ABB REG670 - Signals

8.12.4 Signals
Table 229: NS2PTOC Input signals
Name
Type Default Description
I3P GROUP
SIGNAL
- Group connection for neg seq.
BLOCK BOOLEAN 0 Block of function
BLKST1 BOOLEAN 0 Block of step 1
BLKST2 BOOLEAN 0 Block of step 2
BLKTR BOOLEAN 0 Block of trip signals
Table 230: NS2PTOC Output signals
Name Type Description
TRIP BOOLEAN Common trip signal
TR1 BOOLEAN Trip signal from step 1
TR2 BOOLEAN Trip signal from step 2
START BOOLEAN Common start signal
ST1 BOOLEAN Start signal from step 1
ST2 BOOLEAN Start signal from step 2
ALARM BOOLEAN Alarm signal
NSCURR REAL Negative sequence current in primary amps
8.12.5 Settings
Table 231: NS2PTOC Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
tAlarm 0.00 - 6000.00 s 0.01 3.00 Time delay for Alarm (operated by START
signal), in sec
OpStep1 Off
On
- - On Enable execution of step 1
I2-1> 3 - 500 %IB 1 10 Negative sequence current level for step 1
in % of IBase
CurveType1 Definite
Inverse
- - Definite Selection of definite or inverse time-
characteri. for step 1
t1 0.00 - 6000.00 s 0.01 10.00 Definite time delay for trip of step 1, in sec
tResetDef1 0.000 - 60.000 s 0.001 0.000 Time delay for reset of definite timer of
step 1, in sec
K1 1.0 - 99.0 s 0.1 10.0 Neg. seq. capability value of generator for
step 1, in sec
t1Min 0.000 - 60.000 s 0.001 5.000 Minimum operate time for inverse curves
for step 1
Table continues on next page
1MRK502052-UEN B Section 8
Current protection
437
Technical manual