COLPTOC Input signals
Table 1055: COLPTOC Input signals
Name Type Default Description
I3P SIGNAL - Three-phase currents
BLOCK BOOLEAN 0=False Block signal for acti-
vating the blocking
mode
CB_CLOSED BOOLEAN 0=False Input showing the
status of capacitor
circuit breaker
COLPTOC Output signals
Table 1056: COLPTOC Output signals
Name Type Description
OPR_OVLOD BOOLEAN Overload operated
OPR_UN_I BOOLEAN Operate under current
ST_OVLOD BOOLEAN Overload started
ST_UN_I BOOLEAN Under current started
ALARM BOOLEAN Alarm
BLK_CLOSE BOOLEAN Inhibit re-close of capacitor
bank
4.12.1.8 COLPTOC Settings
Table 1057: COLPTOC Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Start value over-
load
0.30...1.50 xIn 0.01 1.00 Start value for over-
load stage
Alarm start value 80...120 % 1 105 Alarm start value
(% of Start value
overload)
Start value Un Cur 0.10...0.70 xIn 0.01 0.50 Start value for un-
der current opera-
tion
Time multiplier 0.05...2.00 0.01 1.00 Time multiplier for
Capacitor Bank
protection curves
Alarm delay time 500...6000000 ms 100 300000 Alarm delay time
Un Cur delay time 100...120000 ms 100 1000 Delay time for un-
der current opera-
tion
Table 1058: COLPTOC Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Reclose inhibit time 1...6000 s 1 1 Reclose inhibit time
1MRS759142 F Protection functions
REX640
Technical Manual
1117
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