Rockwell Automation Publication 193-UM015D-EN-P - February 2015
207
Protective Trip and Warning Functions
Chapter 6
Under kW Inhibit Time
Under kW Inhibit Time (Parameter 378) allows you to inhibit an under real
power (kW) trip and warning from occurring during the motor starting
sequence. It is adjustable from 0…250 seconds.
Table 252 - Under kW Inhibit Time (Parameter 378)
Over kW Inhibit Time
Over kW Inhibit Time (Parameter 382) allows you to inhibit an over real power
(kW) trip and warning from occurring during the motor starting sequence. It is
adjustable from 0…250 seconds.
Table 253 - Over kW Inhibit Time (Parameter 382)
Under kW Trip
The E300 Electronic Overload Relay trips with an Under kW indication if:
•
No trip currently exists
•
Under kW Trip is enabled
•
Current is present
•
Voltage is present
•
Under kW Inhibit Time has expired
•
The total real power (kW) is less than the Under kW Trip Level for a time
period greater than the Under kW Trip Delay.
If the E300 Electronic Overload Relay trips on an under real power (kW), the:
•
TRIP/WARN LED status indicator flashes a red 2-long / 1-short blink
pattern
•
Bit 0 in Power Trip Status (Parameter 6) sets to 1
•
Bit 0 in Device Status 0 (Parameter 20) sets to 1
Default Value
10
Minimum Value
0
Maximum Value
250
Parameter Type
USINT
Size (Bytes)
1
Scaling Factor
1
Units
Seconds
Default Value
10
Minimum Value
0
Maximum Value
250
Parameter Type
USINT
Size (Bytes)
1
Scaling Factor
1
Units
Seconds
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: ......