Hello,
Thank you for your question,
Please find the information regarding your points.
1. Yes, the values are updated live in the configurator.
2. No, there is no option in the base version of firmware to send zero values if no data is received for "Reefer I/O" elements.
3. Please refer to the information below:
In order to solve your issue it would be best if it would be possible to check the following:
By standard we do not share firmware files, transfer screenshots, configuration files here in crowd forum, as some of these steps are not possible to be proceeded and confirmed here, after checking the connection and if the issue persists, we recommend you contacting your sales manager and consulting with us directly.
Hope this helps,
Regards, Teltonika.