Leuze electronic MSI 400 Series Manual page 102

NOTICE
i
Ä You can set an address within the 1 ... 99 range with the aid of the hardware address
switches.
Ä You can set an address within the 3 ... 125 range with the aid of the MSI.designer.
Ä The PROFIBUS master cannot overwrite the address.
Ä An amended address setting will only become effective once you have switched off the MSI
400 system and switched it on again.
Ä In the online mode, you can read out the address set at the PROFIBUS-DP gateway by
clicking on the Read button above the PROFIBUS address field.
Pin assignment
Connection to the PROFIBUS-DP field bus is via a 9-pin D-sub socket.
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Fig. 9.2: Pin configuration of D-sub socket and plug for the MSI-FB-PROFIBUS module
Tab. 9.3: Reference for pin configuration
Pin
1
2
3
4
5
6
7
8
9
SHLD
Bus cable
The bus topology for PROFIBUS DP is a linear structure consisting of a shielded and twisted 2-lead cable
with active bus termination at both ends. The potential bus lengths range from 100 m at 12 kbit/s to 1200 m
at 94 kbit/s.
Fig. 9.3: Bus cable of the MSI-FB-PROFIBUS module
Leuze electronic
Pin 9
Pin 8
Pin 7
Pin 6
SHLD
Description
NC
NC
RxD/TxD-P
CNTR-P
GND-EXT
+5V-EXT
NC
RxD/TxD-N
CNTR-N (GND-EXT)
Shielding
MSI 400
PROFIBUS DP gateway
102