https://forge.codesys.com/forge/talk/Engineering/thread/845e9480c8/2025-12-03T10:50:31.332000ZRecent posts to Assistance for MQTT configure with external broker (Mosquitto)2025-12-03T10:50:31.332000Z2025-12-03T10:50:31.332000Zranadheerhttps://forge.codesys.com/u/ranadheer/https://forge.codesys.com35619482e5cdb143ba578eccd19f117ca2401da7

<div class="markdown_content"><p>Hi everyone</p> <p>Am trying to make establish MQTT connection , where am using IIOT example for this as a demo mode.</p> <p>where i had given IP-address of of local Linux application as a 172.31.239.67 and port number as 1883 in the PLC_PRG itself, and preparing the publish message by manually as " this is from published message", and this should receive at the subscriber side.</p> <p>Aim: To make communicate external publisher to the CODESYS by using MQTT protocol.</p> <p>By any chance having reference documents about this implementation please share here. and suggest the process to make it possible.</p> <p>I had uploaded reference project file after updating address in th PLG_PRG, kindly assist to configure with the broker</p></div>