45
Checking the self supervision signals
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ADC-module = OK
No problem detected.
None.
ADC-module = Fail
The A/D conversion
module has failed.
Contact your ABB representative for ser-
vice.
Slot04BIM1 = Fail
(Example data, see
following section for
details)
I/O module has failed.
Check that the I/O module has been config-
ured and connected to the IOP1- block.
If the problem persists, contact your ABB
representative for service.
RealTimeClock = OK
No problem detected.
None.
RealTimeClock =
Warning
The real time clock has
been reset.
Set the clock.
TimeSync = OK
No problem detected.
None.
TimeSync = Warning
No time synchroniza-
tion.
Check the synchronization source for prob-
lems.
If the problem persists, contact your ABB
representative for service.
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Summary of Contents for REL 551 2.3 Series
Page 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Page 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Page 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Page 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...