Siemens SIMATIC ET 200AL - Page 212

Wiring
3.2 Pin assignment
Interface module IM 157-1 PN (6ES7157-1AB00-0AB0)
Manual, 12/2016, A5E32347036-AD
23
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 assignment for ET-Connection
Pin
Assignment
Assignment of
the wire color of
the bus line cable
for
ET-Connection
Front view of the sockets
X30 socket
(ET-Connection1)
X31 socket
(ET-Connection2)
X30
X31
1
RXP
RXP
Yellow
2 TXP TXP White
3
TXN
TXN
Blue
4 RXN RXN Orange
Shield-
ing
Functional earth FE -
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 assignment of the supply voltage connector
Pin
Assignment
Assignment of the wire
color of the power line
cable
Front view of the
connector
X80 connector (power input)
1
Supply voltage 1L+ (non-switched)
Brown
2
Ground 2M (switched)
White
3
Ground 1M (non-switched)
Blue
4 Load voltage 2L+ (switched) Black
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 assignment of the supply voltage socket
Pin
Assignment
Assignment of the wire
color of the power line
cable
Front view of the
socket
X81 Socket (power output)
1
Supply voltage 1L+ (non-switched)
Brown
2
Ground 2M (switched)
White
3 Ground 1M (non-switched) Blue
4 Load voltage 2L+ (switched) Black