109
Screens
Manufacturer’s Screen
R-K Electronics
DPM v0.0.00
Average Voltage Screen
Default – the default screen shows the real time voltage detected in each of the 3 phases:
Voltage Selection Screen (Vertical Format) Default = 460V, 3Ø
Over/Under voltage Percentage Screen (Vertical Format) Default = 10%
Trip Time Delay Screen (Vertical Format) Default = 5 sec
Re-Start Time Delay Screen (Vertical Format) Default = 2 sec
Phase Imbalance Percentage Screen (Vertical Format) Default = 5%
Fault Screen (Vertical Format)
“0” most recent faults, “1” previous fault “2” third oldest fault & “3” fourth oldest fault.
Fault Words:
(There is no voltage sensed on 3-L1/S)
(Average line voltage is less than selected Undervoltage Percentage)
(Average line voltage is more than selected Overvoltage Percentage)
(One phase is lower than the average voltage by more than the Imbalance
percentage)
(One phase is more than 30% below the Line Voltage selection)
(The phase rotation sequence is reversed)
(Line frequency out of allowable range of 45 to 65 Hz)