Post by salvadegianluca on List files in a directory with SysDiropen And SysDirRead ^{CODESYS Forge talk (Post)}
Good morning; I'm facing an issue that seems being caused by the library itself. I'm trying to create the list of all the files that are stored inside a psecific directory. Unluckily the first file is allways hidden. VAR CONSTANT arysEmptyArray:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING := [(iArrayMAXDimension - iArrayMinDimension)('')]; iArrayMinDimension:INT := 1; iArrayMAXDimension:INT := 99; END_VAR VAR_INPUT sDirectoryToInspect:STRING; sSearchFilter:STRING; END_VAR VAR_IN_OUT xCheckFileInsideDirectory:BOOL; END_VAR VAR arysListOfFoundFiles:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING; sNullString:STRING; iNullIndex:INT := 0; libInfoAboutThePath:DirInfo; libResultOfThePathMonitoring:CmpErrors.RTS_IEC_RESULT; libInstanceToMonitorThePath:CmpErrors.RTS_IEC_HANDLE; sEntityToSearch:STRING; dMaxEntityDimension:DINT := SIZEOF(sEntityToSearch); libFileInfo:DirInfo; sFilteredFileName:STRING; iIndexToScrollArrays:INT; END_VAR IF xCheckFileInsideDirectory THEN arysListOfFoundFiles:=arysEmptyArray; iIndexToScrollArrays:=iArrayMinDimension; libInstanceToMonitorThePath:= SysDirOpen(szDir:= sDirectoryToInspect,szDirEntry:=sNullString,diMaxDirEntry:= iNullIndex,pDirInfo:= ADR(libInfoAboutThePath),pResult:= ADR(libResultOfThePathMonitoring)); WHILE libResultOfThePathMonitoring = Errors.ERR_OK AND iIndexToScrollArrays <= iArrayMAXDimension DO sEntityToSearch:= ''; libResultOfThePathMonitoring:=SysDirRead(hDir:=libInstanceToMonitorThePath,szDirEntry:=sEntityToSearch,diMaxDirEntry:=dMaxEntityDimension,pDirInfo:=ADR(libFileInfo)); sFilteredFileName:= FUN_06_00_FindItemInString_0(sFilter:=sSearchFilter,sSource:=sEntityToSearch); IF sFilteredFileName <> '' THEN arysListOfFoundFiles[iIndexToScrollArrays]:=sFilteredFileName; iIndexToScrollArrays:=iIndexToScrollArrays + 1; END_IF IF libResultOfThePathMonitoring <> Errors.ERR_OK THEN libResultOfThePathMonitoring:= Errors.ERR_OK; END_IF END_WHILE libResultOfThePathMonitoring:=SysDirClose(hDir:= libInstanceToMonitorThePath); xCheckFileInsideDirectory:=FALSE; END_IF How is possible to solve this issue? Any known work around?
Last updated: 2024-09-17

Post by salvadegianluca on List files in a directory with SysDiropen And SysDirRead ^{CODESYS Forge talk (Post)}
Good morning; I'm facing an issue that seems being caused by the library itself. I'm trying to create the list of all the files that are stored inside a psecific directory. Unluckily the first file is allways hidden. VAR CONSTANT arysEmptyArray:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING := [(iArrayMAXDimension - iArrayMinDimension)('')]; iArrayMinDimension:INT := 1; iArrayMAXDimension:INT := 99; END_VAR VAR_INPUT sDirectoryToInspect:STRING; sSearchFilter:STRING; END_VAR VAR_IN_OUT xCheckFileInsideDirectory:BOOL; END_VAR VAR arysListOfFoundFiles:ARRAY[iArrayMinDimension..iArrayMAXDimension] OF STRING; sNullString:STRING; iNullIndex:INT := 0; libInfoAboutThePath:DirInfo; libResultOfThePathMonitoring:CmpErrors.RTS_IEC_RESULT; libInstanceToMonitorThePath:CmpErrors.RTS_IEC_HANDLE; sEntityToSearch:STRING; dMaxEntityDimension:DINT := SIZEOF(sEntityToSearch); libFileInfo:DirInfo; sFilteredFileName:STRING; iIndexToScrollArrays:INT; END_VAR IF xCheckFileInsideDirectory THEN arysListOfFoundFiles:=arysEmptyArray; iIndexToScrollArrays:=iArrayMinDimension; libInstanceToMonitorThePath:= SysDirOpen(szDir:= sDirectoryToInspect,szDirEntry:=sNullString,diMaxDirEntry:= iNullIndex,pDirInfo:= ADR(libInfoAboutThePath),pResult:= ADR(libResultOfThePathMonitoring)); WHILE libResultOfThePathMonitoring = Errors.ERR_OK AND iIndexToScrollArrays <= iArrayMAXDimension DO sEntityToSearch:= ''; libResultOfThePathMonitoring:=SysDirRead(hDir:=libInstanceToMonitorThePath,szDirEntry:=sEntityToSearch,diMaxDirEntry:=dMaxEntityDimension,pDirInfo:=ADR(libFileInfo)); sFilteredFileName:= FUN_06_00_FindItemInString_0(sFilter:=sSearchFilter,sSource:=sEntityToSearch); IF sFilteredFileName <> '' THEN arysListOfFoundFiles[iIndexToScrollArrays]:=sFilteredFileName; iIndexToScrollArrays:=iIndexToScrollArrays + 1; END_IF IF libResultOfThePathMonitoring <> Errors.ERR_OK THEN libResultOfThePathMonitoring:= Errors.ERR_OK; END_IF END_WHILE libResultOfThePathMonitoring:=SysDirClose(hDir:= libInstanceToMonitorThePath); xCheckFileInsideDirectory:=FALSE; END_IF How is possible to solve this issue? Any known work around?
Last updated: 2024-09-17

Post by naps on cant install runetime on 750-8202 ^{CODESYS Forge talk (Post)}
Hello, im trying to install the 3.5 Runtime on a a fresh image on my 750-8202. Product Description: WAGO 750-8202 PFC200 CS 2ETH RS Firmware Revision: 03.10.08(22) ~~~ df -h Filesystem Size Used Available Use% Mounted on ubi0:rootfs.1 82.5M 66.5M 11.8M 85% / devtmpfs 117.8M 16.0K 117.8M 0% /dev none 118.3M 12.0K 118.3M 0% /tmp none 118.3M 0 118.3M 0% /media none 4.0M 136.0K 3.9M 3% /var/log none 118.3M 112.0K 118.2M 0% /var/run none 118.3M 0 118.3M 0% /var/lock none 118.3M 0 118.3M 0% /var/tmp none 118.3M 0 118.3M 0% /sys/fs/cgroup tmpfs 118.3M 48.0K 118.2M 0% /run /dev/ubi0_1 58.6M 3.4M 52.2M 6% /home /dev/ubi0_1 58.6M 3.4M 52.2M 6% /settings /dev/ubi0_1 58.6M 3.4M 52.2M 6% /log ~ After installation and reboot i have still the wago webinterface. No runtime on Information Tab and the Runtime button from the configuration tab is lost. iv try it with firmware 22 and 21. Same problem. What can i do?
Last updated: 2024-09-29

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Last updated: 2024-10-26

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Last updated: 2024-10-26

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Last updated: 2024-10-26

Post by s1ack on Request a dark mode for CODESYS ^{CODESYS Forge talk (Post)}
and other colors have to be licensed? Introducing Code-Based Licensing Code Basic S: White text w/ grey background (ST only) Code Basic M: White text w/ dark gray background (ST Only) Code Basic L: White test w/ black background (ST Only) Code Standard S: 2 Colors of light syntax highlight colors w/ black background. (ST Only) Code Standard M: 4 Colors of light syntax highlight colors w/ black background. (ST only) Code Standard L: 6 Colors of light syntax highlight colors w/ black background. (ST only) Code Performance S: 2 Colors of light syntax highlight colors w/ user definable background. (Entire IDE) Code Performance M: 4 Colors of light syntax highlight colors w/ user definable background. (Entire IDE) Code Performance L: 6 Colors of light syntax highlight colors w/ user definable background. (Entire IDE) You get the gist... I used to be a big fan of CoDeSys. Recent re-entry after 5 years away, not so much.
Last updated: 2024-11-15

Post by dominggus on FileDialog - OnDialogClosed not called anymore ^{CODESYS Forge talk (Post)}
Hi, since the latest update it seems the OnDialogClosed is not called anymore?? using CODESYS SP20 Patch 3 with CODESYS Visualization 4.6.0.0 I am using LoadWriteRecipe to load a recipe file from disk (with some custom dialog settings), and I need to run a function (Recipes_LoadFromRecipeData()) afterwards which I execute when OnDialogClosed is closed with OK button. See attached screenshot and code below: *** OnDialogClosed : Recipes_OnLoadFileDialogClosed(pClientData): *** // the DialogManager is provided via the implicitly available VisuManager dialogMan := VisuElems.g_VisuManager.GetDialogManager(); IF dialogMan <> 0 AND pClientData <> 0 THEN FileOpenCloseDialog := dialogMan.GetDialog('VisuDialogs.FileOpenSave'); // gets the FileOpenSave dialog IF FileOpenCloseDialog <> 0 THEN result := FileOpenCloseDialog.GetResult(); // gets the result (OK, Cancel) of the dialog IF result = VisuElems.Visu_DialogResult.OK THEN Recipes_LoadFromRecipeData(); END_IF END_IF END_IF *** OnMouseClick: Execute ST-Code *** // override FileOpenSave Dialog settings // Visu_FbFileListProvider.Initialize(stDirectory, stFilter, stFileIn, stTitle, iRowCount, bBrowseDirectory, bTouch) VisuDialogs.g_FileListProvider.Initialize('./', '*.bunkerrecipe', '', 'Load recipe', 20, TRUE, FALSE); VisuDialogs.g_FileListProvider(); This used to work in CODESYS v3.5 SP20 Patch 1, but it seems it doesn't work anymore unfortunately? The OnDialogClosed just never seems to be called anymore....
Last updated: 2024-12-18

Post by timvh on STRING conversions to DWORD ^{CODESYS Forge talk (Post)}
I guess that the printer expects to receive an array of byte values. So where it is described that it expects to receive: Hercules String : 1B4F513030311B7532626C61636B04 it actually expects to receive an array of bytes with the values 1B,4F,51,30,30, etc. So what you can do is create an array of bytes and assign the byte value to each item in the array: VAR abyToSend : ARRAY[0..99] OF BYTE; END_VAR abyToSend[0] := 16#1B; // ASCII Escape character, hexadecimal representation uses 16# as prefix abyToSend[1] := 16#4F; // ASCII 'O' abyToSend[2] := 16#51; // ASCII 'Q' abyToSend[3] := 16#30; // ASCII '0' // you can do the rest yourself // maybe could be created a lot smarter, but gives you an indication how to handle this. Then with the serial communication (or TCP/IP?) you can send a message with the reference to the array (abyToSend) and the number of bytes to send (15 bytes for the string you gave as example).
Last updated: 2025-02-02

Post by atcprojectteam on Modbus Function Code 15, writing multiple coils ^{CODESYS Forge talk (Post)}
Hi all, I am using an RSTI-EP I/O card along with the EPXMBE101 Modbus/TCP network adapter. I have a Control Standard L license. I successfully connected to the I/O card via Modbus and can read inputs without any issues. However, when I try to write to the digital output modules using function code 15, I am unable to make any changes. Here’s what I have done so far: I created a small project using Structured Text. I set up Modbus channels (as shown in the attached image) and mapped the pins. When I use cyclic mode, the connection results in an error. However, when I use the rising edge, the connection works, but I don’t see any changes on the I/O card. For the output module, I assigned one bit to high. After that, I ran CODESYS Control Win V3. (Should I be running the PLC as well?) I built the program, but I am not receiving any response from the I/O card. Could you please advise on what might be causing this issue?
Last updated: 2025-02-26

Post by atcprojectteam on Modbus Function Code 15, writing multiple coils ^{CODESYS Forge talk (Post)}
Hi all, I am using an RSTI-EP I/O card along with the EPXMBE101 Modbus/TCP network adapter. I have a Control Standard L license. I successfully connected to the I/O card via Modbus and can read inputs without any issues. However, when I try to write to the digital output modules using function code 15, I am unable to make any changes. Here’s what I have done so far: I created a small project using Structured Text. I set up Modbus channels (as shown in the attached image) and mapped the pins. When I use cyclic mode, the connection results in an error. However, when I use the rising edge, the connection works, but I don’t see any changes on the I/O card. For the output module, I assigned one bit to high. After that, I ran CODESYS Control Win V3. (Should I be running the PLC as well?) I built the program, but I am not receiving any response from the I/O card. Could you please advise on what might be causing this issue?
Last updated: 2025-02-26

Post by peterkcontrols on TargetVisu started in windowed or not full screen ^{CODESYS Forge talk (Post)}
Thanks for the response. I have found this file in two places, I have updated the text in both but it didnt work. Am I missing something on the Codesys side. How do you restart the soft plc, I have been stopping it and starting it. The Visu screen come up but still in full screen mode. Here are the two locations of this file: C:\Program Files\Codesys Control\GatewayPLC\AppDataFiles\CODESYSControlWinV3x64 and C:\Program Files\CODESYS 3.5.20.50\GatewayPLC\AppDataFiles\CODESYSControlWinV3x64 Here is the contents of targetvisuextern.cfg [ComponentManager] [CmpTargetVisu] ; The Window... settings can be used for displaying the targetvisualization in a window instead of fullscreen WindowType=0 WindowPositionX=0 WindowPositionY=0 WindowSizeWidth=1024 WindowSizeHeight=768 HideCursorCompletely=1 [SysWindow] ;Windows.CloseOnAltF4=0 ;Windows.CloseOnWM_CLOSE=0 [CmpLog] ;Logger.0.Name=TvExtLogger ;Logger.0.Enable=1 ;Logger.0.MaxEntries=1000 ;Logger.0.MaxFileSize=5000 ;Logger.0.MaxFiles=3 ;Logger.0.Backend.0.ClassId=0x0000010B ;sends logger messages to SysOut ;Logger.0.Backend.1.ClassId=0x00000104 ;writes logger messages in a file ;Logger.0.Backend.2.ClassId=0x00000135 ;sends logger messages as UDP syslog
Last updated: 2025-02-26

Post by pernockham on Inheritence of struct, ^{CODESYS Forge talk (Post)}
Im looking for a way to define predefined version of the same structures through "extends"/inheritance. What I want to do is best shown with an example: TYPE log_item_val_type : ( BOOL_ := 0, INT_, REAL_, STRING_ ); END_TYPE TYPE LOG_DATA_BASE STRUCT val_type : log_item_val_type; (* value, name etc *) ENDSTRUCT ENDTYPE (* this/below is not possible as I understand from the compiler?? *) TYPE LOG_DATA_BOOL extends LOG_DATA_BASE : STRUCT val_type : log_item_val_type := log_item_val_type.BOOL_; END_STRUCT END_TYPE TYPE LOG_DATA_INT extends LOG_DATA_BASE : STRUCT val_type : log_item_val_type := log_item_val_type.INT_; END_STRUCT END_TYPE etc. for LOG_DATA_REAL and ..STRING. The system will not allow me to "re-define" "val_type" however. Instead I must do the work-around of defining four different types with all fields individually defined. The benefit if I could extend the base item would be that Im (more) sure the structures are identical. In usage I can call in a specific type rather use the base type and assign which type. Usage by pointer/ref to log_data_base would also be easier.. (* Usage: *) log_data : log_data_int := (name, value etc.) (* Instead of: *) log_data : log_data_base := (name, value, val_type).. Is this possible to achieve in some way that I have missed?
Last updated: 2025-03-05

Post by ojz0r on Assignment Efficiency - Repetitive Assignment vs IF statement ^{CODESYS Forge talk (Post)}
Its important that you know the difference between the two. Example 1: Coils[0] := Coils[0] OR (Buttons[0] AND Sensors[0] > 6); In this case the statements will be evaluated every scan and result in either true or false for Coils[0]. Example 2: IF NOT Coils[0] AND Buttons[0] AND (Sensors[0] > 6) THEN Coils[0] := TRUE; END_IF In this example Coils[0] will latch the result in a true evaluation, if you want it to behave the same way as example 1 then you need to do it like example 3 below: IF NOT Coils[0] AND Buttons[0] AND (Sensors[0] > 6) THEN Coils[0] := TRUE; ELSE Coils[0] := FALSE; END_IF However back to the real question. There is no problem using either example 1 or example 3, if im not requiring a latch i usually go with example 1 as it is more compact.
Last updated: 2025-03-07

Post by struccc on The future and proper use of CAA.BOLT, CAA.SEMA,.. ^{CODESYS Forge talk (Post)}
Dear All, Dear CODESYS, I'm curiously following CODESYS transitioning away from the CAA libraries, and I'm mostly in favor of these major changes. Naturally, I'd like to align my current (not end-user) developments accordingly. I'm tracking , reading release notes, ... And want to figure out the future :) Is it possible to hear / read more about the reasons, objectives and scope of these changes? One important element is CAA Types - CAA Types Extern. What is the plan with that? What's the future of CAA.SEMA, CAA.BOLT ? I have never used them (always relied on SysLib*), but they are tempting... Would be useful to have a platform independent "Macro" for this functionality... Is there something in existing or planned ? Are they suitable to be used in low level libraries... For Example IO-Drivers, Components, "to-become system libraries"? CAA.TaskLock, CAA.TaskUnlock ? Well, they don't claim platform independency, so I can't rely on those.... Any up-to-date advise, standard, pattern to follow in new libraries for task and resource locking? Practical set of conditional defines to be used? If this information is not publicly available, can you please send a private message about the proper way to achieve this? I have support agreement, just couldn't get trough with these questions... P.
Last updated: 2025-03-14

Post by drbuzz on Communication Error (#0) for IFM controller ^{CODESYS Forge talk (Post)}
Hi Folks, Every time I use an IFM controller I always seem to run into a problem connecting to it. I get the Communications Error (#0). So I thought I would share some tips and tricks. Once the CANfox Cable (EC2112) cable driver is installed, you can use the yellow app in the sys tray to blink the lights on the cable. Confirm the cable works in the IFM maintenance software by connecting to the controller and reading the information on it. Make sure to download an OS into the controller (the light will go from a fast blink to solid green). In Codesys V2.3, the communication settings for the CR0401 is 250kBaud by default and Node ID 127. What got me, was I needed to reboot the computer after the cable driver install. Also if your application has canbus settings in it which are changed from default, after the controller is power cycled, the new Node ID and Baud will be in effect. I made a handy guide because too much time has been wasted on this. Programming IFM CR0401 Serial/Can Programming Cable • Connect IFM EC2112 CanFox programming cable with connector adapter. • Make sure cable is linked to VM (if using VM). • Install drivers for cable if not installed. o Download from IFM EC2112 site. https://www.ifm.com/ca/en/product/EC2112 • Once Installed, reboot computer. • In system tray, there should be a yellow icon that you can open and check on programming cable. Select the cable in the list and flash the lights to confirm it is working. Maintenance Software • Install IFM Maintenance Tool Software. o Download from IFM Site. https://www.ifm.com/ca/en/download/eco100_MaintenanceTool • Open IFM Maintenance software • Select Basic System • Select CAN cable • It will tell you if you don’t have a cable connected. • Use Wizard if needed. • Read Channel Parameter on the Settings page, or get Identity in the System Information > Identity. • Default Node is 127 on a new unit. Baud is 250kBaud (bits/sec) • Controller information should populate. • Controller green light should be blinking at 5hz (meaning OK but no OS, just bootloader). • Click Software > Load. • Open the OS file. Should match Codesys version selection (for CR0401 this is version 3). o Download OS file from IFM Website. https://www.ifm.com/ca/en/product/CR0401 o It is located at the top of the download under “software for CR0401”. o Select the file and load it… this will take a minute. • Once completed the unit should now have a solid green light o Solid green means the controller has an OS but no application is running. Codesys V2.3 Application • Codesys needs to be downloaded and installed from the IFM website as it has the IFM libraries and license to use the software. o Download from the IFM CR0401 page. o https://www.ifm.com/ca/en/product/CR0401 • Create new application with the correct IFM controller or Open Codesys application. • Keep in mind that the PLC Configuration on the Resources tab can be changed for the CAN communication interface… so changes to node and baud will take effect after the first download and reboot of the controller. • Go to “Online” in the top menu and change “Communication Parameters” o The Local dropdown shows the last configuration used. All other interfaces will show below it and need to be updated when changed or used. o Confirm Node ID is 127 for the first download.  The NodeID will change to whatever the program has after (in my case 125).  Node Send Offset should be default at 1536  Node Recv Offset should be default at 1408  Can bus Baudrate should be 250 kbaud.  Yes to Motorola Byte Order  Block Transfer should be false and note used (60 is default setting).  Can Card Driver should match the systray item which is Sie_USB. • If the system populated the other one, just update and relay the communication parameters. The software will usually bring up the available cable and driver. • Go to “Online” and Login to download. o Press Yes to Download Application. I hope this helps!
Last updated: 2025-03-21

Post by pistola on C0357: "GetNextClient" is obsolete, use VisuUtils instead ^{CODESYS Forge talk (Post)}
I'm having some troubles with this same issue and I'm wondering if someone can help me out. On a settings visual I allow the operator to enter some values however if they activate the page change button it will change the change with the Numpad dialog open. Since I'm using Visuelems.CURRENTVISU to change the pages I came across this code noted below for determining if the Numpad dialog was active. This code worked great however now in 3.5.19 it's now obsolete. I've tried following the directions in the attached program above however I can't see to get it to work in my program. Can anyone provide some help to determine if a dialog is open? FUNCTION Check_Dialog_Open : Bool VAR_INPUT sDialogName : STRING; // Input variable for the name of the dialog END_VAR VAR pstClientData : POINTER TO VisuElems.VisuStructClientData; // Pointer to the client data structure itfDialogManager : VisuElems.IDialogManager; // Interface for the dialog manager itfMyDialog : VisuElems.IVisualisationDialog; // Interface for the specific visualisation dialog END_VAR // Begin the iteration over the client manager VisuElems.g_ClientManager.BeginIteration(); // Loop through each client until no more clients are found WHILE (pstClientData := VisuElems.VisuElemBase.g_ClientManager.GetNextClient()) <> 0 DO // Get the dialog manager interface itfDialogManager := VisuElems.g_VisuManager.GetDialogManager(); // Get the specific dialog interface using the dialog name itfMyDialog := itfDialogManager.GetDialog(sDialogName); // Check if the dialog is open for the current client Check_Dialog_Open := VisuDialogs.VisuDlgUtil_IsDialogOpen(itfMyDialog, pstClientData, itfDialogManager); // If the dialog is open, exit the loop IF Check_Dialog_Open THEN EXIT; END_IF END_WHILE
Last updated: 2025-03-27

Post by razebones on sdo read write codesys 3.5 ^{CODESYS Forge talk (Post)}
ENG For some reason, I can't bind a variable to the data parameter. Also, why does only the sdo_read4 function work for me? I also can't write through sdo_write4. I can only view the received values via sdo_read4. Please help me with this task. Moreover, I tried to write the values through sdo write 4 and for a while the data stopped being written and I overwritten it manually and sdo read4 started working again and at the same time they do not want to work in the main task. RU Я не могу почему то привязать переменную к параметру data. Так же у меня почему работает только функция sdo_read4 так же не могу записать через sdo_write4. Могу только просматривать полученные значения через sdo_read4. Помогите пожалуйста с этой задачей. Причём я попытался записать значения через sdo write 4 и у меня на какое то время перестали записываться данные и перезаписал вручную и sdo read4 начал работать снова и одновременно они не хотят работать в main task.
Last updated: 2025-04-01

Post by nz-dave on MC_HOMING ^{CODESYS Forge talk (Post)}
Hi Just new to motion and i am building my own 3axis cnc cutter using servo drives. i have every thing working quite well apart from mc_home. when executed (r_trig) it stops immediately and i get fb_wasnt_called_during_motion. if i execute the mc_home fb with a toggle it just runs and runs for a while then errors out. what im unsure of is the way mc_home works. from what i understand it changes the drive mode to 6 (homing) and should then run of the drive homing settings. once origin sensor is made then homing would stop and mc_home.done is true. and the position on the fb is where i what the new home position (zero) to be? or do i feed mc_readposition to that input? so i would think its the settings in the drive that aren't quite right. but i believe they are all correct. has any one got any info to steer me in the right direction? Cheers
Last updated: 2025-04-04

Post by r-c-r on SM3RaspiStepper 0.0.0.6 issue ^{CODESYS Forge talk (Post)}
Ok, so i made some tests in the meantime and i have some conclusions. It apears that the enable bit is activated only when a motion function is executed. I implemented a very simple program with MC_Power and MC_Jog. If i enable everything on MC_Power, the enable GPIO pin stays off. However, as soon as the MC_Jog function is used the enable GPIO pin turns ON and remains ON. In version 0.0.0.4 this is not happening. The GPIO enable pin turns on or off when the MC_Power is enabled or disabled. From this behaviour i understand that in version 0.0.0.6 the GPIO enable bit is activated together with pulse and dir pins when motion starts. When motion stops, enable bit remains with the last state (on in this case) and you cannot turn it off for example. For me this bit is useful because i can turn on and off the stepper drive with MC_Power function. Now i can turn it on, but never off.
Last updated: 2025-04-04

Post by jschu on Dynamical scaling of bar graph without the bar itself ^{CODESYS Forge talk (Post)}
Hi there, Task: dynamical changing the scaling of an bar graph, linear scaling whitout showing the bar only the scaling values and Lines for Main and partial steps. Define 4 Limits for Hi and LO Values with different colors Option 1 : use the bar graph whitout showing the actual bar whitout showing the bar, only the scaling values and lines for main and partial steps. Then what to do with the 4 Limits ? I could use 4 moveable Rectangles with the start and end value fo the areas but then the whoel bargraph must be transparent. Best way would be if only the scale ist possible to show as it is possible for the Meter 180° but this option does not exist for the bargraph. Option 2 : user defined HMTL5 Widgets wich may be some allreay has created or where is a dome for using this kind of html5 widget. The expanse for use html is in my eyes to big and gives more option for errors. Have some one experience in this topic or a hint how to do it the easiest way? Thanks for your help.
Last updated: 2025-05-15

Post by astutoski on No Motion with SM3_RaspiStepper (GPIO 23/24 Show No Pulses) ^{CODESYS Forge talk (Post)}
Hi everyone, I’m completely new to CODESYS and have been teaching myself. And i Want to control an Axis using SM3RaspiStepper. Following the example on the RaspiStepper home page, I set up an axis through a POU and tied the SMC_StartupDrive (Visu) template to my axis instance (sud). Unfortunately, the motor never moves and I don’t see any pulses on the PULSE pin (GPIO 23). Hardware -Raspberry Pi 4 B -Nema 17 stepper motor -A4988 stepper driver (EN pin permanently tied to GND) Software / Runtime -CODESYS 3.5 SP21 Patch 1 – Raspberry Pi runtime (demo) -SoftMotion in demo mode -Package: SM3_RaspiStepper 0.0.0.6 Axis parameters: Pulse pin GPIO 23 Direction pin GPIO 24 Enable pin 0 (unused) Disable pin 0 (unused) Whether I start the axis from the visualization template or through Online Config Mode, the motor never spins. In Online Config Mode I press Power → the state changes from Standstill to Discrete_Motion, but the motor shaft is still locked and no step pulses appear on GPIO 23 (checked with a scope). I can provide screenshots of the Visualization, PLC logs, or wiring pictures if that helps. Any ideas on what I might be missing? Happy to provide screenshots, project files, or scope captures if that helps. Thanks in advance!
Last updated: 2025-06-25

Post by gmau on RS232 Communication in CODESYS Control RTE V3 ^{CODESYS Forge talk (Post)}
Hello, I would like to implement RS232 communication into CODESYS Control RTE V3. I was writing the program testing it on CODESYS Control Win V3, where it worked fine. When I changed it to RTE, the communication was on, but I cannot send the data between PLC and scale - there is no or little response from scale - mostly one time receive and that is it. On Win V3 it was working fine. I read that I am supposed to configure CODESYSControl file for a proper communication using RTE, but even after that I can not get a stable and working communication. I am attaching my CODESYSControl and CODESYSControlUser data below, as well as I am sending the code from communication function. The communication should be through COM1 port of PC. CODESYS Version: CODESYS V3.5 SP21 + (64-bit) Runtime + Version: CODESYS Control RTE V3 Version 3.5.21.0 / CODESYS Gateway V3 - x64 Version 2.5.21.0 I would be much gratefull for any help. Sincerely,
Last updated: 2025-07-16

Post by gunstr on CODESYS control on RPi starts, shortly runs, then exits ^{CODESYS Forge talk (Post)}
We have been using the Codesys Control for Rasberry Pi for several years in many installations without any major issues. But during summer the problem mentioned above has blocked further deliveries. We have made some minor upgrades to the application but I do not really see why that should have any impact. HW is Raspberry Pi 4B, 2GB OS is Booworm Lite Codesys control is version 4.15 (have just installed a few systems lately with this version) The system boots OK but after exactly 30 seconds Codesys is shut down and becomes unreachable. We have tested several different combinations: Upgrade of the Codeys Control to 4.16 Loading different Codesys applications Changing to 4GB version of the Raspberry Pi One of the test applications together with the 4GB HW seems to be stable, but all other combinations fails. Any suggestion what we can do to resolve is appreciated - this is a real business blocker now. Rgds
Last updated: 2025-09-02

Post by ph0010421 on How to create a stopwatch? ^{CODESYS Forge talk (Post)}
Do you need an 'hours-run' counter? And 1 second resolution is ok? I think you're over-thinking it. (The task time needs to be < 1second) Have a look at the LAD... Then, the time in seconds can be made into hh:mm:ss with this FUNction Declarations: FUNCTION funSecondsToStringTime: string VAR_INPUT InSeconds: UDINT; END_VAR VAR AsString: STRING; Minutes: UDINT; Hours: UDINT; Seconds: UDINT; MinutesAsString: STRING(2); HoursAsString: STRING(2); SecondsAsString: STRING(2); END_VAR and the code: Hours := InSeconds / 60 / 60; //Derive hours Minutes := (InSeconds - (Hours * 60 * 60)) / 60; //Derive minutes Seconds := InSeconds - ((Hours * 60 * 60) + (Minutes * 60));//Derive seconds HoursAsString := UDINT_TO_STRING(Hours); MinutesAsString := UDINT_TO_STRING(Minutes); SecondsAsString := UDINT_TO_STRING(Seconds); IF LEN(HoursAsString) = 1 THEN HoursAsString := CONCAT('0',HoursAsString); END_IF; IF LEN(MinutesAsString) = 1 THEN MinutesAsString := CONCAT('0',MinutesAsString); END_IF; IF LEN(SecondsAsString) = 1 THEN SecondsAsString := CONCAT('0',SecondsAsString); END_IF; AsString := CONCAT(HoursAsString, ':'); //assemble string AsString := CONCAT(AsString,MinutesAsString); AsString := CONCAT(AsString,':'); AsString := CONCAT(AsString, SecondsAsString); funSecondsToStringTime := AsString;
Last updated: 2023-12-08

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