Siemens SIMATIC ET 200AL - Page 211

Wiring
3.2 Pin assignment
Interface module IM 157-1 PN (6ES7157-1AB00-0AB0)
22 Manual, 12/2016, A5E32347036-AD
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 PROFINET
The following table shows the pin assignment of the two sockets for PROFINET.
Table 3- 1 Pin assignment of the PROFINET sockets
Pin
Assignment
Front view of the sockets
X1 P1 R
Socket
X1 P2 R
Socket
X1 P1 R
X1 P2 R
1
TXP
RXP
2
RXP
TXP
3
TXN
RXN
4
RXN
TXN
Shield-
ing
Functional earth FE
Note
Pin assignments
If you disable "Autonegotiation" in STEP 7, you must pay attention to the different pin
ass
ignments of X1 P1 R and X1 P2 R.