Post by installwhat on No connection to target: An existing connection was forcibly closed by the remote host ^{CODESYS Forge talk (Post)}
Worked for me too. Now I have to find out why I didn't need to do this on very similar systems and what the security issue is
Last updated: 2024-08-11

Post by lukaszklupa on Codesys Virtual Control - startup problem ^{CODESYS Forge talk (Post)}
Problem solved. The problem turned out to be the lack of access to the default location "Mounts", I changed it to /home/user1 and now it's ok.
Last updated: 2024-08-19

Post by fabriciosegalin on SMC_NCDecoder very slow to decode lines ^{CODESYS Forge talk (Post)}
Does anyone know a way to load a CNC program from CNC Editor faster using SMC_NCDecoder? It takes around 7 seconds to load 34 lines of G code and this is a problem for repeating the CNC program.
Last updated: 2024-08-23

Post by tk096 on How to set unit in Axis ^{CODESYS Forge talk (Post)}
Hi, you have to define how many increments of the drive correspond to one unit in your application. This is done in the Scaling/Mapping Tab in the drive editor.
Last updated: 2024-09-02

Post by lyngaansns on .project.~u save frequency ^{CODESYS Forge talk (Post)}
It would be such a simple fix to first check if the file is missing or changed before writing to it, onedrive only has a problem because codesys writes to the file every second no matter the change.
Last updated: 2024-09-11

Post by kempoguynz on codesys sp20 opcua not working ^{CODESYS Forge talk (Post)}
^^^ THIS! Just spent 3 days trying to solve this. I'm new to Codesys, so couldn't find the right box to tick. You're a star Joel.
Last updated: 2024-09-12

Post by ph0010421 on How to manage variable types larger than 64 bits - Ethernet/IP ^{CODESYS Forge talk (Post)}
So it's currently mapped to an array of BYTES? Can you create a UNION? TYPE sBytesString : UNION AsBytes: ARRAY[0..127] OF BYTE; AsString: STRING(128); END_UNION END_TYPE Map it to the bytes, read it in the STRING!
Last updated: 2024-09-23

Post by fmbrew-rob on Licensing info not available. ^{CODESYS Forge talk (Post)}
I do have a license server installed. Can you point to a document or ANYTHING that shows how to configure this virtual control to properly do licensing?
Last updated: 2024-09-24

Post by jari-koivuluoma on Problem trying Net Base Services 3.5.15.0 TCP connection ^{CODESYS Forge talk (Post)}
Solved. Just in case that someone else is now to this also. It seems that the xDone of the TCP_Connection FB goes true once client disconnects and then you need to reset the FB by setting the xEnable to false.
Last updated: 2024-10-04

Post by ph0010421 on MQTT library ^{CODESYS Forge talk (Post)}
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 mainak on OPC UA C# client connecting to OPC UA CODESYS server ^{CODESYS Forge talk (Post)}
it could be due to security settings. In codesys IDE, go to device-> change run-time security policy, and click the checkbox that says "Allow anonymous login". try if this works.
Last updated: 2024-10-19

Post by kbucsit22 on Ethercat Slave - Load PDO From Device ^{CODESYS Forge talk (Post)}
Hi All, I am using Control Win V3 x64. Anyone experiences to use Expert mode to map the Ethercat Slave device to press this Load PDO from Device, Pressed first time then nothing happens. Pressed second time then the software crashes. Best regards, Kenneth
Last updated: 2024-10-22

Post by timvh on Modbus TCP & RTU with Control for Linux SL ^{CODESYS Forge talk (Post)}
Most likely your IP address is set to 172.... because you use a VPN connection to your device. Probably best to use the other Ethernet interface for your modbus communication.
Last updated: 2024-10-24

Post by ben1 on How to write multiple coils (Modbus FC15) ^{CODESYS Forge talk (Post)}
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: 1 day ago

Post by john-robinson on Limiting Memory Access of an Array to Within its Bounds ^{CODESYS Forge talk (Post)}
Recently we had an issue regarding some simple code to calculate a rolling average. The code indexes from zero to 199 to properly store the current input into a circular buffer which then allows us to calculate a rolling average: VAR input_5s : REAL; outs_arr : ARRAY[0..199] OF REAL; i : USINT := 0; END_VAR ___ //this code runs every five seconds, calculating a rolling average outs_arr[i] := input_5s; i := i + 1; output := OSCAT_BASIC.ARRAY_AVG(ADR(outs_arr), SIZEOF(outs_arr)); IF i >= SIZEOF(outs_arr) THEN i := 0; END_IF There is a simple bug in this code where the index will be set to 0 when it has surpassed the length of the array in bytes (800 in this case) rather than larger than the number of reals in the array (200). The solution here is simple, replacing i >= SIZEOF(outs_arr) with i >= SIZEOF(outs_arr)/SIZEOF(outs_arr[0]). In this example when the index increased to 201 and the line outs_arr[201] := input_5s was called, codesys arbitrarily wrote to the address in memory that is where outs_arr[201] would be if the array was that long. I would like to find a way to wrap the codesys array inside of a wrapper class that checks if an input is within the bounds of an array before writing to that value. I know how I would implement that for a specific array, I could create a method or class that takes an input of an array of variable length, ie. ARRAY[*] OF REAL, but I don't know how to make this for any data type. I am wondering if anyone has ever done anything similar to this, or has any better suggestions to ensure that none of the programmers on this application accidentally create code that can arbitrarily write to other locations in memory.
Last updated: 2024-03-05

Post by ggarcia94 on IMAGE DISPLAY ACCORDING TO INPUT VARIABLE ^{CODESYS Forge talk (Post)}
Reopening this thread as I need to make a few images visible depending on the value of a variable. However, in the properties of the image I do not have the option to make the image visible (see attached image). I´m using Codesys V3.5 SP19. However, when I use V3.5 SP17 I have the option to make the images visible. Can someone help me achieve this with V3.5 SP19? EDIT: Fixed. Just had to uncheck Support client animations in the Visualization manger settings
Last updated: 2023-09-12

Post by ernesto881124 on ernesto881124 ^{CODESYS Forge talk (Post)}
Hello good morning everyone I would like to ask a question, is it possible to directly connect a device that only contains modbus RTU communication through an R-45 connector, directly to the PC? Or would you need an intermediate device to achieve communication? It would be of great help to me because I cannot achieve communication between the Codesys simulator plc and a Fuji Frenic mini VFD, please help me if anyone has had the same experience. Thank you so much
Last updated: 2023-09-13

Post by tehthoams on Library Search not working ^{CODESYS Forge talk (Post)}
Hello All! Having a strange issue. When adding a library, I'm unable to search. Each time a window pops up 'creating the search index' and then has 0 results. I have the same behavior when using the library repository and pressing the 'Find' button. I wonder if there is a way to reset or fix this issue? It is making it very difficult to search and find proper libraries to add to my project. Much appreciated.
Last updated: 2023-10-17

Post by john-martin on Send file from codesys to...... ftp, cloud, etc ^{CODESYS Forge talk (Post)}
Hi everybody, I am looking for a solution to send files, for example, to an ftp or a cloud. I can't use oscat library because 64 bit controller are not supported. Therefore, I see that the IIoT library has some functions that might help me to implement this sending process in codesys. Does anyone have any examples of how to do this? I have spent some days with this issue without success. Best regards.
Last updated: 2023-11-02

Post by song on How to convert a standard robot program into an excutive list when a robot runs? ^{CODESYS Forge talk (Post)}
Dear Sir, I'd like to learn and try to make robot based on Codesys, is there a FB block or other ways to convert a standard robot program into an excutive list? how codesys explain the robot command instructions on HMI, just like the SMC_NCDecoder used to convert CNC program into a list of SMC_GEOINFO object. Thanks very much! Peter Yan
Last updated: 2023-11-25

Post by timvh on Management of a PLC network from a remote station ^{CODESYS Forge talk (Post)}
Maybe the CODESYS HMI is a good solution. https://store.codesys.com/en/codesys-hmi-sl-bundle.html Run this on the remote main control station. In the HMI application you can add the data source manager and to this manager you can add Data sources. A data source has a reference to the PLC you want to connect to and can get access to the variables of the PLC application. You can then use these variables in the visualization of the HMI application.
Last updated: 2023-12-04

Post by apurv on Cannot pass array of constant size to a function as a reference ^{CODESYS Forge talk (Post)}
I have a Array of constant size defined like this Var Constant MAX_SIZE :UINT := 10; End_var VAR array : ARRAY[0..MAX_SIZE] OF INT; END_VAR Now I want to pass this array to a function by reference, Function fun : INT VAR_IN_OUT CONSTANT MAX_SIZE : UINT; END_VAR VAR_INPUT array : REFERENCE TO ARRAY[0..MAX_SIZE] OF INT; END_VAR but when I run this it gives strange Errors Error : Cannot Convert type 'ARRAY [0..MAX_SIZE] OF INT' to type 'ARRAY[0..MAX_SIZE] OF INT'
Last updated: 2024-01-07

Post by haydermsalih on OSCAT Network LIBRARY: FTP_CLIENT ^{CODESYS Forge talk (Post)}
Hello I am using FTP_CLIENT to donwnload/Upload a text or CSV file from FTP server. UpLoading from PLC to FTP server is working without any problem but when I try to download from FTP server I get an error. The FTP_CLIENT Block allows me to add URL but I do not where I can specify the direcory to save the downloaded file... is there anyone has an experience with downloading from FTP server using FTP_CLIENT block. Thanks in advance Hayder
Last updated: 2024-01-24

Post by hsmw-wolf on How to fix Codesys Simulation Exception ? ^{CODESYS Forge talk (Post)}
Did anybody have a solution for this problem? I have the same issue and it occured as i wanted to continue work after the weekend. On Friday the simulation was working fine and on Monday thise error appears. There should be a more specific fault description to be honest. As I am writing I try to repair the installation and hope, that this will work. Still I am frustrated, because I don't know where to look for eliminating this fault. I am using CODESYS 3.5 SP19 Patch 5.
Last updated: 2024-01-29

Post by durstloescher on Codesys Input Detector ^{CODESYS Forge talk (Post)}
Good morning, I am currently working on implementing a display dimmer. I want the display to dim after X minutes. This works so far. The implementation is done via the Linux subsystem, to which a command is sent to dim the display. However, my problem is resetting the timer when input is received. I want the dimming timer to be reset with each click/touch. Unfortunately, I can't find a suitable solution for this. Are there any ways to do this? Codesys v3.5 SP19 Patch 2
Last updated: 2024-02-15

Sort by relevance or date