User Manual

3. Installation
3−16
Festo GDCP−SFC−LACI−DN−EN 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 plug on the SFC−LACI for connecting
the
field bus. This connection is used for the incoming and
continuing field bus cables.
Note
Only field bus plugs of type FBS−SUB−9−BU−2x5−POL−B and
FBA−2−M12−5−POL from Festo ensure conformance to IP54.
Note the instructions in section 3.7.5 if oth
er Sub−D plugs
are used.
Connection
Pin Designation Function Field bus
plug
1)
15
1 n.c. Not connected 
2 CA N_L CAN Bus Low A/L
6
9
3
2)
CAN GND CAN bus reference potential GND
4 n.c. Not connected 
5 CA N_SHLD Capacitive connection to housing Clamping
strap
6
2)
CAN_V Bus interface voltage supply
reference potential

7 CA N_H CAN Bus High B/H
8 n.c. Not connected 
9 CA N_V+ Power supply to the bus interface V+
 Screening/
housing
Connection to functional earth Clamping
strap
1)
Pin assignment in the field bus plug type FBS−SU B−9−BU−2x5POL−B
2)
Pin 3 and pin 6 are connected internally with each other in the SFC−LACI−DN.
Tab.3/8:I/F" connection (control terminal) on the SFC−LACI−...−DN