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Post by gatto on warning C0195 ^{CODESYS Forge} ^talk ^(Post)
Good morning dear codesys users. I'm using 3.5.20.40 and I get this warning C0195 when I assign an initial value to xyz. However, if I do it on a single byte (abc), it doesn't display any warning. Why? VAR_GLOBAL abc : BYTE := 100 ; xyz : ARRAY [1..10] OF BYTE := [10(100)] ; END_VAR
Last updated: 2025-11-20

Post by timvh on Textfield display problem ^{CODESYS Forge} ^talk ^(Post)
Did you test this with the latest version of the CODESYS Visualization add-on? Something that you might want to test is if it works better when you disable the "Support client animation and overlay of native elements". Double-click on the VisualizationManager in your project to find this setting.
Last updated: 2025-11-21

Post by bertram on Installation IOT Libraries kann nicht installiert werden ^{CODESYS Forge} ^talk ^(Post)
IOT Package SL 1.12.0.0 läst sich nicht Installieren da keine Installation gefunden wurde in die die das Package installiert werden kann. Windoof 11 Installer 2.5.0 Codesys V3.5 SP21 Patch 3+ 64 Bit. Hat jemand einen Rat für mich ? Bin um jeden Tip dankbar. herzliche Grüße an alle.
Last updated: 2025-11-25

Post by yr00 on OPC UA datasource low read frequency ^{CODESYS Forge} ^talk ^(Post)
Hello everyone, I am trying to test the OPC UA client feature in Codesys. My setup is the following; I have a Codesys simulation/ visualization running on Control Win V3. My OPC UA server is hosted on a Siemens 1518 PLC using PLCSim Advanced. The setup is completely virtual so there are no really PLCs. Everything is on my laptop. Writing data from the Codesys simualtion to the server is very quick. I have a PLC program running on another 1500 PLC which reads data from simulation via the server, and changes in the simulation (e.g. button pressed) appear within hundreds of miliseconds if not tens of miliseconds in my PLC program. However, when it comes to reading data from the OPC UA Server by Codesys, it taks around 1-2s. I connected a UAExpert client and it gets update very quickly so I am fairly sure the problem is with Codesys. I have tried changing the update rate in datasource -> General and Diagnosis, but it doesn't seem to have an effect. Do you guys have any suggestion on what I can do?
Last updated: 2023-08-29

Post by ofey on Codesys Soft PLC OPC UA server ^{CODESYS Forge} ^talk ^(Post)
Hi! I'm sorry if this has been asked before. I have tried looking up previous topics regaring this, but even though I'm following tutorials and other posts I cant seem to get this to work consistently. I actually got the connection established on a test project after some trial and error. I only got it to work with the "Anonymous login". But after i deleted the test project and tried to get the same thing to work on another project I cant get it to work anymore. What I'm trying to do: Set up and OPC UA Server using CODESYS with the free soft PLC. I then try to connect to the OPC UA Server with the program "UaExpert". What happens: I get the error Error "'BadUserAccessDenied' was returned during ActivateSession". What I have done in CODESYS: - Added the object "Symbol configuration" and checked some test variables - Checked "Support OPC UA features - In "Communication settings -> device -> Change runtime security policy" I have checked "Allow anonymous login" What I have done in UAExpert: - Found the OPC UA server under "local". (It is showing two servers though, I do not know why. It showed the same when it worked yesterday). Se attachment - Checked "Anonymous" under "Authentication settings in the OPC UA server. I'm new to CODESYS, so it could be something elementary wrong in my settings. Maybe something in the user settings in CODESYS regarding user rights or something?
Last updated: 2023-09-14

Post by cihangur on OpC UA server on Raspberry Pi 64 SL runtime ^{CODESYS Forge} ^talk ^(Post)
Hello everyone, I wanted to write here because it is a similar and the most up-to-date topic. I want to connect to CoDeSys Win V3 x64 - 3.5.19.50 with OPC UA using WinCC Advanced V17. (Or to a PLC with CoDeSys Version 4.10.0.0) My settings are exactly the same as the previous comment. I even tried many different settings. I can access all CoDeSys OPC UA variables via TIA Portal IDE and add them to my HMI tags. When WinCC RT Advanced is started, it gives a warning that the connection could not be established and does not update the variables. I can connect to Inovance AM600 using CoDeSys Target version 3.5.11.50. (The same version Win x64 is also connected.) However, a security setting in the current versions prevents me. I would be very happy if those who have up-to-date experience on this issue and find a solution share it. The CoDeSys Security Settings which I can access variables with TIA Portal: CommunicationPolicy: POLICY_BASICSHA256SHA256 CommunicationMode: ALL Activation: Activated UserAuthentication: ENABLED Server Certificate: Valid until 2034 Greetings.
Last updated: 2024-12-06

Post by gunstr on CODESYS control on RPi starts, shortly runs, then exits ^{CODESYS Forge} ^talk ^(Post)
We have been using the Codesys Control for Rasberry Pi for several years in many installations without any major issues. But during summer the problem mentioned above has blocked further deliveries. We have made some minor upgrades to the application but I do not really see why that should have any impact. HW is Raspberry Pi 4B, 2GB OS is Booworm Lite Codesys control is version 4.15 (have just installed a few systems lately with this version) The system boots OK but after exactly 30 seconds Codesys is shut down and becomes unreachable. We have tested several different combinations: Upgrade of the Codeys Control to 4.16 Loading different Codesys applications Changing to 4GB version of the Raspberry Pi One of the test applications together with the 4GB HW seems to be stable, but all other combinations fails. Any suggestion what we can do to resolve is appreciated - this is a real business blocker now. Rgds
Last updated: 2025-09-02

Post by ranadheer on Codesys Control for PLCnext (PLC - AXL F 2152) ^{CODESYS Forge} ^talk ^(Post)
Hello Jaco Pretorius, I came across your post regarding CodeSys control for PLCnext. I’m currently working on a similar setup and had a quick question. Here am using the CODESYS V3.5 SP21 PATCH2 ,VERSION 3.5.21.20 , and Downloaded extension package 4.16.0.0 (old versions are not available in the extension CodeSys installer) Devices used here are: BUS COUPLER : 2403869 BK PN TPS Module carrier slot 1 : 1088127 AXL SE DI16/1 Module carrier slot 2 : 1088062 AXL SE AI4 | 4-20 Module carrier slot 3 : 1088129 AXL SE DO16/1 Module carrier slot 4 : 1088123 AXL SE AO4 | 4-20 -->Start a New Project Type: Standard Project Device: CODESYS Control Win V3 x64 Language: Structured Text -->Install GSDML File Navigate to: Tools > Device Repository > Install Select the GSDML file path (downloaded from Phoenix Contact for device coupler Part ID: BK PN TPS 2403869) Click Renew Device Repository Close the dialog -->Add Device to Project -->Right-click on Devices > Add Device Issue: Devices from the repository are not available to select or call into the project! I’d really appreciate any guidance or suggestions you can offer. Best Regards Ranadheer Reddy
Last updated: 2025-09-09

Post by willbechel on Errors about PLC configuration in CoDeSYs software ^{CODESYS Forge} ^talk ^(Post)
I saved it as the same project but in a different location. I opened this "new project". I clicked on the "Direct Login from Automation Builder" button. It automatically directed me to CODESYS, where I was able to create the "Create Boot Project" but first I also clicked login again but inside CODESYS keeping the automation builder login online. Additional Information: The "Create Boot Project" function in CODESYS is used to create a project that will automatically start when the controller is booted up. To create a boot project, you must first create a new project in CODESYS. Once you have created a new project, you can then use the "Create Boot Project" function to create a boot application. The "Create Boot Project" function will create a new application that is based on the current project. The new application will be saved in the same location as the current project. You can then download the new application to the controller.
Last updated: 2024-02-01

Post by willbechel on Project Login Problem ^{CODESYS Forge} ^talk ^(Post)
I saved it as the same project but in a different location. I opened this "new project". I clicked on the "Direct Login from Automation Builder" button. It automatically directed me to CODESYS, where I was able to create the "Create Boot Project" but first I also clicked login again but inside CODESYS keeping the automation builder login online. Additional Information: The "Create Boot Project" function in CODESYS is used to create a project that will automatically start when the controller is booted up. To create a boot project, you must first create a new project in CODESYS. Once you have created a new project, you can then use the "Create Boot Project" function to create a boot application. The "Create Boot Project" function will create a new application that is based on the current project. The new application will be saved in the same location as the current project. You can then download the new application to the controller.
Last updated: 2024-02-01

Post by timvh on Toradex and CODESYS and licensing ^{CODESYS Forge} ^talk ^(Post)
For the Virtual Control you need to use a "Network license". The Virtual Control has parameters of which one is the reference to the license server. This can be the device itself, but you need to activate the license on the host system (not in the container). For this, CODESYS has a Network License server with WBM (web based management). See for the Network License configuration: https://content.helpme-codesys.com/en/CODESYS%20Control/_rtsl_license_controller_linux.html If it is only for evaluation, I would advise to use a CODESYS (USB) key and activate the license on the key. Then you still have to install the CODESYS Network License server on the host, but you don't have to activate the license as soft license on the device. The benefit is that you can easily move your license to another device when needed. Off course your device must have a free USB port available to be able to do this.
Last updated: 2025-10-20

Post by tjacks on Opc UA Data Source Client Browse Error in Codesys HMI ^{CODESYS Forge} ^talk ^(Post)
Codesys V3.5 SP21 Patch 3 Codesys HMI 3.5.21.30 I'm trying to connect to an OPC UA server on a Kuka robot controller using Codesys HMI's data source manager. I get through the login phase and the client browses most of the data structure on the server but errors out toward the end with a generic: Error while browsing the client, Failed with service result: BadUnexpectedError. If I complete the data source setup and try to update variables, I get the attached stack trace for the error. I've tried several different endpoint and security options. Most get me through the login but all error out while browsing. UA Expert happily connects and browses with the same configuration. I've connected this same version of Codesys to TwinCAT OPC UA servers and Siemens PLC OPC UA servers. Any ideas on what may be causing the generic BadUnexpectedError during OPC UA server browse?
Last updated: 2025-11-17

Post by mogam on Internal error:System.NullReferenceException: The object reference was not set to an object instance. ^{CODESYS Forge} ^talk ^(Post)
Hi everyone, I have a my App that reads values from a shared memory than 2 variables x,y were calculated. here as you can see in my code: PROGRAM PLC_PRG VAR szName : STRING := '/SM'; ( Name of the shared memory.) uxiSize : __UXINT := 646 * 2 * SIZEOF(REAL); ( Size of the shared memory. ) hShm : RTS_IEC_HANDLE; ( Handle to the shared memory ) pStart : POINTER TO REAL; ( Pointer to the first element in the memory ) pData : POINTER TO REAL; ( Pointer, which is incremented until the last sign in the memory is reached. ) shared_data :ARRAY[0..645, 0..1] OF REAL; velocity : ARRAY[0..2] OF REAL; ( Velocity array ) position : ARRAY[0..2] OF REAL; ( Position array ) angleDepth : ARRAY[0..645, 0..1] OF REAL; ( Angle and depth array ) xEndOfMemory : BOOL; x : ARRAY[0..645] OF REAL := 1.0; y : ARRAY[0..645] OF REAL := 1.0; (* Result of actions at the memory. *) OpenResult : RTS_IEC_RESULT; ReadResult : RTS_IEC_RESULT; PointerResult : RTS_IEC_RESULT; DeleteResult : RTS_IEC_RESULT; CloseResult : RTS_IEC_RESULT; i : INT; END_VAR ( Open the shared memory ) hShm := SysSharedMemoryOpen2(szName, 0, ADR(uxiSize), ADR(OpenResult)); IF hShm <> RTS_INVALID_HANDLE THEN (* Read the entire shared memory table *) SysSharedMemoryRead(hShm:= hShm, ulOffset:= 0, pbyData:= ADR(shared_data), ulSize:= uxiSize, pResult:= ADR(ReadResult)); (* Fetch the pointer from the shared memory. The pointer is pointing to the first element address *) //pStart := SysSharedMemoryGetPointer(hShm, ADR(PointerResult)); (* Close the shared memory *) //CloseResult := SysSharedMemoryClose(hShm := hShm); (* Read velocity and position data from the shared memory *) FOR i := 0 TO 2 DO velocity[i] := shared_data[i, 0]; position[i] := shared_data[i, 1]; END_FOR; (* Read angle and depth data from the shared memory *) FOR i := 0 TO 645 DO angleDepth[i, 0] := shared_data[(i + 6), 0]; angleDepth[i, 1] := shared_data[(i + 6), 1]; END_FOR; FOR i := 0 TO 645 DO x[i] := angleDepth[i, 1]*COS(angleDepth[i, 0]); y[i] := angleDepth[i, 1]*SIN(angleDepth[i, 0]); END_FOR; END_IF For these values an XY-CHART needs to be done and when i create a visualisation and set the x data and y data when i try to compile, i recieve this error: ------ Übersetzungslauf gestartet: Applikation: Device.Read_App ------- Code typisieren ... [FEHLER] Internal error:System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. bei _3S.CoDeSys.LanguageModelManager.LDateType.Accept(ITypeVisitor typvis) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IArrayType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei _3S.CoDeSys.Compiler35140.Compiler.(_ICompileContext , _IPreCompileContext , _ICompileContext , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.(_ICompileContext , Boolean , Boolean , _IPreCompileContext , _IPreCompileContext , _ICompileContext , Boolean , Boolean& , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.(Guid , Boolean , Boolean , Boolean , Boolean& , _ICompileContext& , _ICompileContext& , IProgressCallback , Boolean , Boolean ) Kompilierung abgeschlossen -- 1 Fehler, 0 Warnungen Übersetzung abgeschlossen -- 1 Fehler, 0 Warnungen : Kein Download möglich!
Last updated: 2024-05-24

Post by cfam on Codesys Control for PLCnext (PLC - AXL F 2152) ^{CODESYS Forge} ^talk ^(Post)
Good day All I would like to share some information on this site for the Codesys team as well for the future members using Codesys Control for PLCnext if it is allowed. I hope that i Post it in the correct spot. Subject: Codesys, Codesys Control for PLCnext Objective: Using the following Phoenix components to built a PLC Rack and run it on Codesys: Hardware and Software used 1. 2404267, AXC F 2152 - Controller 2. 1088136, AXL F BP SE6 - Module carrier 3. 1088129, AXL SE DO16/1 - Digital module 4. 1337224, AXL SE PD16 GND - Potential distributors 5. 1088127, AXL SE DI16/1 - Digital module 6. 1337223, AXL SE PD16 24V - Potential distributors 7. 1088123, AXL SE AO4 I 4-20 - Analog module 8. 1088134, AXL SE SC-A - Cover 9. Codesys v3.5 SP19 Patch 4 10. Codesys Control for PLCnext V4.10.0.0 Process: Firstly I built the Rack according to the Phoenix Project+ Software tool. Where I rebuilt it onto my test bench . I used the PLCnext Engineer IDE from Phoenix and all Communications where up and running and my PLC program executed successfully. THEN I tried the same PLC Layout with Codesys and Codesys Control for PLCnext. It was not successful and gave me the "Error: Local Bus not Running". I searched the web for answers but was unsuccessful in finding a solution. So I tried to change my configuration and found that the following Modules COULD NOT be recognized by Codesys Control. The result was that the Local Bus Failed to run. 1337224, AXL SE PD16 GND - Potential distributors 1337223, AXL SE PD16 24V - Potential distributors Example 1, Resulted in "Error: Local Bus Not Running": Module carrier slot 1: 1088129, AXL SE DO16/1 - Digital module Module carrier slot 2: 1337224, AXL SE PD16 GND - Potential distributors Module carrier slot 3: 1088127, AXL SE DI16/1 - Digital module Module carrier slot 4: 1337223, AXL SE PD16 24V - Potential distributors Module carrier slot 5: 1088123, AXL SE AO4 I 4-20 - Analog module Module carrier slot 6: 1088134, AXL SE SC-A - Cover Example 2, Result "Successful": Module carrier slot 1: 1088129, AXL SE DO16/1 - Digital module Module carrier slot 2: 1088127, AXL SE DI16/1 - Digital module Module carrier slot 3: 1088123, AXL SE AO4 I 4-20 - Analog module Module carrier slot 4: 1088134, AXL SE SC-A - Cover Module carrier slot 5: 1088134, AXL SE SC-A - Cover Module carrier slot 6: 1088134, AXL SE SC-A - Cover Result: Codesys or Codesys Control for PLCnext, has a PROBLEM to identify the following Modules. 1. AXL SE PD16 24V - Potential distributors 2. AXL SE PD16 GND - Potential distributors Hope that this information could be useful in future. Best regards Jaco Pretorius
Last updated: 2023-12-06

Post by kevinrn on Github Actions CI/CD tasks - development topic ^{CODESYS Forge} ^talk ^(Post)
Hello community, I just want to inform you about our plans and the current status of automating the build process for CODESYS libraries. So it might be helpful for some people who are in the same situation. Background story: I am a software engineer at powerIO GmbH, normally I use high level languages for the products we develop and offer. Sometimes I work with my team on CODESYS libraries, which can also be found in the CODESYS store. Most of the time I spend with them on architecture tasks and tasks that are not directly related to our products. Every time I see the manual processes for releasing a library etc., I am very surprised about this time intensive process. Current situation: I know there has been a scripting interface for years. CODESYS Git was released a few years ago, but the scripting interface was only released a few months (weeks?) ago. We developed a pseudo-automated solution a few months ago, but it was all very hacky. So now there is a better Git implementation and also more modularization and installation options. For example, the CODESYS installer has a full CLI, which makes it very convenient to install CODESYS installations headless. Plans: I think it's the right time to develop a better automation solution. Most of our software projects are hosted on Github and we use Github actions very intensively for other software projects. Therefore, we have decided to use Github for our CODESYS library projects as well. Following tasks should be implemented in automation for CI/CD tasks: - Automated setup of CODESYS installation (Already released: https://github.com/marketplace/actions/setup-codesys-installation) - Checkout CODESYS libraries - Execute tests scripts - Sign CODESYS libraries - Extract Library documentation - Create CODESYS package - Sign CODESYS package Side Note: - This is mainly a side project, and we do not provide support for the CI/CD part. - This topic is here to help and also to get help from other software engineers. - This project and idea is not prioritized as I am currently the only one working on it and I hope it will help us and also others and increase productivity. - We are putting this out there as an organization, but priorities can change quickly and the CI/CD tasks I am developing are mostly done in my spare time. So please don't expect this to happen in a short time or even be fully completed. I would be very happy if some ppl will join the development process and might be open to discuss some technical details for this. I hope this topic is not to off-topic, but I think the CI/CD part is very important today and it can increase a lot of quality and push productivity. Thanks :)
Last updated: 2024-03-28

Post by rajatdas2005 on Codesys Virtual control SL ^{CODESYS Forge} ^talk ^(Post)
Dear All, This is regarding Codesys Virtual control SL demo version. I am facing one issue. First I will describe the steps what I have followed till now. 1. In a PC I have Windows OS. Here Codesys IDE is installed, and also using the installer option of IDE I have also installed Codesys Virtual control SL. 2. A edge-gateway is also running in the same windows PC as local host. 3. Next I have a seperate PC with Ubuntu OS with docker installed. This machine is in the same network. 4. Now I have created a project in Windows machine using device "Codesys Virtual control SL". 5. In the Ubuntu machine I am running the Codesys Virtual control SL as docker and it is using the ubuntu machine network only. 6. Next using the localhost edge-gateway when I am searching the virtual control SL docker it is able to detect it. (screenshot attached) 7. But after creating the creadentials it is telling No Device is responding. 8. I have also checked the wireshark logs and able to see that in destination port 11740 data is coming. 9. From windows PC telnet ip 11740 is also working. 10. Ping is also working ===========================================LOGS ========================= sudo ss -tlnp | grep -E "(443|1217|4840|8080|11740)" LISTEN 0 10 10.135.114.142:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=21)) LISTEN 0 10 172.18.0.1:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=24)) LISTEN 0 10 172.17.0.1:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=23)) LISTEN 0 10 127.0.0.1:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=26)) LISTEN 0 10 192.168.122.1:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=22)) LISTEN 0 5 0.0.0.0:11740 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=20)) LISTEN 0 128 0.0.0.0:8080 0.0.0.0: users:(("python3",pid=1280,fd=4)) LISTEN 0 10 172.19.0.1:4840 0.0.0.0: users:(("codesyscontrol.",pid=41864,fd=25))
Last updated: 2025-08-06

Post by mubeta on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge} ^talk ^(Post)
Hello everyone, I have a very simple program for the process, but it's driving me crazy and I can't see the problems I'm left with: Short topological description: Dual Core Berghof controller with softmotion runtime version 3.5.19.30; Two axes with servodrive on canopen bus, clocked distributed from master; Ethercat I/O node; 2 ms ethercat task, 2 ms canopen bus cycle time; I/O objects of the canopen master and canopen drives connected to the ethercat task cycle; Problem 1: Two separate programs each manage their own axis and drive, with separate state machines. A first axis moves primarily in velocity, except having to position itself absolutely at a predetermined point at the end of the job; the second axis, on the other hand, is a paper unwinder that changes, for each job cycle, from actions in absolute, relative, and cam displacement with the master axis. Well, the state machine of both axes was written in such a way as to call running the useful FB and change it on state change in this way: CASE i_stateMachine OF 0: o_Power(Enable := TRUE, bRegulatorOn := FALSE, bDriveStart := FALSE, Axis := o_PaperUnwinderAxis); o_MoveAbs(Execute := FALSE, Axis := o_PaperUnwinderAxis); o_MoveRel(Execute := FALSE, Axis := o_PaperUnwinderAxis); o_CamSelect(Execute := FALSE, Master := o_MachineAxis, Slave := o_PaperUnwinderAxis, CamTable := cam_PaperUnwinder); o_CamIn(Execute := FALSE, Master := MachineEncoder, Slave := o_PaperUnwinderAxis); o_CamOut(Execute := FALSE, Slave := o_PaperUnwinderAxis); o_SetPosition(Execute := FALSE, Axis := o_PaperUnwinderAxis); IF ... THEN i_StateMachine := 10; END_IF; 10: o_Power( Enable := TRUE, bRegulatorOn := TRUE, bDriveStart := TRUE, Axis := o_PaperUnwinderAxis ); IF o_Power.Status THEN i_StateMachine := 20; END_IF; 20: (* Avanzamento carta *) o_MoveAbs( Execute := TRUE, Position := o_Somewhere, Velocity := 25.0, Acceleration := 3666.7, Deceleration := 3666.7, Jerk := 48000.0, Direction := MC_DIRECTION.positive, Axis := o_PaperUnwinderAxis ); IF o_MoveAbs.Done THEN o_MoveAbs(Execute := FALSE, Axis := o_PaperUnwinderAxis); i_StateMachine := 30; END_IF 30: d_HomingPosition := ...; o_SetPosition( Execute := TRUE, Position := d_HomingPosition, Mode := FALSE, Axis := o_PaperUnwinderAxis ); (* ... *) IF o_SetPosition.Done = TRUE THEN o_SetPosition(Execute := FALSE, Axis := o_PaperUnwinderAxis ); o_LogServer.Append(sMessage := '...', lscClass := LOGSERVER_CLASS.ALWAYS, sdt := o_CommonsMgrData.systime.sdtLocal); i_StateMachine := 40; END_IF; 50: ... The code above is a sketchy example of what I wanted to write. But it gives me a spot problem: in some, the state change results in a drive error, which is unrecoverable except with a reinitialization via SM3_ReinitDrive(). Things are improved a little if in the program I always run the call of all softmotion blocks in this way: o_Power(Axis := o_PaperUnwinderAxis); o_Jog(Axis := o_PaperUnwinderAxis); o_Halt(Axis := o_PaperUnwinderAxis); o_MoveAbs(Axis := o_PaperUnwinderAxis); o_MoveRel(Axis := o_PaperUnwinderAxis); o_CamIn(Master := MachineEncoder, Slave := o_PaperUnwinderAxis); o_CamOut(Slave := o_PaperUnwinderAxis); If I don't execute all the calls of all the motion FBs used, when exchanging machine state often (but not always), the axis goes into error with event id THE_FB_WASNT_CALL... Done a little diagnostics it seems that the FBs return the bDone, before they are completely terminated. I tried doing the machine state exchange not with the bDone bit of the FBs, but with the 'standstill' state of the axis. It didn't seem to change anything. Problem 2: During the use SM3_ReinitDrive() I get the erro in the log: "NetID 0: SDO read error for object 16#607C..." Assuming that the device involved it's one of the two servodrive, (no others device are present in the network), I don't found any object 0x607C in the 'possible object list in/out' of the two drive, and I don't understand where this object can be listed. So any ideas and suggestions regarding these two issues will be very, very welcome. If you need the source project, I am willing to send it.
Last updated: 2024-07-17

Post by smeitink on Timeout Error in Modbus Communication with WAGO PFC200 and iEM2050 Meter using 750-652 Module ^{CODESYS Forge} ^talk ^(Post)
Hi all, I'm looking for help with an issue I've come across while trying to facilitate Modbus communication between a WAGO PFC200 PLC using a 750-652 communication module and an iEM2050 Series Single Phase Energy Meter. I believe to have everything wired and setup correcty, but I keep running into a "Error time out" message, and by now I don't really know what else to try. My setup is as follows: A PFC200 Wago PLC, which has 2 750-652 Serial Interfaces extension modules connected to its field bus. I'm using one of these to talk to a Schneider iEM2050 - kWh-meter over modbus. I have connected terminal 23 (A) of the iEM2050 to connector 6 (A) on the 750-652. I have connected terminal 24 (B) of the iEM2050 to connector 2 (B) of the 750-652. I'm using 200mm of twisted together wires to connected them both, and I have placed a 120 ohm resistor between A and B at both ends. I've attached relevant pinout images to this post. I then wrote a simple program that configures the Mobus port, as per the datasheet of the iEM2050. You can find an image of the relavent page attached to this post too. This is my program: PROGRAM PLC_PRG VAR Master: FbMbMasterSerial; xIsConnected: BOOL; xError: BOOL; iIndex: INT := 1; xTrigger: BOOL; utQuery : typMbQuery := ( bUnitId := 1, // The Modbus unit or slave address bFunctionCode := 4, // Function code for reading input registers uiReadAddress := 1829, // adress for the Power on off counter uiReadQuantity := 1 // Quantity of registers to read ); iStep: INT; oStatusModbus: WagoSysErrorBase.FbResult; utResponseModbus: typMbResponse; xConnect: BOOL := FALSE; delayTimer: TON; END_VAR Master( xConnect:= xConnect, I_Port:= _750_652_24_1, udiBaudrate:= 9600, usiDataBits:= 8, eParity:= WagoTypesCom.eTTYParity.Even, eStopBits:= WagoTypesCom.eTTYStopBits.One, eHandshake:= WagoTypesCom.eTTYHandshake.None, ePhysical:= WagoTypesCom.eTTYPhysicalLayer.RS485_HalfDuplex, xIsConnected=> xIsConnected, xError=> xError, oStatus=> oStatusModbus, eFrameType:= WagoAppPlcModbus.eMbFrameType.RTU, tTimeOut:= T#5S, utQuery:= utQuery, xTrigger:= xTrigger, utResponse:= utResponseModbus); delayTimer(IN := TRUE, PT := T#3S); // Use the Q output of the timer to set xConnect after the delay IF delayTimer.Q THEN xConnect := TRUE; END_IF CASE iStep OF 0: //Wacht totdat de master de poort geopend heeft IF xIsConnected THEN iStep := 1; END_IF 1: //Stuur request naar de slave xTrigger := TRUE; iStep := 2; 2: //Wacht totdat de master klaar is met het afhandelen van de request IF NOT xTrigger THEN iStep := 3; END_IF END_CASE The TON delay before opening the port is due to a an error I encountered when opening it straight away. This seems to be a bug, as described here. However, the TON solved that particular issue. I tried reading multiple registers, but like I said, I still always end up with the "Error time out". What else can I test or try at this point?
Last updated: 2024-02-24

Post by scoob on ModbusFB - Slow Response Time ^{CODESYS Forge} ^talk ^(Post)
Hello, I have been trying to use the ModbusFB functions so I can put some code into libraries, but it seems to be very slow for me. I have a Modbus device with 100ms registers. I previously setup 10 channels in the 'traditional' Modbus Slave with channels and mappings - and set a cyclic trigger at 100ms - this worked fine. I then tried the ModbusFB example, and setup reading the same 10 blocks of modbus addresses, copying the example and putting all of the requests into an array and triggering the requests sequentially. I timed how long the requests are taking to get round to each one, and it is around 1s 450ms. How do I speed this up to match the cyclic time? IF NOT(init) THEN init := TRUE; // Set the required IP address: ipAddress[0] := 192; ipAddress[1] := 168; ipAddress[2] := 1; ipAddress[3] := 10; // Pass the required IP address to the clinet FB: client_NetworkSwitch.aIPaddr := ipAddress; client_NetworkSwitch.udiLogOptions := (ModbusFB.LoggingOptions.ClientConnectDisconnect OR ModbusFB.LoggingOptions.ClientReceivedValidReplies); // Try to connect the client client_NetworkSwitch(xConnect:=TRUE); // Configure all the channels to read connecting them to the client: portStatus_Request(rClient := client_NetworkSwitch, uiStartItem := 4096, uiQuantity := 32, pData := ADR(portStatus), udiReplyTimeout := udiReplyTimeout); portSpeed_Request(rClient := client_NetworkSwitch, uiStartItem := 4352, uiQuantity := 32, pData := ADR(portSpeed)); flowControl_Request(rClient := client_NetworkSwitch, uiStartItem := 4608, uiQuantity := 32, pData := ADR(flowControl)); linkUpCounter_Request(rClient := client_NetworkSwitch, uiStartItem := 5888, uiQuantity := 32, pData := ADR(linkUpCounter)); txPacketCounter1_Request(rClient := client_NetworkSwitch, uiStartItem := 8192, uiQuantity := 100, pData := ADR(txPacketCounter1)); txPacketCounter2_Request(rClient := client_NetworkSwitch, uiStartItem := 8292, uiQuantity := 28, pData := ADR(txPacketCounter2)); rxPacketCounter1_Request(rClient := client_NetworkSwitch, uiStartItem := 8448, uiQuantity := 100, pData := ADR(rxPacketCounter1)); rxPacketCounter2_Request(rClient := client_NetworkSwitch, uiStartItem := 8548, uiQuantity := 28, pData := ADR(rxPacketCounter2)); txErrors_Request(rClient := client_NetworkSwitch, uiStartItem := 8704, uiQuantity := 64, pData := ADR(txErrors)); rxErrors_Request(rClient := client_NetworkSwitch, uiStartItem := 8960, uiQuantity := 64, pData := ADR(rxErrors)); // Trigger all client requests initially FOR clientRequestsCnt := 0 TO (SIZEOF(clientRequests)/SIZEOF(clientRequests[0]))-1 DO pClientRequest := clientRequests[clientRequestsCnt]; pClientRequest^.xExecute := TRUE; END_FOR // Prepare sequential trigger / control of client requests. clientRequestsCnt := 0; pClientRequest := clientRequests[clientRequestsCnt]; END_IF // Call the client to do request processing: client_NetworkSwitch(); // Now we trigger client request sequentially ... IF NOT pClientRequest^.xExecute AND NOT pClientRequest^.xDone AND run AND client_NetworkSwitch.xConnected THEN pClientRequest^.xExecute := TRUE; END_IF // .. and check result/error IF pClientRequest^.xExecute AND run AND client_NetworkSwitch.xConnected THEN IF pClientRequest^.xDone THEN // Prepare next trigger of client request (a rising edge of xExecute) pClientRequest^.xExecute := FALSE; IF clientRequestsCnt < SIZEOF(clientRequests)/SIZEOF(clientRequests[0])-1 THEN // next client request clientRequestsCnt := clientRequestsCnt + 1; ELSE clientRequestsIterationCounter := clientRequestsIterationCounter + 1; clientRequestsCnt := 0; END_IF pClientRequest := clientRequests[clientRequestsCnt]; END_IF END_IF I did try a semi-coded way using the IoDrvModbusTCP library, and setting the slave com settings, then 10 commands and 10 requests, then using a TP on xDone as a pause, before triggering another request - this is time the delay is around 120ms - so the device is fine with the speed, just something I am doing wrong in the ModbusFB method I am sure.
Last updated: 2024-04-26

Post by herbasso88 on WebVisu flickering ^{CODESYS Forge} ^talk ^(Post)
Good morning, I'm new on Codesys Forge, so I'm not sure if this is the right place to talk about my problem. When I open my WebVisu pages with Microsoft Edge, or Chrome, the background and also some rectangles blinking without reason!!! The application is developed with Codesys 3.5.17.10 and run on Codesys HMI, same version (3.5.17.10). After several experiments I discover that the problem happens when I made dynamic the "End of area" property of a meter object, but I can't understand why this blinking problem happens. Also, the problem is only at the WebVisu page, the "normal" VISU pages (the ones opened when Codesys HMI start) work always perfectly. Another strange thing is that the problem happens only if on the same page, where there is the meter object, there is also a trend object!?!? Codesys HMI is running on a Virtual Machine (VMware Workstation 15 player, v.15.5.6) running Windows 10 Pro N 64-bit. The blinking problem happen also if I convert the project to Codesys 3.5.20.0. This version of Codesys and Codesys HMI are installed on a Virtual Machine running Windows Server 2019 Standard 64-bit. In attachment the archive of my project. The attached project has only one page, if "Enable Counter" is not pressed the "End of area" variable of the meter is not updated in the software, and everything work well, normal VISU and WebVisu; if "Enable Counter" is pressed, the "End of area" variable of the meter is updated in the software, and the WebVisu page start blinking. I tried also to enable the "Support client animations and overlay..." property at VisualizationManager, this seems stop the blinking problem, but that property also destroy my WebPage, moving almost all the graphical object, that also seem not working anymore. I really need help to understand what I'm doing wrong, I have to develop a bigger project and I have to understand if trend objects and animated meters cannot stay in the same page. In the final project the WebVisu will be very important because the customer will use this way to access the application to monitor the process. Regards
Last updated: 2024-05-06

Post by janber0206 on Gateway doesn't come online, regarding a working internet connection ^{CODESYS Forge} ^talk ^(Post)
Solved EN: The Problem is that the Codesys Edge-Gateways have a License with a runtime of an half year, as long the Gateways are online they will self renew themselfs. In my Case the RevPi was more than a year offline and so the Edge-Gateway was not working anymore. The solution: I accessed a laptop that was directly connected to the RevPi. I installed the Codesys service tool and renewed the certificate manual. DE: Das Propblem ist das die Codesys Edge-Gatways eine Lizenz haben die nur ein halbes Jahr gültig ist. Solange das Gateway eine Internet verbindung hat aktualisiert sich das Zertifikat von alleine. In meinem Fall war das Gateway aber über ein Jahr offline und hat somit nicht mehr funktioniert. Die Lösung: Ich hab auf einen Laptop von Kunden mit TeamViewer zugegriffen, der Laptop wurde mit Kabel direkt mit RevPi verbunden. Codesys Service Tool installiert und dann das Gatewayzertifikat aktualisiert.
Last updated: 2023-10-26

Post by annd on Migration von "CODESYS Control for PFC200 SL" zu WAGO FW26 "CODESYS V3.5.19.2" ^{CODESYS Forge} ^talk ^(Post)
Hallo, da Wago nun von eCockpit zum offenen "CODESYS Development System V3" wechselt, möchte ich meinen bestehenden 750-8212 von der PFC200 SL auf die Wago Firmware umstellen. Welche Schritte sind dabei notwendig? Den Controller würde ich auf die aktuelle FW 26 updaten und die 3.5.19.2 von Wago mit den Descriptions verwenden. Reicht es im Codesys Projektbaum mit "Gerät aktualisieren" auf den Wago Controller zu wechseln? Es wird dann statt dem "Pfc200Bus"ein leerer K-Bus und ein leerer Com-Port angezeigt. Müssen die einzelnen Module dann darunter neu angelegt und alle E/A Variablen manuell neu eingetragen werden? Das exportieren und danach wieder importieren funktioniert nicht, weil die Namen bzw. Adressen unterschiedlich sind. Ist das so richtig? Kann der Block "Modbus_COM_Port - Modbus_Master_COM_Port - Modbus_Slave" so bleiben wie bisher oder muss das auch unter dem neuen COM-Port neu angelegt werden? Für ein paar Hinweise wäre ich dankbar. Schöne Grüße, annD
Last updated: 2023-11-17

Post by user3000 on Can't find an Extended Pulse Timer (TP and LTP) ^{CODESYS Forge} ^talk ^(Post)
Hello, For my program I need an extended pulse timer, which can be referred to as a retriggerable pulse timer. Where every rising edge of the input resets the elapsed time zero, extending the lenght of the output pulse. The Codesys pulse timer (TP) is a one-shot timer and only resets the elapsed time with the falling edge of the input. There is also a pulse timer (LTP) in codesys, but in my simulation it was also functioning as a one-shot even though the description sounds like LTP should be retriggerable. I have uploaded some timing plots from another PLC program for reference. I am looking for a timer equivalent to the "TEP" diagram. Is there an Extended Pulse Timer in Codesys? Maybe there is a way to manipulate the input so it resets the elapsed time outside the function block?
Last updated: 2023-12-06

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