ABB Relion 670 series - Page 569

PID-3854-OUTPUTSIGNALS v5
Table 300: NS2PTOC (46I2) Output signals
Name Type Description
TRIP BOOLEAN Common trip signal
TRST1 BOOLEAN Trip signal from step 1
TRST2 BOOLEAN Trip signal from step 2
PICKUP BOOLEAN Common start signal
PU_ST1 BOOLEAN Pick up signal from step 1
PU_ST2 BOOLEAN Pick up signal from step 2
ALARM BOOLEAN Alarm signal
NSCURR REAL Negative sequence current in primary amps
8.14.5 Settings
PID-3854-SETTINGS v4
Table 301: NS2PTOC (46I2) Group settings (basic)
Name Values (Range) Unit Step Default Description
Operation Disabled
Enabled
- - Disabled Operation Disabled/Enabled
tAlarm 0.00 - 6000.00 s 0.01 3.00 Time delay for alarm ( operated by pick up
signal) in seconds
OpStep1 Disabled
Enabled
- - Enabled 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
t1Max 0.00 - 6000.00 s 0.01 1000.00 Maximum trip delay for step 1, in sec
ResetMultip1 0.01 - 20.00 - 0.01 1.00 Reset multiplier for K1, defines reset time
of inverse curve
OpStep2 Disabled
Enabled
- - Enabled Enable execution of step 2
I2-2> 3 - 500 %IB 1 10 Negative sequence current level for step 2
in % of IBase
CurveType2 Definite
Inverse
- - Definite Selection of definite or inverse time-
characteri. for step 2
t2 0.00 - 6000.00 s 0.01 10.00 Definite time delay for trip of step 2, in sec
Table continues on next page
1MRK 502 066-UUS B Section 8
Current protection
563
Technical manual