currently exists
Hardware Fault Trip is enabled
An issue exists between the Control Module, Sensing Module, and/or
Comm
unication Module
If the E300 Electronic Overload Relay trips on a hardware fault trip, the
foll
owing will occur:
The TRIP/WARN LED will flash a red 3-long / 7-short blink pattern
Bit 6 in Control Trip Status (Parameter 7) will set to 1
Bit 0 in Device Status 0 (Parameter 20) will set to 1
Any relay outputs configured as a Trip Relay will open
Any relay outputs configured as a Control Relay will open
Any relay outputs configured as a Trip Alarm will close
Any relay outputs configured as a Normal Relay will be placed in their
P
r
otection Fault state (if so programmed)
Default Value 0
Minimum Value 0
Maximum Value 65535
Parameter Type UINT
Size (Bytes) 2
Scaling Factor 1
Units Hours
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