https://forge.codesys.com/forge/talk/Runtime/thread/86c36d1e57/2020-02-27T16:03:52.900000ZRecent posts to Ethercat Lxm32m movevelocity speed control overshoot every 5 seconds2020-02-27T16:03:52.900000Z2020-02-27T16:03:52.900000Zjosepmariaramshttps://forge.codesys.com/u/josepmariarams/https://forge.codesys.com4235f0b7f47a82d1b5ebfcccfb46aa335fb822f1

<div class="markdown_content"><p>The cpu works at fixed frequency?</p> <p>Enviat des del meu Aquaris M5.5 usant Tapatalk</p></div>

2020-02-27T16:03:52.081000Z2020-02-27T16:03:52.081000ZmATTOhttps://forge.codesys.com/u/matto/https://forge.codesys.comce5d8947a9bc9b5e26ba94fda1aa2c74deb6bdec

<div class="markdown_content"><p>it's very interesting, when rt-tests is running it never occurs but when the test is finished, speed overshoot starts again</p> <p><img alt="IMG: htop.PNG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=3722"/></p> <p><img alt="IMG: rt_tests.PNG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=3721"/></p></div>

2020-02-27T16:03:49.836000Z2020-02-27T16:03:49.836000Zeschwellingerhttps://forge.codesys.com/u/eschwellinger/https://forge.codesys.comfe88c60d979838194f06e72fa1620421f7c047b5

<div class="markdown_content"><p>Hi,<br/> do you see this 5s peaks in the cyclic tests of rt_preempt too?</p> <p>BR<br/> Edwin</p></div>

2020-02-27T16:03:49.046000Z2020-02-27T16:03:49.046000ZmATTOhttps://forge.codesys.com/u/matto/https://forge.codesys.com7ae523c8f436b78b3fc3254010d45b11db020801

<div class="markdown_content"><blockquote> <p><strong>Josep M. Rams hat geschrieben:</strong><br/> Have you enabled dc clock?</p> </blockquote> <p>Of course Josep dc clock is enabled, if not the communication will be problematic</p></div>

2020-02-27T16:03:46.769000Z2020-02-27T16:03:46.769000Zjosepmariaramshttps://forge.codesys.com/u/josepmariarams/https://forge.codesys.com57a0c089b1815d2c115565a4cb0f919c9770a213

<div class="markdown_content"><p>Have you enabled dc clock?</p></div>

2020-02-27T16:03:45.941000Z2020-02-27T16:03:45.941000ZmATTOhttps://forge.codesys.com/u/matto/https://forge.codesys.com288abb6c80a1e1f4e64de27e7b4198d6f3074753

<div class="markdown_content"><p>Hello, I have RPI-1 B @ 1000 MHz frequency </p> <p>Linux raspberrypi 4.4.9-rt17+ #2 PREEMPT RT Thu May 12 00:18:09 CEST 2016 armv6l GNU/Linux</p> <p>CODESYS Control for Raspberry PI 3.5.12.10</p> <p>when the axis is running in continous_motion with mc_movevelocity, speed overshoot occurs every 5 seconds, I cannot find the cause, seeking it sinve 3 days </p> <p>thank you in advance for your help</p> <p>BR Ozcan</p> <p><img alt="IMG: 180509_Ethercat_LXM32M.PNG" rel="nofollow" src="https://forum.codesys.com//download/file.php?id=3719"/></p></div>