ABB AC500 PLC Hardware Manual page 1072

Device Specifications
Communication Interface Modules (S500) > PROFINET
Table 178: Assignment of the terminals
Terminal
1.0
1.1
2.0
2.1
3.0
3.1
Table 179: Assignment of the terminals of removable connectors X11, X12 and X13 (Serial inter-
faces)
Terminal
1
2
3
4
5
6
7
8
9
1072
Signal
UP
ZP
UP
ZP
UP
ZP
Signal
Term-P
Rx/Tx-P
Rx/Tx-N
Term-N
RTS
TxD
SGND
RxD
CTS
The connection of SGND (ground) is optional for RS-485/RS-422.
For RS-422, no external line-terminating resistors have to connected. They are
already connected inside the module.
3ADR010121, 13, en_US
Description
Process voltage UP (+24 VDC)
Process voltage ZP (0 VDC)
Process voltage UP (+24 VDC)
Process voltage ZP (0 VDC)
Process voltage UP (+24 VDC)
Process voltage ZP (0 VDC)
Description
RS-485 Internal line terminating resistor for non-
inverted signal (Rx/Tx-P)
RS-422 Non-inverted receive signal terminal
(RxD+)
RS-485 Non-inverted I/O signal terminal for
each channel
RS-422 Non-inverted transmit signal terminal
(TxD+)
RS-485 Inverted I/O signal terminal for each
channel
RS-422 Inverted transmit signal terminal (TxD-)
RS-485 Internal line-terminating-resistor for
inverted signal (Rx/Tx-N) terminal
RS-422 Inverted receive signal terminal (RxD-)
RS-232 Request To Send signal terminal for
each channel
RS-232 Transmit signal terminal for each
channel
RS-232 Signal ground for each channel
RS-232 Receive signal terminal for each
channel
RS-232 Clear To Send signal terminal for each
channel
2019/04/17