7SR220 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 29 of 107
Description Range Default
Gn 51SEF-3 Dir. Control
Selects whether 51SEF-3 element is non-directional, forward
or reverse
Non-Dir, Forward, Reverse Non-Dir
Gn 51SEF-3 Setting
Pickup level
0.005, 0.006 ... 0.995, 1 0.2 xIn
Gn 51SEF-3 Char
Selects characteristic curve to be IEC or ANSI IDMTL or DTL
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
IEC-NI
Gn 51SEF-3 Time Mult (IEC/ANSI)
Time multiplier (applicable to IEC and ANSI curves but not
DTL selection)
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
1
Gn 51SEF-3 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
0, 0.01 ... 19.99, 20 5 s
Gn 51SEF-3 Min Operate Time
Minimum operate time of element.
0, 0.01 ... 19.99, 20 0 s
Gn 51SEF-3 Follower DTL
Additional definite time added after characteristic time
0, 0.01 ... 19.99, 20 0 s
Gn 51SEF-3 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
(ANSI) Decaying, 0 ... 59, 60 0 s
Gn 51SEF-3 VTS Action
Selects whether 51SEF-3 element is blocked or made non-
directional when VTS operates
Off, Inhibit, Non-Dir Off
3.4.6.4. 51SEF-4
Description Range Default
Gn 51SEF-4 Element
Selects whether the 51SEF-4 IDMTL derived Earth Fault
element is enabled
Disabled, Enabled Disabled
Gn 51SEF-4 Dir. Control
Selects whether 51SEF-4 element is non-directional, forward
or reverse
Non-Dir, Forward, Reverse Non-Dir
Gn 51SEF-4 Setting
Pickup level
0.005, 0.006 ... 0.995, 1 0.2 xIn
Gn 51SEF-4 Char
Selects characteristic curve to be IEC or ANSI IDMTL or DTL
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
IEC-NI
Gn 51SEF-4 Time Mult (IEC/ANSI)
Time multiplier (applicable to IEC and ANSI curves but not
DTL selection)
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
1
Gn 51SEF-4 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
0, 0.01 ... 19.99, 20 5 s
Gn 51SEF-4 Min Operate Time
Minimum operate time of element.
0, 0.01 ... 19.99, 20 0 s
Gn 51SEF-4 Follower DTL
Additional definite time added after characteristic time
0, 0.01 ... 19.99, 20 0 s
Gn 51SEF-4 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
(ANSI) Decaying, 0 ... 59, 60 0 s
Gn 51SEF-4 VTS Action
Selects whether 51SEF-4 element is blocked or made non-
directional when VTS operates
Off, Inhibit, Non-Dir Off
To Next Page
Loading...
