3
Connection cable, M12, 5-pin
4
End connector
5
MLP1 safety switch (M12, 8-pin)
6
T-connector
7
Connection cable, M12, 8-pin
8
Other safety switch, M12, 8-pin
NOTE
In a cascade, other safety switches within the cascade can also be used via special T-
connectors as long as the connections are structured as follows:
8
2
3
4
5
7
1
6
Table 9: Device connection pin assignment (male connector, M12, 8-pin, A-coded)
Pin
Wire color
1)
Designation
Description
1
White
–
–
2)
2
Brown
+24 V DC
Safety switch voltage supply
3
Green
N. c.
or
+24 V DC
Not connected
or
Voltage supply for locking device
3)
4
Yellow
In 2
OSSD 2 input
5
Gray
OSSD 1
OSSD 1 output
6
Pink
OSSD 2
OSSD 2 output
7
Blue
0 V
0 V DC voltage supply
8
Red
In 1
OSSD 1 input
1)
Applies to the extension cables recommended as accessories.
2)
Pin 1 is not assigned on T-connector. Safety switch signals to pin 1 are not relevant for the cascade (
).
3)
The locking device must function in accordance with the power to lock principle.
Combining connection methods as desired
The various connection methods can be combined within a cascade as desired.
6
ELECTRICAL INSTALLATION
28
O P E R A T I N G I N S T R U C T I O N S | MLP1
8020169/ZJN1/2018-03-21 | SICK
Subject to change without notice