Siemens Simatic 620 User Manual
Page 147
Hardware Information
7-15
SIMATIC Box PC 620 Manual
A5E00131465-01
PROFIBUS/MPI Socket Connector *
The PROFIBUS/MPI socket connector on the Box PC has the following pinout:
1
5
6
9
Figure 7-7 PROFIBUS/MPI 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
*
Optional product feature