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Modbus Master | Supported Features and Limitations

Owned by Sylvain Ménard
Last updated: Dec 20, 2023
1 min read

Supported Features

  • Standard registers:

    • Coils

    • Discrete inputs

    • Input registers: The supported data types are UINT16, INT16, UINT32, INT32 and FLOAT32.

    • Holding registers: The supported data types are UINT16, INT16, UINT32, INT32 and FLOAT32.

  • TCP and RTU modes

  • Allows multiple slaves instantiation

  • Configurable TCP port when operating over TCP mode

  • Configurable serial port parameters when operating over RTU mode

  • Supports reconnection with master device(s) if a connection is lost

  • Supports triggered read/write for non-cyclic operations

Limitations

  • Modbus ASCII is not supported

  • An OP3310 RS-232/422/485 PCIe serial card is needed in case it is required to communicate with multiple slaves on the same physical bus in RTU mode.

 

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