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2.4 Pin assignment of the control interface
The drive controllers of the multi-axis system are
connected via the CAN bus to the control interface of the
CPX-CMXX.
Plug
Pin
1
2
3
4
5
6
7
8
9
Housing
(plug)
1)
If a drive controller with external voltage supply is connected,
CAN Ground (optional), pin 6, on the CPX-CMXX must not be used.
2)
FE: Functional earth
The CPX-CMXX does not provide any voltage for the
connected CAN bus slaves via the control interface.
Festo CPX-CMXX 1102b English
Signal
Internal
contacts
n.c.
CAN_L
CAN_GND
n.c.
CAN_SHLD
CAN_GND
CAN_H
n.c.
n.c.
Explanation
not connected
CAN Low
CAN Ground
not connected
Connection to FE
CAN Ground (optional)
CAN High
not connected
not connected
The plug housing must
be connected to FE
FE
2)
1)
2)
23
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