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Detailed descriptions
16.1 Motherboard
PROFIBUS/MPI interface, X600
PROFIBUS/MPI interface
Pinno.
1
2
3
4
5
6
7
8
9
Shield
Optional product feature
1
132
1
Short name
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" when the directly
connected AS is sending.
M5EXT
M5EXT return line (GND) of 5 V power supply.
The current load of an external consumer
connected between P5EXT and M5EXT may
not exceed the 90 mA.
P5 EXT
P5EXT power supply (+5 V) of the 5 V power
supply. The current load of an external
consumer connected between P5EXT and
M5EXT may not exceed the 90 mA.
–
Not used
LTG_A
Signal line A of the MPI module
RTS_PG
RTS output signal of the MPI module. The
control signal is "1" when the programming
device is sending.
on connector casing
Input / output
–
–
Input/output
Input
Output
Output
–
Input/output
Output
SIMATIC Rack PC 847B
Operating Instructions, 06/2008, A5E02203168-01
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