Post by ara32 on CODESYS 4 Linux: ^{CODESYS Forge talk (Post)}
Hello! I managed to correctly launch CODESYS Developer Studio 3.5.17, almost all functionality works. The only issue remaining is that when connecting to a device and obtaining its public key, the NCryptEncrypt function is called, which is not fully implemented in the DLL source code, resulting in the connection not being established. Currently, the code of this function in the Wine repository looks like this: SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding, BYTE *output, DWORD outsize, DWORD *result, DWORD flags) { struct object *key_object = (struct object *)key; TRACE("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx)\n", key, input, insize, padding, output, outsize, result, flags); if (flags & ~(NCRYPT_NO_PADDING_FLAG | NCRYPT_PAD_OAEP_FLAG | NCRYPT_PAD_PKCS1_FLAG | NCRYPT_SILENT_FLAG)) { FIXME("Flags %lx not supported\n", flags); return NTE_BAD_FLAGS; } if (flags & NCRYPT_NO_PADDING_FLAG || flags & NCRYPT_PAD_OAEP_FLAG) { FIXME("No padding and oaep padding not supported\n"); return NTE_NOT_SUPPORTED; } if (key_object->type != KEY) return NTE_INVALID_HANDLE; return map_ntstatus(BCryptEncrypt(key_object->key.bcrypt_key, input, insize, padding, NULL, 0, output, outsize, result, flags)); } The program crashes due to the NCRYPT_PAD_OAEP_FLAG flag. I'm not proficient in C++, but I attempted to add handling myself, and here's the result: SECURITY_STATUS WINAPI NCryptEncrypt(NCRYPT_KEY_HANDLE key, BYTE *input, DWORD insize, void *padding, BYTE *output, DWORD outsize, DWORD *result, DWORD flags) { struct object *key_object = (struct object *)key; TRACE("(%#Ix, %p, %lu, %p, %p, %lu, %p, %#lx)\n", key, input, insize, padding, output, outsize, result, flags); if (flags & ~(NCRYPT_NO_PADDING_FLAG | NCRYPT_PAD_OAEP_FLAG | NCRYPT_PAD_PKCS1_FLAG | NCRYPT_SILENT_FLAG)) { FIXME("Flags %lx not supported\n", flags); return NTE_BAD_FLAGS; } if (flags & NCRYPT_NO_PADDING_FLAG) { FIXME("No padding not supported\n"); return NTE_NOT_SUPPORTED; } BCRYPT_OAEP_PADDING_INFO oaepInfo = { 0 }; oaepInfo.pszAlgId = BCRYPT_SHA1_ALGORITHM; NTSTATUS status = BCryptEncrypt(key_object->key.bcrypt_key, input, insize, &oaepInfo, NULL, 0, output, outsize, result, flags); if (key_object->type != KEY) return NTE_INVALID_HANDLE; return map_ntstatus(BCryptEncrypt(key_object->key.bcrypt_key, input, insize, padding, NULL, 0, output, outsize, result, flags)); } Now, when calling the connection, it crashes with the error "bcrypt:BCryptEncrypt flags 0x4 not implemented." Can anyone help with enhancing this functionality or at least point me in the right direction?
Last updated: 2024-03-22

Post by jeroenaero on Problem with CodeSys Control SL Deploy Tool 4.15.0.0 ^{CODESYS Forge talk (Post)}
Hello, We just installed the new version of CodeSys Control SL Deploy Tool 4.15.0.0 but we get the following error when we try to add a VPLC. Can someone of the CodeSys team fix this issue? the object reference is not set to an instance of the object Zie het einde van dit bericht voor meer informatie over het aanroepen van JIT-foutopsporing (Just In Time) in plaats van dit dialoogvenster. ** Tekst van uitzondering ** System.NullReferenceException: De objectverwijzing is niet op een exemplaar van een object ingesteld. bij _3S.CoDeSys.RuntimeDeployTool.Views.AddNewInstanceForm.ShowAllImages() bij _3S.CoDeSys.RuntimeDeployTool.Views.AddNewInstanceForm..ctor(List1 virtualControls, List1 existingNames) bij _3S.CoDeSys.RuntimeDeployTool.Views.MainEditorTab_Operation.OnAddInstanceClick() bij _3S.CoDeSys.RuntimeDeployTool.Views.MainEditorTab_Operation.bt_add_Click(Object sender, EventArgs e) bij System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e) bij System.Windows.Forms.ToolStripButton.OnClick(EventArgs e) bij System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e) bij System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e) bij System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met) bij System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met) bij System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea) bij System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) bij System.Windows.Forms.Control.WndProc(Message& m) bij System.Windows.Forms.ScrollableControl.WndProc(Message& m) bij System.Windows.Forms.ToolStrip.WndProc(Message& m) bij System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) bij System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) bij System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ** Geladen assembly's ** mscorlib Assembly-versie: 4.0.0.0 Win32-versie: 4.8.9300.0 built by: NET481REL1LAST_C
Last updated: 2025-04-24

Post by timvh on FB string and naming ^{CODESYS Forge talk (Post)}
I see, you want to initialize the FB. To be able to initialise it like you described, you need to add the FB_Init method to your FB. (right click on the FB, select add object --> method). Then press the arrow down, to select the FB_Init (overwrite default implementation). In the VAR_INPUT section of this method, add the variable --> Tag : STRING; Then in the code section of this method add: THIS^.Tag := Tag; // copy initial value to local variable in FB Search Google if you want to know more about FB_Init. PS, reflection + instance path, is also an option if you want to get the full name of the instance (path) of the Function Block. See: https://content.helpme-codesys.com/en/CODESYS%20Development%20System/_cds_pragma_attribute_instance_path.html
Last updated: 2024-09-30

Post by gseidel on CNC / G01 Speed is very slow (or go-stop motion) in Continuous short segment . ^{CODESYS Forge talk (Post)}
Hi k2saki, I would recommend to have a look at SMC_SmoothMerge, followed by SMC_SmoothPath. SmoothMerge will combine the small G1 elements to longer splines, SmoothPath will avoid stops between the splines. https://content.helpme-codesys.com/en/libs/SM3_CNC/Current/SM_CNC_POUs/SoftMotion-CNC/SoftMotion-Function-Blocks/SMC_SmoothMerge.html For SmoothMerge to work, you have to configure a tolerance, i.e. by how much it may deviate from the lines. To graph the output of the interpolator, you can use the trace. (Add a trace object below the application, and add the variables you are interested in to the trace.) Best regards, Georg
Last updated: 2024-04-30

After un upgrade of "CODESYS Control for Raspberry Pi MC SL" from v4.7 to v4.9 SysFileOpen function stopped working ^{CODESYS Forge talk (Thread)}
After un upgrade of "CODESYS Control for Raspberry Pi MC SL" from v4.7 to v4.9 SysFileOpen function stopped working
Last updated: 2023-08-22

Post by sedoerr on Check For Open Dialogs On Client ^{CODESYS Forge talk (Post)}
You need to create a function around this function to check the dialogs you use in your program. That's the way i have done it.
Last updated: 2023-09-26

Post by felipemsgarcia on Axis EtherCAT address ^{CODESYS Forge talk (Post)}
Hello, I'd like to write some parameters to axes from inside a function block where I passed axis by reference, using ETC_CO_SdoWrite. Is it possible to get the device address from inside the function block? Please see example below. Thank you!
Last updated: 2025-03-06

Post by ken-san-sg on Function Block Method call from OPC UA Client ^{CODESYS Forge talk (Post)}
Hello, Is it possible to call mathod which is implemented in Function Block POU from OPC UA client?
Last updated: 2025-07-18

Can a table be used as an input to date and time variables on a function block diagram? ^{CODESYS Forge talk (Thread)}
Can a table be used as an input to date and time variables on a function block diagram?
Last updated: 2022-09-15

Why do I get C0434: Function block AbstractFunctionBlock is ABSTRACT and cannot be instantiated for a Reference? ^{CODESYS Forge talk (Thread)}
Why do I get C0434: Function block AbstractFunctionBlock is ABSTRACT and cannot be instantiated for a Reference?
Last updated: 2022-08-14

Can a table be used as an input to date and time variables on a function block diagram? ^{CODESYS Forge talk (Thread)}
Can a table be used as an input to date and time variables on a function block diagram?
Last updated: 2022-09-15

Function block that after 2 rising edge it gives a bool and resets every 3 seconds ^{CODESYS Forge talk (Thread)}
Function block that after 2 rising edge it gives a bool and resets every 3 seconds
Last updated: 2023-04-07

Post by smartcoco on Function block method default arguments ^{CODESYS Forge talk (Post)}
It's not that you missed something, it's that CODESYS doesn't have this feature. I hope CODESYS can add this feature. We also hope to add function overload functionality.
Last updated: 2023-12-22

Post by atone on System Date and Time Function ^{CODESYS Forge talk (Post)}
SysTimeRtcConvertUtcToLocal is marked as obsolete, but there's not hint on the actual implementation. Which function should I use instead? Edit: even the new online help is still using SysTimeRtcConvertUtcToLocal as example...
Last updated: 2024-01-05

Post by smartcoco on Bit / Bool data types in function parameters ^{CODESYS Forge talk (Post)}
Memory addressing is measured in bytes, with BOOL occupying one byte. BIT is quite unique as it occupies one bit. So, try not to use BIT in the program. You can use the Unpack function to solve your problem.
Last updated: 2024-01-18

Post by ragarcia on Error while using UpdateConfiguredIPSettings to change IP address ^{CODESYS Forge talk (Post)}
I did check I cannot see any error log. It is when executing the Reconfigure function that I get an error as return from that function.
Last updated: 2024-02-19

Post by aniket-b on EtherCAT drive not moving ^{CODESYS Forge talk (Post)}
I have EtherCAT drive communicating properly without an error but when I use MC_JOG function, it is not moving at all, I can use MC_Power function and drive does respond to that but other functions are not working,. Please suggest what is wrong here.
Last updated: 2024-03-04

Post by acc00 on Variable Sync Issue In Soft Plc Redundancy ^{CODESYS Forge talk (Post)}
Hi arundara, I'm also experimenting with Redundandcy. Is the sync variable function the following: "RedundancySynchronizeData()" ? Does the Task time increase a lot when you activate the sync function?
Last updated: 2024-03-11

Post by mmpl on CAA Library Function ^{CODESYS Forge talk (Post)}
I want to change date and time format. I am using CAA storage library function. I am not receiving any value in to output.
Last updated: 2024-04-16

Post by davelewis104 on J1939 SA ^{CODESYS Forge talk (Post)}
I am curious if there is a function block or function that will allow me to monitor the J1939 CANBus and pull out all of the SAs that are on a particular bus, without having to have them loaded in the J1939 manager?
Last updated: 2024-04-30

Post by kporter on Exception with ReadNbrSlaves function ^{CODESYS Forge talk (Post)}
I've been playing with the code using the Windows soft master and the ReadNbrSlaves function block seems to work here: https://content.helpme-codesys.com/en/libs/EtherCATStack/4.8.0.0/EtherCATStack/pou-ETCMasterStack/DynamicConfig/fld-DynamicConfig.html
Last updated: 2025-10-31

Post by sb879 on Non-formal invocation of function blocks in CODESYS ^{CODESYS Forge talk (Post)}
Is it possible to do non-formal invocation of function blocks in CODESYS? I get an error when I try, see the attached pic. Also attached a pic from IEC 61131-3 describing non-formal invocations.
Last updated: 2025-12-04

Post by sb879 on Non-formal invocation of function blocks in CODESYS ^{CODESYS Forge talk (Post)}
Is it possible to do non-formal invocation of function blocks in CODESYS? I get an error when I try, see the attached pic. Also attached a pic from IEC 61131-3 describing non-formal invocations.
Last updated: 2025-12-04

Post by somlioy on Non-formal invocation of function blocks in CODESYS ^{CODESYS Forge talk (Post)}
No that is not possible for function blocks, although it is possible to that with methods and functions as you see in your second pic.
Last updated: 2025-12-05

Post by timvh on Alarmmanagement – Dynamic Alarm List ^{CODESYS Forge talk (Post)}
Probably best to create an alarm template for your motor function block. Then automatically the alarm manager can be filled with all the alarms for all instances of the motor function blocks (based on the created alarm template). See: https://content.helpme-codesys.com/en/CODESYS%20Visualization/_cds_obj_alarm_group_template.html
Last updated: 2026-04-25

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