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Technical specifications
9.4 Interface description
PROFIBUS/MPI
The PROFIBUS/MPI socket has the following pinout:
Pin no.
1
2
3
4
5
6
7
8
9
Shield-
ing
88
Short designation
Meaning
–
Not used
–
Not used
LTG_B
Signal line B of MPI module
RTS_AS
RTSAS, control signal for received data
stream. The signal is "1" active when the di-
rectly connected PLC is sending.
M5EXT
M5EXT return line (GND) of the 5 V power
supply. The current load caused by an external
consumer connected between P5EXT and
M5EXT must not exceed the maximum of 90
mA.
P5 EXT
P5EXT power supply (+5 V) of the 5 V power
supply. The current load caused by an external
consumer connected between P5EXT and
M5EXT must not exceed the maximum of 90
mA.
–
Not used
LTG_A
Signal line A of MPI module
RTS_PG
RTS output signal of the MPI module. The
control signal is "1" when the PG is sending.
on connector casing
Input/output
–
–
Input/output
Input
Output
Output
–
Input/output
Output
SIMATIC Field PG M6
Operating Instructions, 12/2018, A5E43198909-AA
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