5
Installation
Festo – EXCM-40-EN – 2017-11a – English
37
Pin allocation for the encoder cable (attachment component)
Motor side
Controller side
Connection
Pin
Function
Pin
Connection
Socket M12,
(8-pin)
1
Signal trace A
1
Sub-D plug
(9-pin)
2
Signal trace A/
6
3
Signal trace B
2
4
Signal trace B/
7
6
Signal trace N
3
7
Signal trace N
8
5
Encoder (GND)
4
8
VCC auxiliary supply 5 V
5
Tab. 5.5
5.2.4
Earthing
Earthing of the Y-axis (traverse) and the attachment component
In the energy chain, 2 earthing cables are laid for
earthing the Y-axis (traverse).
Connect the open ends of the earthing cables
to the central earthing point (e.g. in the con
trol cabinet).
1
X-axis
2
Earthing point
3
Y-axis (traverse)
4
Slide of the Y-axis
5
Earthing component
1
2
3
4
5
Fig. 5.2
The earthing point
2
on the slide of the Y-axis
4
is used, for example, to earth an addi
tional gripper on the attachment component.
