CPU-CPU Communication with SIMATIC Controllers

1 Compendium 07/2013. CPU-CPU Communication with SIMATIC Controllers SIMATIC S7. Warranty and liability Warranty and liability Note The Application Examples are not binding and do not claim to be complete regarding the circuits shown, equipping and any eventuality. The Application Examples do not represent customer-specific solutions. They are only intended to provide support for typical applications. You are responsible for ensuring that the described products are used correctly. These application examples do not relieve you of the responsibility to use safe practices in application, installation, operation and maintenance.

2 When using these Application Examples, you recognize that we cannot be made liable for any damage/claims beyond the liability clause described. We reserve the right to make changes to these Application Examples at any time without prior notice. If there are any deviations between the recommendations provided in these application examples and other Siemens publications Catalogs the contents of the other documents have priority. We do not accept any liability for the information contained in this document. Any claims against us based on whatever legal reason resulting from the use of the examples, information, programs, engineering and performance data etc.

3 , described in this Application Example shall be excluded. Such an exclusion shall not apply in the case of mandatory liability, under the German Product Liability Act ( Produkthaftungsgesetz ), in case of intent, gross negligence, or injury of life, body or health, guarantee for the quality of a product, fraudulent concealment of a deficiency or breach of a condition which goes to the root of the contract ( wesentliche Vertragspflichten ). The damages for a breach of a substantial contractual obligation are, however, limited to the foreseeable damage, typical for the type of contract, except in the event of intent or gross negligence or injury to life, body or health.

4 The above provisions do not imply a change of the burden of proof to your detriment. Any form of duplication or distribution of these Application Examples or excerpts hereof is prohibited without the expressed consent of Siemens Industry Sector. Security Siemens provides products and solutions with industrial security functions that informa- support the secure operation of plants, solutions, machines, equipment and/or tion networks. They are important components in a holistic industrial security concept. With this in mind, Siemens' products and solutions undergo continuous development. Siemens recommends strongly that you regularly check for product updates.

5 For the secure operation of Siemens products and solutions, it is necessary to take suitable preventive action ( cell protection concept) and integrate each component into a holistic, state-of-the-art industrial security concept. Third-party products that may be in use should also be considered. For more information about industrial security, visit To stay informed about product updates as they occur, sign up for a product- specific newsletter. For more information, visit CPU-CPU Communication with SIMATIC . , Entry ID: 78028908 2 / 304. Table of Contents Table of Contents Warranty, Liability and 2.

6 1 Preliminary Remarks on the Document .. 14. Colored text 14. Subject of the 14. Purpose and objective of the document .. 16. Properties and benefits of the document .. 17. Scope of validity of this 17. Coverage of the document .. 18. Document 19. 2 Structure of the Document .. 20. PART 1: Introduction .. 20. PART 2: Selection aid .. 20. PART 3: Communication types .. 21. PART 4: Other Controllers .. 21. PART 5: Appendix .. 21. 3 Application of the Document .. 22. Notes on handling the document .. 22. Example for the application of the document .. 23. Copyright Siemens AG 2013 All rights reserved Task description.

7 23. Jump distributor .. 24. Overview of interfaces and Communication types .. 25. Combination controller 1 / controller 2 .. 26. Communication types .. 28. Summary .. 30. 4 ** PART 1: Introduction ** .. 31. Structure and content .. 31. 5 Models on CPU-CPU Communication .. 32. Definition of controller .. 32. Definition CPU-CPU Communication .. 32. CPUs in different central stations .. 33. CPUs in central and decentralized station .. 34. CPUs within a central station .. 35. 6 Connections for SIMATIC .. 36. Connections .. 36. 37. Connection resources .. 37. Establishing connections .. 38. Configured connection.

8 38. Non-configured connection .. 39. 7 Data Consistency with SIMATIC .. 41. Definitions .. 41. System-related data consistency .. 42. Advanced data consistency .. 43. 8 SIMATIC Controller .. 44. 9 Media for SIMATIC 46. 10 PROFINET/Industrial Ethernet (PN/IE) .. 47. CPU-CPU Communication with SIMATIC . , Entry ID: 78028908 3 / 304. Table of Contents Preliminary remarks .. 47. Ethernet .. 47. Industrial Ethernet (IE) .. 49. PROFINET (PN) .. 50. 11 PROFIBUS (PB) .. 52. 12 53. 13 SIMATIC Backplane Bus .. 54. 14 Serial Interface (PtP).. 55. 15 Comparison of the Media .. 56. 16 Interfaces of the SIMATIC Families.

9 57. 17 Information on Part 58. 18 ** PART 2: Selection Aid ** .. 59. Structure and content .. 59. 19 Preliminary Remarks .. 60. Display principle of all combinations .. 60. Structure of the document (table of contents) .. 61. Combinations (jump distributor) .. 61. Copyright Siemens AG 2013 All rights reserved Interfaces table .. 62. Purpose of this 62. Structure of the table .. 62. Abbreviations and indices .. 64. Combinations table .. 65. Purpose of this 65. Structure of the table .. 65. Real example .. 68. Abbreviations and indices .. 69. Communication types compact table .. 70. Purpose of this 70.

10 Structure of the table .. 70. Indices overview in the tables .. 71. 20 >>> JUMP DISTRIBUTOR >>> .. 72. Jump distributor: PN/IE network .. 73. Overview of interfaces and Communication types .. 73. Combination controller 1 / controller 2 .. 73. Communication types .. 73. Jump distributor: Network PB .. 74. Overview of interfaces and Communication types .. 74. Combination controller 1 / controller 2 .. 74. Communication types .. 74. Jump distributor: Network MPI .. 75. Overview of interfaces and Communication types .. 75. Combination controller 1 / controller 2 .. 75. Communication types .. 75.