User Manual

IDEC SmartRelay installation and wiring
IDEC SmartRelay Manual 49
2.3.5 Connecting the AS interface bus
To set the address of the module on the AS interface bus,
you need an addressing unit.
Valid addresses are in the range of 1 to 31. Use each
ad
dress once only.
You can set the address on the AS interface bus before or
after ins
tallation.
If the installed module is addressed via the address socket,
the AS-Inter
face voltage must be disconnected beforehand.
This is necessary for safety reasons.
+–
ADDR
RUN/STOP
AS-I
+–
AS-I
Networking on the AS interface bus
To make the connection to the AS interface bus, you need a
commu
nications-capable IDEC SmartRelay variant:
IDEC SmartRelay base module +
CM AS-I.
To be able to send data across the AS interface bus to IDEC
Smar
tRelay and to receive data from it in the same way, you
also need:
an AS interface power supply and
an AS interface master.
IDEC SmartRelay can only be accepted as a slave on the AS
inter
face bus. This means that it is not possible to directly
exchange data between two IDEC SmartRelay devices.
Data is always exchanged across the AS interface master.