Connection of the sender: M12, 5-pin, A-coded
Table 15: Pin assignment, sender
Male connector Pin Signal Meaning Color
1 L+ 24 V supply voltage Brown
2 Sync_A Synchronization White
3 M GND supply voltage Blue
4 Test_In Test input Black
5 Sync_B Synchronization Gray
Connection for receiver configuration: M12, 4-pin, D-coded
Table 16: Pin assignment, receiver, Ethernet
Female connector Pin Signal Meaning
1 TX+ Ethernet
2 RX+ Ethernet
3 TX– Ethernet
4 RX– Ethernet
Receiver I/O connection with switching outputs (Q): M12, 8-pin, Acoded
Table 17: Pin assignment, I/O, receiver, with 4 × Q
Male connector Pin Signal Meaning Color
1 L+ 24 V supply voltage Brown
2 Sync_A Synchronization White
3 M GND supply voltage Blue
4 Q1 / C Switching output 1 with
IO-Link interface
Black
5 Sync_B Synchronization Gray
6 Q2 / IN1 Switching output 2 or
switching input 1
1
Pink
7 Q3 Switching output 3 Violet
8 Q4 / IN2 Switching output 4 or
switching input 2
1
Orange
1
Configurable
ELECTRICAL INSTALLATION 6
8024643/2019-09-02 | SICK O P E R A T I N G I N S T R U C T I O N | MLG-2 WebChecker
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Subject to change without notice