Ah... inspecting the Logs of the Simulator and shows that there a done several READS (up to 140) within miliseconds which then a forwarded step by step based on the configured polling interval.
How does it happen that there are done so many requests ? Regards, Wolfgang On 4/30/20, 9:28 AM, "Wolfgang Huse" <wolfgang.h...@nutanix.com> wrote: Hello! I met Christofer the first Time this year at the BuildingIOT in Essen and he told me about PLC4x. Finally I have some time to deal with the project and want to say Hello. Since I only have Python experience so far, the first steps in Java are a bit unfamiliar. I have a problem with the mqtt sample: The sample config establishes a connection to test:plc4x-example-mqtt and sends different data even in the interval. java -jar target/plc4j-hello-connectivity-mqtt-0.6.0-uber-jar.jar mqtt-connector.yml Connected with return code SUCCESS Publish acknowledged: {"intParam":"785285590","intParam2":"-1075569817"} Publish acknowledged: {"intParam":"1947089580","intParam2":"-1742619214"} Publish acknowledged: {"intParam":"-595050756","intParam2":"1191528931"} When I use the Prosys OPC Simulator it seems that only the first received data packet is forwarded via mqtt... java -jar target/plc4j-hello-connectivity-mqtt-0.6.0-uber-jar.jar mqtt-opc.yml Connected with return code SUCCESS Publish acknowledged: {"Counter":"8","Sinusoid":"0.8134733458143782"} Publish acknowledged: {"Counter":"8","Sinusoid":"0.8134733458143782"} Publish acknowledged: {"Counter":"8","Sinusoid":"0.8134733458143782"} Is there anything I don’t have in mind to look at ? Regards, Wolfgang Huse