Siemens SIMATIC PG 720 P Manual page 99

MPI/DP Socket The MPI/DP socket connector on the PG 720 has the following pinout:
Connector
Figure 8-5
Signal
Pin No.
Description
PG 720 P Programming Device
C79000-G7076-C721-02
MPI/DP Socket Connector
Designation Description
1 NC Pin 1 is not assigned
2 NC Pin 2 is not assigned
3 LTG_B Signal line B of the MPI module
4 RTS_AS RTSAS, control signal for received data
stream. The control signal is "1" active
when PLC is sending.
5 M5EXT M5EXT return line (GND) of the 5 V
power supply. The current load caused
by an external user connected between
P5EXT and M5EXT must not exceed
max. 90 mA.
6 P5 EXT P5EXT power supply (+5V) of the 5 V
power supply. The current load caused
by an external user connected between
P5EXT and M5EXT must not exceed
max. 90 mA.
7 NC Pin 7 is not assigned
8 LTG_A Signal line A of the MPI module
9 RTS_PG RTS output signal of the MPI module.
The control signal is "1" when the
programming device is sending
Shield – On connector casing
Hardware Information
1
6
9
5
Input/
Output
Input/output
Input/output
–
–
Input
Output
Output
–
Output
–
8-11