OPC7000 series
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7.4 Serial interface COM (RS232)
The serial interface is used for digital data transmission. The RS232 interface can be connected by
using a commercially available 9-pin SUB-D cable.
PIN number
Signal name
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
Information:
This interface is not electrically isolated.