Siemens SIMATIC ET 200AL System Manual page 504

Pin assignment of the socket for loop-through of the supply voltage
The table below shows the pin assignment of the socket for loop-through of the supply
voltage.
Table 3- 11
Pin
1
2
3
4
NOTICE
ET-Connection/supply voltage
Observe the correct wiring of the M8 sockets for ET-Connection and the supply voltage.
Mixing up the ET-Connection connectors and the connectors for the supply voltage can
destroy the module.
Digital input/Digital output module DIQ 16x24VDC/0.5A 8xM12 (6ES7143-5AH00-0BA0)
Equipment Manual, 08/2021, A5E38688112-AD
Pin assignment of the supply voltage socket
Assignment
X81 socket (POWER output)
Supply voltage 1L+ (non-switched)
Ground 2M (switched)
Ground 1M (non-switched)
Load voltage 2L+ (switched)
Configuration modes for digital inputs/outputs
Assignment of the
core color of the
power cable
Brown
White
Blue
Black
3.2 Wiring
Front view of the
socket
21