Siemens SIMATIC ET 200AL System Manual page 128

Accessories/spare parts
C.3 Pin assignment and core color
General information
Type of cable outlet
Number of connectors
Connector housing material
Wire insulation material
Cable sheath material
Material property halogen free
Material property silicon free
C.3 Pin assignment and core color
Pin assignment of the sockets for ET-Connection
The tables below shows the pin assignments of the 2 sockets for the connection of
ET-Connection.
Table C- 14
Pin
1
2
3
4
Shield-
ing
Table C- 15
Pin
1
2
3
4
Shield-
ing
126
Pin assignment for ET-Connection (interface modules)
Assignment
X30 socket X31 socket
(ET-Connection1) (ET-Connection2)
RXP RXP
TXP TXP
TXN TXN
RXN RXN
Functional earth FE
Pin assignment for ET-Connection (I/O modules)
Assignment
X30 socket X31 socket
(ET-Connection (ET-Connection
IN) OUT)
TXP RXP
RXP TXP
RXN TXN
TXN RXN
Functional earth FE
180° cable outlet
90° cable outlet (with angled connectors)
1 or 2
Plastic
PP
PE-PUR
Yes
Yes
Assignment of Front view of the sockets
the core color of
the bus cable for
ET-Connection
yellow
white
blue
orange
-
Assignment of Front view of the sockets
the core color of
the bus cable for
ET-Connection
yellow
white
blue
orange
-
System Manual, 08/2021, A5E31861578-AJ
X30 X31
X30 X31
Distributed I/O system