Type 8791 REV.2
Electrical connection
10.4 Electrical installation, IO-Link
2
3
1
5
4
M12 plug x 1, 5-pin
Fig. 23: Pin assignment
Pin assignment port class A
Pin
Designation
Assignment
1
L +
24 V DC
2
I/Q
NC
3
L –
0 V (GND)
4
C/Q
IO-Link
5
NC
NC
Tab. 22: Pin assignment port class A
Pin assignment port class B
Pin
Designation
Assignment
1
L +
24 V DC
2
P24
24 V DC
3
L –
0 V (GND)
4
C/Q
IO-Link
5
N24
0 V (GND)
Tab. 23: Pin assignment port class B
1
3
2
4
M8 socket, 4-pin
(remote variant only)
System supply
Not used
System supply
Communication
Not used
System supply
Actuator supply
System supply
Communication
Actuator supply
You can find the pin assignment of the remote variant in
the chapter "10.6"
10.5 Electrical installation, büS
2
3
1
5
4
M12 plug x 1, 5-pin
Fig. 24: Pin assignment
Pin
Wire colour
1
CAN label/shielding
2
red
3
black
4
white
5
blue
Tab. 24: Pin assignment
For electrical installation with büS network note the
following:
Use a 5-pin circular plug and a shielded 5-wire cable.
The shielding is capacitively connected to the functional
earth through the device.
english
1
3
2
4
M8 socket, 4-pin
(remote variant only)
Assignment
CAN label/shielding
24 V DC ±25%
max. residual ripple 10%
GND/CAN_GND
CAN_H
CAN_L
33
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