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Having trouble using B-L072Z-LRWAN1 to communicate to The Things Industries through gateway because of 5 minute timeout/nothing received.

CMets.1
Associate

I have a B-L072Z-LRWAN1 development board and am using it to send a PWM (0-100%) value to TTI and receive a PWM value to control a fan. The LoRa settings at the moment are:

  • Class C device
  • ADR off (using DR_3)
  • Confirmed uplinks
  • No periodic uplinks

The problem is when not using periodic uplinks, and only sending an uplink when a confirmed downlink is received there comes a time the confirmed downlink from TTI is not received on the board so, there is also no uplink, this triggers the 5 minute timeout for waiting for a reaction, but it will never come in those 5 minutes because the board doesn't receive anything and is listening for a message, so the communication is stopped for 5 minutes. At the moment we can set the timeout to 10 seconds or something using the command line interface (CLI), but it is not preferred because we want an uplink with every downlink.

Has anyone experienced this problem before or does someone have something I can try.

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