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NC-200 PB - Installation Manual - Page: 31
2.5
RS-232-C CONNECTION (CONNECTOR X7)
The RS-232-C serial communications line uses a 9-pin male SUB-D type
connector.
Parameter PAR90 sets the transmission speed through this line. See section 3.5 in
this manual.
The operating mode for this feature is described in chapter 5 of the Operating
Manual.
Pin
Signal
Function
1
NC
Not connected
2
RxD
Receive Data
3
TxD
Transmit Data
4
NC
Not connected
5
GND
Ground
6-9
NC
Not connected