Post by bertcom on Converting each character to a string into ASCII ^{CODESYS Forge talk (Post)}
@TimvH, Thank you, i think this way i can seperate the complete string to characters. Next part of the topic is converting the characters to an ASCII code. Is there an standerd function in Codesys for this? I alredy searched a few hours for it on the internet. no succes.
Last updated: 2024-11-11

Post by jeroenaero on CodeSys Raspberry pi I2C driver not found ^{CODESYS Forge talk (Post)}
I don't have a multiplexer so it very weird that it connects with that multiplexer. If i do a I2C scan on the PI terminal, i only get the device addresses 0x48 and 0x51. One for the ADC and one for RTC. I will try again with your libraries
Last updated: 2024-11-12

Post by wayne-riesterer on Assignment Efficiency - Repetitive Assignment vs IF statement ^{CODESYS Forge talk (Post)}
Thanks for your responses. I like to write the leanest possible code that I can because it makes it much easier to read/maintain/debug. OR_ELSE is what I was looking for. I wasn't sure if CodeSys short-circuited evaluation and I didn't realize this operator existed. Thanks!
Last updated: 2025-03-08

Post by programmer on 3.5 P20 hangs - no response ^{CODESYS Forge talk (Post)}
hi imdatatas, thanks for your suggestion! I added the process execution to be sure. In the meantime I reïnstall Windows but it dind't help directly. Finally I deleted CodeMeter Runtime Server after Codesys installation. Because this Service was not able to start. And it works (for now) :)!
Last updated: 2025-06-25

Post by davidking on Error, visualisation property handling, VISU_USEPROPERTYINFO ^{CODESYS Forge talk (Post)}
Solution: Disable VISU_USEPROPERTYINFO define Go to Project → Options (or Project → Properties, depending on your CODESYS version). Find the section called Compiler Defines. Look for the define: nginx Copy Edit VISU_USEPROPERTYINFO Delete it from the list, or uncheck it if it’s a checkbox. Save your changes and try compiling the project again. → This is the right approach if you don’t need property handling for visualization elements.
Last updated: 2025-07-09

Post by antonz on CoDeSys v3.5: creating libraries for both 32-bit and 64-bit controllers ^{CODESYS Forge talk (Post)}
Thanks Tim. I would think it somehow is relevant when creating a compiled library, but that may very well not be the case. If I understand you correctly, then the same compiled library created from my source code would work for both 32 bit as well as 64 bit controllers.
Last updated: 2025-09-01

Post by onstage on Unable to add EL6751 to Control RTE V3 on W11 IoT LTSC using Eng. V3.5 SP21 ^{CODESYS Forge talk (Post)}
For reference, it was just me being unfamiliar with EtherCAT in CoDeSys. Anyone with knowledge who would have opened the ScanResult screenshot would have identified that the preceding EK1100 was the device missing in the library. Bottom line - Do something else for a while and then get back at it with fresh eyes!
Last updated: 2025-09-08

Post by zatalian on Codesys Control for Raspberry Pi 4.10.0.0 - Raspberry Pi OS > 2023-12-05 ^{CODESYS Forge talk (Post)}
I tried both 3B en 4. But every time with a lite version. I didn't try the full version of raspberry pi os. Nice to hear you are aware of the problem and trying to fix it. I'll hold on to the image from 2023-10-10 for now.
Last updated: 2023-12-12

Post by nmcc on Toggling Visualizations using HMI Physical Buttons ^{CODESYS Forge talk (Post)}
Hello, I am extremely new to using codesys. I have an IFM CR1102 HMI with physical buttons on the right side. I need to have these buttons toggle which visualization is active. I currently have ladder logic for when the button is pressed just need the action side for setting the active visualization. Any help is appreciated.
Last updated: 2024-02-12

Post by mani-i4point0 on Issue with WebVisu on Raspberry PI ^{CODESYS Forge talk (Post)}
Hi, Any insights highly appreciated. Was wondering , Is this issue related to License ? The License I have is 'Codesys Control for Raspberry PI MC SL' Or is this issue related to any Memory ? kindly refer to the attached images for the License and memory. Any suggestions highly appreciated. Regards, Mani
Last updated: 2024-04-10

Post by nano on CODESYS Edge Gateway for Linux on embedded distribution ^{CODESYS Forge talk (Post)}
yocto isn't the part. which architecture you are using? arm, x86, 32bit?, 64bit? normally u can use the deliveral from store and integrate it into yocto. for resolv the dependencies, its best way todo using an recipe and let yocto do prebuildchecks jefore the install-commands
Last updated: 2024-04-17

Post by stiller on OPC-UA ApplicationUri / ProductUri ^{CODESYS Forge talk (Post)}
Thank you for your answer! I'm not sure, but it seems this is not what I am looking for. I attached three pictures. The first one is from the Codesys IDE. I use an Information Model to generate an OPC-UA server. I connected via UA-Expert, and there I see the URIs I would like to change.
Last updated: 2024-05-10

Post by nano on How to access to variable value through symbolic string name ^{CODESYS Forge talk (Post)}
this is not easily. From Point of SL-Licenses Codesys didnt provide the informations how to do. We created an own CDS-Component for that Behaviour. This Informations are available for OEM, if you are an OEM you can find the Informations in the RTS-Documentation.
Last updated: 2024-06-14

Post by vtec35 on search runtime 4.9.0.0 for pi 3 ^{CODESYS Forge talk (Post)}
Hello everyone, following corrupted data on the SD card of our Pi3B+ provided with a machine, we reinstalled a CODESYS image for Raspberry Pi, but we cannot find the 4.9.0.0 runtime that is compatible with the project. Currently, the machine is on 4.1.0.0, and we tried a more recent version 4.13.0.0, but there are error messages. Thanks in advance.
Last updated: 2025-10-24

Post by automa on SBOM ^{CODESYS Forge talk (Post)}
Hi, How do you create your SBOM in Codesys. I have been searching for this topic but couldn't find any useful information. I am referring to making an export list or all libraries used in the project. I have developed a python script that exports them, but I am open for ideas of beast practice
Last updated: 12 hours ago

Post by automa on SBOM ^{CODESYS Forge talk (Post)}
Hi, How do you create your SBOM in Codesys. I have been searching for this topic but couldn't find any useful information. I am referring to making an exported list of all libraries used in the project. I have developed a python script that exports them, but I am open for ideas of beast practice
Last updated: 12 hours ago

Post by aseitzinger on CODESYS Control for Linux SL on virtual machine? ^{CODESYS Forge talk (Post)}
Hello, there in different information available regarding the possibility to run CODESYS Control for Linux SL on a virtual machine. https://forge.codesys.com/trg/linux-sl/home/Home/ says CODESYS Control for Linux SL is a runtime system, which can run on any Debian based X86 PC, VM or Cloud container... https://store.codesys.com/media/n98_media_assets/files/2302000005/3/CODESYS%20Control%20for%20Linux%20SL_de.pdf says CODESYS Control for Linux SL can not be used on virtual hardware Currently I run the package mentioned on a virtualized debian machine running in PROXMOX Virtual Environment 7.4-17 and apart from huge jitter it runs without problems. The CODESYS key is passed as a USB defice to the VM. I wonder why there are different statements regarding the suitability in virtual machines and if the jitter would be reduced by installing CODESYS runtime on the host installing CDS runtime on the host and using a preemptive kernel (if available for the PROXMOX installation leaving CDS runtime where it is (on the virtualized debian machine) and install a preemptive kernel on the host and on the guest... Any advice is appreciated. Greets Arno
Last updated: 2024-01-08

Post by martinlithlith on Relay board / relays for raspberry pi 3 b+ ^{CODESYS Forge talk (Post)}
hi! im planning a project on a raspberry with Codesys. For this I'll need a number of relays to control heating and fans, all a max of 24v and about 2a. How would i know if the board / relays i buy will be working with Codesys? Does every hat work or does it need a library/driver? is there a list of drivers/libraries created? as this is a hobby project all tips on a relay board or single boards that works with codesys and not to expensive are very welcome.
Last updated: 2023-09-03

Post by trusty-squire on How to adapt Codesys Control SL to custom board ^{CODESYS Forge talk (Post)}
For general usage, these links might help you out. If you are looking at using I2C interfaces, examples from the Raspberry Pi will probably be useful, even if your board isn't a Raspberry Pi. https://content.helpme-codesys.com/en/CODESYS%20Examples/_ex_rts_serial_com.html https://content.helpme-codesys.com/en/CODESYS%20Examples/_ex_raspberry.html If you're developing your own drivers, I can't help you there, although the link you provided will help. If you drill in deeper, the I2C page for example shows function block and method usage, etc. Good luck!
Last updated: 2024-08-09

Post by johnbomb on Ignore Dependencies When Loading Package? ^{CODESYS Forge talk (Post)}
I'm trying to load a .package into Codesys 3.5.21, but the package is intended to only work with Codesys 3.5.18.0 and is configured with dependencies on the specific versions of other packages included with 3.5.18.0, and 21 has newer versions so the package will not install. I would like to install the package anyway to try and get things working on a newer Codesys version, since for some reason the installer for .18 errors out and doesn't fully work in my environment, but .21 seems to work fine.
Last updated: 2025-04-01

Post by eboyd on AOI's ^{CODESYS Forge talk (Post)}
Hello, I'm currently working on transferring a project I recently created on Studio 5000 to CODESYS and unfortunately CODESYS isn't compatible with AOI's so I was wondering if there was anyone who could help me transfer these L5X AOI blocks to ST Function Blocks that I can import into CODESYS so I can use them for this project or if you know where I can find preexisting Function Blocks for these AOI's. Thank you so much!
Last updated: 2025-09-02

Post by eboyd on AOI's ^{CODESYS Forge talk (Post)}
Hello, I'm currently working on transferring a project I recently created on Studio 5000 to CODESYS and unfortunately CODESYS isn't compatible with AOI's so I was wondering if there was anyone who could help me transfer these L5X AOI blocks to ST Function Blocks that I can import into CODESYS so I can use them for this project or if you know where I can find preexisting Function Blocks for these AOI's. Thank you so much!
Last updated: 2025-09-02

Post by suyash on Device User Logon ^{CODESYS Forge talk (Post)}
Thanks for your reply @eschwellinger. Update : the is problem is resolved. It was done by renaming the User database file (/var/opt/codesys/.UserDatabase.csv) as deleting it was risky. After restart the IDE asked me to create new user. On doing that the problem got resolved. Reference for members facing similar problem/s : sudo systemctl stop codesyscontrol sudo mv /var/opt/codesys/.UserDatabase.csv_ /var/opt/codesys/.UserDatabase.csv_.old sudo systemctl start codesyscontrol
Last updated: 2026-05-14

Post by dhumphries on Codesys Installation problem ^{CODESYS Forge talk (Post)}
Installing codesys has been the biggest point of frustration for me and is the reason I'm currently working on building a VM just for the codesys engineering software so once I get a working installation I can copy the VM to new workstations instead of fighting with the installer every time I get a workstation upgrade. The best advice I've gotten in the past is to uninstall everything and start over, this is successful 50% of the time. Also don't install the latest version it's usually less stable than an older one ironically.
Last updated: 2026-08-10

Post by clarenced on ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks ^{CODESYS Forge talk (Post)}
Using codesys v3.5 SP21 Patch 1. We are using Visualization to display alarms. Other then the automatically created AlarmManagerTask, there is no code written to call AlarmStorage_Prg. Any ideas why we would be seeing this error in the log? The runtime actually shutdown. Not sure if that was caused by this error or not. 2025-08-03T02:45:35.444Z, 0x00001012, 4, 0, 0, * ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks. 2025-08-03T03:48:15.294Z, 0x00001012, 4, 0, 0, * ERROR: Calling the program "AlarmStorage_Prg" is not allowed from multiple tasks. 2025-08-03T04:38:11.557Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! * 2025-08-03T04:38:11.576Z, 0x0000010f, 8, 1, 0, #### Exception: SysSemEnter - Semaphore deadlock detected - owner thread died [tid:726740] - system may be in an inconsistent state. 2025-08-03T04:38:11.576Z, 0x00000103, 65544, 1, 0, runtime received SIGABRT - system may be in an inconsistent state * We recommend a reboot of the controller now! 2025-08-03T04:38:11.576Z, 0x00000001, 8, 260, 3, #### Exception: HANDLED EXCPT* <excpt>NonContinuable</excpt> in CH_COMM_CYCLE 2025-08-03T04:40:12.308Z, 0x00000001, 1, 0, 35, CODESYS Control shutdown... 2025-08-03T04:40:13.436Z, 0x00000071, 1, 0, 13, Webserver stopped 2025-08-03T04:40:13.437Z, 0x00000114, 2, 1, 0, !!!! Warning: task_signalhandler_exit [MainTask] lost cycles: 14809 2025-08-03T04:40:13.497Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>IecVarAccess</cmp>, <id>0x00001007</id> <ver>3.5.3.64</ver> 2025-08-03T04:40:13.506Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>AlarmMgr</cmp>, <id>0x00001012</id> <ver>4.7.0.0</ver> 2025-08-03T04:40:13.513Z, 0x00000071, 2, 0, 14, !!!! Warning: Unbalanced calls to WebServerRequestRunning/WebServerReleaseRunning 2025-08-03T04:40:13.513Z, 0x00000001, 1, 0, 10, [UNLOADED] IEC|Dynamic: <cmp>IECVisualization</cmp>, <id>0x0000100c</id> <ver>4.7.0.0</ver> 2025-08-03T04:40:13.611Z, 0x00000124, 1, 0, 0, Provider 'AddressSpaceFragment Provider' (version 0x3051500) unregisterd at the OPC UA server. 2025-08-03T04:40:13.611Z, 0x00000124, 1, 0, 0, Provider 'OPC UA for IEC-61131-3' (version 0x3051500) unregisterd at the OPC UA server. 2025-08-03T04:50:17.708Z, 0x00000001, 1, 0, 36, CODESYS Control shutdown done
Last updated: 2025-08-04

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