Siemens Argus 7SR21 Technical Manual page 572

7SR210 & 7SR220 Commissioning & Maintenance Guide
Power U/O
(xSn)
32-1
32-2
If the element is set as 32-n U/C Guarded, the setting can be tested by applying the test current at a level below
the 32-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
1.1.1.1 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 any of the disabled functions.
Page 60 of 82
DTL P.U. D.O.
(sec) Power Power
(xSn) (xSn)
Blocked
Current
(D.O.)
Element
32-1
32-2
Operate UC
Time Guard
+/- 0.5Hz
Unblocked
Current
(P.U.)
BI Inhibits
© 2013 Siemens Protection Devices Limited
NOTES
NOTES