Siemens Argus 7SR21 Technical Manual page 564

7SR210 & 7SR220 Commissioning & Maintenance Guide
Op. Time
27/59
DTL D.O. P.U. D.O 2x Vs (OV)
Phase setting U/O Hyst. Tolerence
(sec) (calculated) Volts Volts 0.5x Vs
(Volts)
(UV)
V (V )
4 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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