Rockwell-automation 592- E300 Overload Relay User Manual Manual de usuario Pagina 219

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Rockwell Automation Publication 193-UM015B-EN-P - June 2014 219
Chapter 7
Metering and Diagnostics
Introduction
The purpose of this chapter is to provide detailed information regarding the
metering and diagnostic information that the E300 Electronic Overload Relay
generates. The metering and diagnostic functions are organized into seven
sections:
Device Monitor
Current Monitor
Voltage Monitor
Power Monitor
Energy Monitor
Trip/ Warn i ng Histo r y
Trip Snap shot
Device Monitor
The E300 Electronic Overload Relay's device monitor diagnostics provides
information on the status of the E300 Electronic Overload Relay which includes:
Thermal overload protection
Trip and warning protection functions
Digital inputs and relay outputs
Operator station
Hardware options
Time and date
Percent Thermal Capacity Utilized
Percent Thermal Capacity Utilized (Parameter 1) reports the calculated percent
thermal capacity utilization of the motor being monitored. When the percent
thermal capacity utilization equals 100%, the E300 Electronic Overload Relay
will issue an overload trip.
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