L+
1
4
brn
blk
NC
2
wht
3
M
Q1/Q1/C
blu
5
MF
gra
Figure 5: Male connector, M12, 5-pin
Table 2: Pin assignment UC40-xxxxxB
Contact
Signs
Wire color
Description
1
L+
Brown
Supply voltage,
2
N/C
White
Not assigned
3
M
Blue
Supply voltage: 0 V
4
Q 1 / Q1 / C Black
Digital output 1, IO-Link communication
5
MF
Gray
Multifunction input (MF), synchronization and
multiplex operation, communication via Con‐
nect+ software
UC40-xxxxxH
1
4
3
5
2
L+
1
4
brn
blk
Q
A
/Q2/Q2
2
wht
3
M
Q1/Q1/C
blu
5
MF
gra
Figure 6: Male connector, M12, 5-pin
Table 3: Pin assignment UC40-xxxxxH
Contact
Signs
Wire color
Description
1
L+
Brown
Supply voltage,
2
Q
A
/Q2 / Q2
White
Analog output or digital output 2
3
M
Blue
Supply voltage: 0 V
4
Q1 / Q1 / C
Black
Digital output 1, IO-Link communication
5
MF
Gray
Multifunction input (MF), synchronization and
multiplex operation, communication via Con‐
nect+ software
6
ELECTRICAL INSTALLATION
20
O P E R A T I N G I N S T R U C T I O N S | UC40
8027772//2022-08-11 | SICK
Subject to change without notice