Siemens S7-300 - Connecting a PG to an S7-300

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S7-300 Automation System, Hardware and Installation: CPU 312IFM - 318-2 DP
9-8 A5E00203919-01
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If you remove a memory card in POWER OFF mode and insert another memory
card with identical contents, the following happens after POWER ON:
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The CPU 318-2 goes into STOP mode and
requests memory reset.
The CPU switches to the mode it was in
prior to POWER OFF, that is, RUN or
STOP.
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The programming device must be equipped with an integrated MPI interface or an
MPI card in order to connect it to the MPI interface of your CPU.
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For information on possible cable lengths refer to the Chapter &RQILJXULQJ&DEOH
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1. Connect the programming device (PG) to the MPI interface of your CPU by
means of 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).
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
PG
CPUPS
SM
MPI
1
Figure 9-3 Connecting a PG to an S7-300