7SR210 & 7SR220 Commissioning & Maintenance Guide
Page 52 of 82 © 2013 Siemens Protection Devices Limited
Phase
27/59
setting
(Volts)
U/O
DTL
(sec)
Hyst.
D.O.
(calculated)
P.U.
Volts
D.O
Volts
2x Vs (OV)
0.5x Vs
(UV)
Tolerence
V
4
(V
x
)
1.1.1.1 Element Blocking
The Vx Under/Over Voltage elements can be blocked by Binary Input Inhibit and VT Supervision. This
functionality should be checked.
Element BI Inhibits VT Supervision
27/59x
Check correct indication, trip output, alarm contacts, waveform record.
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