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Siemens SIMATIC S7-300 Module data Hardware And Installation Manual

Siemens SIMATIC S7-300 Module data
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Commissioning
S7-300 Programmable Controller Hardware and Installation
A5E00105492-01
8-11
PROFIBUS bus cable
PG cable
= spur line
S7-300
S7-300
PG
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
SF
BUSF
DC5V
FRCE
RUN
STOP
SIEMENS
Figure 8-6 Connecting a PG to a subnet
MPI addresses for service PGs
If there is no stationary PG, we recommend:
To connect it to an MPI subnet with "unknown" node addresses, set the following
addresses on the service PG:
MPI address: 0
Highest MPI address: 126.
Using STEP 7, you then determine the highest MPI address in the MPI subnet and
adapt the highest MPI address in the PG to that of the MPI subnet.

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Siemens SIMATIC S7-300 Module data Specifications

General IconGeneral
SeriesS7-300
ManufacturerSiemens
Protection ClassIP20
SystemSIMATIC S7-300
Digital InputsVaries by module
Digital OutputsVaries by module
Analog InputsVaries by module
Analog OutputsVaries by module
Central Processing UnitVaries by CPU model
Supply Voltage24V DC or 120/230V AC
CPU TypeVaries (e.g., CPU 312, CPU 315, etc.)
MemoryVaries by CPU model
Communication InterfacesMPI, PROFIBUS
Programming LanguagesLAD, FBD, STL, SCL, GRAPH
Operating Temperature0°C to 60°C
Storage Temperature-40°C to 70°C
Relative Humidity10% to 95% (non-condensing)

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