Post by mp9876 on Problems with simulation in Window 10 ^{CODESYS Forge talk (Post)}
Hi Eschwellinger, sorry for so late reply but I found a solution back then; uninstall completely Codesys V3x64 and re-installed Codesys V3x32 to properly note the password I created and everything went ok. thank you for your suggestion and have a good day/evening Mike
Last updated: 2024-05-30

Post by rd76065 on Opto 22 Groov PR2 Modbus TCP Master communication ^{CODESYS Forge talk (Post)}
Previously, I have used ModbusEthernet_04 library for Wago for ModbusTCP Master communicational in Codesys V2.3. How to use same communication of similar UDT for Opto22 Groov PR2 PLC in Codesys V3.5 SP20. Can I use OSCAT library - Network -MB_Client or IODrvModbusTCP - ModbusRequest for this requirement? If any other please guide.
Last updated: 2024-05-31

Post by rjonker on codesys mqtt publish serialization ^{CODESYS Forge talk (Post)}
pbPayload is a pointer, which it expects to point at a STRING. If you point it at an address holding a different data type, it will just assume those bytes are part of a string and likely trundle along memory until it finds a null byte (0x00) that would normally signify the end of a string PublishMessage := BOOL_TO_STRING(boolVariable);
Last updated: 2024-06-05

Post by wb16 on Visualisation generates "Unresolved reference" ^{CODESYS Forge talk (Post)}
Hello Zol6, Have you solved this issue? I use Festo PLC CPX-E-CEC-C1 to create alarm monitoring project. In CODESYS V3.5-SP18 I used the Alarm Storage object and have the same problem. Is it the PLC that is not compatible or the version of the library is not match? Best, wb16
Last updated: 2024-06-10

Post by felipemsgarcia on Generic EtherCAT slave ^{CODESYS Forge talk (Post)}
Hello all, I still couldn't find the answer. I wanted to know is if there is a generic EtherCAT slave object already in CODESYS that I can use for anything, remote IO, Drives, VFD's and so on, as long as I match PDO's. Is there such an object? Thank you!
Last updated: 2024-06-20

Post by gatto on variables between two applications ^{CODESYS Forge talk (Post)}
Hello, I'm experimenting with two applications. I was able to start stop applications with the CmpApp library. Currently in my test the variables declared in the first application are not visible and writable in the second. I ask if there is the possibility of having variables that are visible both in the first application and in the second.
Last updated: 2024-06-22

Post by nano on Cant login to Rpi4 but can see it in codesys communications settings. ^{CODESYS Forge talk (Post)}
which ports in detail are configured. the search of the rts works via broadcast-messages, programming with tcp-port on p2p-connection woth port-hopping, handled by runtime after siccesfully handshake. look at this entry on forge https://forge.codesys.com/forge/talk/Runtime/thread/4078a2ed28/
Last updated: 2024-06-23

Post by davidbo on Toradex and CODESYS and licensing ^{CODESYS Forge talk (Post)}
I am evaluating a Toradex product for use with CODESYS. Toradex and CODESYS are partners, but using "CODESYS Virtual Control for Linux ARM64 SL" together with a carrier board "Verdin mallow" However it doesn't seem to be a soft container for licenses. So how do I install a license
Last updated: 2025-10-20

Post by yigitcant on Configuring a CIP object for Explicit Message ^{CODESYS Forge talk (Post)}
Hello sir, ı am new player in codesys env. I wonder that how to communicate with Fanuc robot and Codesys, ı wanna use explicit message EIP but ı don't find an usefull manual in codesys env. Pls share me your project I can not find CIP protocol
Last updated: 2025-10-22

Post by navan on License Reset Request – CODESYS Control Win V3 Standard L ^{CODESYS Forge talk (Post)}
Dear CODESYS Support Team, My IPC hardware failed and was replaced. The CODESYS Control Win V3 Standard L license now shows “Activation Invalid” in CodeMeter Control Center. Please reset or reissue the license to my new IPC. Details: Product: CODESYS Control Win V3 Standard L 32 bit Version: 3.5.20.10 Ticket : Xxxx-xxxx-xxxx-KJE4 New Container ID: (130-......837) Thank you,
Last updated: 2025-10-23

Post by alessandro on Configuring a CIP object for Explicit Message ^{CODESYS Forge talk (Post)}
We used this with shared memory codesys. and work. OpENer is an EtherNet/IP™ stack for I/O adapter devices; supports multiple I/O and explicit connections. And we adapt this also for Implicit message. But for arrive to the end we spend a lot of time. :-(((
Last updated: 2025-10-24

Post by timvh on Persistent Retain Variables Not Visible in Online View (WAGO PFC100 + CODESYS) ^{CODESYS Forge talk (Post)}
It is a known issue. It only happens with CODESYS and Wago controllers and the Persistent Variables. It seems related to using 64 bit variables in the PV list (e.g. LREAL). Internally in the PLC everything works okay. It is just a monitoring issue.
Last updated: 2025-10-26

Post by fahrettin on CODESYS 3.5.17.30 Setup Error ^{CODESYS Forge talk (Post)}
While trying to install CODESYS 3.5.17.30 (64-bit) on my Windows 11 computer, I'm getting the errors below. The first error occurs near the end of the installation. Once you bypass it, the installation returns the second error. Do you have any suggestions for a solution? By the way, I've tried this on several PCs, but I haven't found a solution.
Last updated: 2025-10-30

Post by kalmeyer on Stepper motor control with (SM_Drive_RaspStepper_direct) ^{CODESYS Forge talk (Post)}
Hi Helpers I'm trying to work with stepper motor on Rasp 5 for the first time. So I'm pretty new.😥here. I've used: https://forge.codesys.com/drv/sm3raspistepper/home/Home/ but I get the following error when I insert. I also get 6 errors when I "rebuilder" after installering "SM_Drive_RaspStepper_direct" from the tree. Hope there is help for me. Thanks in advance /Klaus
Last updated: 2025-11-04

Post by jonasz on Deploy LicenseServer for Linux SL ^{CODESYS Forge talk (Post)}
Hello, Basically, everything is clear to me. There's still the issue of a TimeProvider for an external device. This may be a stupid question, but I can't find this package. And of course, the question is, can the RPi machine be an external provider? Has anyone tested such a solution?
Last updated: 2025-11-18

Post by gseidel on SMC_ERROR SMC_CGR_INVALID_POSPERIOD ^{CODESYS Forge talk (Post)}
Hi blitz, that usually means that the modulo period, when converted to increments, is larger than 2^31. (The bus bandwidth is usually 2^32.) What is your "technical unit", do you program in angular degrees? And what is the modulo period? If you want you can post the drive configuration (screen shot of the "General" and "Scaling/Mapping" page). Best regards, Georg
Last updated: 2025-12-16

Post by aniket-b on Scara3 kinematic robot error ^{CODESYS Forge talk (Post)}
Here I have attached the task monitor data. What is very weird is that I am using MC__MoveDirectAbsolute FB, when I choose Vel/ACC/Jerk Factor to 1.0 it run fine. It ran 10 hours without the issue. But I get the error randomly when I use factor as 0.5
Last updated: 2025-12-29

Post by bruno-roth on Parker Compax3 controlled by Schneider LMC 201 ^{CODESYS Forge talk (Post)}
Hello, You could not run EtherCAT-Softmotion drives with LMC201 PLC. This Controller has an EtherCAT master but only to run simple I/O devices. You could not use this EtherCAT master on the LMC201 for Motion. Schneider PACdrive Controller use SERCOS and only own drives (LXM62 with Sercos) for motion.
Last updated: 2026-01-13

Post by dat422 on OPC UA Enum Issue ^{CODESYS Forge talk (Post)}
Hi everyone, I’m using CODESYS V3.5 SP22 with the Communication Manager to run an OPC UA server. I have a problem with enums: when I view them in a client like UaExpert, only the last enum member is shown, and it has the wrong value. Has anyone seen this issue before or knows what might cause it? Thanks!
Last updated: 2026-03-27

Post by poliautomacao on Absolute movement controlled by an external encoder. ^{CODESYS Forge talk (Post)}
Georg, the encoder's actual position was -208 because I moved it manually for testing, but I managed to get it working. Your information is correct; there was a parameter error, Kp was at 0. After I adjusted it, it responded as expected. Thank you very much for your help.
Last updated: 2026-04-02

Post by nulltrace on Codesys Installation Always Freeze when the installing is almost done ^{CODESYS Forge talk (Post)}
in most of this cases the Installer ins't frozen, it's more likely that the Antimalware-Service-Executable slow's them down. Turning it off during installation of Codesys helped me all the time. Also keep attention on Taskmanager to get e feeling for the Installer Give it a try.
Last updated: 2026-04-05

Post by alexgooi on No Bootproject possible ^{CODESYS Forge talk (Post)}
Hello Simon, Thank you for your response. The problem occurs after about 10 online changes, after this a full download is required, but that means that the installation is going down. Is it possible to enlarge the space reserved for online changes, so that the problem occurs after 100 online changes for example? Kind regards Alex
Last updated: 2026-04-14

Post by yoeri on Python Scripted Save_Archive with noUI ^{CODESYS Forge talk (Post)}
Is there any update on this? Running codesys 3.5.19.70 proj = projects.open(project_path, primary=True, update_flags=flags) This gives an error only when using --noUI exception System.NullReferenceException: Traceback (most recent call last): File "C:\Project\ci\build.py", line 14, in <module> SystemError: Object reference not set to an instance of an object. Exit code: 1</module>
Last updated: 2026-01-30

Post by mait-tim on Unknown Type ^{CODESYS Forge talk (Post)}
Hello, Im working with EPEC PLC's and working on the HMI and i'm running into the following errors: Unknown Type ISOImages.TargetContainer.TDS (and similars) I cannot locate the error and the source position is the visutalisation manager where i cannot find anything related to this type. Im working with: Codesys V3.5 SP18 patch 3 and i cannot update since the hardware does not allow for newer SP versions
Last updated: 2026-04-03

Post by egret on Issue with J1939, PGN 65267 (Vehicle Position) ^{CODESYS Forge talk (Post)}
I have a J1939 network (ISOBUS) connected to my PLC. I can receive various PGNs such as 65256 (Vehicle Direction/Speed) and 65254 (Time/Date). However, I cannot receive 65267 (Vehicle Position). PGN 65267 (VP) contains SPN 584 (Latitude) and SPN 585 (Longitude). On the network both SPNs return a value of -210 (meaning the CAN message payload is zero in both cases). The conversion settings are the default values and appear to be correct (see attached screenshot). Using a CAN analyser I can see that PGN 65267 (Vehicle Position) is being transmitted over the network with valid (non-zero) data that matches the latitude and longitude coordinates I would expect. I've created a program to read the raw J1939 data and this also returns valid data. It seems that the Codesys J1939 database has a problem with reading PGN 65267 messages. Can anybody else confirm this? I'm using Codesys Version 3.5 SP16 Patch 5.
Last updated: 2023-09-13

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