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  1. pyprofibus - PROFIBUS-DP stack
    2. 

  2. ==============================
    3. 

  3. 

  4. pyprofibus is an Open Source `PROFIBUS-DP <https://en.wikipedia.org/wiki/Profibus>`_ stack written in Python.
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  5. 

  6. `pyprofibus home <https://bues.ch/a/profibus>`_
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  7. 

  8. `Git repository <https://bues.ch/cgit/pyprofibus.git>`_
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  9. 

  10. `Github repository <https://github.com/mbuesch/pyprofibus>`_
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  11. 

  12. 

  13. Hardware
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  14. ========
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  15. 

  16. pyprofibus is able to run on any machine that supports Python. It also runs on embedded machines such as the `Raspberry Pi <https://en.wikipedia.org/wiki/Raspberry_Pi>`_ or even tiny microcontrollers such as the `ESP32 <https://en.wikipedia.org/wiki/ESP32>`_ (Micropython).
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  17. 

  18. Please read the hardware documentation for more information:
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  19. 

  20. `pyprofibus hardware documentation <doc/hardware.rst>`_
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  21. 

  22. 

  23. Speed / Baud rate
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  24. =================
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  26. The achievable Profibus-DP speed depends on the hardware that it runs on and what kind of serial transceiver is used. There is no software side artificial limit.
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  27. 

  28. Please see the `pyprofibus hardware documentation <doc/hardware.rst>`_
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  30. 

  31. Examples
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  32. ========
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  33. 

  34. pyprofibus comes with a couple of examples that can teach you how to use pyprofibus in your project.
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  35. 

  36. * Example that runs pyprofibus without any hardware. This example can be used to play around with pyprofibus.
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  37. 	* examples/example_dummy_oneslave.py
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  38. 	* examples/example_dummy_oneslave.conf
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  39. 	* examples/example_dummy_twoslaves.py
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  40. 	* examples/example_dummy_twoslaves.conf
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  41. 	* examples/example_dummy_inputonly.py
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  42. 	* examples/example_dummy_inputonly.conf
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  43. 

  44. * Example that runs pyprofibus as master connected to an ET200S as slave.
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  45. 	* examples/example_et200s.py
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  46. 	* examples/example_et200s.conf
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  47. 

  48. * Example that runs pyprofibus as master connected to an S7-315-2DP as *slave*.
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  49. 	* examples/example_s7-315-2dp.py
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  50. 	* examples/example_s7-315-2dp.conf
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  51. 

  52. 

  53. Dependencies
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  54. ============
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  55. 

  56. * `Python <https://www.python.org/>`_ 3.5 or later.
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  57. * Or alternatively `Micropython <https://micropython.org/>`_. Please see the `pyprofibus Micropython help <micropython/README.rst>`_ for more information.
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  58. 

  59. 

  60. License
    61. 

  61. =======
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  62. 

  63. Copyright (c) 2013-2024 Michael Büsch <m@bues.ch>
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  64. 

  65. Licensed under the terms of the GNU General Public License version 2, or (at your option) any later version.
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  66.