Feldbus-Koppler/-Controller • 65
Fieldbus Controller 750-806
WAGO-I/O-SYSTEM 750
DeviceNet
3.2.2.3 Fieldbus Connection
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 it clamping units.
The connection diagram shows the table, the colours resulting in accordance
with the DeviceNet specification and are identical to the conductor colours 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. 3-22: Fieldbus connection, MCS g012500e
For the connection of small conductor cross sections, we recommend to insert
an insulation stop from series 231-670 (white), 231-671 (light grey) or 231-
672 (dark grey) due to the low kink resistance. This insulation stop prevents a
conductor from kinking when it hits the conductor contact point, and as such,
the conductor insulation from being also entered into and clamped in the con-
nection point. Connector marking, housing components, test connectors in-
cluding cables and heater connectors for cable extensions, are available.
The connection point is lowered in such a way that after a connector is in-
serted, installation in an 80 mm high switchbox is possible.
The electrical isolation between the fieldbus system and the electronics is
made via the DC/DC converter and the optocoupler in the fieldbus.
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