Siemens SIMATIC PG - MPI;DP Interface

Description of the device
1.6 MPI/DP interface
PC Adapter USB A2
12 Operating Instructions, 07/2022, C79000-G8976-C293-03
1.6 MPI/DP interface
Pin assignment
The MPI/DP socket has the following pin assignment:
Signal description
Pin no.
Short description
Meaning
Input/output
1
NC
not connected
-
2
NC
not connected
-
3
LTG_B
Data line B
Input and output
4 RTS_AS RTSAS, control signal for received data stream.
The signal is '1' active when the directly
connected S7 automation system sends.
Input
5 M5V Reference potential of the MPI/DP interface for
the signals RTS_AS and RTS_PG
Output
6
P5V
+5 V (only for bus termination)
Output
7
NC
not connected
-
8
LTG_A
Data line A
Input and output
9
RTS_PG
RTS output signal of the PC Adapter USB A2.
The signal is '1' when the PC Adapter USB A2
sends.
The signal is not included in the 0.3 m MPI cable!
Output
Shield
-
on connector housing*
-
* The shield is connected through to the USB socket via the adapter electronics module.