Here are what concerned about Siemens products.





:.:Overview :.:

SIMATIC automation overview:

SIMATIC is the well-proven basic automation system for solving automation tasks in every sector,

comprising standard components in hardware and software that open up a wide range of 

possibilities for customized expansions.

The SIMATIC family comprises the following components that complement each other perfectly:

·          PLCs

·          Distributed I/Os

·          Programming devices

·          SIMATIC Industrial Software

·          Micro Automation Sets

·          Component Based Automation

·          Machine Vision (see "Sensors, measuring systems and testing technology")


Catalog ST 50:

Additional information about SIMATIC S5 can be found in Catalog ST 50.

Additional information is available in the Internet under:


Catalog ST 70:

Additional information about SIMATIC S7 can be found in Catalog ST 70.

Additional information is available in the Internet under:










The compact, easy-to-use and low-cost solution for simple control tasks

·          Compact, easy to operate, universally applicable without accessories

·          "All in one": Integrated display and operator panel

·          34 different functions can be linked by pressing a key or with PC software; up to a total of 130 times

·          Functions can be changed easily at the touch of a button.


No need for complex and time-consuming rewiring


Catalog ST 70:

Additional information on LOGO! can be found in Catalog ST 70.

Additional information is available in the Internet under:




:.:Simatic Industrial Automation:.:

With fifteen years of innovation in the area of programmable controllers, SIMATIC not only leads the global market but has also become synonymous with programmable controllers. In order to maintain this position in the future as well, and in order to make sure that our PLC system will be able to cope with the challenges the future may bring, we offer a completely innovated system platform: SIMATIC S7. Since we wanted to safeguard your investments and know-how, we have made sure that SIMATIC S7 is compatible with existing SIMATIC systems.

PLCs don’t just perform open-loop control these days, they also handle

·          Closed-loop control,

·          Positioning,

·          Counting, proportioning,

·          Valve control and much more.

For this purpose, there are intelligent I/O modules. They are microprocessor-controlled and execute

time-critical special tasks completely autonomously, and they have a direct connection to the process via their own input/output channels. This avoids additional loads for the CPU.


Distributed I/Os

If it is necessary to bridge large distances between the process and the I/O modules, the wiring can become very complex and susceptible to faults. If a modular and flexible automation system is required, we recommend use of distributed I/O systems:

·          With the distributed I/O system ET 200, remote I/O devices, small control systems and numerous other field devices can be operated remotely from the process location up to a distance of 23 km. The connected devices are interconnected via the fast PROFIBUS DP fieldbus to EN 50 170.


Programming devices, software

The SIMATIC family offers an attractive overall programming devices concept – from the low-cost handheld programming devices to the especially powerful desktop programming devices.

And to match these – our software. Starting with the operating system:

·          Windows NT/2000/XP - for the proven SIMATIC software and for all PC applications

  • And our STEP 7 software makes programming your controller quick and simple. A single software package for development, documentation and testing.


Industrial PCs

The rugged industrial PCs of the SIMATIC range are the ideal tools for acquiring, processing and archiving machine data and process data, for operator control and visualization of material flows and manufacturing sequences, as well as for process control tasks.


Human machine interface

The more complex automated processes become, the more important it is to have ”human-machine

communication” suited to the process.

Our range of SIMATIC HMI devices provides the right solution for every task.


Open communication

The productivity of any manufacturing system depends to a great extent on the flexibility of the control systems used. Decentralization means increased flexibility but also an increased need for devices to exchange data with each other and with a host computer.

SIMATIC offers a choice of two solutions for this purpose:

·          Direct point-to-point connection from CPU to CPU or via communication processors where only a few nodes are to be linked

·          Communication via the Industrial Ethernet or PROFIBUS local area networks where larger numbers of programmable controllers are to be linked.



Services such as qualified consultation, reliable maintenance or training all help you to realize the full

potential of your SIMATIC.


Simatic S7-200


·          The micro PLC offers maximum automation at minimum cost

·          Extremely simple installation, programming and operation

·          Large-scale integration, space-saving, powerful

·          Can be used both for simple controls and for complex automation tasks

·          All CPUs can be used in standalone mode, in networks and within distributed structures

·          Suitable for applications where programmable controllers would not have been viable in the past

·          With outstanding real-time performance and powerful communication options


(PPI, PROFIBUS DP, AS-Interface)

CPU 221:

the smart compact solution

CPU 222:

the superior compact solution

CPU 224:

the compact high-performance CPU

CPU 224XP:

the compact high-performance CPU, with 2 com port, and 2AQ/1AQ built in.

CPU 226:

the high-performance package for complex technical tasks


Catalog ST 70:

Additional information about SIMATIC S7-200 can be found in Catalog ST 70.

Additional information is available in the Internet under:


Simatic S7-300


·          The modular mini PLC system for the lower and mid performance ranges

·          With comprehensive range of modules for optimum adaptation to the automation task

·          Flexible use through simple implementation of distributed structures and versatile networking

·          Convenient system as result of user-friendly handling and uncomplicated, fan-free configuration

·          Can be expanded without problems when the tasks increase

·          Powerful thanks to a large number of integrated functions


·          15 different CPUs:

-6 compact CPUs (with integrated technology functions and I/O)

-6 standard CPUs (CPU 312, CPU 314, CPU 315-2 DP, CPU 317-2 DP, CPU 317-2 PN/DP, CPU 318-2 DP)

-1 technology CPU (CPU 317T-2 DP)

-2 failsafe CPUs (CPU 315F-2 DP, CPU 317F-2 DP)

·          4 CPUs also available for an extended ambient temperature range of -25°C to +60°C

·          Graded performance spectrum for a wide range of different applications


Simatic S7-400

·          The power PLC for medium to upper performance ranges

·          The solution for even the most demanding tasks

·          With a comprehensive range of modules and performance-graded CPUs for optimal adaptation to the automation task

·          Flexible in use through simple implementation of distributed structures; convenient connection method

·          Ideal communication and networking options

·          Convenient system as result of user-friendly handling and uncomplicated, fan-free configuration

·          Can be expanded without problems when the tasks increase

·          Multicomputing:

Simultaneous operation of a number of CPUs in a single S7-400 central controller.

Multicomputing segments the overall power of an S7-400. For example, complex tasks can be divided according to technology (open-loop control, closed-loop control or communication) and assigned to different CPUs,thereby allocating each CPU its own local I/O.

·          Modularity:

The high-performance backplane bus on the S7-400 and the communication interfaces,

which can be inserted directly into the CPU, provide the conditions for numerous communication lines to function efficiently. This enables a separate communication line to be set up for HMI and programming tasks, one for high-performance equidistant motion-control components and one  "standard" I/O fieldbus. Additional connections to MES/ERP systems or the Internet that might be required can also be set up.

·          Engineering and diagnostics:

In particular in complex automation solutions with an increased engineering component,

the S7-400 can be programmed and configured very efficiently in conjunction with the SIMATIC engineering tools. Available features include high-level languages such as SCL and graphics-based engineering tools for sequence control systems, state graphs and function charts.


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