Modbus with Energiya board

Hi,
I’m trying to read modbus from a device which also has a RS485 connector. When i try to install the energiya app there are no error’s. When i look into octave there is no energiya resource:

When i go into my Mangoh Yellow using putty and run “app status” i see the app "Energiya "
afbeelding

I configured my modbus in the “services” tab.

After that wen i’m going to look into my resources. There is no data from the modbus.

Where is the problem? And how can i fix it?
Thank you in advanced!

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