Parameter Address
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SFMON: Iref, b inval. range
091 008
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The reference current determined by the P631 for differential protection is not
within the permissible range.
Device reaction: Protection is blocked.
'Warning' output relay: Updating
'Blocked/faulty' output relay: –
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SFMON: Matching fail. end a
091 000
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SFMON: Matching fail. end b
091 001
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The calculated amplitude matching factor of the differential protection function
is above the permissible range.
Device reaction: Protection is blocked.
'Warning' output relay: Updating
'Blocked/faulty' output relay: –
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SFMON: Ratio mtch.fact.inv.
091 004
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The ratio of the amplitude matching factors for differential protection is not
within the permissible range.
Device reaction: Protection is blocked.
'Warning' output relay: Updating
'Blocked/faulty' output relay: –
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SFMON: 2nd match.fact. inv.
091 006
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The second highest amplitude matching factor for differential protection is
smaller than permitted.
Device reaction: Protection is blocked.
'Warning' output relay: Updating
'Blocked/faulty' output relay: –
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SFMON: CTA error THRM1
098 036
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Faulty coolant temperature acquisition.
'Warning' output relay: Yes
'Blocked/faulty' output relay: –
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SFMON: Setting error THRM1
098 038
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The maximum permissible object temperature and the maximum permissible
coolant temperature have been set to the same value. This setting is not valid.
'Warning' output relay: Yes
'Blocked/faulty' output relay: –
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SFMON: Inv.inp.f.clock sync
093 120
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The function was configured to a binary signal input on the analog I/O module Y.
Such a configuration is not permitted for this function.
Device reaction:
'Warning' output relay: Updating
'Blocked/faulty' output relay: –
11 Troubleshooting
P631
P631/EN M/R-11-C // P631-310-650 11-11