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MECHATROLINK is an open protocol used for industrial automation, originally developed by Yaskawa and presently maintained by Mechatrolink Members Association (MMA).[1]

Mechatrolink protocol has two major variants:

  • MECHATROLINK-II—Defines protocol communication schemes through serial link equivalent to RS485 with a maximum speed of 10Mbit/s and maximum 30 slave nodes.
  • MECHATROLINK-III—Defines protocol communication schemes over Ethernet with a maximum speed of 100Mbit/s and maximum 62 slave nodes.


  1. ^ "MECHATROLINK Members Association". Archived from the original on 2013-06-07. Retrieved 2013-05-10.

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