nader NDW3 Series Manual page 30

Protection execution mode
Load monitoring function NWK21/NWK31 &NWK22/NWK32
Operation mode
Current way 1
NWK21/NWK31
Current way 2
Thermal memory
Operation mode
Un
load
Ⅰ
NWK22/NWK32
Un
load
Ⅱ
Load monitoring alarm DO output
Undervoltage protection/alarm NWK22/NWK32
Protection/alarm start setting value
V
Protection action delay time setting
value (s)
Alarm action return setting value
V
Alarm return delay time (s)
Continued: Setting Values and Protective Features of Controller
Undervoltage protection/alarm NWK22/NWK32
Undervoltage protection action /alarm
features
(Accuracy of ±10%) inherent absolute
error: ±40 ms
Internal & confidential file
文件编号:NDT2920213
Without the signal output, observe the controller display screen or read from the
display indicator.
Alarm/tripping/close
Ic1
Ic2
Ic1
Ic2
Off (OFF)
30min (ON), OFF
Current/power setting
Current way 1
0.2~1.0Ir
Current mode 2
Power way 1
200kW~10000kW
Power mode 2
Current way 1 0.2~1.0Ir
Current mode 2 0.2Ir～unloading Ⅰ
Power way 1 200kW~10000kW
100kW～unloading Ⅰ
Power mode 2
Off (OFF)
The signal output is required to add a signal unit; set one DO of the signal unit as "load
monitoring 1", another as "load monitoring 2".
Without the signal output, observe the controller display screen or read from the
display indicator.
100~return value
0.2～60
Start value～600
0.2~60
Umin/action setting value
＞1.1
≤0.9
第 30 页 共 149 页
Current setting
(0.2~1.0) In+OFF
文件版本:17
Time setting
Tc1
15s, 30s, 60s,
Tc2
120s, 240s, 480s
Tc1
Tc2 60s, 120s, 240, 480s
Time setting
20～80%Tr
10s~3600s
20～80%Tr
10s~600s
10s~3600s
Tripping time
Inaction (no alarm)
Acts (or gives an alarm) according to the set
delay time