ABB SU/S 30.640.1, Руководство по эксплуатации продукта

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ABB i-bus

KNX
Planning and application
SV/S xx.xxx.x.1 | 2CDC501049D0201 Rev. A 29
4.3 Faults
SV/S 30.640.3.1, SV/S 30.320.1.1 and SV/S 30.160.1.1
Indicators for normal operation, short-circuit and overload
green/
red
Description Recommendation
ON
green
Device operating normally.
ON
red
Output overloaded. Rectify overload or reduce number of bus
devices until there is no longer an overload and
only the green
U
N
OK LED is lit.
Flashing
red
Current limiting active. Reduce number of bus devices until only the
green
U
N
OK LED is lit.
SV/S 30.640.5.1 and SV/S 30.320.2.1
Indicators for normal operation, short-circuit and overload
Description Recommendation
ON OFF Device operating normally.
OFF ON
Current limiting active.
Rectify cause of short-circuit or reduce number
of bus devices until there is no longer an
overload and only the green
U
N
OK LED is lit.
ON ON
Output overloaded.
Reduce number of bus devices until there is no
longer an overload and only the green
U
N
OK
LED is lit.
OFF OFF No mains supply. Apply mains voltage and carry out a reset if
applicable.
Communication error indicators
Description Recommendation
ON The LED comes ON for 1 second if there is a
transmission error or if a telegram fails or is
incomplete (e.g. “BUSY”, “NAK” (receipt not
correct)). If the LED lights up frequently or flashes, check
the topology or connections. For a more
accurate diagnosis, use ETS Bus Monitor
logging.