https://forge.codesys.com/forge/talk/Runtime/thread/1b8e9045a9/2020-02-27T15:31:12.532000ZRecent posts to Modbus TCP problem after onewire DS18B20 connected.2020-02-27T15:31:12.532000Z2020-02-27T15:31:12.532000ZAlanhttps://forge.codesys.com/u/alan/https://forge.codesys.com1ef32eaa13ecd6ceec5b84a958b93ed23d9c70ea

<div class="markdown_content"><blockquote> <p><strong>JPakka hat geschrieben:</strong><br/> Hey,<br/> I have connected Beckhoff BK9000 to raspberry via modbus tcp and everything works fine. But when I connect onewire temperature sensor ds18b20 to raspberry GPio pins modbus stops working, ds18b20 works fine and gives right values.<br/> What might be the reason for modbus tcp dropping out after ds18b20 connection?</p> </blockquote> <p>How did you connected the BK9000, did put it on device list, or did you created a generic slave module?<br/> I made that with generic slave module, and I cannot set the outputs to true, i set and then it turn back to false.</p></div>

2020-02-27T15:31:11.824000Z2020-02-27T15:31:11.824000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com32df4fdd945b2a9388b9476857141f1ea7201b79

<div class="markdown_content"><p>Hi,<br/> you need to have for the Onewire an own Task. (and specify this Task in the OneWire IOMapping)<br/> Then it will work without influending the modbus task</p> <p>BR<br/> Edwin</p> <p><img alt="IMG: OneWireTask.png" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=1211"/></p></div>

2020-02-27T15:31:09.870000Z2020-02-27T15:31:09.870000ZAnonymoushttps://forge.codesys.com/u/*anonymous/https://forge.codesys.com47c9474fdd34dcf25dffea27925639af0fe4750d

<div class="markdown_content"><p><em>Originally created by:</em> JPakka</p> <p>Hey,</p> <p>I have connected Beckhoff BK9000 to raspberry via modbus tcp and everything works fine. But when I connect onewire temperature sensor ds18b20 to raspberry GPio pins modbus stops working, ds18b20 works fine and gives right values.</p> <p>What might be the reason for modbus tcp dropping out after ds18b20 connection?</p></div>