https://forge.codesys.com/forge/talk/Runtime/thread/0dd8b29538/2022-09-16T07:26:59.394000ZRecent posts to RaPi Modbus RTU master2022-09-16T07:26:59.394000Z2022-09-16T07:26:59.394000Zdrlukbgdhttps://forge.codesys.com/u/drlukbgd/https://forge.codesys.come5b7394d6775f923dc276bafbfc04cce0b79e524

<div class="markdown_content"><p>Hi,</p> <p>I am implementing MODBUS MASTER RTU on Raspberry Pi4 for this application I am using inno-maker 2xRS485 1xCAN cape. In /etc/CODESYSControl.cfg are defined:</p> <p><span>[SysCom]</span><br/> Linux.Devicefile.1=/dev/ttyS0 - UART0 - modbus RTU master 01<br/> Linux.Devicefile.2=/dev/ttySC0 - RS485 hat - modbus RTU master 02<br/> Linux.Devicefile.3=/dev/ttySC1 - RS485 hat - not used</p> <p>Application is running successfully but after certain period both ports /dev/ttyS0, /dev/ttySC0 stop with request and after roughly 2 min start again with work.</p> <p>For MODBUS RTU SLAVE I am using ModRSsim2 </p> <p>Also in status slave diagnostic I have error counter.</p> <p>Please advice me where I have to pay attention.<br/> Thanks.</p></div>