Activity for qaz478566https://forge.codesys.com/u/qaz478566/activity/2021-02-02T03:28:04.507000ZRecent activity for qaz478566qaz478566 posted a comment on discussion Runtime 🇬🇧2021-02-02T03:28:04.507000Z2021-02-02T03:28:04.507000Zqaz478566https://forge.codesys.com/u/qaz478566/profile/https://forge.codesys.com/forge/talk/Runtime/thread/87506d2b8e/?limit=25&page=4#8485/f71f/911c/b0e7I come from Taiwan qaz478566 forge@codesys.com 於 2021年2月2日 週二 上午11:26寫道： I use Raspberry pi3 B+ and CODESYS for TTL connection PLC use: PiXtend Can you provide more information tehthoams forge@codesys.com 於 2021年2月2日 週二 上午12:37寫道： Been a while but I wanted all to know I found the source of this issue and the solution. The problem was initiating the serial communication caused the arduino to reset. If serial communication started from the raspberry pi before the arduino reset the messages would be...qaz478566 posted a comment on discussion Runtime 🇬🇧2021-02-02T03:26:20.790000Z2021-02-02T03:26:20.790000Zqaz478566https://forge.codesys.com/u/qaz478566/profile/https://forge.codesys.com/forge/talk/Runtime/thread/87506d2b8e/?limit=25&page=4#8485/f71f/911cI use Raspberry pi3 B+ and CODESYS for TTL connection PLC use: PiXtend Can you provide more information tehthoams forge@codesys.com 於 2021年2月2日 週二 上午12:37寫道： Been a while but I wanted all to know I found the source of this issue and the solution. The problem was initiating the serial communication caused the arduino to reset. If serial communication started from the raspberry pi before the arduino reset the messages would be lost and would not recover. Putting a small delay before starting read/write...qaz478566 posted a comment on discussion Runtime 🇬🇧2021-02-01T11:40:09.187000Z2021-02-01T11:40:09.187000Zqaz478566https://forge.codesys.com/u/qaz478566/profile/https://forge.codesys.com/forge/talk/Runtime/thread/87506d2b8e/?limit=25#5888/b699Can COM be changed?