Siemens 7SR12 Argus Manual page 341

Power U/O
(xSn)
32S-1
32S-2
If the element is set as 32S-n U/C Guarded, the setting can be tested by applying the test current at a level below
the 32S-n U/C Guard Setting at a power in the operate range. Increase the current until the relay operates.
UCG UCG Power element
Setting Used for test
(xIn)
U/O
Power
2.17.1.1 Element Blocking
The U/O Power elements can be blocked by Binary Input Inhibit. This functionality should be checked.
Check correct indication, trip output, alarm contacts, waveform record.
When testing is complete reinstate the disabled functions.
©2017 Siemens Protection Devices Limited
DTL P.U. D.O.
(sec) Power Power
(xSn) (xSn)
Blocked
Current
(D.O.)
Element
32S-1
32S-2
7SR11 & 7SR12 Commissioning and Maintenance Guide
Operate UC
Time Guard
+/- 0.5Hz
Unblocked
Current
(P.U.)
NOTES
NOTES
BI Inhibits
Chapter 6 Page 57 of 72