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NC20 - Manual - 01 - 2015
APPENDIX
222
222
NC20 - Manual - 01 - 2015
APPENDIX
Description
Parameter Unit
Setting range
Timer 21
s
0 ... 59 step = 1
60 ... 3540 step = 60
3600 ... 86400 step = 600
Timer 22
s
0 ... 59 step = 1
60 ... 3540 step = 60
3600 ... 86400 step = 600
Timer 23
s
0 ... 59 step = 1
60 ... 3540 step = 60
3600 ... 86400 step = 600
Timer 24
s
0 ... 59 step = 1
60 ... 3540 step = 60
3600 ... 86400 step = 600
Circuit Breaker supervision
LEDs-relays allocation
Open CB command relays
CBopen-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Close CB command relays
CBclose-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
CB Closed LEDs
CBclose-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
CB Open LEDs
CBopen-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
CB State diagnostic relays
CBdiag-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
CB Diagnostic
Number of CB trips mode
ModeN.Open
OFF | ON
Number of CB trips threshold
N.Open
0 ... 10000 step = 1
Cumulative CB tripping currents mode
ModeSumI
OFF | ON
Cumulative CB tripping currents threshold
SumI
In
0 ... 5000 step = 1
Cumulative CB tripping I^2t mode
ModeSumI^2t
OFF | ON
Circuit breaker opening time for I^2t calculation
tbreak
s
0.05 ... 1.00 step = 0.01
Cumulative CB tripping I^2t threshold
SumI^2t
In^2s 0 ... 5000 step = 1
CB operating time mode
Mode-tOpen
OFF | ON
Trigger relay for CB opening time trigger measurement
Ktrig-break
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Circuit breaker maximum allowed opening time
Value
s
0.05 ... 1.00 step = 0.01
Number of CB trips diagnostic relays
N.Open-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Cumulative CB tripping currents diagnostic relays
SumI-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Cumulative CB tripping I^2t diagnostic relays
SumI^2t-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Circuit breaker opening time diagnostic relays
tbreak-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10
Number of CB trips diagnostic LEDs
N.Open-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
Cumulative CB tripping currents diagnostic LEDs
SumI-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
Cumulative CB tripping I^2t diagnostic LEDs
SumI^2t-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
Circuit breaker opening time diagnostic LEDs
tbreak-L
START | TRIP | L1 | L2 | L3 | L4 | L5 | L6 | L7 | L8 |
L9 | L10
CT supervision - 74CT
74CT Enable
74CT Enable
OFF | ON
74CT Threshold
S<
0.10 ... 0.95 step = 0.01
74CT Overcurrent threshold
State
OFF | ON
Pickup value
In
0.10 ... 1.00 step = 0.01
S< Operating time
Value
s
0.03 ... 9.99 step = 0.01
10.0 ... 99.9 step = 0.1
100 ... 200 step = 1
S< Logical block
S<BLK1
OFF | ON
S< Trip relays
S<TR-K
K1 | K2 | K3 | K4 | K5 | K6 | K7 | K8 | K9 | K10