ABB Relion 620 Series - Page 608

Name Type Default Description
ID_C REAL 0. 0 Differential current
amplitude (DFT)
phase C
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
Table 533: MHZPDIF Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
4.3.6.9 Settings
Table 534: MHZPDIF Group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operate value 0.5...50.0 %In 0.1 0.5 Operate value, per-
centage of the
nominal current
Minimum operate
time
20...300000 ms 10 20 Minimum operate
time
Table 535: MHZPDIF Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on
Operation Off / On
Table 536: MHZPDIF Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 0 Reset delay time
4.3.6.10 Monitored data
Table 537: MHZPDIF Monitored data
Name
Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start time / op-
erate time
ID_A FLOAT32 0.00...80.00 xln Differential current
phase A
ID_B FLOAT32 0.00...80.00 xln Differential current
phase B
Table continues on the next page
Protection functions 1MRS757644 H
608 620 series
Technical Manual