https://forge.codesys.com/forge/talk/CODESYS-V2/thread/ec3c7c98d3/2020-02-27T22:15:17.274000ZRecent posts to On-line access at COM1 and COM22020-02-27T22:15:17.274000Z2020-02-27T22:15:17.274000ZGuruprasad.Khttps://forge.codesys.com/u/guruprasad-k/https://forge.codesys.com43d204516fa6f051587d486cdc8b17894f90ae6e

<div class="markdown_content"><p>Hello Everybody,</p> <p>I am using Codesys 2.3.7.2(Build Dec 15 2006);</p> <p>and my hardware is PM571 and if the COM1 is configured for CS31 and COM2 is configured for Modbus (Master or Slave) I am unable to use the COM1 or COM2 for program down-loading !</p> <p>As per PPT file this condition is called "Emergency mode" and what is to be followed to do the down-load is tried like pressing RUN button pressed at the power-up of CPU and followed the steps explained but no success.</p> <p>Have anybody tried this or can anybody help in this regard.</p> <p>Best regards</p> <p>K.Guruprasad</p> <p>ABB Limited</p> <p>INDIA<span>[/img]</span></p></div>