Post by ben1 on How to write multiple coils (Modbus FC15)
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Yeah that is odd - sometimes you have to do what you have to do unfortunately. Have you tried sending consecutive bits in the word instead - ie. instead of [0].0. [1].0, [2].0 etc, send [0].0,[0].1, [0].2 etc. ?
Last updated: 2024-11-17
Post by gatto on library ModbusTCP Slave 4.1.0.0 - function block ModbusServer
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Hi, again after spending a lot of time finding more information with no results, by chance I changed the device ID from 1 to 255 and the transmission works. Unfortunately the documentation is very very poor.
Last updated: 2024-11-28
Post by totorovic on Project loses 'Download time' information
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Hello, Codesys team, please can I have an explanation? It's frustrating and complicated on production machines to have to reload the entire program even though it's identical, just because of this missing information. How the information 'Download time' is saved?
Last updated: 2024-12-11
Post by gseidel on Beckhoff EL7037 softmotion
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Hi Stefan, we will update our driver to support the EL7037 in our next release of SoftMotion. In case you are interested to test a pre-release, please contact our support and mention this forum post. Best regards, Georg
Last updated: 2024-12-23
Post by eschwellinger on FAILURE TO OPEN PROJECT ON ANOTHER COMPUTER
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I would just use projectachives instead of using projects if you work with different pc's then all project related libs and devices are included.
Last updated: 2025-01-20
Post by trusty-squire on STRING conversions to DWORD
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I don't fully understand the issue, but if the encoding is a problem you can try testing with WSTRING datatype instead of STRING. https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_datatype_wstring.html
Last updated: 2025-01-30
Post by runtimevictor on virtual plc vPLC configure nics
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Hello, When I add 2 nics in vPLC this happens to me..., why is it? If I just put one of the two NICs, the vPLC runtime instance starts running correctly...
Last updated: 2025-02-02
Post by timvh on "Do you really want to perform" dialog boxes
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Double click on the device (communication settings). At the top of this Window, go to Device -Options. Disable the option "Confirmed online mode".
Last updated: 2025-02-15
Post by eschwellinger on Virtual Control SL Profinet connection
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means not licensed demo mode.. use the Licenserver on the host and apply a license and add the Ip of the license server then it will be green.
Last updated: 2025-02-28
Post by fabiodasilveira on PLC Shell commands via ST Code
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Thank you, Bingo. Your idea of adding the change to the start up process works. However, I am still intrigued with the fact that SysSockSetIPAddress(strEthernetPort:= '0', strIPAddress:= '192.168.2.12') is different from PLC Shell (setipaddr 0 192.168.2.12).:-(
Last updated: 2025-03-04
Post by liai on an not create Symbol Configuration in Codesys V3.5 SP20 Patch 4
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Just can not create Symbol Configuration in Codesys V3.5 SP20 Patch 4.Showed in the picture. The same PLC works well in SP19. If it lack of some setting in SP20 ?Thanks a lot.
Last updated: 2025-03-08
Post by julian123 on CodeSysControlWinV3x64
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Hello mos89p, I had the same problem. There is a lot of threads about this, but not one up to date. Your solution worked and I was finally able to use my software again. Thank you!
Last updated: 2025-03-12
Post by xlfll on How to use libdoc to implement libraries in multiple languages
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po file to generate translation file mo, how to mo file into lmd file into the compilation library? This is not clearly described in the codesys help. Does anyone know? codesys help:https://content.helpme-codesys.com/en/LibDevSummary/localization.html#deployment-of-translated-documents
Last updated: 2025-03-13
Post by timvh on SysProcessCreate2 on Linux runtime
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Maybe it is better to use the functionality of the Extension Package: https://content.helpme-codesys.com/en/CODESYS%20Control/_rtsl_extension.html https://content.helpme-codesys.com/en/CODESYS%20Examples/_ex_extension_package.html
Last updated: 2025-03-17
Post by vnlgomez5 on Toolbox missing item
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Wow, spent a lot of time trying to figure out what my problem was, I was seeing the same limited Toolbox. Thank you so much.
Last updated: 2025-03-25
Post by altus22 on Type SM3_Drive is not equal to type SM3_Drive
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Another way to resolve this is to set Codesys to use a specific version of the offending library under Placeholders in the Library Manager.
Last updated: 2025-04-17
Post by avenue68 on REFERENCE TO in an array
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That's because the array only contains structures themselves, not references. It doesn't matter that what consists of each struectures unless they are not pointers.
Last updated: 2025-05-21
Post by mariacugnier on Modbus TCP/IP having problems with global variables
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Are these variables already declared in the IO list? It looks like it's trying to create new variables instead of mapping them to the existing ones.
Last updated: 2025-05-22
Post by mariacugnier on Reading Devices ComState
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Does anyone know how to access the ModbusTCPSlave_Diag.ComState without declaring each one by the device name? I attached them to an array but since I may have dozens of devices this is still a bad solution.
Last updated: 2025-05-22
Post by mariacugnier on Reading Devices ComState
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Does anyone know how to access the ModbusTCPSlave_Diag.ComState without declaring each one by the device name? I attached them to an array but since I may have dozens of devices this is still a bad solution.
Last updated: 2025-05-22
Post by josul on Web Client HTTPS Communication Issue
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Web Client Library Documentation Company: 3S - Smart Software Solutions GmbH Title: Web Client Version: 1.0.1.7 Categories: Application|Utils Namespace: WEB_CLIENT Author: 3S - Smart Software Solutions GmbH Placeholder: WebClient I encountered an issue using this library above. Note it is now part of Codesys IIoT Libraries SL in the form of Web Client SL, but I am not using this version. I was sending Content-Type: application/json, HTTP POST using a HTTPS URL. No issue observed initially, successful operation. At some point operation stopped and the codesyscontrol.log file started to accumulate errors: ERROR: TlsCreateContext2: Failed to save context. An application reset failed to resume operation and I was unable observe any TCP connection forming to a destination port 443. The error appeared as a TCP_INIT error. I can find no details as to what may have happened or why a reset of the PLC application did not resume operation. Testing with a curl operation proved to be successful, so I am confident there was no fundamental networking issue preventing a TCP connection forming. The solution was to reboot the hardware itself, but this is not satisfactory in the long term. Is there any description of the TLS error I received? Is there any suggestion here that there might be an issue with certificates? Any advice or information is appreciated.
Last updated: 2025-06-05
Post by onstage on Update Raspberry Pi option is missing under Tools menu
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The logger at the bottom of the deprecated RPi tool was quite useful, where can it be found now?
Last updated: 2025-06-11
Post by matthewkim on Codesys Gateway not running
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In my case, I used a different version of gateway. ex)3.5.18.5 sysTray gateway start did not work, so I terminated it and made it work with 3.5.18.3 in "codesys installer" "Settings" and was able to connect to the PLC.
Last updated: 2025-06-12
Post by matthewkim on Codesys Gateway not running
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In my case, I used a different version of gateway. ex)3.5.18.5 sysTray gateway start did not work, so I terminated it and made it work with 3.5.18.3 in "codesys installer" "Settings" and was able to connect to the PLC.
Last updated: 2025-06-12
Post by matthewkim on Codesys Gateway not running
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In my case, I used a different version of gateway. ex)3.5.18.5 sysTray gateway start did not work, so I terminated it and made it work with 3.5.18.3 in "codesys installer" "Settings" and was able to connect to the PLC.
Last updated: 2025-06-12
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