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
Table 24: Pin assignment, MLG-2 Pro sender
Connection for receiver configuration: M12/4-pin, D-coded
Female connector
Pin Signal
Meaning
1
TX+
Ethernet
2
RX+
Ethernet
3
TX–
Ethernet
4
RX–
Ethernet
Table 25: Pin assignment, MLG2 Pro receiver, Ethernet
Receiver I/O connection with switching outputs (Q): M12/8-pin, Acoded
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
Table 26: Pin assignment, I/O, MLG2 Pro receiver, with 4 × Q
1
Configurable
Receiver I/O connection with analog outputs (QA): M12/8-pin, Acoded
5
ELECTRICAL INSTALLATION
44
O P E R A T I N G I N S T R U C T I O N S | MLG-2 Pro
8017460.ZIK1/2017-02-13 | SICK
Subject to change without notice