FANOX SIA F, Protocol Manual

Page: 2 / 17

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1. MODBUS RTU PROTOCOL ............................................................................................ 3
1.1. Modbus RTU pachage format ........................................................................................ 4
1.2. Function Codes............................................................................................................... 4
1.3. Exceptions Responses .................................................................................................. 5
1.4. Data type .......................................................................................................................... 5
1.5. General Memory Map ..................................................................................................... 7
1.5.1. States Map ................................................................................................................... 7
1.5.2. Measurements Map .................................................................................................... 12
1.5.3. Settings Map .............................................................................................................. 12
1.6. Command List ............................................................................................................... 16
1.7. Setting-up the session: Password and access levels .............................................. 16
1.8. Example of Modbus Frames ........................................................................................ 16