how to display variable in HMI
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If you are using 800xA system then go to Functional structure and then to particular graphic page right click edit and then insert a input field under property reference browse the same totaliser In.Value and save the graphics.
If you are using Compact HMI system then go to object type structure insert new PLC Real signal to the respective PLC object .
Come to control structure create an object under totaliser object type and go to signal configuration tab and browse the same from OPC data sources.
Click on apply and save it.
Deploy the system if needed.
In 800xA system then go to Functional structure and then to select particular graphic page and edit and then insert a input field under property reference browse the same totaliser_new In.Value.
For Example : You are using input field - Property Reference =totaliser_new In.Value
You are using Text - Text= FormatReap(totaliser_new In.Value,2)
and save the graphics.