Detailed descriptions
16.1 Motherboard
SIMATIC Box PC 627
Operating Instructions, Release 05/2006, A5E00362052-03
16-5
PROFIBUS / MPI interface, X600
PROFIBUS/MPI interface
1)
PinNo. Abbreviation Meaning Input /Output
1 – Not assigned –
2 – Unassigned –
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
directly connected PLC is sending.
Input
5 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.
Output
6 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.
Output
7 – not assigned –
8 LTG_A Signal line A of MPI module Input/output
9 RTS_PG RTS output signal of the MPI module. The
control signal is "1" when the PG is sending.
Output
Shield on connector casing
1
Optional product feature
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