Siemens Simatic 620 Owner's Manual page 147

PROFIBUS/MPI Socket Connector *
The PROFIBUS/MPI socket connector on the Box PC has the following pinout:
Figure 7-7 PROFIBUS/MPI Socket Connector
Pin No.
1
2
3
4
5
6
7
8
9
Screen
* Optional product feature
SIMATIC Box PC 620 Manual
A5E00131465-01
1
5
Designation Description
NC Pin 1 is not assigned
NC Pin 2 is not assigned
LTG_B Signal line B of MPI module
RTS_AS RTSAS, control signal for received data
stream. The signal is "1" active when the pro-
grammable controller is sending.
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.
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.
NC Pin 7 is not assigned
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
6
9
Hardware Information
Input/output
-
-
Input/output
Input
Output
Output
-
Input/output
Output
7-15