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
5 V
0 V
1 / 2
3 / 4
2) 10nF/500V
1) 1M
1)
2)
24 V
5 V
750-346
1
2
3
4
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