Post by damian177 on MQTT_client disconnect when call MQTT_sunscribe ^{CODESYS Forge talk (Post)}
Probably I have the same problem, When I connect to broker and try subscribe to much topics then the client return error, did you solve your problem ?
Last updated: 2023-10-10

Post by vincentd on Datasource OPC UA Client error ID:7012 ^{CODESYS Forge talk (Post)}
I had some help from Codesys to debug this problem. It seems there was a problem within the target (a bug?). I only used for a proof of concept. Possibly it will work with a new version of the target
Last updated: 2023-11-21

Post by dennisyhli on Ethernet IP Connection timeout ^{CODESYS Forge talk (Post)}
I use ethernet ip scanner and the connection type is set to multicast. After running the PLC, the ethernet IP will have a connection timeout every 10 seconds. What is the reason for this error?
Last updated: 2024-08-16

Post by remoyang on Package manager ^{CODESYS Forge talk (Post)}
When I opened the package manager, it comes up the error as attached. I tried to uninstall and re-install many times it has the same issue
Last updated: 2024-08-16

Post by thomas-moba on TrueType font problem ^{CODESYS Forge talk (Post)}
Hello, I have the problem that CoDeSys 3.5.19.1 displays a message that this font is not a TrueType font when I select our company font. But it is a TrueType font. How can I fix this error? Thanks!
Last updated: 2024-09-12

Post by tobthi on Ethernet/IP ^{CODESYS Forge talk (Post)}
Hello, I have a Cognex camera that I would like to add to my Codesys program. Communication should work via Ethernet/IP. However, I always get the following error message, which is why I can't add the camera.
Last updated: 2024-09-23

Post by pablotorres on Dynamic Setting IP Address from IEC code ^{CODESYS Forge talk (Post)}
Hi! I have a problem, when I write Ethernet.Enable, I get an error ("Enable" undefined). Could you send me the program? I can't solve it, and I don't know if it's because I'm missing a library or some FB...
Last updated: 2024-09-30

Post by dangjoris on raspistepper error after install ^{CODESYS Forge talk (Post)}
Ok with the new Release of SM3RaspiStepper 0.0.0.6 it is fixed. Everything works fine with CODESYS Control for Raspberry Pi SL 4.13.0.0 and CODESYS SDK 3.5.20.20
Last updated: 2024-09-30

Post by prakashkoladiya on CODESYS Gateway is not running ^{CODESYS Forge talk (Post)}
Suddenly CODESYS gateway has been stopped running as below picture so I’m not able to scan network PLC. I also tried to start CODESYS gateway service manually but its giving error as below. Have you faced this kind of problem before ??
Last updated: 2024-10-08

Post by gabor-n on PNIO Connect Parameter Error ^{CODESYS Forge talk (Post)}
Hello, I have the same issue, but with 2 Raspberry Pi3b+ in connection with Profinet. Has it been solved yet? Thank You all! Gabor
Last updated: 2024-10-08

Post by winki on Modbus TCP & RTU with Control for Linux SL ^{CODESYS Forge talk (Post)}
I do not have error anymore using nic with eth0 value. But my network it still 172.17.0.3 like the first picture.
Last updated: 2024-10-23

Post by kewitsch on Compiling Errors with Ethernet/IP Scanner ^{CODESYS Forge talk (Post)}
Hi, I'm trying to implement a Ethernet/IP-Scanner in a blank project using Codesys 3.5.20.30. While compiling I got the following error messages (see attached screenshot) Any ideas or tips to solve this?
Last updated: 2024-11-06

Post by kewitsch on Compiling Errors with Ethernet/IP Scanner ^{CODESYS Forge talk (Post)}
Hi, I'm trying to implement a Ethernet/IP-Scanner in a blank project using Codesys 3.5.20.30. While compiling I got the following error messages (see attached screenshot) Any ideas or tips to solve this?
Last updated: 2024-11-06

Post by andrax on CodeSys Raspberry pi I2C driver not found ^{CODESYS Forge talk (Post)}
Note: if you do not get any values. Check the correct wiring again. The board seems to be running and you have no error.
Last updated: 2024-11-07

Post by tvm on Passing properties as VAR_IN_OUT variables. ^{CODESYS Forge talk (Post)}
Use a VAR_INPUT for properties. The reason for the error is that you can't get a reference to a property. Using a VAR_INPUT will copy the property to an input variable.
Last updated: 2025-03-06

Post by bernardchen on Modbustcp.lib missing codesys v2.3 ^{CODESYS Forge talk (Post)}
a codesys project V2.3.9 opened with error of libuary missing. Modbustcp.lib and Modbustcpsrv.lib where can I download these two libs . I am a beginner of codesys. this codesys v2.3 is running in virtualbox XP system without internet access.
Last updated: 2025-03-12

Post by buczekj on Problem with MCP2515 and library CANbus ^{CODESYS Forge talk (Post)}
Hello, I encountered this same error. I was able to resolve it by allocating more messages when I open the network driver (ctMessages:= 100). By default it is set to 25.
Last updated: 2025-03-27

Post by nonstop-cat on Problem of assigning physical addresses to variables of type ARRAY OF ARRAY as MW and QW ^{CODESYS Forge talk (Post)}
Array writing method error,,,<arrayname>: ARRAY [<ll1>..<ul1>, <ll2>..<ul2>, <ll3>..<ul3>]</ul3></ll3></ul2></ll2></ul1></ll1> OF <basedatatype></basedatatype></arrayname>
Last updated: 2025-03-31

Post by nonstop-cat on Problem of assigning physical addresses to variables of type ARRAY OF ARRAY as MW and QW ^{CODESYS Forge talk (Post)}
Array writing method error,,,<arrayname>: ARRAY [<ll1>..<ul1>, <ll2>..<ul2>, <ll3>..<ul3>]</ul3></ll3></ul2></ll2></ul1></ll1> OF <basedatatype></basedatatype></arrayname>
Last updated: 2025-03-31

Post by timvh on Import from XML problem ^{CODESYS Forge talk (Post)}
It is not an error, but just an information message. You need to select the correct location in your device tree where you want to import the objects. E.g. select Application below your Device.
Last updated: 2025-04-30

Post by l-lll on CODESYS and Win10 - "the version profile is not valid" error ^{CODESYS Forge talk (Post)}
Hello, I also meet this problem, and the same problem occurred even after reinstalling CODESYS. I didn't fully understand your last description. Could you attach pictures for better illustration?
Last updated: 2025-05-13

Post by gabriela-g on Compiler errors not visible ^{CODESYS Forge talk (Post)}
Hi, I have the same situation and I tried the advice from here, but didn't worked:my error messages are still not sowing up in the Messages window. Do you have any idea why?
Last updated: 2025-07-03

Post by blitz on SMC_CNC_INTERNAL_ERROR - SMC_ReadNCFromStream ^{CODESYS Forge talk (Post)}
Hi. Has anyone managed to implement the MDI (Manual Data Input) functionality in CODESYS CNC? I'm using SMC_StringStream2 and SMC_ReadNCFromStream, but I'm getting the error: SMC_CNC_INTERNAL_ERROR. I'd really appreciate any suggestions beyond what's already available online.
Last updated: 2025-07-09

Post by andrej on Signing of Boot Application for Raspberry Pi ^{CODESYS Forge talk (Post)}
Hello all, I tried to encrypt the Boot Application (not just to sign it). I got the same Error message as above. Is an additional licencse necessary to sign the boot application for raspberry pi. Thanks for your confirmation. Kind regards Andreas
Last updated: 2025-08-10

Post by pernockham on Persistence Manager: Config File not found? ^{CODESYS Forge talk (Post)}
Ok, think I understand. The reason for the error is I try to include complex variables (FB) in the persistenced data. I will try to use {attribute 'ac_persist_exclude'} to exclude those elements.
Last updated: 2025-08-22

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