Festo FB16 Electronic Manual page 72

VIFB16 - 03/05
Screening
1 MΩ
Internal
RC network
Fig. 3/16: Pin assignment of field bus interface
3-30
3. Installation
CAUTION
•
Please observe the polarity when connecting
the field bus interface.
•
Also connect the screen braid to Pin 4
The following diagram shows the pin assign-
ment of the field bus interface. Connect the
field bus cables to the appropriate pins of the
bus cable socket. Please observe also the
connection instructions in further diagrams
as well as the instructions in the PLC manual
for your control system.
S-
S-
220 nF
Housing of node
3
2
nc
S+
4
1
BUS
3 2
nc
S+
4
1
0506b