Parameter Values (Range) Unit Step Default Description
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
Io signal Sel 1=Measured Io
2=Calculated Io
1=Measured Io Selection for used Io signal
Table 276: EFHPTOC Group settings
Parameter Values (Range) Unit Step Default Description
Start value 0.10...40.00 xIn 0.01 0.10 Start value
Start value Mult 0.8...10.0 0.1 1.0 Multiplier for scaling the start value
Time multiplier 0.05...15.00 0.01 1.00 Time multiplier in IEC/ANSI IDMT curves
Operate delay time 40...200000 ms 10 40 Operate delay time
Operating curve type 1=ANSI Ext. inv.
3=ANSI Norm. inv.
5=ANSI Def. Time
9=IEC Norm. inv.
10=IEC Very inv.
12=IEC Ext. inv.
15=IEC Def. Time
17=Programmable
15=IEC Def. Time 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
Table 277: EFHPTOC Non group settings
Parameter
Values (Range) Unit Step Default Description
Operation 1=on
5=off
1=on Operation Off / On
Minimum operate time 20...60000 ms 1 20 Minimum operate 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
Io signal Sel 1=Measured Io
2=Calculated Io
1=Measured Io Selection for used Io signal
Section 4 1YHT530004D05 D
Protection functions
270 615 series
Technical Manual
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