Siemens SIMATIC ET 200AL - Page 159

Wiring
3.3 Configuring PROFIBUS DP address and terminating resistor
Interface module IM 157-1 DP (6ES7157-1AA00-0AB0)
16 Manual, 12/2016, A5E32100641-AD
Pin assignment of the connector for infeed of the supply voltage
The following table shows the pin assignment of the connector 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 table below shows the pin assignment of the socket 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
NOTICE
ET-Connection/supply voltage
Observe the correct wiring of the M8 sockets for ET-Connection and the supply voltage.
Mixing up the ET-Connection connectors and the connectors for the supply voltage can
destroy the module.