
APPENDIX
197
NA20 - Manual - 04 - 2022
I>>> Start LEDs
I>>>ST-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
I>>> Trip LEDs
I>>>TR-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Definite time
50/51 Third threshold definite time
State
OFF | ON
Pickup value
In
0.100 ... 0.999 step = 0.001
1.00 ... 9.99 step = 0.01
10.0 ... 40.0 step = 0.1
I>>>def within CLP
ICLP>>>def
In
0.100 ... 0.999 step = 0.001
1.00 ... 9.99 step = 0.01
10.0 ... 40.0 step = 0.1
I>>>def Operating time
Value
s
0.03 ... 10.00 step = 0.01
Residual overcurrent - 50N/51N
IE> Element
Setpoints
IE> Enable
IE> Enable
OFF | ON
IE> Curve type
IE>Curve
IEC/BS A | IEC/BS B | IEC/BS C | IEC/BS B LI |
ANSI/IEEE MI | ANSI/IEEE VI | ANSI/IEEE EI | EM
| DEFINITE
IECLP> Mode
IECLP> Mode
OFF | ON - Element blocking | ON - Change setting
IECLP> Activation time
Value
s
0.00 ... 9.99 step = 0.01
10.0 ... 100.0 step = 0.1
tE> Reset time delay
Value
s
0.00 ... 9.99 step = 0.01
10.0 ... 100.0 step = 0.1
IE> Logical block
IE>BLK1
OFF | ON
IE> Input selective block
IE>BLK2IN
OFF | ON
IE> Output selective block
IE>BLK2OUT
OFF | ON
IE> Second harmonic restraint
IE>2ndh-REST
OFF | ON
IE> Breaker failure
IE>BF
OFF | ON
IE> Start relays
IE>ST-K
K1 | K2 | K3 | K4 | K5 | K6 |
IE> Trip relays
IE>TR-K
K1 | K2 | K3 | K4 | K5 | K6 |
IE> Start LEDs
IE>ST-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
IE> Trip LEDs
IE>TR-L
START | TRIP | L1 | L2 | L3 | L4 | L5 |
Definite time
50N/51N First threshold definite time
State
OFF | ON
Pickup value
IEn
0.002 ... 0.999 step = 0.001
1.00 ... 10.00 step = 0.01
IE>def within CLP
IECLP>def
IEn
0.002 ... 0.999 step = 0.001
1.00 ... 10.00 step = 0.01
IE>def Operating time
Value
s
0.04 ... 9.99 step = 0.01
10.0 ... 99.9 step = 0.1
100 ... 200 step = 1
Inverse time
50N/51N First threshold definite time
State
OFF | ON
Pickup value
IEn
0.002 ... 0.999 step = 0.001
1.00 ... 2.00 step = 0.01
IE>inv within CLP
IECLP>inv
IEn
0.002 ... 0.999 step = 0.001
1.00 ... 2.00 step = 0.01
IE>inv Operating time
tE>inv
s
0.02 ... 9.99 step = 0.01
10.0 ... 60.0 step = 0.1
IE>> Element
Setpoints
Summary of Contents for NA20
Page 207: ...APPENDIX 207 NA20 Manual 04 2022...