https://forge.codesys.com/forge/talk/Engineering/thread/f4528cb99a/2026-07-10T16:24:28.169000ZRecent posts to Beckhoff CX9240 : Using Internal EtherCAT Bus2026-07-10T16:24:28.169000Z2026-07-10T16:24:28.169000Zyannickasselinhttps://forge.codesys.com/u/yannickasselin/https://forge.codesys.com11def3c8734888ca7d4f8e8a4c43c67a13073fd5

<div class="markdown_content"><p>Now I understand. I always thought this was not supported. I might test it later. Thanks.</p></div>

2026-07-10T14:50:32.068000Z2026-07-10T14:50:32.068000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com03a108102f38b5e1999e2cd93d950b15e3bb432c

<div class="markdown_content"><p>you need just out of this windows rte cx package the internal EthercatMaster device description </p></div>

2026-07-10T13:15:08.629000Z2026-07-10T13:15:08.629000Zarj3090https://forge.codesys.com/u/arj3090/https://forge.codesys.comf34fdfa63f4d149e572b54468f7f05e9c61f935c

<div class="markdown_content"><p>I installed Linux ARM SL and it recognizes the RJ45 ethernet ports, but I cannot get it to recognize the internal port for the IO cards.</p></div>

2026-07-10T09:56:35.443000Z2026-07-10T09:56:35.443000Zyannickasselinhttps://forge.codesys.com/u/yannickasselin/https://forge.codesys.com0eca3f9a92837182f5bc1fcd7e308e77db121139

<div class="markdown_content"><p>Control RTE is for Windows. <a class="user-mention" href="/u/arj3090/profile/">@arj3090</a> specified Linux.</p></div>

2026-07-10T02:31:38.129000Z2026-07-10T02:31:38.129000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.com31e8a3849903fa014d7a65aa4eb3d067df862994

<div class="markdown_content"><p>yes, you need to install Control RTE CX.<br/> In that package there is the Internal EthercatMaster / EthercatMasterSoftmotion which you could add then.</p></div>

2026-07-09T22:33:55.897000Z2026-07-09T22:33:55.897000Zarj3090https://forge.codesys.com/u/arj3090/https://forge.codesys.comd4a5c771e78d17b94ca83f64422051d4639c8774

<div class="markdown_content"><p>Is it possible to get CodeSys working with Beckhoff IO cards connected directly to the CX9240 running Linux?</p></div>