Siemens SIMATIC ET 200AL System Manual page 212

Pin assignment of the sockets for ET-Connection
The table below shows the pin assignments of the 2 sockets for the connection of
ET-Connection.
Table 3- 2
Pin
1
2
3
4
Shield-
ing
Pin assignment of the connector for infeed of the supply voltage
The following table shows the pin assignment for infeed of the supply voltage.
Table 3- 3
Pin
1
2
3
4
Pin assignment of the socket for loop-through of the supply voltage
The following table shows the pin assignment for loop-through of the supply voltage.
Table 3- 4
Pin
1
2
3
4
Interface module IM 157-1 PN (6ES7157-1AB00-0AB0)
Manual, 12/2016, A5E32347036-AD
Pin assignment for ET-Connection
Assignment
X30 socket X31 socket
(ET-Connection1) (ET-Connection2)
RXP RXP
TXP TXP
TXN TXN
RXN RXN
Functional earth FE
Pin assignment of the supply voltage connector
Assignment
X80 connector (power input)
Supply voltage 1L+ (non-switched)
Ground 2M (switched)
Ground 1M (non-switched)
Load voltage 2L+ (switched)
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)
Assignment of Front view of the sockets
the wire color of
X30
the bus line cable
for
ET-Connection
Yellow
White
Blue
Orange
-
Assignment of the wire
color of the power line
cable
Brown
White
Blue
Black
Assignment of the wire
color of the power line
cable
Brown
White
Blue
Black
Wiring
3.2 Pin assignment
X31
Front view of the
connector
Front view of the
socket
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