Post by bertcom on STRING conversions to DWORD
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@trusty-suire, The problem is not encoding. The problem is that codesys ands ' ' to the string. And the printer can't handle these character.
Last updated: 2025-01-30
Post by pedegani on "Do you really want to perform" dialog boxes
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I have the same annoying problem. The confirmation prompt for every single action appeared recently after an update from CODESYS 3.5 SP20 Patch 3 to Patch4, but I don't think it's due to this. Having to confirm every operation while debugging an application is a considerable waste of time and does not help at all to concentrate on development, not to mention that many times you miss the long-awaited event because you are busy looking for the 'yes' button to resume debugging or force a variable. Does anyone know how to disable the confirmation messages?
Last updated: 2025-02-14
Post by george32 on TCP Server
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Dear people, I would like to create a TCP server in my PLC program. The TCP server needs to communicate with an external device. I have been searching the internet and found that the libraries Syssocket or CAA NetBaseSrv are two possible solutions to create a TCP server. From what I have read, CAA NetBaseSrv is more user-friendly to implement than the Syssocket variant. However, I am still struggling to actually implement this library. Foremost is my little knowledge about creating a TCP server and how to read/understand each function block, especially the outputs of some blocks and the types, e.g. server has an output CAA.Handle, but I cannot find the explanation of CAA.Handle. I tried to find a good document that can help me understand how to implement a TCP server, but I could not find it. Thank you in advance, George
Last updated: 2025-02-20
Post by tomhara on Change Adapter for local gateway
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Hello. Can I ask how can I change the localhost ethernet adapter. I need to change it to OpenVPN adapter. Thanks
Last updated: 2025-02-27
Post by eschwellinger on File Creation Issue
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use the PLClogic directory to read / write files. /var/opt/codesys/PlcLogic this is due security reasons forced to use.
Last updated: 2025-03-04
High resolution displays with 150% scaling causes CodeSys IDE to be blurry
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High resolution displays with 150% scaling causes CodeSys IDE to be blurry
Last updated: 2025-03-05
Post by felipemsgarcia on Axis EtherCAT address
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Hello, Thank you for your answer. I'm afraid I was not clear on what I was trying to achieve. I'm trying to change parameters and command axes from inside a function block and the first thing that came to my mind was pass both the EtherCAT slave and axis to the function block (as image attached). But, I believe it's worse than just pass directly the EtherCAT slave address to the function block (is it???). However I was wondering if there was a way to get the EtherCAT address directly from the axis, so I don't need to pass the EtherCAT slave nor the EtherCAT address to the function block. Thank you again!
Last updated: 2025-03-07
Post by timvh on Problem Reading Registers via Modbus from non Codesys device
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According to the documentation: https://wiki.teltonika-networks.com/view/RUT956_Modbus You need to create a Channel to read 2 registers from address 143 to get the lattitude. It doesn't specify if you need to read it as a Holding Register or as an Input Register. You could try both. So in the Teltonika router, you need to enable it as being a Modbus Server. Then in CODESYS add an Ethernet Adapter, then a Modbus Client (Master) and to the Client (Master) add the Modbus Server (Slave). Set the IP address and add the Channel. The please consider that CODESYS doesn't update any variables when they are not used in the application. In the I/O mapping tab of your I/O configuration, you can set the "Always update" to enabled.
Last updated: 2025-03-08
Codesys Licenses - How to reload them after updating the Raspberry Pi OS
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Codesys Licenses - How to reload them after updating the Raspberry Pi OS
Last updated: 2025-03-16
How to change font and font color rectangle/or related object
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How to change font and font color rectangle/or related object
Last updated: 2025-03-17
Change IO-Link Device Interface connected to a Profinet-Slave at Runtime
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Change IO-Link Device Interface connected to a Profinet-Slave at Runtime
Last updated: 2025-03-19
Problem of assigning physical addresses to variables of type ARRAY OF ARRAY as MW and QW
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Problem of assigning physical addresses to variables of type ARRAY OF ARRAY as MW and QW
Last updated: 2025-03-31
Post by nz-dave on sysfile- transfer file to pc
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worked around the issue- ftp client on plc, file sent through filezilla to PC.
Last updated: 2025-04-26
Connecting Parameter 'A' in G-Code to Physical Axis in CNC Project
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Connecting Parameter 'A' in G-Code to Physical Axis in CNC Project
Last updated: 2025-05-07
Post by nz-dave on Modbus TCP/IP having problems with global variables
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IN THE MAPPING COLUMN, TRY CLICKING THE ICON TO "MAP TO EXISTING VAR"
Last updated: 2025-05-21
Post by nz-dave on Codesys 3.5.21 fails to copy file to USB
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So did you get it working?
Last updated: 2025-05-27
FbHTTPs_Get how to get data from a website and use it in codesys
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FbHTTPs_Get how to get data from a website and use it in codesys
Last updated: 2025-06-16
How to download dependencies packages for CODESYS Control for Raspberry Pi SL ?
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How to download dependencies packages for CODESYS Control for Raspberry Pi SL ?
Last updated: 2025-06-23
one variable signed to modbus tcp server device and modbus serial device
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one variable signed to modbus tcp server device and modbus serial device
Last updated: 2025-07-17
Raspberry Pi 4 mod B icm codesys linking USB serial device (arduino) to com port
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Raspberry Pi 4 mod B icm codesys linking USB serial device (arduino) to com port
Last updated: 2025-07-17
Post by pedromarquez on Codesys C Implemented Library
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I have the same situation i manged to import the library but there is no documentation in how to use it
Last updated: 2025-07-24
Post by pedromarquez on Codesys C Implemented Library
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I have the same situation i manged to import the library but there is no documentation in how to use it
Last updated: 2025-07-24
Post by micik on Changed Device of Rapberry Pi to MC SL instead of standard SL and cannot connect anymore
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I have a test application and use Codesys Control for Rasp Pi SL. I made a mistake and updated device from MSL to MC SL, and now if I try to go online with archived version of the project I gett error message that IDs are different between project device and target device. Of course, I can go online if I changed device in the project from SL to MC SL, but I'm not sure that is correct. So I have two questions: 1. What is the actual difference between MC SL device and standard SL device when it comes to raspberry pi 4? 2. What change I need to do on raspberry pi4 side to change device back from MC SL to SL? Thank you!
Last updated: 2025-08-05
Changed Device of Rapberry Pi to MC SL instead of standard SL and cannot connect anymore
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Changed Device of Rapberry Pi to MC SL instead of standard SL and cannot connect anymore
Last updated: 2025-08-06
Post by eschwellinger on Codesys Virtual control SL
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hm..please delpoy a virtual edgegateway beside the virtual control and use this as EdgeGateway to login to your virtual plc.
Last updated: 2025-08-08
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