ABB Relion 620 Series - Page 459

4.2.5.6 Signals
Table 444: MREFPTOC Input signals
Name Type Default Description
Io SIGNAL 0 Residual current
BLOCK BOOLEAN 0=False Block signal for activating the
blocking mode
Table 445: MREFPTOC Output signals
Name Type Description
OPERATE BOOLEAN Operate
START BOOLEAN Start
ALARM BOOLEAN Alarm
4.2.5.7 Settings
Table 446: MREFPTOC Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operate start value 0.010...2.000 xIn 0.001 0.010 Operate start value
Alarm start value 0.010...2.000 xIn 0.001 0.010 Alarm start value
Operate delay time 40...20000 ms 1 500 Operate delay time
Alarm delay time 40...200000 ms 1 10000 Alarm delay time
Table 447: MREFPTOC Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on
Operation Off / On
Table 448: MREFPTOC Non group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
Alm reset delay
time
0...60000 ms 1 20 Alarm reset delay
time
1MRS757644 H Protection functions
620 series
Technical Manual
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