Siemens SIPROTEC 7SD600 System Manual page 116

Numerical line differential protection SIPROTEC 7SD600 V3.0
C O M – R x
R x = 5 6 6
F A U L T
I t o o s m .
The measurement is terminated automatically when
the resistance is output.
The determined pilot wire resistance is set in addr.
01Rx as Rx. The resistance of a pilot wire monitoring,
Siemens AG January 1999
W
Operating instructions
System manual Order no. E50417-G1176-C069-A1
Display of the measured pilot wire resistance
(resolution 1 W, e.g. 566 W)
Detector picked up
The injected measuring current or the pilot wire cur
rent I is not sufficient to determine the pilot wire re
a
sistance. Make sure that the pilot wires are connec
ted at both ends.
if it exists, is included in the displayed value and spe
cial allowance does not need to be made for this. The
setting must be made at both ends of the line. Mea
surement from one end of the line is sufficient.
6
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