Festo Кабели и принадлежности - Manual (Page 40)

3. Installation
3−4
Festo P.BE−SPC200−COM−PDP−E N en 0901c
3.2 Connecting to the field bus
There is a 9−pin sub−D plug on the field bus module for conĆ
necting the SPC200 to the relevant field bus. This connection
is used for the incoming cable, as well as for the continuing
field bus cable.
1
5
9
6
Fig. 3/1: PROFIBUS−DP interface (X 20)
Pin Signal Description
1
2
3
4
5
6
7
8
9
Housing Earth
n.c.
RxD/TxD−P
CNTR−P
*)
DGND
VP
n.c.
RxD/TxD−N
n.c.
Screening/
shield
Direct connection to housing
not connected
Receive/send data−P
Repeater control signal
Data reference potential (M5V)
Power supply positive (P5V)
not connected
Receive/send data−N
not connected
Direct connection to housing
*) Repeater control signal CNTR−P is in the form of a TTL signal.