Control circuit – IAI America XSEL-KE User Manual
Page 332
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317
Appendix
3. RS485
wiring
Control
circuit
SIO expansion board
Supplied joint cable
CB-ST-422J010
Provided by the user
Terminal
block
D-sub, 15-pin
120
:
RD +
11
RD +
SRD +
RD -
12
RD -
SRD -
TRM 13
SD +
15
SD +
SD -
14
SD -
Connect (13) TRM with
RD+ and SD+ only at
the termination point.
N-to-N multi-drop
Termination
SD +
SD -
RD +
RD -
SRD +
SRD +
SRD -
SRD -
SRD +
SRD +
SRD -
SRD -
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