Post by andrej on Creating, using an external Function.
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Hi nano, thanks for your answer, it took me some time but finally it works - the make file provided by the SDK takes care of practically everything :)
Last updated: 2025-07-17
Post by nano on Creating, using an external Function.
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hi Andrej, thx for your feedback. i'm very familiar with creating such components. if you need some further help, just clock on me. greetings Nano
Last updated: 2025-07-23
Post by schweizer on runtime received SIGABRT
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Hallo Danke für die ausführliche Analyse. Wir haben dieselbe Problematik und konnten den Fehler bisher nicht eingrenzen. Seid ihr mit eurer Analyse weitergekommen? Freundliche Grüsse
Last updated: 2025-07-25
Post by rajatdas2005 on Codesys Virtual control SL
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Hi, Thank you for your reply. 1. Codesys IDE version is it showing 3.5 SP 20. please check the attachment. 2. Codesys Virtual control for SL -- version is 4.16
Last updated: 2025-08-07
Post by rajatdas2005 on Codesys Virtual control SL
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Hi, after this when I am trying login I am facing another error. However in the logfile there is no error. Please check the screenshot
Last updated: 2025-08-08
Post by andrej on Signing of Boot Application for Raspberry Pi
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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 ph0010421 on Dynamically enabling/disabling Modbus slave devices in runtime (performance issue with timeouts)
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Hello If you uncheck 'Auto restart Communication', it will try once and never again. You can manually reset the slave if needed : Slave.xReset (or something similar) Or I have a ModbusRTU library if you want to try it.
Last updated: 2025-08-12
Post by franciscocuevas on RaspberryPi 5 gateway problem
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I have the same problem, have you resolve?Are you conected by wifi or ethernet?I was fighting 4 days and I decide to leave.
Last updated: 2025-08-24
Post by gatto on Application-based license Modbus Channels
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Hi Sandro, did you find any solution? I'm in version 3.5.20.40 and i have only one modbus channel. I don't want the problem to happen to me if I do an update one day.
Last updated: 2025-09-01
Post by eschwellinger on CODESYS control on RPi starts, shortly runs, then exits
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in case you are using latest hw revision, there have been added some mac adresses - for the 4.17.0.0 release this might solve it. If not we need to investigate deeper. If it is application related you need to check the plclogger.
Last updated: 2025-09-02
Post by pernockham on AC Persistence - values are not read from file during start?
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For the protocol. What also works is to do the process via ssh (using runtime on linux) sudo /etc/init.d/codesyscontrol stop modify the persistence file values sudo /etc/init.d/codesyscontrol start
Last updated: 2025-09-03
Post by flyingsheep on download project via codesys is slow but tftp/ftp/iperf is fast ??
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CODESYS is running on an embedded RTOS. For testing, I use a local debugging environment where my PC is connected directly to the embedded SoC via an Ethernet cable (no switch or router in between).
Last updated: 2025-09-20
Post by eschwellinger on Licensing info not available.
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add the Container serial number this is usually 130-xxxxxxxx and last row the license ticketnumber which you got from the CODESYS Store order
Last updated: 2025-10-01
Post by eschwellinger on Licensing info not available.
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the procedure is usually 1. install the Licenserver (on the host) with the deploy tool in CODESYS) 2. if you go to the CODESYS WBM you should see an empty Softcontainer 130-xxxxxx 3. activate the license with SoftContainer number and ticketnumber that was it!
Last updated: 2025-10-01
Post by alexgooi on Licensing info not available.
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Dear Tim, This is the missing link for me. I was not aware of the fact that the docker container is claiming the smallest possible license. Now the serial number makes much more sense. Thank you
Last updated: 2025-10-02
Codesys Forge Unit Testing Framework [Announcement of the new CfUnit release: v1.1.0.0 ETA 1st quarter of 2020]
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Codesys Forge Unit Testing Framework [Announcement of the new CfUnit release: v1.1.0.0 ETA 1st quarter of 2020]
Last updated: 2019-06-16
What's the purchasing scope difference from CODESYS between WAGO e!Cockpit, Beckhoff TWINCAT3, and Rexroth PLC Engineering in DevelopR?
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What's the purchasing scope difference from CODESYS between WAGO e!Cockpit, Beckhoff TWINCAT3, and Rexroth PLC Engineering in DevelopR?
Last updated: 2020-12-18
Using CoDeSys on Raspberry Pi to poll ModbusTCP slave data, and uplink by using LoRaWAN ATIM ACW-XB
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Using CoDeSys on Raspberry Pi to poll ModbusTCP slave data, and uplink by using LoRaWAN ATIM ACW-XB
Last updated: 2019-01-08
[Error when Install Codesys for Beaglebone black ver4.0.0] cannot access '/sys/bus/i2c/devices/0-0050/at24-0/nvmem': No such file or directory
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[Error when Install Codesys for Beaglebone black ver4.0.0] cannot access '/sys/bus/i2c/devices/0-0050/at24-0/nvmem': No such file or directory
Last updated: 2021-11-21
Post by eschwellinger on Codesys Control for Raspberry Pi 4.10.0.0 - Raspberry Pi OS > 2023-12-05
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-> which PI? PI5 will be added to 4.11.0.0 version/release -> 2. on Raspberry PI OS lite - there seems to be an additional problem we will try to fix it too... till release.
Last updated: 2023-12-12
Post by ton on How to create a stopwatch?
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Hi, i guess you want to make a hour counter. You need to store the measured value. Try to use a retain variable, but need a graceful shutdown, or save it your self. see https://forge.codesys.com/forge/talk/Runtime/thread/278e325579/ Succes.
Last updated: 2023-12-12
Post by mavitia on Application based license problem - Modbus TCP
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raspberry pi is running ubuntu, so it has the codesys control for linux arm 64 bit, IDE is 3.5.19, both were installed last week from the latest versions online, im currently out of the PC but will upload some evidence ASAP
Last updated: 2023-12-18
Post by spiessli on Raspberry Pi 4 with Legacy Drivers and Codesys 3.5.19 Patch 4
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In fact, specifying to use SM3_Basic library in version 4.14 fixes the issues, choosing 4.16 raises the same issues. (Library Manager > Place Holder > Double click on SM3_Basic > Show all versions)
Last updated: 2023-12-19
Post by giackanto on Eoe issues with Windows and Linux
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Hi eschwellinger, I changed the name to tap2 due to network issues with Debian (I don't know why it changes the tap0 IP every time the program restarts). Anyway, I think the tap name doesn't affect the connection.
Last updated: 2023-12-20
Post by oe2swm on Raspberry pi rt preempt
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Hello, I tried very hard to get Raspberry working with RT PREEMPT Kernel, But still i cannot get it working. Is there someone who can provide a Image for Raspberry 3b or 4(4gb) Thanks a lot!
Last updated: 2023-12-25
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