7SR220 Settings Guide
Unrestricted Page 20 of 107
© 2013 Siemens Protection Devices Limited
Description
Range
Default
Gn 51N-1 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
0, 0.01 ... 19.99, 20
5 s
Gn 51N-1 Min Operate Time
Minimum operate time of element.
0, 0.01 ... 19.99, 20
0 s
Gn 51N-1 Follower DTL
Additional definite time added after characteristic time
0, 0.01 ... 19.99, 20
0 s
Gn 51N-1 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
(ANSI) Decaying, 0 ... 59, 60
0 s
Gn 51N-1 VTS Action
Selects whether 51N-1 element is blocked or made non-
directional when VTS operates
Off, Inhibit, Non-Dir
Off
Gn 51N-1 Inrush Action
Selects if the 51N-1 element is blocked from operating when
2nd Harmonic Inrush Detector operates
Off, Inhibit
Off
3.4.4.2.
51N-2
Description
Range
Default
Gn 51N-2 Element
Selects whether the 51N-2 IDMTL derived Earth Fault element
is enabled
Disabled, Enabled
Disabled
Gn 51N-2 Dir. Control
Selects whether 51N-2 element is non-directional, forward or
reverse
Non-Dir, Forward, Reverse
Non-Dir
Gn 51N-2 Setting
Pickup level
0.05, 0.06 ... 2.49, 2.5
0.5xIn
Gn 51N-2 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 51N-2 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 51N-2 Delay (DTL)
Delay (applicable only when DTL is selected for characteristic)
0, 0.01 ... 19.99, 20
5 s
Gn 51N-2 Min Operate Time
Minimum operate time of element.
0, 0.01 ... 19.99, 20
0 s
Gn 51N-2 Follower DTL
Additional definite time added after characteristic time
0, 0.01 ... 19.99, 20
0s
Gn 51N-2 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
(ANSI) Decaying, 0 ... 59, 60
0 s
Gn 51N-2 VTS Action
Selects whether 51N-2 element is blocked or made non-
directional when VTS operates
Off, Inhibit, Non-Dir
Off
Gn 51N-2 Inrush Action
Selects if the 51N-2 element is blocked from operating when
2nd Harmonic Inrush Detector operates
Off, Inhibit
Off
3.4.4.3.
51N-3
Description
Range
Default
Gn 51N-3 Element
Selects whether the 51N-3 IDMTL derived Earth Fault element
is enabled
Disabled, Enabled
Disabled
Summary of Contents for Argus 7SR21
Page 1: ...Energy Management 7SR21 7SR22 Argus Overcurrent Relay Reyrolle Protection Devices ...
Page 2: ......
Page 4: ...Contents 7SR11 and 7SR12 Page 2 of 2 2018 Siemens Protection Devices Limited ...
Page 185: ...7SR210 Settings Guide Unrestricted 2018 Siemens Protection Devices Limited Page 61 of 61 ...
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