MODBUS APPLICATION PROTOCOL SPECIFICATION V1

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April 26, 2012 1/50 MODBUS APPLICATION PROTOCOL SPECIFICATION CONTENTS 1 Introduction ........................................ ........................................ ...................................... 2 Scope of this document ........................................ ........................................ ........... 2 2 Abbreviations ........................................ ........................................ ................................... 2 3 Context.

It’s obvious that all the data handled via MODBUS (bits, registers) must be located in device application memory. But physical address in memory should not be confused with data reference. The only requirement is to link data reference with physical address.

  Applications, Specification, Requirements, Protocol, Registers, Ombud, Modbus application protocol specification