Post by llewv123 on Codesys Control for RPi and Waveshare AD/DA hat ^{CODESYS Forge talk (Post)}
Good day, I am attempting to use a Waveshare AD/DA precision HAT with RPi 4B+, using Codesys Control for Rpi. The waveshare hat uses SPI. I am successfully using the RPi GPIO (inputs and outputs) but do not know how to access the AD/DA channels. Any help would be appreciated.
Last updated: 2025-08-04

Post by r0udy on Adress problem ^{CODESYS Forge talk (Post)}
Hi, I 've just started a new project. Translating SoMachine (SCHNEIDER) to CODESYS 3.5.18//DEMO (EATON XC303) I succeed (I think so) to copy FB, STRUCT,... and I also integrated old library. When I build F11, I have a first problem : - Adress out of rang - Overlay It's strange, usually %ML100 > %MB800 Here ONLINE: %ML100 > %MB100 !! I don't understand why ? And idea ? Thanks
Last updated: 2025-08-06

Post by williamjmak1 on Current Visu name without Current Visu Variable ^{CODESYS Forge talk (Post)}
Hello everyone, I was just wondering if anybody knows if there's a way to pull the string name of the current visualization without using the current visu variable. I'm working on a project where we don't want web clients to change the current visualization on the HMI of the machine. Thanks!!
Last updated: 2025-08-07

Post by ulvis on Where to find the OPC-UA Information Model Repository ^{CODESYS Forge talk (Post)}
Now, for CODESYS v3.5 SP21 I can no longer find the "OPC UA Information Model Repository" entry to add as a command. In the "Tools" menu it is listed but greyed out, reporting "Plug-in is not available". So how do I add the Plug-in?
Last updated: 2025-08-14

Post by mqi2r on Newly created texlists wont appear in the selection dropdown ^{CODESYS Forge talk (Post)}
For anyone with this issue, you may need to: Open the text list properties (right-click the text list once you create it). Select the Text List tab. Change the Download by option to Visualization. I was fighting this for so long. Once you do that, you should find your text list appears in the drop down when editing a visualisation.
Last updated: 2025-08-19

Post by raamkumar on exple1 ^{CODESYS Forge talk (Post)}
```structured text VAR bStartButton : BOOL; // Start button input bStopButton : BOOL; // Stop button input bMotorRunning : BOOL := FALSE; // Motor running status END_VAR // Motor control logic IF bStartButton AND NOT bMotorRunning THEN bMotorRunning := TRUE; // Start motor END_IF; IF bStopButton THEN bMotorRunning := FALSE; // Stop motor END_IF; // Output to motor driver (replace with your actual output) // Assume 'qMotor' is a boolean output to the motor driver. qMotor := bMotorRunning;
Last updated: 2025-08-23

Post by wagokurt on CODESYS Visualization M License Fails to activate on Linux SL <sup>CODESYS Forge talk (Post)</sup>
The fix for this is when you install the control SL license, there is a checkbox for the Visu S license option. You must click this option. The Visu M is technically an upgrade to the Visu S, if this is license is not installed them the Visu M will fail as shown above. Thanks JoJo for the solution!
Last updated: 2025-08-25

Post by timvh on update data/tim <sup>CODESYS Forge talk (Post)</sup>
Change the actual time of your PLC. How to do this sometimes depends on the PLC you use. Please contact the vendor of the PLC to get this information. Or see the following example for using CODESYS date and time functions: https://forge.codesys.com/prj/codesys-example/date-and-time/home/Home/
Last updated: 2025-08-26

Post by sandro66 on Application-based license Modbus Channels <sup>CODESYS Forge talk (Post)</sup>
Hi, I imported an old project created with version 3.51.20.50 into the new version 3.51.21.20. I'm using ModbusFB.ClientTCP v4.5.0.0. Strangely, I can no longer download the project due to a licensing issue I didn't have before. The number of Modbus channels has gone from 1 to 54!, and there's no license that would work. Can anyone tell me where I'm going wrong? Thanks Sandro
Last updated: 2025-08-27

Post by jcarter on Webvisu Combined Authentication <sup>CODESYS Forge talk (Post)</sup>
Is there a way to have both a Public No Login Screens with Screens that do require login and File Transfer? My Idea is to have the default page be View Only with a Login Button in the Corner and then Once Logged In you can change settings and download files depending on your user group.
Last updated: 2025-08-28

Post by gunstr on CODESYS control on RPi starts, shortly runs, then exits <sup>CODESYS Forge talk (Post)</sup>
I now tried to install 4.17.0.0 on a fully clean installations: A brand new RPi 4B Install latest Raspberry Pi OS Lite, Release date 13 May 2025, 64bit run sudo apt update && sudo apt full-upgrade When asked - Select to install the updated version of '/etc/initramfs-tools/initramfs.conf' Install CODESYS Control for Raspberry Pi SL. version 4.17.0.0 Log output: [INFORMATION] Connected successfully! [INFORMATION] Successfully connected to target (192.168.0.197) [WARNING] No supported container engine found on device. You have to install a supported container engine to use Virtual Control. Please contact the Administrator of the device. [WARNING] Error detecting container architecture [INFORMATION] Finished reading device information [ERROR] Error output: /var/lib/dpkg/info/codesyscontrol.postinst: 88: check_legacy_extensionapi_folder: not found [INFORMATION] Standard output: Selecting previously unselected package codesyscontrol. [INFORMATION] Standard output: (Reading database ... 76772 files and directories currently installed.) [INFORMATION] Standard output: Preparing to unpack .../codesyscontrol_raspberry_4.17.0.0_all.deb ... [INFORMATION] Standard output: Unpacking codesyscontrol (4.17.0.0) ... [INFORMATION] Standard output: Setting up codesyscontrol (4.17.0.0) ... [INFORMATION] Standard output: make config rw [INFORMATION] Standard output: set folder permissions [INFORMATION] Standard output: prepare permissions [INFORMATION] Standard output: check legacy extension api folder [INFORMATION] Standard output: create and install daemon [INFORMATION] Standard output: codesyscontrol started [WARNING] Unable to detect Raspberry Pi Architecture. Setting armv6l as default, you can change this through the settings panel. [INFORMATION] Standard output: codesyscontrol stopped [ERROR] Expected exit value of command failed: expected 0, received 1 [WARNING] Error setting the Raspberry Pi Architecture [ERROR] Error installing codesyscontrol If I read the log correctly the control is actually installed but cannot start. I'm running out of ideas how to proceeed now, any suggestions are welcome.
Last updated: 2025-09-03

Post by leandroct on Creating Boot Application not working <sup>CODESYS Forge talk (Post)</sup>
I did these steps and it worked: - Copied Application.app and Application.crc to the Folder C:\ProgramData\CODESYS\CODESYSControlWinV3x64\ID_of_CPU\PlcLogic\Application\ copied the visu folder content to the folder C:\ProgramData\CODESYS\CODESYSControlWinV3x64\ID_of_CPU\PlcLogic\Application\visu\ Changed by Notepad the CODESYSControl.cfg at the folder C:\ProgramData\CODESYS\CODESYSControlWinV3x64\ID_ of_CPU\ Where is [CmpApp], adding a line with: Application.1=Application
Last updated: 2025-09-04

Post by onstage on Unable to add EL6751 to Control RTE V3 on W11 IoT LTSC using Eng. V3.5 SP21 <sup>CODESYS Forge talk (Post)</sup>
I have working EtherCAT since it can be scanned for slaves, but then I'm stuck getting the information that the device isn't found in the repo. As far as I can see both revisions does however exist in the device repo. Component added in the Configfile. Anyone with some similar experiences?
Last updated: 2025-09-04

Post by kporter on Removing <Empty> node in Device Tree <sup>CODESYS Forge talk (Post)</sup>
I initially created a SoftMotion axis for my EtherCAT CoE drive. I wanted to change it to use SoftMotionLight so I deleted the SM node, which left an <empty> node. I created the SML device, but the <empty> node remains. How can I remove that from the tree? </empty></empty>
Last updated: 2025-09-06

Post by beavel on Opening and saving files with fileOpenSave dialog <sup>CODESYS Forge talk (Post)</sup>
1 + Replying in hopes of getting an answer here. I would also like to modify the look of the FileOpenSave Dialog. I have successfully adjusted the looks of the User management Dialogs but can not find a library file to adjust this particular one. Any help would be helpful. @thk @eschwellinger @sheberle .
Last updated: 2025-09-08

Post by onstage on Unable to add EL6751 to Control RTE V3 on W11 IoT LTSC using Eng. V3.5 SP21 <sup>CODESYS Forge talk (Post)</sup>
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 rickwot809 on Codesys Soft PLC OPC UA server <sup>CODESYS Forge talk (Post)</sup>
Enabling Anonymous Login 1. Navigate to 'Device' > 'Communication Settings' > 'Device'. 2. Next, click on 'Change Runtime Security Policy'. 3. In the new window, find and check the box for 'Allow anonymous login'. After completing these steps, you should be able to communicate with the OPC UA server.
Last updated: 2025-09-11

Post by blitz on Latch alarm variables from the PLC runtime <sup>CODESYS Forge talk (Post)</sup>
Hi, I have a question. Does anyone know a way to change latch alarm variables from the PLC runtime? In the help there is a method described: https://content.helpme-codesys.com/en/libs/AlarmManager/Current/Interfaces/pou-IAlarm3/SetLatchVarValue.html but I don’t know how to use it correctly.
Last updated: 2025-09-23

Post by pernockham on Gateway in China - "Gateway not connected" <sup>CODESYS Forge talk (Post)</sup>
Gateway and runtime (Control for linux SL) on a debian linux. Thanks for your check. Good to know. I will probably travel there in about a months time so that will give me better possibility for further testing. (on a side note, I dont get mail-updates on forum-subscriptions, need to check the topics manually)
Last updated: 2025-09-26

Post by snhatton on How to write a for loop in ladder? <sup>CODESYS Forge talk (Post)</sup>
Hi there, little late to the party, but you could also use the ST block for in-line ST code and implement a for loop as you normally would. ST Block is super handy if you just need a small amount of in-line structured text code without creating a new POU. Hope this helps!
Last updated: 2025-10-06

Post by rene2 on How can you get the active frame index from a frame <sup>CODESYS Forge talk (Post)</sup>
I think I struggle with the same issue. I tried the currentVisu variable but this is the active Visualisation. I have a dialog with a frame with frame configuration like in the picture. I would like to use the index te be used to make a button look like it's pressed/selected.
Last updated: 2025-10-14

Post by nz-dave on Bool turning on in case stament in wrong state? <sup>CODESYS Forge talk (Post)</sup>
pretty sure its not. ive done a cross reference and only have one write that sets it to true. Only way i can stop it is to remove the function block call from the main pou that is running said case. its got me stumped:/
Last updated: 2023-12-16

Post by reinier-geers on SM3 motion project <sup>CODESYS Forge talk (Post)</sup>
Hi, i try to setup a softmotion programm. Controller version 15. Ethercat, When is scan Devices then it install's the drives. 4.11 . Somehowe they have a vesion 16 libary. I tried to install new but stil problems. I tried version 19. Then i get a Visu version problem. What can i do ? Why are ther always problems with a new version ?
Last updated: 2023-12-18

Post by dhumphries on IO link on IFM AL133x only single digital input on a channel <sup>CODESYS Forge talk (Post)</sup>
Try changing the port mode to digital input for each port you want to have 2 inputs in the connection settings for the device. I've successfully used ports for inputs on an AL1920 this way, I think the procedure should be the same for an AL1332.
Last updated: 2023-12-30

Post by felixal on Codesys automatic Data transfer to USB on rasberry pi <sup>CODESYS Forge talk (Post)</sup>
Hi all, I am currently working on a project where I need to save data automatically on many diffrent USB-Sticks, which are always plugged in the same USB-Port on a Rasberry PI, but I do not get how I can automatically detect the USB devices Folder Name and save a file there on Linux. Thanks!
Last updated: 2024-01-03

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