The cable for the RS-232 optional plug-in modules uses a DB9 connector. The
connector pins are described next:
XC41
Connector
Pins
2
3
5
7
NOTE!
The RTS pin is not necessary for the RS-232 communication. It will only be
necessary if an external RS-485 gateway is used.
5. RS-232 KIT INSTALLATION PROCEDURE
Table 3 - DB9 Connector Pins
Cable connection
Not conected
1. Contents of the kit.
2. Take out the optional plug-in cover.
DB89 Connector
Pins of the
Description
master / PC
2
3
5
Not conected
Rx
Tx
COM
RTS
3