Post by valenting on Runtime not working on raspberry pi Bullseye ^{CODESYS Forge talk (Post)}
Hello I have a problem with Codesys on Raspberry pi with Bullseye The device is not recognized as a Raspberry pi, as I get this error : ooops... this runtime was built for RASPBERRYPI. Hardware version or firmware version not supported! (-18, 0x00000BB8, 0xFFFFFFFB) I'm running Codesys on a compute module 4S with Raspbian GNU/Linux 11 (bullseye), my kernel version is Linux 5.10.90-v7l+ Codesys version is the latest, released last week (4.11.0.0, CODESYS Control V3.5.19.61 for ARM-32Bit - build Feb 22 2024) I know it works on the same device if I use Raspbian 10 (Buster) with Linux 5.4.81-v7l+ kernel, but for some other reasons I have to use Bullseye. What can I do ?
Last updated: 2024-03-01

Post by francescoc on Logger in ms ^{CODESYS Forge talk (Post)}
Hi, I cannot find any documentation regarding the codesys configuration file. I modified this part to have log files saved to disk: [CmpLog] Logger.0.Name=LOGS/PlcLog Logger.0.Filter=0xFFFFFFFF Logger.0.Enable=1 Logger.0.MaxEntries=20000 Logger.0.MaxFileSize=5000 Logger.0.MaxFiles=10 Logger.0.Backend.0.ClassId=0x0000010B ;sends logger messages to SysOut Logger.0.Backend.1.ClassId=0x00000104 ;writes logger messages in a file Logger.0.Backend.2.ClassId=0x00000135 ;sends logger messages as UDP syslog Logger.0.Type=0x314;Set the timestamp to RTC ;Logger.1.Name=/tmp/CommLog ;Logger.1.Enable=1 I need to have milliseconds in the timestamp as well. What value should I use instead of 0x314? Is there any documentation regarding this file? Thank you
Last updated: 2024-03-16

Post by struccc on Release SP20 - Changes in behaviour? ^{CODESYS Forge talk (Post)}
This... is not very practical for me - as I have a bunch of different classes - it's just doesn't seems to be very practical to define a NULL for each of them... Something like this I use in parameter definitions. For example: VAR_INPUT refVFD_Drive : REFERENCE TO FB_VFD_Drive := GVL_DUMMY.Dummy_VFD; END_VAR I use this to prepare objects for code I don't control: Typycally visualizations - had many troubles with references set on the fly, right before opening a corresponding visualization... And yes, the instance in GVL_Dummy reports itself as "Fake", so it does not influence the actual application at all. Actually this way I could invalidate a reference, just to set it to a "Dummy" instance.
Last updated: 2024-03-25

Post by esave on OPC UA Server with on Codesys + OPC UA Client on Labview ^{CODESYS Forge talk (Post)}
Hello everyone I want a communication between my PLC as an OPC UA Server and Labview on my PC as the OPC UA Client. I have an Festo CPX-E-CEC-C1-PN PLC and I have the OPC UA Toolkit from Labview. I created some Variables for testing (see picture 1) on Codesys. I tried to use this Labview block diagram (see picture 2) but I cant connect the PLC to it. What do I have to type in the Server Endpoint URL and what in the Node ID? Is this a good way for communication with a PLC to a PC? If not is there another way?
Last updated: 2024-04-12

Post by fontrap on cmDongle Raspberry Pi issue ^{CODESYS Forge talk (Post)}
Good morning @eschwellinger, After some research I found out that the problem is the preinstalled CodeMeter on Raspberry Pi. As I mentioned the CodeMeter was installed on the Raspberry because I use a license from other vendor that needs the CodeMeter to be installed. The problem is that when I uninstall the CodeMeter from Raspberry I am able to detect the dongle from CODESYS and everything works as it should be but now the other product can not detect its own license. When I reinstall the CodeMeter I am back to the initial problem. Is there a way to overcome this conflict through CODESYS?
Last updated: 2024-04-24

Post by lzml on Safety ^{CODESYS Forge talk (Post)}
I have a problem with a project that uses EtherCAT Safety. The project is developed with CODESYS version 3.5.19.20, runtime 3.5.18.30, safety CPU EL6900 4.3.1.0, TCEL6900FBS 3.5.1.10, IODrvEL6900 4.3.1.0, IODrvEtherCAT 4.1.0.0. The safety project works correctly, but when I download the PLC project for modifications, the ESM objects are no longer aligned with the states inside the safety program. Specifically, inside the safety program, they are seen as true, while outside the safety program, the state is reported as false, but not for all ESMs, only some. I have already tried to completely redo the safety from scratch, but nothing has changed. Any solutions? Thanks
Last updated: 2024-05-24

Post by kuegerls on SysProcessExecuteCommand2 and CANopen Device ^{CODESYS Forge talk (Post)}
Hello, CODESYS Control is running on my RevPi, and my system communicates over a CANbus with a master using the ConnectCan module (Slave - CANopen Device). The communication works perfectly fine so far. However, as soon as I call a Python script with "SysProcessExecuteCommand2" that creates a CSV file and executes without errors, the master does not adopt any changes to the Transmission Process Data Objects (TPDOs). I don't quite understand what one has to do with the other, and perhaps someone can help me with this. Here is my script call: SysProcess.SysProcessExecuteCommand2(pszCommand:='python /home/pi/test.py', pszStdOut:=sCMDOutput, udiStdOutLen:= SIZEOF(sCMDOutput), pResult := ADR(eResult)); Thank you in advance! Best regards, Stefan
Last updated: 2024-06-20

Post by msegon on OPC UA Client failed to connect ^{CODESYS Forge talk (Post)}
Hi everyone, I would appreciate your help with a problem I've been working on for a few days but haven't been able to resolve. I'm trying to read data from Tridium Niagara 4.15 OPC UA Server, but I get the error BadCertificateInvalid. As far as I understand, you need to add a CA certificate somewhere to establish a secure connection, but I don't know where. 2025-10-27T09:06:43.247Z, 0x0000008d, 4, 0, 0, * ERROR: OpcUa_Channel_BeginConnect: Cannot create secure channel without certificates! 2025-10-27T09:06:43.247Z, 0x00001090, 4, 0, 0, * ERROR: Datasource: Error Failed (268468242) in state Connecting I tried communicating without encryption, but it doesn't find the point. Has anyone managed to establish encrypted OPC UA communication?
Last updated: 2025-10-28

Post by mattkaree on Mapping values with etherCAT mailbox communication ^{CODESYS Forge talk (Post)}
I am using a WAGO PFC200 PLC as an etherCAT master and a Keyence IV3-G120 with DL-EC1A attached as an etherCAT slave. I am using CODESYS V3.5 SP21 Patch 3. I was able to set up mailbox communication and can see values changing accordingly, but I want to know how I can map these values and reference them in my program. I am able to map the process data objects in the 'EtherCAT I/O Mapping' tab, but there is no where to map the mailbox values in the 'CoE Online' tab. Is there a way I can reference one of these values in my code?
Last updated: 2026-01-27

Post by dvmaris on Control for Linux ARM64-User Management issue ^{CODESYS Forge talk (Post)}
I'm trying to work with Codesys Control for Linux ARM64 SL 4.18.0.0 on a Toradex Verdin NXP iMX8MP. I have the runtime installed and operational as well as Codemeter lite 8.40.7141.503 (arm64). I'm running 3.5.20.60 and when "Scan Network" I see the Verdin popup. When I try to connect to it, the "mandatory use of the user management" popup shows...which makes sense. I click YES and enter user information and click OK. It immediately displays a "No device is responding to the scan request" popup. The IDE can see the Verdin in the scan...so this popup does not make sense to me. I thought maybe it was a read only issue but I've made all partitions and paths RW. Has anyone experienced this? Can anyone tell me where it is trying to write user data?
Last updated: 2026-02-11

Post by jegerjon on XY Chart ^{CODESYS Forge talk (Post)}
I have a XY chart in a visualization that is working fine, all lines are presented correctly. When I present the XY chart visualization in a frame, it seemes as no values are recorded, all lines are zero. When i open the visualization containing the XY chart in e!cockpit i see the lines are presented correctly but still not in the frame. Any ideas?
Last updated: 2023-08-30

Post by martinlithlith on Device User Logon and No device is responding.. Pi4b codesys 3.5 SP19 2 + (64-bit) ^{CODESYS Forge talk (Post)}
Hi, Thank you for your reply! What should be the version 4.9.0.0? I have a user named pi on the pi, thats what i´m using as credientials to be able to for example update/install runtime. Or do i need another user? once agin, thank for the reply! Martin
Last updated: 2023-09-11

Post by snhatton on Alarm Management - latched variable represented as Text list ^{CODESYS Forge talk (Post)}
Hi There, For my understanding: are you trying to display the contents of a text list in an alarm message based on the id? For example, you could maintain a text list of common alarm messages, and then display based on which message is true?
Last updated: 2023-09-18

Post by eschwellinger on Correct CAN Driver for EL6751 ^{CODESYS Forge talk (Post)}
Hi, for Control Win : add CmpEL6751CanDrv in the c:\ProgramData\CODESYS\CODESYSControlWinV3x64\E1FA7ABE\CODESYSControl.cfg [ComponentManager] Component.1=CmpTargetVisuStub Component.2=CmpWebServer Component.3=CmpWebServerHandlerV3 Component.4=SysCpuMultiCore Component.5=SysReadWriteLock Component.6=SysCpuBreakpoints Component.7=SysPipeWindows Component.8=CmpEL6751CanDrv for Linux SL or Pi or any ARM device - I think it is already static loaded as component - see plclogger on startup
Last updated: 2023-09-20

Post by lucaver89 on Raspberry pi 3 and runtime 4.9.0.0 ^{CODESYS Forge talk (Post)}
Good morning, I'm using a raspberry pi3 as plc with the runtime 4.9.0.0. My program has many of retrain variables but when an update is performed the retrain variables comes back to default values. Is the a way to backups the retrain variables n a csv file? Is still the way to restore them from the csv? Thank you for helping Luca
Last updated: 2023-09-23

Post by derpaul on Official MQTT-Client: MAX_RECEIVE_BUFFER_SIZE_EXCEEDED ^{CODESYS Forge talk (Post)}
I've post the Versions in the Attachments. It seems with htop, that there is a very high CPU Load. In the Log I can see nothing, as mentioned above I've to restart the PLC with Power off/on and the log in codesys was deleted. Or what do you mean with plclogger?
Last updated: 2023-09-23

Post by dgrard on Camera RTSP Feed ^{CODESYS Forge talk (Post)}
Hello Is it possible to view a camera RTSP feed in a visualization? It seems as though the browser element doesn't support this and we are trying to replicate an example using the ActivX element with no luck. We are using the Windows Control Win x64 device with a camera connected via LAN. If it is possible, can you provide some instructions please. Thank you
Last updated: 2023-10-17

Post by chiali on Recipe issue. ^{CODESYS Forge talk (Post)}
Hi Everyone, I'm trying to make a simple Recipe project using 'Save Recipe In File' and 'Load and Write Recipe' Execute Command buttons in Visualization but No dialog box 'Save As' appears when I click on buttons (Nothing happens). What is wrong. Please see the attached files. Best Regards, Chiali.
Last updated: 2023-10-23

Post by anhkdv on Data storage and Export in Codesys ^{CODESYS Forge talk (Post)}
I am doing a SCADA project on temperature and humidity monitoring system. The customer requested that we store the database through codesys without the need for intermediary software such as MySQL, MSSQL,... and be able to export reports at selected times, reports exported to csv files. , xslm,... Can anyone help me?
Last updated: 2023-10-29

Post by sonnh on How to use more 4 instances of CANopen/Profibus/Modbus with The application-based license CODESYS Control ^{CODESYS Forge talk (Post)}
The codesys application license allows the use of up to 4 fieldbus instances (eg Modbus). I need to use more instances than that. Can I use the Modbus library instead? Does this usage require a license? Similar to other libraries such as CanOpen, Modbus TCP...
Last updated: 2023-11-02

Post by timvh on Send file from codesys to...... ftp, cloud, etc ^{CODESYS Forge talk (Post)}
You can use the (open source) FTP client in Forge. This works on 64 bit systems. See: https://forge.codesys.com/prj/ftp-client/code/HEAD/tree/ As this is open, the idea is that when you use it and make improvements to the source code, that you also commit this in a branch so others can also benefit from it.
Last updated: 2023-11-07

Post by leon78 on Codesys 3.5 SP17 Patch 2 CheckBounds (POUs for Implicit Checks) ^{CODESYS Forge talk (Post)}
Hello! I use CheckBounds (POUs for Implicit Checks). But I have a problem. I use an array as an VAR_IN_OUT of Function Block. If I try to monitor the array of variable length ([* ]), its does't work. The CheckBounds POU isn't called. If I use the array of fixed lenght ([lower..upper]), the CheckBounds POU is called. Why?
Last updated: 2023-11-14

Post by leon78 on Codesys 3.5 SP17 Patch 2 CheckBounds (POUs for Implicit Checks) ^{CODESYS Forge talk (Post)}
Hello! I use CheckBounds (POUs for Implicit Checks). But I have a problem. I use an array as an VAR_IN_OUT of Function Block. If I try to monitor the array of variable length ([* ]), its does't work. The CheckBounds POU isn't called. If I use the array of fixed lenght ([lower..upper]), the CheckBounds POU is called. Why?
Last updated: 2023-11-14

Post by leon78 on Codesys 3.5 SP17 Patch 2 CheckBounds (POUs for Implicit Checks) ^{CODESYS Forge talk (Post)}
Unfortunately, it was fixed in SP19, but I need SP17 CDS-82162 Bug Compiler: Checkbounds is not working for dynamic arrays with VAR_IN_OUT as index access Fixed [[GENERAL]] Compilerversion >= 3.5.19.0 https://de.codesys.com/fileadmin/data/Images/System/Releaseinformation/Release-Notes-CODESYS-35190.html
Last updated: 2023-11-16

Post by talhaali on Adding a variable from text list into ST code ^{CODESYS Forge talk (Post)}
Hi, can I use a entry of a text list as variable in structured text? for example in attach picture, if i use want to use data of first row. I am trying to write: A : STRING := TextList.Default.0; but it is not workings
Last updated: 2023-12-07

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