Fieldbus Connection - Festo CTEU-DN Description, Functions And Maintenance

2. Installation and interfaces

2.2.5 Fieldbus connection

9 6
5
1
Fieldbus connection (fieldbus interface; sub-D, DE-9)
Pin Allocation (bus signal)
1 n.c.
CAN_L
2
3 V–
("CAN_GND")
4 n.c.
5 Drain
("CAN_SHLD")
6 GND
CAN_H
7
8 n.c.
9 V +
("CAN_V+")
1)
Received/transmitted data
2)
The bus power supply is not used by the bus node, but is required for the correct functioning of
the DeviceNet bus system
3)
Also connect screening to the plug connector housing
4)
Optional; the ground connection is not used
Tab. 2/3: Fieldbus connection (fieldbus interface; sub-D, DE-9) – pin allocation
Festo P.BE-CTEU-DN-OP+MAINT-EN en 1206NH
Fieldbus interface - connection technology and pin
allocation
There is a 9-pin sub-D pin plug connector (DE-9) on the bus
node for connection to the fieldbus.
Typical wire colour
n.a.
Blue
Black
n.a.
Screening,
housing
n.a.
White
n.a.
Red
Signal description
not connected
DeviceNet Bus Low (CAN Bus Low)
Power supply to bus (0 V),
2)
connected to Pin 6
not connected
Screening (shield),
3)
functional earth (FE)
Ground,
4)
connected to Pin 3
DeviceNet Bus High (CAN Bus High)
not connected
Power supply to bus
2)
(DC 24 V)
1)
1)
2-9