Pin Assignment - Siemens SIMATIC ET 200AL Equipment Manual

3.2

Pin assignment

Note
Color coding
The sockets for ET-Connection and the power supply of the modules are color-coded. These
colors correspond to the colors of the offered cables.
Pin assignment of the sockets for PROFIBUS
The following table shows the pin assignment of the connectors and sockets for the
connection of PROFIBUS.
Table 3- 1
Pin
1
2
3
4
5
Shield-
ing
* The voltage may only be used for supplying the external terminating resistor. It is not permitted to
loop-through the voltage by means of a cable to the next connector.
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
IM 157-1 DP (6ES7157-1AA00-0AB0)
Equipment Manual, 08/2021, A5E32100641-AE
Pin assignment for PROFIBUS
Assignment
X1 DP1 connector X1 DP2 Socket
(feed in) (loop-through)
- Supply plus P5V*
Data cable A
Data reference potential M5*
Data cable B
Functional earth FE
Functional earth FE
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
Front view of the
connector
X1 DP1
Assignment of Front view of the sockets
the wire color of
X30
the bus line
cable for
ET-Connection
Yellow
White
Blue
Orange
-
Wiring
3.2 Pin assignment
Front view of the
socket
X1 DP2
X31
15