3.12.8
Blocked/Faulty
If the protective functions are blocked, the condition is signaled by continuous
illumination of the amber LED indicator H 2 on the local control panel and by a
signal from an output relay configured MAIN: Blocked/faulty. In addition
functions can be selected that will issue the MAIN: Blocked/faulty signal by
setting a “m out of n” parameter.
D5Z50EHA
m out of n
MAIN:
Device on-line
[ 003 030 ]
0: No (= off)
MAIN:
Trip cmd. blocked
[ 021 013 ]
Signal 1
Signal 2
Signal 3
Signal n
Selected signals
MAIN:
Fct. assign. fault
[ 021 031 ]
MAIN:
Protect. not ready
[ 004 060 ]
MAIN:
Blocked/faulty
[ 004 065 ]
SFMON:
Blocking
304 951
Fig. 3-52: “Blocked/Faulty” signal.
3.12.9
Starting Signals and Tripping Logic
3.12.9.1
Tripping Signals for Autotransformers
The following tripping signals are available for applications with
autotransformers:
MAIN: Trip sig.REF1 & REF2
036 174
MAIN: Trip sig.REF2 & REF3
036 175
MAIN: Trip sig.REF1 & REF3
036 176
3.12.9.2
Starting Signals
The starting signal of the differential protection and the general starting signals
of the definite-time and inverse-time overcurrent protection functions are
combined into one common general starting signal.
3 Operation
P631
P631/EN M/R-11-C // P631-310-650
3-79
Содержание P631
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