Cold Load - Siemens Argus 7SR21 Technical Manual

Description
Gn 51-2 Reset
Selects between an ANSI decaying reset characteristic or a
definite time reset
Gn 51-2 Inrush Action
Selects if the 51-2 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
3.4.1.3. 50-1
Description
Gn 50-1 Element
Selects whether the INST/ DTL Overcurrent element is enabled
Gn 50-1 Setting
Pickup level
Gn 50-1 Delay
Sets operate delay time
Gn 50-1 Inrush Action
Selects if the 50-1 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
3.4.1.4. 50-2
Description
Gn 50-2 Element
Selects whether the INST/ DTL Overcurrent element is enabled
Gn 50-2 Setting
Pickup level
Gn 50-2 Delay
Sets operate delay time
Gn 50-2 Inrush Action
Selects if the 50-2 element is blocked from operating when 2nd
Harmonic Inrush Detector operates
3.4.2.

Cold Load

Description
Cold Load
Selects whether the Cold Load element is enabled
Pick-up Time
Cold Load operate time delay
Drop-off Time
Cold Load reset time delay
Reduced Current
Selects whether reduced current functionality is to be used
Reduced Current Level
Selects current level below which Reduced Current Time is used
for Cold Load reset delay
Reduced Current Time
Cold Load reset time delay used when reduced current active
Gn 51c-1 Setting
51-1 element parameter used when Cold Load operates
Gn 51c-1 Char
51-1 element parameter used when Cold Load operates
Unrestricted ©2018 Siemens Protection Devices Limited
Range
(ANSI) Decaying, 0 ... 59, 60
Off, Inhibit
Range
Disabled, Enabled
0.05, 0.06 ... 49.5, 50
0, 0.01 ... 14300, 14400
Off, Inhibit
Range
Disabled, Enabled
0.05, 0.06 ... 49.5, 50
0, 0.01 ... 14300, 14400
Off, Inhibit
Range
Disabled, Enabled
1, 1.1 ... 14100, 14400
1, 1.1 ... 14100, 14400
Disabled, Enabled
0.05, 0.1 ... 2.45, 2.5
1, 1.1 ... 14100, 14400
0.05, 0.06 ... 2.49, 2.5
DTL, IEC-NI, IEC-VI, IEC-EI, IEC-LTI,
ANSI-MI, ANSI-VI, ANSI-EI
7SR210 Settings Guide
Default
0 s
Off
Default
Disabled
1 xIn
0 s
Off
Default
Disabled
1 xIn
0 s
Off
Default
Disabled
600 s
600 s
Disabled
0.25 xIn
600 s
1 xIn
IEC-NI
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