Post by martinlithlith on Mux I2C ^{CODESYS Forge talk (Post)}
Hi! I´ll try to get this thread going again as i´m having simliar problems. Right now i get a red triangle on my connected devices (i´m testing with a BME280 sensor and a PCA9685 resvo driver). The TCA9548 have the green symbol beside it. On the "red" devices i get that the bus is not running. I have tried to either run it using the parent bus cycle setting or creating a new freewheeling task prio 1 but nothing helps. I have compared my settings to the settings from the example from the MUX package and i have read (i think) every thread in forge that could be of interest. EDIT: The ic2detect only shows the mux (70-70) and the servo drive (70-76) so i´ll look in to if i managed to burn the 280-sensor while soldering). Another question regarding the 280 sensor. I have a sensor GY-BM E/P 280 that should record humidity and temperatur. Could this be a problem with the library? Does anyone have an idea of what i might be doing wrong? I have some experience from Codesys but not much so this could be an easy one. All suggestions are welcome. I tried to upload the project archive but it did not work. Should i upload the export or how could i show you my horrible project? Best, Martin
Last updated: 2023-10-22

Post by sanacfu on looking for v2.3 libraries on v3.5.19 ^{CODESYS Forge talk (Post)}
Hi all, I'm new to Codesys and Wago but well versed in Rockwell. I've been tasked with upgrading old Wago 750-880 PLCs that run Codesys v2.3. All I was giving is the original PLC program in v2.3 and the currently running machine. I've spec out to what I believe is a suitable upgrade, the PFC100 2ndGen, 750-8111. As I'm rewriting this code on the Codesys I can't find the same library functions blocks for ethernet settings PLC functions. Currently I'm working on code to get/set the PLC ethernet IP address and HMI IP addresses from the HMI screen. One other function I'm looking for is a warm reset function to the PLC. When googling for this stuff I see a lot of code not in ladder logic. Are these functions now not available to implement in ladder logic? Where can I get more information on finding and implementing this functions? Do I have to buy a license from Codesys to use these functions? The PLC I ordered should be arriving in 2-3 weeks.
Last updated: 2024-03-25

Post by rabaggett on Reading Named Pipes in Linux Is there a better way? ^{CODESYS Forge talk (Post)}
I have a Python program that will handle things in my application such as VISA over IP and Telnet control of instruments. I want the main control and HMI in Codesys. My problem is communication between the two. I have looked at several ways to accomplish this, and settled on having the Python program create two named pipes, one to send information to Codesys, and one for Codesys to send information to Python. The information would be packetized with \n for end of packet.. Seems simple. I think the named pipes method should work, but file reading in Codesys using the CAA file library starts to get difficult when the file is never ending, as in this case. Before I spend too much time making something that may be fundamentally flawed I want to ask. Is there a better way? Is there a way to read the file 'one line at a time' which might solve my never ending file problem? Thanks!
Last updated: 2024-05-09

Post by lukasz on Unresolved reference when trying to upload to Codesys Runtime V3 ^{CODESYS Forge talk (Post)}
Hello! I'm working with Codesys SP21 Patch 4. The project builds without any errors. When trying to upload my project to Codesys Runtime V3 x64 I get a lot of Unresolved Reference errors, all with FU- at the start and then -CLOSELAYER2, -GETBUSINFO, -GETFRAME etc. I also get a error pop-up that I should 'update device' in the project but it's not specified to which version or anything useful really.There's also not much to choose from. When I check Runtime version in the systray I get 3.5.21.40 and it's the same as I have set up in the project as the device. All information I get is that it should be clear from the errors but no useful information is provided in the errors. Do I need to install some library? I checked other posts and for different reference error and this was the answer. Thanks in advance!
Last updated: 2026-03-25

Post by gseidel on AXIS_REF_SM3 Error Codes? ^{CODESYS Forge talk (Post)}
Hi SLUCodesys, dwErrorId is a drive specific error number. The drive documentation should be consulted to interpret it. (Note that you should use MC_ReadAxisError to read this error, see https://content.helpme-codesys.com/en/libs/SM3_Basic/Current/SM3_Basic/POUs/Diagnostics/MC_ReadAxisError.html. Accessing the internal variable will result in outdated values if the acis error is not mapped by PDO and is not recommended in general.) uiDriveInterfaceError holds errors of the SoftMotion driver for the drive. It is also an internal variable, not intended for direct access. It is intended for logging, the PLC log will contain the drive interface error, consisting of this number and an error text. My recommendation for handling axis errors in the CODESYS application: 1) Use MC_ReadStatus on the axis to find out whether it is in state Errorstop 2) If in Errorstop, there are two possibilities: an error reported by the drive (MC_ReadAxisError) or an error of the SoftMotion function blocks (output MC_ReadStatus.FBErrorOccured). 3) If there is no drive error, you can use SMC_ReadFBError https://content.helpme-codesys.com/en/libs/SM3_Basic/Current/SM3_Basic/POUs/Diagnostics/FBError/SMC_ReadFBError.html Best regards, Georg
Last updated: 2025-09-24

Post by cmj-icsys on Custom configure tab in device editor ^{CODESYS Forge talk (Post)}
Hi everyone, I’m developing a custom CODESYS I/O driver for my company’s device, and I’ve been studying the example projects in CODESYS V3.5 SP20 Patch 5. In the IOMappingExample.project, I noticed that EtherCAT devices provide additional configuration tabs in the Device Editor, such as General, Process Data, etc. However, for custom I/O driver examples (based on IoDrv), the Device Editor only shows the default tabs like <devicename> I/O Mapping or <devicename> Parameters.</devicename></devicename> I’d like to create custom tabs or configuration pages in the Device Editor (e.g., “General Settings”, “Communication”, etc.) to allow users to configure parameters in a more structured way. Could anyone explain: How to define and register custom tabs or UI pages in the Device Editor? What tools or SDKs are needed to create UI elements such as combo boxes or check boxes? How to bind those UI controls to device parameters defined in the XML (device description)? Any example, SDK reference, or documentation link would be really helpful. Thanks in advance!
Last updated: 2025-10-20

Post by nickpoon on SysProcessCreate stopped working after SP21? ^{CODESYS Forge talk (Post)}
I'm going through the process of updating the CODESYS Project a machine to 3.5 SP21 (old version was 3.5 SP20). One function that stopped working when upgrading was SysProcessCreate. I need to run a .exe file that is located in C:\Program Files\MQTTStream. Some initial searching suggested that there are new security rules that prevent the SoftPLC from reading/writing files to outside of its Device folder (located here - C:\Windows\System32\config\systemprofile\AppData\Roaming\CODESYS\CODESYSControlWinV3x64\24FD6770) Relocating files helped fix my JSON file reader/writer functions (which were failing previously), but not the case for SysProcessCreate. I've even attempted to just run window's cmd.exe and with: pszCommandLine = 'cd /d C:\Windows\System32\config\systemprofile\AppData\Roaming\CODESYS\CODESYSControlWinV3x64\24FD6770\PlcLogic\MQTTStream & sift-proxy.exe --grpc_uri="https://grpc-api.siftstack.com" --api_key="xxxxxxxxxxxxxxxxxxx" mqtt-client --broker_ip=10.0.10.101 --broker_port=1883 --config_file="mqtt_telemetry_config.json" --username Plantd --password 1234 --stream_metrics --storage_path="sift-proxy-logs"' I have not been able to find a lot of documentation on this, and I suspect the new update may have created a bug for SysProcessCreate. Any help would be greatly appreciated
Last updated: 2026-02-02

Device User Logon and No device is responding.. Pi4b codesys 3.5 SP19 2 + (64-bit) ^{CODESYS Forge talk (Thread)}
Device User Logon and No device is responding.. Pi4b codesys 3.5 SP19 2 + (64-bit)
Last updated: 2023-09-11

When Keyboard Key is in Hold, then Webvisu is extreme slow and latent ^{CODESYS Forge talk (Thread)}
When Keyboard Key is in Hold, then Webvisu is extreme slow and latent
Last updated: 2023-09-20

Communication issue between Raspberry pi and HMI - info about connection resources ^{CODESYS Forge talk (Thread)}
Communication issue between Raspberry pi and HMI - info about connection resources
Last updated: 2022-09-30

Establishing communication between a Raspberry Pi 4 and an Arduino UNO R3 using I²C. ^{CODESYS Forge talk (Thread)}
Establishing communication between a Raspberry Pi 4 and an Arduino UNO R3 using I²C.
Last updated: 2023-12-03

Cannot Save CSV File on Windows Computer Using CODESYS and Control Win ^{CODESYS Forge talk (Thread)}
Cannot Save CSV File on Windows Computer Using CODESYS and Control Win
Last updated: 2024-07-04

Global variable access by Programms and Modbus Devices (attach device to bus) ^{CODESYS Forge talk (Thread)}
Global variable access by Programms and Modbus Devices (attach device to bus)
Last updated: 2024-07-18

Timeout Error in Modbus Communication with WAGO PFC200 and iEM2050 Meter using 750-652 Module ^{CODESYS Forge talk (Thread)}
Timeout Error in Modbus Communication with WAGO PFC200 and iEM2050 Meter using 750-652 Module
Last updated: 2024-07-30

MultiTouch : Two fingers pinch to Z00M in/out and rotation gesture. ^{CODESYS Forge talk (Thread)}
MultiTouch : Two fingers pinch to Z00M in/out and rotation gesture.
Last updated: 2024-08-02

Test Driver Availability in CODESYS 64-bit and Test Manager 5.1.0.0 ^{CODESYS Forge talk (Thread)}
Test Driver Availability in CODESYS 64-bit and Test Manager 5.1.0.0
Last updated: 2024-08-06

Test Driver Availability in CODESYS 64-bit and Test Manager 5.1.0.0 ^{CODESYS Forge talk (Thread)}
Test Driver Availability in CODESYS 64-bit and Test Manager 5.1.0.0
Last updated: 2024-08-06

OPTO22 Groov Epic PR2 Modbus Comms Dropping out every 2 hours and 4 Mins ^{CODESYS Forge talk (Thread)}
OPTO22 Groov Epic PR2 Modbus Comms Dropping out every 2 hours and 4 Mins
Last updated: 2024-09-11

How can I reach my candump and cansend through CODESYS? Tried making it work with CANopen ^{CODESYS Forge talk (Thread)}
How can I reach my candump and cansend through CODESYS? Tried making it work with CANopen
Last updated: 2024-09-14

Start Codesys project and then execute python script from command line ^{CODESYS Forge talk (Thread)}
Start Codesys project and then execute python script from command line
Last updated: 2024-09-30

Connection between Beijer PLC and Schneider Tesys-Island using Modbus TCP ^{CODESYS Forge talk (Thread)}
Connection between Beijer PLC and Schneider Tesys-Island using Modbus TCP
Last updated: 2024-10-08

Temu Coupon Code North Carolina {USA} ⤠ ["^act900074^"] for New and Existing Customers ^{CODESYS Forge talk (Thread)}
Temu Coupon Code North Carolina {USA} ⤠ ["^act900074^"] for New and Existing Customers
Last updated: 2024-10-25

Temu Coupon Code Missouri {USA} ➵ ["^acq615756^"] for New and Existing Customers ^{CODESYS Forge talk (Thread)}
Temu Coupon Code Missouri {USA} ➵ ["^acq615756^"] for New and Existing Customers
Last updated: 2024-10-25

Temu Coupon Code Florida {USA} ↪ ["^acq717533^"] for New and Existing Customers ^{CODESYS Forge talk (Thread)}
Temu Coupon Code Florida {USA} ↪ ["^acq717533^"] for New and Existing Customers
Last updated: 2024-10-25

Temu Coupon Code Kentucky {USA} ➤ ["^acs597987^"] for New and Existing Customers ^{CODESYS Forge talk (Thread)}
Temu Coupon Code Kentucky {USA} ➤ ["^acs597987^"] for New and Existing Customers
Last updated: 2024-10-25

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