IDEC SmartRelay installation and wiring
51
IDEC SmartRelay Manual
IDEC SmartRelay expansion modules, operating states
IDEC SmartRelay expansion modules know three operating
states: The LED is lit green, red or orange.
FL1B-CAS2, communication states
The FL1B-CAS2 knows three communication states: The
LED is lit green, red or flashes red/yellow.
FL1B-CAS2, behaviour on communication failure
• If the FL1B-CAS2 voltage fails, communication between
the IDEC SmartRelay system and the expansion
modules, which are arranged to the right of the FL1B-
CAS2 expansion module, is interrupted.
Recommendation: Position FL1B-CAS2 on the far right-
hand side!
• If communication is interrupted, the switching outputs are
reset after about 40 to 100 ms.
LED is lit
Green (RUN) Red (STOP) Orange
The expansion mod-
ule communicates
with the device to its
left
The expansion mod-
ule does not com-
municate 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
Slave has address
“0”
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
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