7SR220 Settings Guide
Unrestricted Page 34 of 107 © 2013 Siemens Protection Devices Limited
Description Range Default
Gn 27/59 U/V Guard Setting
Selects voltage level below which the guard element is
applied.
1, 1.5 ... 199.5, 200 5 V
3.5.2. 27/59-1
Description Range Default
Gn 27/59-1 Element
Selects whether the Under/Over voltage element stage 1 is
enabled
Disabled, Enabled Disabled
Gn 27/59-1 Operation
Selects between Undervoltage and Overvoltage pickup for this
element
Under, Over Over
Gn 27/59-1 Setting
Under or over voltage pickup level
5, 5.5 ... 199.5, 200 80 V
Gn 27/59-1 Hysteresis
Sets the pickup to dropoff thresholds e.g. 3% on Overlevel
picks up above pickup setting and drops off below 97% of
setting, 3% on Underlevel picks up below setting and drops off
above 103% of setting
0, 0.1 ... 79.9, 80 3 %
Gn 27/59-1 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400 0.1 s
Gn 27/59-1 U/V Guarded
Selects whether U/V Guard element can block the operation of
this element
No, Yes No
Gn 27/59-1 VTS Inhibit
Selects whether element is blocked or not when VTS operates
No, Yes No
Gn 27/59-1 O/P Phases
Selects whether element operates for any phase picked up or
only when all phases are picked up
Any, All Any
3.5.3. 27/59-2
Description Range Default
Gn 27/59-2 Element
Selects whether the Under/Over voltage element stage 2 is
enabled
Disabled, Enabled Disabled
Gn 27/59-2 Operation
Selects between Undervoltage and Overvoltage pickup for this
element
Under, Over Over
Gn 27/59-2 Setting
Under or over voltage pickup level
5, 5.5 ... 199.5, 200 80 V
Gn 27/59-2 Hysteresis
Sets the pickup to dropoff thresholds e.g. 3% on Overlevel
picks up above pickup setting and drops off below 97% of
setting, 3% on Underlevel picks up below setting and drops off
above 103% of setting
0, 0.1 ... 79.9, 80 3 %
Gn 27/59-2 Delay
Sets operate delay time
0, 0.01 ... 14300, 14400 0.1 s
Gn 27/59-2 U/V Guarded
Selects whether U/V Guard element can block the operation of
this element
No, Yes No
Gn 27/59-2 VTS Inhibit
Selects whether element is blocked or not when VTS operates
No, Yes No
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