Fieldbus Coupler • 45
Fieldbus Coupler 750-346
WAGO-I/O-SYSTEM 750
DeviceNet
3.1.2.2 Device Supply
The supply is made via terminal blocks with CAGE CLAMP® connection.
The device supply is intended for the system unit.
24 V
10 nF
10 nF
24 V
5V
0V
1/2
3/4
2) 10nF/500V
1) 1M
1)
2)
24 V
5V
750-346
1234
24 V 0 V
Electronic
I/O Modules
Fieldbus
Interface
Fieldbus
Interface
Electronic
Fig. 3-2: Device supply g034631e
The integrated internal system supply module generates the necessary voltage
to supply the electronics of the coupler and the connected I/O modules.
The fieldbus interface is supplied by the fieldbus.
3.1.2.3 Fieldbus Connection
For the field bus connection, the DeviceNet interface is equipped with a 5 pole
header, its counter-piece being a plug connector (Open Style Connector).
The scope of delivery includes the plug connector 231-305/010-000/050-000
from the WAGO MULTI CONNECTION SYSTEM. The connector has gold
plated contacts and has the signal designations printed at its clamping units.
The table below shows the connection diagram, the colors resulting in accor-
dance with the DeviceNet specification and are identical to the conductor col-
ors of the DeviceNet cables.
Pin Signal Code Description
5 V+ red 11 ... 25 V
4 CAN_H white CAN Signal
High
3 Shield Shield connection
2 CAN_L blue CAN Signal
Low
Fieldbus
connection
Series 231
(MCS)
CAN_High
drain
CAN_Low
V-
V+
1 V- black 0 V
Fig. 3-3: Fieldbus connection, MCS g012500e
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