ABB RER620

Section 4 1MAC309294-MB F
Protection functions
134 RER620
Technical Manual
Table 153: 51N/G, 50N/G-1 and 50SEF Non group settings
Table 154: 50N/G-2 Group settings
Pickup block enable 0=Disabled
1=Enabled
0=Disabled Enables start block function
Pickup block value 1.00...40.00 A 0.01 5 Value over which trip will be blocked
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate Selection of reset curve type
Time adder 0.00...2.00 s 0.01 0 Time added after curve time before trip
Parameter Values (Range) Unit Step Default Description
Parameter Values (Range) Unit Step Default Description
Operation 1=Enable
5=Disable
5=Disable Operation Disable / Enable
Minimum trip time 20...60000 ms 1 20 Minimum trip time for IDMT curves
Reset delay time 0...60000 ms 1 20 Reset delay time
Measurement mode 1=RMS
2=DFT
3=Peak-to-Peak
2=DFT Selects used measurement mode
Curve parameter A 0.0086...120.0000 28.2000 Parameter A for customer programmable curve
Curve parameter B 0.0000...0.7120 0.1217 Parameter B for customer programmable curve
Curve parameter C 0.02...2.00 2.00 Parameter C for customer programmable curve
Curve parameter D 0.46...30.00 29.10 Parameter D for customer programmable curve
Curve parameter E 0.0...1.0 1.0 Parameter E for customer programmable curve
Parameter Values (Range) Unit Step Default Description
Pickup value 0.10...40.00 xIn 0.01 0.50 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 0.05 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
3=ANSI Norm Inv
5=ANSI DT
9=IEC Norm Inv
10=IEC Very Inv
12=IEC Ext Inv
15=IEC DT
17=Programmable
5=ANSI DT Selection of time delay curve type
Type of reset curve 1=Immediate
2=Def time reset
3=Inverse reset
1=Immediate Selection of reset curve type
Time adder 0.00...2.00 s 0.01 0 Time added after curve time before trip