Technical data

Hardware Information
8-22
SIMATIC Box PC 620 Manual
C79000-G7076-C639-02
MPI/DP Socket Connector
The MPI/DP socket connector on the SIMATIC box PC 620 has the following
pinout:
1
5
6
9
Figure 8-6 MPI/DP Socket Connector
Pin No.
Designation Description Input/output
1 NC Pin 1 is not assigned -
2 NC Pin 2 is not assigned -
3 LTG_B Signal line B of MPI module Input/output
4 RTS_AS RTSAS, control signal for received data
stream. The signal is “1” active when the pro-
grammable controller is sending.
Input
5 M5EXT M5EXT return line (GND) of the 5 V power
supply. The current load caused by an exter-
nal user connected between P5EXT and
M5EXT must not exceed max. 90 mA.
Output
6 P5 EXT P5EXT power supply (+5 V) of the 5 V power
supply. The current load caused by an exter-
nal user connected between P5EXT and
M5EXT must not exceed max. 90 mA.
Output
7 NC Pin 7 is not assigned -
8 LTG_A Signal line A of the MPI module Input/output
9 RTS_PG RTS output signal of the MPI module. The
control signal is “1” when the programming
device is sending.
Output
Screen on connector casing