Instruction Manual

3. Installation
3−16
Festo P.BE−GDCP−SFC−LACI−PB−E N en 0812NH
3.6 Controller interface
Communication with the higher−order controller (PLC/IPC)
occurs via the controller interface.
There is a 9−pin sub−D socket on the SFC−LACI terminal for
connecting it to the field bus. This connection is used for the
incoming and continuing field bus cables.
Note
Only the field bus plugs type FBS−SUB−9−GS−DP−B or
FBA−2−M12−5POL−RK from Festo comply with IP54.
Note the instructions in section 3.7.4 if other Sub−D plugs
are used.
Connection
Pin Designation Function Field bus
plug
1)
51
1 n.c. Not connected 
2 n.c. Not connected 
9
6
3 RxD/TxD−P Received/transmitted data P B
4 CNTR−P
2)
Repeater control signal
2)

5 DGND Data reference potential (M5V) 
6 VP Supply voltage positive (P5V) 
7 n.c. Not connected 
8 RxD/TxD−N Received/transmitted data N A
9 n.c. Not connected 
 Screening/
housing
Connection to functional earth Clamping
strap
1)
Pin assignment in field bus plug type FBS−SUB−9−GS−DP−B from Festo (see section 3.7.3)
2)
The repeater control signal CNTR−P is a TTL signal.
Tab.3/8: Controller interface I/F" on the SFC−LACI−...−PB