MQTT-Siemens-S7-1500 MQTT library block ported to Siemens S7-1500 PLC in SCL More information on the repos of the creators. Take a look here: https://github.com/RoanBrand/MQTT-Siemens-S7-300 https://github.com/CarstenMaul/MQTT-Siemens-S7-300