I/O modules • 251
RS485C interface 750-653
Modular I/O System
ETHERNET TCP/IP
4.8.1.1.3 RS485C
Interface
750-653
TxD
RxD
M M
S S
13 14
C
D
B
A
750-653
TxD
RxD
__
__
TxD
Data contacts
RxD
RxD
Common
(ground)
Shield
(screen)
TxD
Function
TxD
Shield
(screen)
RxD
Common
(ground)
___
___
Technical description
This technical description is only valid for hardware and software versions X
X X X 2 C 0 3----. The product series number is printed on the right side of the
module.
The following description is preliminary and is applicable to the factory preset
configuration.
Many other operational modes are possible (please contact WAGO for the cor-
responding settings).
The interface module can operate with all WAGO-I/O-SYSTEM buscouplers
(except for the economy type).