By Hans Berger
The booklet offers a whole review of the SIMATIC automation procedure and the TIA Portal with the engineering software STEP 7. "Automating with SIMATIC" addresses all those that
- are looking to get an outline of the elements of the method and their features,
- desire to familiarize themselves with the subject of programmable common sense controllers, or
- intend to procure easy wisdom approximately configuration, programming and interplay of the SIMATIC components.
first and foremost, the ebook introduces the of SIMATIC S7-1200, S7-300, S7-400 and S7-1500, together with the ET 2 hundred peripheral modules. this can be through describing the paintings with STEP 7 within the programming languages LAD, FBD, STL, SCL and S7-Graph, and offline trying out with S7-PLCSIM. the following part describes the constitution of the consumer application, that's via the representation of the knowledge verbal exchange among the controllers of the automation procedure in addition to with the peripheral units by means of use of the bus structures Profinet and Profibus. The booklet closes with a survey of the units for operator keep watch over and approach tracking and their configuration software program.
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Extra resources for Automating with SIMATIC: Controllers, Software, Programming, Data Communication
The Micro Memory Card can also be used to transfer the user program without a programming device to the CPU or to perform a firmware update of the CPU. Retentivity without backup battery Retentivity means that the contents of a memory area reFig. 8 SIMATIC main after the supply voltage is switched off and on again. Micro Memory Card With a CPU 300 this behavior enables retentive memory for bit memories, data variables, and timer and counter functions for SIMATIC. The user program is also stored in non-volatile form in the load memory on the Micro Memory Card so that a backup battery is not needed.
19 shows digital input modules with the various designs of the SIMATIC automation families in approximately the same scale. From left to right, these are the modules b SM 1221 (S7-1200: DI 16 × 24 V DC) b SM 521 (S7-1500: DI 32 × 24 V DC) b SM 321 (S7-300: DI 16 × 24 V DC), and b SM 421 (S7-400: DI 32 × 24 V DC). 53 2 SIMATIC Controllers – the Hardware Platform The same designs (appearance, proportions) apply for the entire module range of signal modules (SM), function or technology modules (FM, TM), and communication modules (CM, CP).
A digitized analog value is internally represented as a 16-bit integer (data type INT). A digitized analog value is internally represented as a 16-bit fixed point number (data type INT). Advanced analog modules supply diagnostic information about the state of the module or limit value information. Advanced analog modules supply diagnostic information about the state of the module or limit value information. For S7-1200 and S7-1500, the process image comprises all addresses of the I/O area. For S7-300 and S7-400, analog modules are preferably addressed outside of the process image, especially if they are read from or written to directly in closed-loop control circuits whose processing cycle is independent of the main program.