Siemens SIMATIC - Page 17

Wiring
3.2 Pin assignment
I/O device digital inputs DI 16x24VDC M12-L 8xM12 (6ES7141-6BH00-0BB0)
16 Equipment Manual, 06/2021, A5E46570510-AB
Pin assignment of the connector for infeed of the supply voltage (M12 L-coded)
The table below shows the pin assignment of the M12 L-coded connector for infeed of the
supply voltage.
Table 3- 3 Pin assignment of the supply voltage connector
Pin Assignment of the
core color of the
power cable
Assignment
Front view of the
connector
X80 - connector (POWER input)
1
Brown
Supply voltage 1L+ (non-switched)
2
White
Ground 2M (switched)
3
Blue
Ground 1M (non-switched)
4
Black
Load voltage 2L+ (switched)
Pin assignment of the socket for loop-through of the supply voltage (M12 L-coded)
The table below shows the pin assignment of the M12 L-coded socket for loop-through of the
supply voltage.
Table 3- 4 Pin assignment of the supply voltage socket
Pin Assignment of the
core color of the
power cable
Assignment
Front view of the
socket
X81 - socket (POWER output)
1
Brown
Supply voltage 1L+ (non-switched)
2
White
Ground 2M (switched)
3
Blue
Ground 1M (non-switched)
4
Black
Load voltage 2L+ (switched)