Siemens CPU 312C

&RPPLVVLRQLQJ
S7-300 Automation System, Hardware and Installation: CPU 31xC and CPU 31x
9-6 A5E00105492-03
 &RPPLVVLRQLQJWKH0RGXOHV
 &RQQHFWLQJWKH3*
5HTXLUHPHQW
The programming device must be equipped with an integrated MPI interface or an
MPI card in order to connect it to an MPI.
&DEOHOHQJWK
For information on possible cable lengths refer to the Chapter &RQILJXULQJ&DEOH
/HQJWKV.
&RQQHFWLQJD3*WRDQ6
1. Connect the PG to the MPI interface of your CPU  using a preassembled PG
cable. Alternatively, you can produce the connecting leads with PROFIBUS
cable and bus connectors yourself (refer to Chapter :LULQJ&RQQHFWLQJ%XV
&RQQHFWRUV). The figure below illustrates the connection between PG and CPU
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
PG
CPUPS
SM
MPI
1
Figure 9-1 Connecting a PG to an S7-300