Link object address to modbus register

[Daniel]

I have now been able to link the correct register to the spacelynk object.
However, I need help to figure out how to send the command number 2020 to the IEM 3150?
According to the manual the command 2020 uint16, resets the counter...
Anyone?
BR,
Mr.D

Hi
You are not talking in modbus language here 
What value to which registry via which modbus function do you want to write?  Answer this question and then we can help 
BR