Siemens 7SR12 Argus User Manual

7SR11 & 7SR12 Commissioning and Maintenance Guide
©2017 Siemens Protection Devices Limited Chapter 6 Page 55 of 72
Power
(xSn)
U/O
DTL
(sec)
P.U.
Power
(xSn)
D.O.
Power
(xSn)
Operate
Time
+/- 0.5Hz
UC
Guard
NOTES
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
Setting
(xIn)
Power element
Used for test
Blocked
Current
(D.O.)
Unblocked
Current
(P.U.)
NOTES
U/O
Power
2.16.1.1 Element Blocking
The U/O Power elements can be blocked by Binary Input Inhibit. This functionality should be checked.
Element
BI Inhibits
32-1
32-2
Check correct indication, trip output, alarm contacts, waveform record.
When testing is complete reinstate any of the disabled functions.

Siemens 7SR12 Argus Specifications

General

Brand	Siemens
Model	7SR12 Argus
Category	Protection Device
Language	English