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Softing Linking Device –
Manual for Configuration, Installation and Maintenance
Linking Device FG-110 FF - Internal Web Server
page 38 of 85 V1.3
4.5.5.2 <Configuration><Modbus><Mapping>
Fig 4.5-17 Change settings of the Modbus Mapping
The functions of the Modbus mapping in the Linking Device are flexible enough to
accommodate most traditional control systems. The Modbus mapping table allows a user to
associate the output or input value of an AI or an AO Function Block with any traditional or
extended Modbus register. To add new entries click the button <New Entry>. Next type the
required Modbus register and assign the relevant process value (the out or in value of the
function block). When you have entered your entire data click the button <Change Mapping>
to apply the configuration. After a reload of the page you will see the new mapping entry.
On the FF H1 side 1 bit data length doesn’t exist. Therefore on the Modbus side the
Gateway doesn’t support Discrete Inputs and Coils.
4.5.5.3 <Configuration><Modbus><Import/Export>
To save the properties you have specified in Modbus Mapping use the function <Export>, if
you want to utilize an existing set of Modbus Mapping data use the function <Import>.