IDEC SmartRelay installation and wiring
IDEC SmartRelay Manual
55
IDEC SmartRelay expansion modules, operating states
IDEC SmartRelay expansion modules have three operating
states: The LED (RUN/STOP) is lit green, red or orange.
CM AS Interface, communication states
The CM AS Interface has three communication states: The
LED is lit green, red or flashes red/yellow.
CM AS Interface, behavior on communication failure
•
If the AS Interface voltage fails, communication between
the IDEC SmartRelay system and the expansion
modules, which are arranged to the right of the IDEC
SmartRelay CM AS Interface expansion module, is
interrupted.
Recommendation: Position IDEC SmartRelay CM AS
Interface on the far right side.
•
If communication is interrupted, the switching outputs are
reset after about 40 to 100 ms.
LED (RUN/STOP) is lit
Green (RUN)
Red (STOP)
Orange/Yellow
The expansion module
communicates with the
device to the left.
The expansion module
does
not
communicate
with the device to its
left.
Initialization phase of
the expansion module
LED AS-I is lit
Green
Red
Red/Yellow
AS Interface
communication OK
AS Interface
communication failed
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