Post by winki on Error in licence activation
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Hello, Despite receiving an activation message after entering the license number, I don’t have any license installed on my gateway. I went to check in /var/opt/codesys/ and there is no License file. I searched the entire gateway for a .lic file and found no license. I’m really stuck—how can I fix this, please? When I am using the licence tools I got this picture: But nothing that have been activated. Loic,
Last updated: 2026-02-03
Post by reinier-geers on Web client
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Hi, ive got the webclient example. So now i want to use it. Ive got an example. but thats some JSON type. As far i know is JSONe som kind of structure. But thats new for me. I think its posible with get. Can someone help me? This is the link witch explains what to do https://reversed.notion.site/Marktprijzen-API-89ce600a88ac4abe8c2ad89d3167a83e i tried this : sURL : STRING(1024) := 'https://graphql.frankenergie.nl/get/ {"query":"query MarketPrices {\n marketPrices(date:\"2022-01-01\") {\n electricityPrices {\n from\n till\n marketPrice\n marketPriceTax\n sourcingMarkupPrice\n energyTaxPrice\n perUnit\n }\n gasPrices {\n from\n till\n marketPrice\n marketPriceTax\n sourcingMarkupPrice\n energyTaxPrice\n perUnit\n }\n }\n}\n"}'; // URL But thats a bad request
Last updated: 2025-10-08
Post by reinier-geers on wEBCLIENT Post data api
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Ive got the webclient axample. If i put https://reversed.notion.site/Marktprijzen-API-89ce600a88ac4abe8c2ad89d3167a83e example to https://reqbin.com/post-online then i get data. If i do the same in Webclient example i get " not a valid graphql request. Why ? sUrl := 'https://graphql.frankenergie.nl/' Request_type_post Contenttype = 1 (json ) Postvalue := '{"query":{"query":"query MarketPrices {\n marketPrices(date:\"2025-12-25\") {\n electricityPrices {\n from\n till\n marketPrice\n marketPriceTax\n sourcingMarkupPrice\n energyTaxPrice\n perUnit\n }\n gasPrices {\n from\n till\n marketPrice\n marketPriceTax\n sourcingMarkupPrice\n energyTaxPrice\n perUnit\n }\n }\n}' I tranfer the postvalue from String to WSTRING
Last updated: 2025-12-25
Post by transmin01 on Correct CAN Driver for EL6751
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Hi, does anyone know what is the correct driver name that needs to go into the CodesysControl.cfg file for a Beckhoff EL6751? TIA Trevor.
Last updated: 2023-09-19
Post by sivakov on Change the default ssh port
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Of course there is! =) just edit file/etc/ssh/sshd_config and restart ssh service. but you'll lose the possibility of runtime management through "update Linux", so there enother question - how to change default port in codesys it-self?
Last updated: 2023-10-11
Post by baldeep on Codesys Raspberry Runtime 4.10.0.0 and RSM Utility 3.5.19.0
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I had been using Codesys Raspberry 4.9.0.0 Runtime for a Project with CAA File 3.5.19.0. But now with Update 4.10.0.0 and Raspberry pi 64 Bit.....i cannot compile my code as RSM Utility 3.5.19.0 is not recognised. Any help? Regards
Last updated: 2023-11-20
Post by shabroz-gill on Unable to load boot application on ARMv7 device restart
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The boot application already exists on the device, i can see the MPC.app file in the proper place. It is not able to load it on startup though
Last updated: 2023-12-01
Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS
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Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and whatr to add?
Last updated: 2024-07-05
Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS
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Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and what to add?
Last updated: 2024-07-05
Post by psychoengineer on Trouble Writing Files to External Paths in CODESYS
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Hi! Do you know how to properly configure SysFile for COdesys Control Win64? Where is it that file on the PC disk and what to add?
Last updated: 2024-07-05
Post by installwhat on What is the solution for "Application stopped on recovery switch request"?
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Well still similar questions remain. I don't know of "CmpRecoverySwitch" and the only thing google has to offer is your xml file. I think you'd need to provide a lot more info before anyone makes much effort here.
Last updated: 2024-07-09
Post by eschwellinger on SysFileOpenAsync
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should work, but meanwhile due security reason only readings allowed in /var/opt/codesys/PlcLogic directory /dev/input/event1 need then to be added in config file
Last updated: 2024-07-16
Post by jmfernandes on OpenDir always in error
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Well I created a user as Admin, gave access rigths to the file but still can't read the files in the plc it gives the same error. I guess is something to do with plc itself.
Last updated: 2024-08-01
Post by pavanifm on Test a manager script (.tsd file{xml document}) not starting from Git CI heedlessly/ without ui
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https://stackoverflow.com/questions/72243184/gitlab-runner-to-open-gui-on-windows-shell-runner Here we guess we got solution
Last updated: 2024-08-08
Post by dantheman on Connecting to SoftPLC Only Works By Turning Off Modbus Ethernet Port
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It's all good btw, learned that the runtime doesn't isolate the networks that are involved so changing the ethernet subnets away from the Wi-Fi's subnet was all I needed (maybe some config file changes helped, can't say for certain)
Last updated: 2024-08-08
Post by rmaas on CSV file and string manipulation.
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the $N stands for newline and $R stands for line break. maybe these combinations are considered as 1 character/position? Not sure, just a thought... see also: https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_operands_constant_string.html#:~:text=A%20string%20constant%20is%20a,belong%20to%20this%20character%20set.
Last updated: 2024-09-27
Post by totorovic on Hard shutdown: no code on device after power on
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Hi, Runtime goes in exception before the shutdown ? Do you have a .err file which is created ? (located in the folder of the .app and .crc)
Last updated: 2024-10-03
Post by ph0010421 on MQTT library
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Hello I'm using the MQTT_Client_SL library. Very good so far. One of the inputs to the MQTTClient FB is hCert (RTS_IEC_HANDLE). Which function do I need to use to get this? Or do I add a FILE library? thanks
Last updated: 2024-10-08
Post by pernockham on Persistence Manager: Config File not found?
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Also. Every third (or so) attempt to login/compile is unsuccessful with the error prompt "one or more errors occurred", however there is no information available on what this error might be. If I remove the PersistenceManager-module, these problems are not present.
Last updated: 2024-11-01
Post by ton on Beckhoff EK series cannot detect but BK1120 detect
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Hi, I guess you don't have the right xml file. Download Beckhoff_EtherCAT_BKxxx_MDP.zip from https://download.beckhoff.com/download/configuration-files/io/ethercat/xml-device-description and install these in Device Repository.
Last updated: 2024-11-01
Post by eschwellinger on CodesysHMI.exe: Start Error
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Any changes on this device? Seems that you are missing the patch protection container. Copy this file to your device and execute it "c:\Program Files\CODESYS 3.5.20.30\Temp\Patch_Protection_Only_License.WibuCmRaU"
Last updated: 2024-11-01
Post by eschwellinger on Persistence Manager: Config File not found?
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..strange just switching of this device without graceful Linux OS shutdown? Reset orgin on the device tree and a new download of the application will bring it up and running again but sure then the persistent data are for sure lost.
Last updated: 2024-11-02
Post by navan on File access operation denied
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Codesys V3.5.20.10 having issue open windows folder. Willing to know the [Sysfile] location in windows for V3.5.20.10 (32 bit) installation. kindly hep on this.
Last updated: 2024-11-05
Post by ralfki on XMLWriteAsync
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Hello, I tried to write a XML file with XMLWriteAsync. Unfortunately after every Element it adds two CR and one LF. Is it possible to have only one CR and LF. Thanks for the support
Last updated: 2024-11-20
Post by bingo on PLC Shell commands via ST Code
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For a permanent change, you may need to update the PLC configuration file or set the IP at startup using retained variables.
Last updated: 2025-03-02
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