Post by installwhat on C0077 on one machine but not another ^{CODESYS Forge talk (Post)}
I have a version of codesys 3.5.16 on my local machine and a vm. The local machine has loads of codesys versions and libraries installed etc. I can open the FPosCR_Example_Project_SP16_patch1 project on my vm without any errors. On the local machine I get the error C0077: unknown type IoDrvEthercatLib.ETC_CO_SdoWrite. I can, on the local machine, declare a var of type IoDrvEthercatLib.ETC_CO_SdoWrite and include it in the code without adding an extra error. The problem only seems to affect the library. This is seems more an issue with my codesys set up rather than something with festo. I would like to know the possible causes. I understand most of the library manager features but it's not clear how to find the cause. Thanks
Last updated: 2024-06-11

Post by martinlithlith on Raspberry Pi: List of available drivers / libraries ^{CODESYS Forge talk (Post)}
hi! this sounds awsome! Sorry for a perhaps stupid question; how do i find you're collection?
Last updated: 2024-06-11

Post by andrew-budaiev on Formatting Integer ^{CODESYS Forge talk (Post)}
How can I format integer so it would display 001 instead of 1? Is it possible? I couldn't find it in documentation
Last updated: 2024-06-14

Post by paro on Which Lib to use, connect to a socket with URL instead of IP address ^{CODESYS Forge talk (Post)}
hi, maybe Net Base Services https://forge.codesys.com/prj/codesys-example/nbs/home/Home/
Last updated: 2024-06-17

Post by bruno-roth on Codesys access to DICTIONARY OBJECTS of ethercat (CoE ) Servo Drive ^{CODESYS Forge talk (Post)}
You could use the FBs ETC_CO_SdoWrite and ETC_CO_SdoRead
Last updated: 2024-06-19

Post by mos89p on Codesys Soft PLC OPC UA server ^{CODESYS Forge talk (Post)}
Hi did you check the log of OPCUA expert Client?
Last updated: 2024-06-27

Post by eschwellinger on Two OneWireMaster on one Raspberry PI 5 ^{CODESYS Forge talk (Post)}
hm.. could you add the project or at least parts of it?
Last updated: 2025-10-20

Post by imdatatas on Unrecoverable SoftMotion state after switch to PreOp ^{CODESYS Forge talk (Post)}
Dear @alimans, Additionally, As far as I know since starting from Softmotion V4.18.0.0 automatic restart behaviour for an axis has been changed for this issue. See below explanation from release notes. "With CODESYS SoftMotion 4.18.0.0, the behavior of SoftMotion axes after a loss of communication to the servo drive has changed. Now, an automatic reinitialization is performed as soon as the communication is established again. Before, an explicit call to SMC3_ReinitDrive had to be performed. An example for a loss of communication is that the cable to one of the drives is unplugged." Regards, imdatatas
Last updated: 2025-10-23

Post by adam on Get/Set I/O Address Mapping of DeviceObjects in python Script ^{CODESYS Forge talk (Post)}
Found out.Its script engine bug . Update to script engine version 4.2.0.0. and problem solved
Last updated: 2025-11-17

Post by eschwellinger on Deploy LicenseServer for Linux SL ^{CODESYS Forge talk (Post)}
Hi, just use the deploytool to deploy the Timeprovider on this external device: An set the IP of you SafeControl PLC
Last updated: 2025-11-18

Post by eschwellinger on Soft Container License issue with ARM64 Linux ^{CODESYS Forge talk (Post)}
the softcontainer should be generated on first start of the plc runtime on your system
Last updated: 2025-12-10

Post by timvh on Version management ^{CODESYS Forge talk (Post)}
This depends on what you want to achieve with installing the latest version and how you manage your projects and repositories. Maybe you also want to update your device (right click on it to update) or maybe your device is depending on certain versions of libraries (go to the library manager in your project and download the missing libraries). An option is also to first create a projectarchive of the current project you have before you install a new version of CODESYS. Then you can open this projectarchive in the new CODESYS version. Especially if you install the latest version of CODESYS in a Sandbox.
Last updated: 2025-12-15

Post by gatto on warning C0195 ^{CODESYS Forge talk (Post)}
I answer myself: xyz : ARRAY [1..10] OF BYTE := [10(BYTE#100)] ; // no warning :-)
Last updated: 2025-11-20

Post by eschwellinger on Access to the path *** is denied ^{CODESYS Forge talk (Post)}
will be fixed with an update/patch of the Visu (4.9.1.0) package scheduled for the 17th December - release date
Last updated: 2025-12-11

Post by fless on No source code available for profinet library ^{CODESYS Forge talk (Post)}
looks like you are running in a bug in the newest version 4.4.0 of the profinet library or the new library triggers a bug in your code. did you update your profinet device too? you could try to downgrade to an older version of the library. via library manager - placeholders, double click Profinet 4.4.0 in the library column and choose an older version.
Last updated: 2023-08-23

Post by fefefede on Error C0521 - unknow compiler ^{CODESYS Forge talk (Post)}
Hello, i'm a new user of Codesys and student of ST program for PLC. Since today for a few new projects i have two error code C0521 and i can't solve. I also just try to update device and search library but nothign resolve. How can i fix this? Thanks
Last updated: 2023-09-02

Post by snhatton on Retain memory change to ZERO ^{CODESYS Forge talk (Post)}
I think more information is needed to help solve the issue. Can you list the exact steps to reproduce the issue? What version of Codesys are you using? Did you add a persistentVars object to your project? I would recommend browsing all instances of the retain variable to see all possible writes to the variable in question.
Last updated: 2023-09-18

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 tk096 on Motion FB Error ^{CODESYS Forge talk (Post)}
Hi, Softmotion Robotics does not support tracking in/out to dynamic coordinate systems with relative movements. Is MC_MoveLinearAbsolute an option? See SMC_RELATIVE_MOVEMENT_TRACKING_CS in https://content.helpme-codesys.com/en/libs/SM3_Error/Current/SM3_Error/SMC_ERROR.html Concerning the other error: Do you use any motion function blocks of SM3_Basic to move a single axis of the robot in your application?
Last updated: 2023-10-20

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 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

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 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

Post by tk096 on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
Hi, I suppose that you are referring to the error code "SMC_FB_WASNT_CALLED_DURING_MOTION"? Starting of Softmotion version 4.15.0.0 the instance path of the function block that has not been called is logged into the device log. This might help you to identify why it has not been called.
Last updated: 2024-07-18

Post by timvh on Array to String ^{CODESYS Forge talk (Post)}
The new (UTF8) string library is faster and can handle large strings. https://content.helpme-codesys.com/en/CODESYS%20String%20Libraries/_strlib_start_page.html PS, in CODESYS, the maximum string length is not 255 characters. The String functions of the standard library are limited to strings of 255 characters. But you can use other (memory) functions to handle strings larger than 255 characters.
Last updated: 2024-07-22

Post by dantheman on Connecting to SoftPLC Only Works By Turning Off Modbus Ethernet Port ^{CODESYS Forge talk (Post)}
I've also noticed that when I turn off "enp1s0", suddenly the source IP for the ModbusTCP changes to that of "enp2s0", which is what makes sense to me. When I turn it back on, the source IP remains that of "enp2s0".
Last updated: 2024-08-01

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