ABB NGC8206 User Manual page 138

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