Field Bus Connection - WAGO I/O SYSTEM 750 750-833 Manual

3.2.3 Field Bus Connection

The PROFIBUS interface is designed as a D-Sub connection in accordance
with the US Standard EIA RS 485 for cable linked data transmission.
Fig. 3.2.3-3: Bus connection, D-Sub female connector
Pin
3
4
5
6
8
The galvanic isolation between the field bus system and the electronics is
achieved by means of DC/DC converter and optocoupler.
The connection point is mechanically lowered permitting fitting in an 80 mm
high switch box once connected.
WAGO-I/O-SYSTEM 750
Bus System
Programmable Field Bus Controller 750-833
Signal
RxD(TxD)-P
RTS
GND
Vcc
RxD(TxD)-N
Hardware
Description
Transmit (receive) signal
Ready to send
Supply ground
Supply voltage
Transmit (receive) signal
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