Fieldbus Connection - WAGO -I/O-SYSTEM 750 Technical Description, Installation And Configuration

3.1.2.3

Fieldbus Connection

The PROFINET IO interface is designed as a RJ45 connection and complies
with 100BaseTX standards.
Fig. 3.1.2-3:
Bus connection RJ45, plug
The electrical isolation between the fieldbus interface and the internal
electronics is provided by a transformer.
The connection point of the coupler is lowered to fit in an 80mm high switch
box once connected to the PROFINET connector.
WAGO-I/O-SYSTEM 750
PROFINET IO
8
7
6
5
4
3
2
1
g0xxx20x
PROFINET IO 750-340
Pin Signal Description
1 TD + Send data +
2 TD - Send data -
3 RD + Receiving data +
4 - Not assigned
5 - Not assigned
6 RD - Receiving data -
7 - Not assigned
8 - Not assigned
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