Interface Modules
8-24
ET 200S Distributed I/O System
EWA-4NEB 780602402-12
Terminal assignment
The following table shows the terminal assignment of the IM151 3 PN interface
module for the 24 VDC voltage supply and PROFINET IO:
Table 8-10 Terminal assignment of the IM151 3 PN interface module
View
Signal name Name
1 TD Transmit Data +
e
2 TD_N Transmit Data --
1
3 RD ReceiveData+
4 GND Ground
5 GND Ground
8
6 RD_N Receive Data --
7 GND Ground
8 GND Ground
2L+ 1M 2M1L+
1L+ 24 VDC
2L+ VDC (for loop through)
1M Chassis ground
2M Ground (for loop through)
Block diagram
6(P1)
2(P1)
7(P2)
3(P2)
Backplane bus
ET 200S
backplane bus
interface connection
Electronic
components
Internal power
supply
PROFINET
connection
Electrical
isolation
BF ON
SF
RJ45
RX/TX
LINK
MMC
Figure 8-5 Block diagram for the IM151-3 PN interface module