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Rockwell Automation Publication 193-UM015D-EN-P - February 2015
Chapter 6
Protective Trip and Warning Functions
Table 296 - Under Power Factor Leading Warn Level (Parameter 421)
Over Power Factor Leading Trip
The E300 Electronic Overload Relay trips with an Over Power Factor Leading
indication if:
•
No trip currently exists
•
Over Power Factor Leading Trip is enabled
•
Current is present
•
Voltage is present
•
Over Power Factor Leading Inhibit Time has expired
•
The total power factor leading is greater than the Over Power Factor
Leading Trip Level for a time period greater than the Over Power Factor
Leading Trip Delay.
If the E300 Electronic Overload Relay trips on an over power factor leading, the:
•
TRIP/WARN LED status indicator flashes a red 2-long / 12-short blink
pattern
•
Bit 11 in Power Trip Status (Parameter 6) sets to 1
•
Bit 0 in Device Status 0 (Parameter 20) sets to 1
•
Any relay outputs configured as a Trip Relay open
•
Any relay outputs configured as a Control Relay open
•
Any relay outputs configured as a Trip Alarm close
•
Any relay outputs configured as a Normal Relay are placed in their
Protection Fault state (if so programmed)
Default Value
95
Minimum Value
100
Maximum Value
0
Parameter Type
USINT
Size (Bytes)
1
Scaling Factor
1
Units
%
IMPORTANT
The Under Power Factor Leading Warning function does not include a time
delay feature. Once the Under Power Factor Leading Inhibit Time has expired,
the Under Power Factor Leading Warning indication is instantaneous.
Summary of Contents for Allen-Bradley E300
Page 1: ...E300 Electronic Overload Relay Bul 193 592 User Manual...
Page 128: ...128 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 5 Operating Modes...
Page 304: ...304 Rockwell Automation Publication 193 UM015D EN P February 2015 Chapter 7 Commands Notes...
Page 502: ...502 Rockwell Automation Publication193 UM015D EN P November 2013 Appendix B Parameter List...
Page 545: ......