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FAQ - Frequently asked Questions about CODESYS
FORUM LATEST POST # TOPICS
Engineering πŸ‡¬πŸ‡§

Discussions about the CODESYS Development System, IEC programming, CODESYS Professional Developer Edition

Alarm Configuration Notification Action
by yannick
5 minutes ago
5067
Runtime πŸ‡¬πŸ‡§

Related questions to SoftPLCs e.g. Raspberry Pi, Beaglebone, IoT2000 and other platforms

Ethercat bus on Beckhoff CX with Codesys for Linux
by walkercope
39 minutes ago
2108
Visualization πŸ‡¬πŸ‡§

Realizing operator screens with CODESYS HMI, Targetvisu, Webvisu

Change the Opening Position of the Dialog using VU.FbOpenDialog
by TimvH
4 days ago
889
Motion πŸ‡¬πŸ‡§

Realizing single or multi axis motion control, CAM, CNC and Robotic applications

Softmotion not working with simulation mode
by totorovic
5 hours ago
439
Codesys V2.3 πŸ‡¬πŸ‡§

Forum about V2.3

No gateway with the given settings could be found
by pasillalej
4 days ago
2158
Deutsch πŸ‡©πŸ‡ͺ

German forum

AG Abzug bei Codesys 3
by koehler
5 days ago
4440
Automation Server πŸ‡¬πŸ‡§

The Industry 4.0 administration platform for users and operators of CODESYS compatible controllers

File transfer via visu and codesys automation server
by eschwellinger
2024-03-11
30
Forge πŸ‡¬πŸ‡§

Discussions about CODESYS Forge projects and features of the CODESYS Forge website

Could not be resolved - Library error
by ademarvribeiro
2024-04-29
172

Recent Activities

    CODESYS Forge

  • yannick posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    Hello, I'm trying to configure an alarm variable that changes to True when an error is activated. Unfortunately, the variable is not changing to True. I'm using Codesys V3.5 SP19 Patch7 + Raspi Pi 5. Thanks.

  • walkercope posted a comment on discussion Runtime πŸ‡¬πŸ‡§

    Has anyone figured out a way to use the ethercat bus on a beckhoff CX using codesys running on linux? Using ethercat on the native NICs works fine but I get a "packet could not be sent" error when trying to scan the ethercat bus device. Errors and hardware in attached image.

  • kuegerls posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    Hello, I want to read a CSV file using the CSV Utility SL library, but I encounter an 'invalid_handle' error during initialization. What could be the cause? For my test program see the screenshot. I have purchased a license, and it is also installed on my PLC. Thank you in advance. Best regards, Stefan.

  • rajesh008 posted a comment on discussion Runtime πŸ‡¬πŸ‡§

    The β€œ_AB AT %IW0:word; ” if i called the value then im getting this error. like below "the declartion of the variable with an address assignment cannot be used in a PRG or GVL with the attribute 'subsequent'" This is happening when the GVL is selected in Redundancy Configuration. if i un-select the address declaration is working fine

  • wildcard posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    Hi, does anyone has a solution for this issue. I've the same problem. I've implemented a very simple client based on the Modbus Examples and connected the soft PLC to a Modbus Simulator. PROGRAM ModbusClient VAR initDone : BOOL := FALSE; errorID : ModbusFB.Error; client : ModbusFB.ClientTCP; timeout : UDINT := 500000; replyTimeout : UDINT := 200000; aUINT : ARRAY [0..8] OF UINT; clientRequestReadHoldingRegisters : ModbusFB.ClientRequestReadHoldingRegisters; clientRequestsCnt : UINT := 0; clientRequestsProcessCnt...

  • totorovic posted a comment on discussion Motion πŸ‡¬πŸ‡§

    Good morning, I think that the mode Simulation does not support the Softmotion functionnality because it runs the CODESYS process with normal priority wich is not a good thing for real-time behavior. If you want to test your PLC project, please use a Codesys Control Softmotion (and your computer must have the Ethercat driver installed) or much easier, download your code into the C6 Smart. BR

  • dalfaro21 posted a comment on discussion Motion πŸ‡¬πŸ‡§

    I have a KEB combivis studio software running codesys and I want to make some moves but softmotion is not working on my laptop I hope you can help me!

  • corriibme posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    I have been trying to set an array value to a JSON structure of this form: {"key": [1,2,3,4]} While I have been able to create the key and set its value to an empty array, I've not had any luck in putting any value in that array. objindex:= fb_JBuilder.SetKeyWithArray("Key6", diParentIndex := diRootIndex); objindex2:= fb_JBuilder.SetValue(value:= iValue2, diParentIndex:= objindex); iValue2: ARRAY[0..3] OF INT:= [1,2,3,4]; The two lines of code above produce {"key6": []} . The second line essentially...

  • k2saki posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    I'd like to use same code/project in different devices. (RPi, PLC) I change some lines in some POU before compiling. (array size, file path, etc ) My question is How to define pragma that effects all ST-POU in project. Is it possible ? I've read this. https://help.codesys.com/api-content/2/codesys/3.5.12.0/en/_cds_pragma_conditional/

  • ioannis-a posted a comment on discussion Engineering πŸ‡¬πŸ‡§

    I have the same issue. Is there any solution?