AUTOMATION
SOFTWARE |
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Modular
controllers SIMATIC S7 |
SIMATIC
S7-400 |
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SIMATIC
S7-200 |
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SIMATIC
S7-300 |
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SIMATIC
S7-400 |
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ET
200 Systems for Control Cabinets |
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ET
200S |
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ET
200M |
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Micro
Panels |
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SIMATIC
TD 100C |
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SIMATIC
TD 200 |
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SIMATIC
TD 200C |
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SIMATIC
TD 400C |
CPUs
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SIMATIC
OP73micro |
| CPUs
for demanding tasks |
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SIMATIC
TP 177micro |
There is a graded range of CPUs from the entry-level
CPU right up to the high-performance CPU for
configuring the controller. All CPUs control
large quantity structures; several CPUs can
work together in a multicomputing configuration
to boost performance. Thanks to their high
processing speed and deterministic response
times, the CPUs enable short machine cycle
times.
The different CPUs are distinguished
by, for example, work memory, address range,
number of connections and execution time.
As well as the standard CPUs, there are
also two failsafe and three fault-tolerant
CPUs available.
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Ask
About This Product |
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E-mail
Friend |
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| Signal
modules |
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Signal modules are the interface of the controller
to the process. A host of different digital
and analog modules provide exactly the inputs/outputs
required for each task. Digital and analog
modules differ as regards the number of channels,
voltage and current ranges, electrical isolation,
diagnostics and alarm functions, etc.
However, the S7-400 signal modules are only
a subset of the modules that can be connected
to the S7-400 via PROFIBUS DP. Centrally connected
signal modules can be connected and disconnected
during operation. This makes module replacement
extremely easy. |
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Function modules |
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The multi-facetted module range of S7-400
allows modular customization to suit the most
varied tasks.
Apart from the CPUs with integrated functions
and interfaces, there is a wide range of special
modules in S7-400 design for technology. |
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| Communication
processors |
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Communication processors are used for connecting
S7-400 to the different bussystems / communication
networks as well for point-to- point link. |
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Point-to-point
connection
Point-to-point link via communications processors
(CPs) is an extremely powerful and low-cost
alternative to bus systems. The advantage
of point-to-point links over bus systems is
especially pronounced when only a few (RS
485) devices are to be connected to the SIMATIC
S7.
The CPs can also easily link third-party systems
to the SIMATIC S7. Thanks to the great flexibility
of the CPs, different physical transmission
media, transmission rates or even customized
transmission protocols can be implemented.
For each CP, there is a configuring package
on CD with electronic manual, parameterization
screen forms and standard function blocks
for communication between the CPU and the
CP. The configuration data are stored in a
system block and backed up in the CPU. When
modules are replaced, the new module is therefore
immediately ready for use.
With the S7-400 point-to-point link modules,
adaptation to the physical transmission media
is achieved by plugging in the relevant interface
submodules, without the need for external
converters. |
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