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4-16
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RS-232C connection
Handling Precautions
• Connect the slave station to the master station in a single-drop (point-to-
point) configuration.
• There are three (RD, SD and SG) communications terminals on the
RS-232C interface on the master station which may not output data if not
short-circuited as shown above.
SD
61
63 64
RD
SG
1
2
3
4
5
6
7
8
CD
RD
SD
ER
SG
DR
RS
CS
Host computer (master station)
Example of connection
Chapter 4. WIRING