MQTT transmitter not connecting to Distributor

Ignition Modules MQTT Modules
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1

Good Morning All,

I’m currently experiencing difficulties connecting my MQTT transmitter to the MQTT distributor.

Setup Details:

  • MQTT Distributor Version: 4.0.21
  • MQTT Transmitter Version: 4.0.21
  • Connection URL: tcp://localhost:1883

Debugging Steps Completed:

  1. Added inbound and outbound rules for port 1883.
  2. Verified connection to the distributor using MQTT.fx with the correct user credentials. Which I can publish and subscribe.
  3. Reviewed the Cirrus Link Documentationfor applicable solutions.
  4. Checked logs, which continuously display “Starting up Agent.”

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I any suggestions on how to resolve this would be a great help!

Thanks,
Ryan

2

What does your Transmission → Servers tab show? Specifically, what does it show under the ‘Connected’ column?

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3

Hello I have the same issue. in connected column it says 0 of 0
it was working before. I tried changing the username and password from default to custom. any ideas on how to figure out why it’s not connecting?

4

‘0 of 0’ indicates you don’t have a valid Transmitter config and tag tree setup. Take a look at this document which explains what tags Transmission will pick up and publish: MQTT Transmission Transmitters and Tag Trees - MQTT Modules for Ignition 8.1 - Confluence