1-2
S7-300,
Installation and Hardware
EW
A 4NEB 710 6078-02a
An
S7-300 programmable controller is made up of the following compo
-
nents:
S
Power supply (PS)
S CPU
S
Signal modules (SM)
S
Function modules (FM)
S
Communication processor (CP).
Several S7-300s can communicate with each other over PROFIBUS bus
cables.
Y
ou require a programming device to program the S7-300. Y
ou hook the pro
-
gramming device up to the S7-300 with a special programming device cable.
Fig. 1-1 shows a possible configuration with two S7-300 programmable con
-
trollers. The components in the shaded area are described in this manual.
Power supply (PS)
Central processing unit CPU
Signal module (SM)
PROFIBUS bus cable
Programming device cable
Figure 1-1 Components of an S7-300
Configuring an
S7-300
Product Overview
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