Control circuit – IAI America XSEL-KET User Manual
Page 344
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325
Appendix
INTELLIGENT ACTUATOR
2. RS422
wiring
Control
circuit
SIO expansion board
Supplied joint cable
CB-ST-422J010
Provided by the user
RD+
11
RD +
SD +
RD-
12
RD -
SD -
TRM 13
SD+
15
SD +
RD +
SD-
14
SD -
RD -
120
Slave Master
1-to-N multi-drop
Terminal
block
Connect (13) TRM with
RD+ only at the
termination point.
RD +
SD +
RD -
SD -
SD +
RD +
SD -
RD -
Slave
Slave
RD +
RD +
RD -
RD -
SD +
SD +
SD -
SD -
Termination
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