4.2.1.9 Settings
Table 327: 51N,51G Group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Pickup value 0.010...5.000 xIn 0.005 0.010 Pickup value
Pickup value mult 0.8...10.0 0.1 1.0 Multiplier for scaling the pickup value
Time multiplier 0.05...15.00 0.01 1.00 Time multiplier in IEC/ANSI IDMT curves
Trip delay time 40...200000 ms 10 40 Trip delay time
Operating curve type 1=ANSI Ext Inv
2=ANSI Very Inv
3=ANSI Norm Inv
4=ANSI Mod Inv
5=ANSI DT
6=LT Ext Inv
7=LT Very Inv
8=LT Inv
9=IEC Norm Inv
10=IEC Very Inv
11=IEC Inv
12=IEC Ext Inv
13=IEC ST Inv
14=IEC LT Inv
15=IEC DT
17=Programmable
18=RI Type
19=RD Type
15=IEC DT Selection of time delay curve type
Table 328: 51N,51G Group settings (Advanced)
Parameter
Values (Range) Unit Step Default Description
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate Selection of reset curve type
Table 329: 51N,51G Non group settings (Basic)
Parameter
Values (Range) Unit Step Default Description
Operation 1=enable
5=disable
1=enable Operation Disable / Enable
Curve parameter A 0.0086...120.0000 1 28.2000 Parameter A for customer programmable
curve
Curve parameter B 0.0000...0.7120 1 0.1217 Parameter B for customer programmable
curve
Curve parameter C 0.02...2.00 1 2.00 Parameter C for customer programmable
curve
Curve parameter D 0.46...30.00 1 29.10 Parameter D for customer programmable
curve
Curve parameter E 0.0...1.0 1 1.0 Parameter E for customer programmable
curve
1MAC059074-MB A Section 4
Protection functions
615 series ANSI 321
Technical Manual