Modbus registers are mapped to the variables named Var0, Var1, Var2,... where the number is the register address
For example register address 40003 represented as Var40003
On a graphical dashboard page, add controls with desired variable names, and press "Apply"
Example of gauge and chart controls:
{::gauge2(Var0){.##,0,500,Power,200}::}<br/>
{::chart(Var0,Var1,Var2){400,420,1h30m}::}
Check available controls in toolbox
1. Click on dashboard page you want to copy
2. Change the dashboard name in the URL
3. Refresh the page
4. press Save button