Electrical connection
40 © SICK AG • Subject to change without notice • 8021823/126P/2018-12-17
7.4 Connection diagrams
7.4.1 Connection diagram supply voltage
L+
M
MF
1
2
4
wht
blu
brn
blk
3
Fig. 22: Connection diagram supply voltage, plug M12, 4-pin, A-coded
Contact Marking Wire color Description
1 L+ brown Supply voltage:
+18…+30VDC
2 MF2 white Multifunction output MF2
3 M blue Supply voltage: 0 V
4 MF1 black Multifunctional input and
output MF1
Table 7: Description plug supply voltage
7.4.2 Connection diagram Port 1 and Port 2 (Ethernet/PROFINET IO)
Tx+
Tx–
Rx
1
2
4
wht/grn
ora
wht/ora
grn
3
Fig. 23: Connection diagram Port 1 and Port 2, plug M12, 4-pin, D-coded
Contact Marking Wire color Description
1 Tx+ white/
orange
Send data signal, not inverted
2 Rx+ white/green Receive data signal, not inverted
3 Tx– orange Send data signal, inverted
4 Rx– green Receive data signal, inverted
Table 8: Description socket Port 1 and Port 2