Control Interface - Festo CPX Series Manual

2. Fitting and installation
2.4

Control interface

Plugs Pin
1
2
3
4
5
6
7
8
9
Housing
(plug)
1)
If a motor controller with external voltage supply is connected, CAN Ground (optional), pin 6,
on the CPX-CMXX must not be used.
2)
FE: Functional earthing
Tab. 2/4: Pin assignment of the control interface
Festo P.BE-CPX-CMXX-EN en 1102b
The motor controllers of the multi-axis system are connected
via the CAN bus to the control interface of the CPX-CMXX.
CAN bus parameters:
– Transmission rate: 1 Mbps
– Data profile: DS 402
– Max. line length: 25 m
The control interface of the CPX-CMMX is designed as a 9-pin
sub-D plug:
Signal Internal
contacts
n.c.
CAN_L
CAN_GND
n.c.
CAN_SHLD
CAN_GND
CAN_H
n.c.
n.c.
FE
The CPX-CMXX does not provide any voltage for the connected
CAN bus slaves via the control interface.
Explanation
Not connected
CAN low
CAN ground
Not connected
Connection to functional earth (FE)
CAN ground (optional)
CAN high
Not connected
Not connected
The plug housing must be connected
2)
to FE
2)
1)
2-9