ABB NGC8206 - Page 138

Page 3–78
2101510 Rev. AG
RS-232 RS-485 RS-422
3
Switched
Power Out
Switched
Power Out
Switched
Power
Out
4
Operate
Operate
Operate
5
Not Used
RRTS
RTS
6
Request To
Send
Bus +
Transmit
Bus +
7 Transmit Data Bus -
Transmit
Bus -
8 Receive Data
No
Connection
Receive
Bus +
9
Clear To Send
(CTS)
No
Connection
Receive
Bus -
PIN PORT 2 (J10)
PORT 2
(J10)
PORT 2
(J10)
1 Power Out Power Out
Power
Out
2
Ground
Ground
Ground
3
Switched
Power Out
Switched
Power Out
Switched
Power
Out
4
Operate
Operate
Operate
5
Not Used
RRTS
RTS
6
Request To
Send
Bus +
Transmit
Bus +
7 Transmit Data Bus -
Transmit
Bus -
8 Receive Data
No
Connection
Receive
Bus +
9
Clear To Send
(CTS)
No
Connection
Receive
Bus -
TERMINATIONS
PORT 1
(J9)
PORT 2
(J11)
First or Intermediate
Unit (RS-485)
Pins 2–3 Pins 2–3
Last or Only Unit (RS-
485)
Pins 1–2 Pins 1–2
RS-232
Pins 2–3
Pins 2–3