[Communication between Unitronics with Elipse E3]

I'm trying to communicate the CLP variables on the Elipse E3, but even using the programming suggested by help, the CLP's Modbus communication is still not working. 

Furthermore, in the program I need to use parameters 140,141,142 and 143 for other programming information, as they are the same parameters used in modbus communication.

The first image is how the help indicates it should be done. The second is how I use these same variables

[communication port error]

By putting the cpu to stop I was able to upload and then it was possible to download. I really appreciate your help.

I'm working with Unitronics Jazz-20. USB v3 micro USB cable.

[communication port error]

 

I have a problem downloading and uploading to the clp, even though I have already configured the port to the correct one, and in these settings I was already able to carry out these processes. I don't know what it could be