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Tự Động Hoá Với Simatic S7- 300

Tài liệu tham khảo về Simatic S7- 300. Tài liệu bằng tiếng anh. Automation and Drives SIMATIC S7-300 Workshop to promote the S7-300 automation platform A&D AS SM6, Page 1 Automation and Drives SIMATIC S7 system family Positioning / S7-400 Range High-end and mid performance range Innovation S7-300  Large quantitative framework Synchronism  High performance in communication throughput Roadmap S7-300 Mid and low-end performance range  Max. of 2 interfaces (field bus, cell bus)  Medium performan

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  1. Automation and Drives SIMATIC S7-300 Workshop to promote the S7-300 automation platform A&D AS SM6, Page 1
  2. Automation and Drives SIMATIC S7 system family Positioning / S7-400 Range High-end and mid performance range Innovation S7-300  Large quantitative framework Synchronism  High performance in communication throughput Roadmap S7-300 Mid and low-end performance range  Max. of 2 interfaces (field bus, cell bus)  Medium performance in throughput S7-200 Low-end performance range A&D AS SM6, Page 2
  3. Automation and Drives S7-300 - Memory, performance and quantitative framework 312 314 315-2DP 317-2DP 317- 2PN/ Positioning / Range DP Innovation S7-300 Main memory 16 KB 48 KB 128 KB 512 kB 512 kB Synchronism Instructions 5k 16 k 42 k 170 k 170 k Roadmap Load memory 8 MB 8 MB 8 MB 8 MB 8 MB Command runtimes 200 ns 100 ns 100 ns 100 ns 100 ns - Binary commands 1 µs 0,5 µs 0,5 µs 0,1 µs 0,1 µs - Word commands 30 µs 15 µs 15 µs 4 µs 4 µs - Floating-point c. 6 12 16 32 32 Comm. res. 1k 2k 16 k 32 k 32 k Flags 128 / 128 256 / 256 256 / 256 512 / 512 512 / 512 Times / Counters 1024 1024 2048 8192 8192 Address space I/O 256 1024 1024 1024 1024 No. of digital chan. 64 / 64 256 / 256 256 / 256 256 / 256 256 / 256 No. of analog channels I/O Objectives A&D AS SM6, Page 3
  4. Automation and Drives S7-300 Innovation - Overview Quantitative framework Positioning / Range Doubling of memory Innovation S7-300 Flags, timers, counters Performance Processing speed Communication 4 x faster binary processing Miscellaneous 2 - 10 x faster floating-point commands Synchronism Roadmap Communication performance 100 Mbaud Ethernet up to 16 communications resources Communication paths PROFIBUS DPV1 PROFInet / CbA Technology platform Controlling, counting, positioning A&D AS SM6, Page 4
  5. Automation and Drives Innovations - Features and benefits (I) High processing speed Positioning / Range  4x faster processing of binary word commands Innovation S7-300  10x faster floating-point arithmetic Performance  Increased system reaction time Communication Miscellaneous Synchronism Roadmap How does the customer benefit?  Performance-enhanced execution of user applications Particularly advantageous in motion control tasks and closed- loop control  Increased machine cycle times and throughput as a result of shorter program execution times A&D AS SM6, Page 5
  6. Automation and Drives Innovations - Features and benefits (II) The extended quantitative Positioning / framework Range Innovation S7-300  Main memory doubled Performance Communication  Operating hours counter Miscellaneous Synchronism  Timers / Counters Roadmap  Flags  Greater range of numbers Makes plant innovation possible while retaining the CPU A&D AS SM6, Page 6
  7. Automation and Drives Innovations – Extended quantitative framework What are the benefits to the customer? Positioning Additional resources for the user program / Range  Greater use of engineering tools Innovation S7-300 Memory requirements Performance Communication Miscellaneous Synchronism Roadmap Productivity  Portable from the smallest S7-300 to the largest S7-400  Better, modular and reusable programming  Greater use of IEC 61131-3 high-level programming languages  Manufacturer-independent programming Lower engineering costs and fewer programming errors through the use of engineering tools A&D AS SM6, Page 7
  8. Automation and Drives Innovations – Extended quantitative framework How does the customer benefit? Positioning / Range Additional resources for runtime software Innovation S7-300 Performance Communication Miscellaneous Synchronism Roadmap Solutions for technology tasks as runtime software A&D AS SM6, Page 8
  9. Automation and Drives Innovations – Extended quantitative framework Programming with STEP 7 (from V5.1 SP4) Positioning / Range The well-known tool for all functions and Innovation S7-300 applications Performance Communication Programming with STEP 7 Lite Miscellaneous The new programming package for Roadmap basic functions for simple stand- alone applications Features of STEP 7-Lite  Rapid familiarization due to intuitive working  Simpler project handling (project = CPU)  Migration i.e. data import into STEP 7 possible A&D AS SM6, Page 9
  10. Automation and Drives Innovations – Extended quantitative framework How does the customer benefit? Positioning / Range Additional resources for diagnostic software Innovation S7-300  System diagnosis Performance  Error diagnosis from the CPU up to the I/O Communication  Internal CPU services (e.g. error messages with time stamp) Miscellaneous Synchronism  Process diagnosis Roadmap  Critical process signals are monitored by a program  Easy planning with S7-PDIAG and ProAgent  Automatic alarms from CPU to HMI device Optimized fault analysis reduces downtimes and increases productivity A&D AS SM6, Page 10
  11. Automation and Drives Innovations - Features and benefits (III) Increased communication performance / Positioning / Range improved openness Innovation S7-300 Performance  15 OPs or active connections Communication  Support of PROFIBUS DPV1 standard Miscellaneous Synchronism How does the customer benefit? Roadmap  Greater degree of networking at the cell level  Increased data exchange with MES/ERP systems  Detailed error information from non-Siemens field devices makes finding errors easier  Reduced downtimes  Flexible optimization of field devices during operation  Reduced product changeover times A&D AS SM6, Page 11
  12. Automation and Drives Innovations - Features and benefits (IV) SIMATIC Micro Memory Card Positioning / Range  Flexible choice of memory size 64 KB – 8 MB Innovation S7-300  Restoring and back-up of data in RUN Performance  STEP 7 project storage Communication  Data are retained without a battery Miscellaneous Synchronism Roadmap How does the customer benefit?  Maintenance-free  Comments and symbols already on CPU in case servicing is required  Time-savings  New ways of archiving data and managing recipes  Reduced acquisition costs A&D AS SM6, Page 12
  13. Automation and Drives Innovations - Features and benefits (V) Compact design Positioning / Range  Reduced size for new CPUs Innovation S7-300  Higher channel density for analog output module Performance Communication Miscellaneous Synchronism Roadmap How does the customer benefit?  Saves space in the control cabinet A&D AS SM6, Page 13
  14. Automation and Drives Clock synchronized and Equidistance Positioning / Timing cycles without synchronism Range Innovation S7-300 T4 Synchronism Many cycles uncoordinated T1: Read in input signal Roadmap T2: Backplane bus distributed I/O T3: PROFIBUS DP T3 T5 T4: CPU program cycle T5: PROFIBUS DP T6: Backplane bus distributed I/O T2 T6 T7: Output signal T1 T7  The reaction time is the sum of all times (T1 to T7)  The output accuracy is the sum of the times from the CPU to the output (T4 to T7) A&D AS SM6, Page 14
  15. Automation and Drives Clock synchronized and equidistance Timing cycles with Clock synchronized Positioning / Range Innovation S7-300 Constant time System cycle Constant time Synchronism for sampling for outputting Roadmap inputs outputs  Coordinated times in a fixed system cycle  Reaction time ≤ 2 * system cycle  Using new output modules the accuracy can be increased to approx. 50 µs  The time of output is known exactly A&D AS SM6, Page 15
  16. Automation and Drives Clock synchronized and equidistance How does the customer benefit? Positioning / Range  Equidistant actual value acquisition and set value output Innovation S7-300  Precise time-based calculations (e.g. rotational speed) Synchronism  Motion control applications become more precise Roadmap  Control loops also possible via distributed I/O  Input and output of synchronous signals  Consistent I/O image via PROFIBUS line  Reaction times of inputs and outputs are constant and known  Signals coupled close in time can be distributed Objective: Max. 200 µ s jitter through the complete system Increased machine cycle times Reduced machine expansions A&D AS SM6, Page 16
  17. Automation and Drives Planning of stages of further development of S7-300 Positioning / Range SEP OCT NOV DEC SEP OCT NOV DEC Innovation S7-300 2001 2002 2003 Synchronism Roadmap 312 2. Step 312C 317- 2 PN/DP 314 313C S7-300 Compact 315- 2DP 313C - 2 PTP S7-300 (new) S7-300 (new) 313C - 2 DP step 1A step 1B 314C - 2 PTP 314C - 2 DP A&D AS SM6, Page 17
  18. Automation and Drives SIMATIC S7-300 CPU range S7-300 High End Positioning / Range 317- 2 PN/DP - 512k PN (Ethernet), DP Performance Innovation S7-300 S7-300 Memory Mid Range 317- 2 DP - 512k Synchronism Communication MPI/DP, DP Roadmap Based on 314C 315- 2 DP - 128k MPI, DP 314 - 48k MPI ca. 2800 - 3050 € 500 - 1250 € S7-300 Compact Class 312 - 16k MPI Price S7-300 345 - 1.360 € Low End 260 € A&D AS SM6, Page 18
  19. Automation and Drives The universal automation platform for discrete manufacturing SIMATIC S7-300 designed for Totally Integrated Automation A&D AS SM6, Page 19
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