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RS485 Communication Protocol

  • 2013-09-21
  • 189.19KB
  • Points it Requires : 2

RS485 communication protocol: C320 series inverter provides standard RS485 communication interface. Users can realize centralized monitoring (send operation command setting, inverter working parameters and read inverter working status) through PC/PLC to meet specific use requirements. The protocol content of this appendix is ​​designed to realize the above functions. Protocol content This serial communication protocol defines the information content and usage format transmitted in the serial communication protocol. It includes: host polling (or broadcast) format; host encoding method, including: function code of required action, transmission data and error check, etc. The response of the slave also adopts the same structure, including: action confirmation, return data and error check, etc. If the slave has an error when receiving information, or cannot complete the action required by the host, it will organize a fault information as a response to the host.

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