Siemens SIMATIC ET 200AL System Manual page 161

Table C-15 Pin assignment for ET-Connection (I/O modules)
Pin
Shield­
ing
Pin assignment of the connector for infeed of the supply voltage
The table below shows the pin assignment for infeed of the supply voltage.
Table C-16 Pin assignment of the supply voltage connector
Pin
Pin assignment of the socket for loop-through of the supply voltage
The table below shows the pin assignment for loop-through of the supply voltage.
Table C-17 Pin assignment of the supply voltage socket
Pin
Distributed I/O system
System Manual, 12/2023, A5E31861578-AL
Assignment
X30 socket
(ET-Connection
IN)
1 TXP
2 RXP
3 RXN
4 TXN
Functional earth FE
Assignment
X80 connector (power input)
1 Supply voltage 1L+ (non-switched)
2 Ground 2M (switched)
3 Ground 1M (non-switched)
4 Load voltage 2L+ (switched)
Assignment
X81 Socket (power output)
1 Supply voltage 1L+ (non-switched)
2 Ground 2M (switched)
3 Ground 1M (non-switched)
4 Load voltage 2L+ (switched)
Assignment of the
core color of the
X31 socket
bus cable for
(ET-Connection
ET‑Connection
OUT)
RXP yellow
TXP white
TXN blue
RXN orange
-
Accessories/spare parts
C.4 Pin assignment and core color
Front view of the sockets
X30
Assignment of the
core color of the
power cable
brown
white
blue
black
Assignment of the
core color of the
power cable
brown
white
blue
black
X31
Front view of the
connector
Front view of the
socket
161