7SR220 Settings Guide
Unrestricted Page 18 of 107
© 2013 Siemens Protection Devices Limited
3.4.3.
Cold Load
Description
Range
Default
Cold Load
Selects whether the Cold Load element is enabled
Disabled, Enabled
Disabled
Pick-up Time
Cold Load operate time delay
1, 1.1 ... 14100, 14400
600 s
Drop-off Time
Cold Load reset time delay
1, 1.1 ... 14100, 14400
600 s
Reduced Current
Selects whether reduced current functionality is to be used
Disabled, Enabled
Disabled
Reduced Current Level
Selects current level below which Reduced Current Time is
used for Cold Load reset delay
0.05, 0.1 ... 2.45, 2.5
0.25 xIn
Reduced Current Time
Cold Load reset time delay used when reduced current active
1, 1.1 ... 14100, 14400
600 s
Gn 51c-1 Setting
51-1 element parameter used when Cold Load operates
0.05, 0.06 ... 2.49, 2.5
1 xIn
Gn 51c-1 Char
As Above
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
IEC-NI
Gn 51c-1 Time Mult (IEC/ANSI)
As Above
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
1
Gn 51c-1 Delay (DTL)
As Above
0, 0.01 ... 19.99, 20
5 s
Gn 51c-1 Min Operate Time
As Above
0, 0.01 ... 19.99, 20
0 s
Gn 51c-1 Follower DTL
As Above
0, 0.01 ... 19.99, 20
0 s
Gn 51c-1 Reset
As Above
(ANSI) Decaying, 0 ... 59, 60
0 s
Gn 51c-2 Setting
51-2 element parameter used when Cold Load operates
0.05, 0.06 ... 2.49, 2.5
1 xIn
Gn 51c-2 Char
As Above
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
IEC-NI
Gn 51c-2 Time Mult (IEC/ANSI)
As Above
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
1
Gn 51c-2 Delay (DTL)
As Above
0, 0.01 ... 19.99, 20
5 s
Gn 51c-2 Min Operate Time
As Above
0, 0.01 ... 19.99, 20
0 s
Gn 51c-2 Follower DTL
As Above
0, 0.01 ... 19.99, 20
0 s
Gn 51c-2 Reset
As Above
(ANSI) Decaying, 0 ... 59, 60
0 s
Gn 51c-3 Setting
51-3 element parameter used when Cold Load operates
0.05, 0.06 ... 2.49, 2.5
1 xIn
Gn 51c-3 Char
As Above
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-
LTI, ANSI-MI, ANSI-VI, ANSI-EI
IE C-NI
Gn 51c-3 Time Mult (IEC/ANSI)
As Above
0.025, 0.03 ... 1.595, 1.6 , 1.7 ...
4.9, 5, 6 ... 100
1
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 ...
Page 277: ...7SR220 Settings Guide Unrestricted Page 72 of 107 2013 Siemens Protection Devices Limited ...
Page 382: ...7SR220 Technical Manual Chapter 4 Page 2 of 96 2017 Siemens Protection Devices Limited ...
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