Post by hanoues on setting date and time on CPX-E ^{CODESYS Forge talk (Post)}
Hello, Can anybody here tell me how to modify the time and date on my CPX-E? I used the code I found on CODESYS online help, but it doesn't work. What am I missing? FUNCTION current_date_time : STRING VAR stUTC_Timestamp : SysTime; //utc time // ULINT#1528280694913 stLocal_TimeStamp : SysTime; //local time but is in general equal // ULINT#1528280694913 stdNow : SysTimeDate; //local time in an object to access each number (day, month...) dtNow : DATE_AND_TIME;//DT#2018-6-6-10:24:54 todNow : TIME_OF_DAY; // TOD#10:24:54.913 datNow : DATE; // D#2018-6-6 END_VAR SysTimeRtcHighResGet(stUTC_Timestamp); // ULINT#1528273494913 SysTimeRtcConvertHighResToLocal(stUTC_Timestamp, stdNow); //convert UTC ULINT to Local SysTime // stdNow.wYear = UINT#2018 // stdNow.wMonth = UINT#6 // stdNowy.wDay = UINT#6 // stdNow.wHour = UINT#10 // stdNow.wMinute = UINT#24 // stdNow.wSecond = UINT#54 // stdNow.wMilliseconds = UINT#913 // stdNow.wDayOfWeek = UINT#3 // stdNow.wYday = UINT#157 SysTimeRtcConvertDateToHighRes(stdNow, stLocal_TimeStamp); // ULINT#1528280694913 dtNow := TO_DT(stLocal_TimeStamp / 1000 ( ms )); // DT#2018-6-6-10:24:54 todNow := TO_TOD(stLocal_TimeStamp MOD TO_ULINT(T#1D)); // TOD#10:24:54.913 datNow := TO_DATE(dtNow); // D#2018-6-6 (convert to appropriate string) current_date_time := concat('$N[', TO_STRING(dtNow)); current_date_time:= concat(current_date_time,'.'); current_date_time:= concat(current_date_time, TO_STRING(stdNow.wMilliseconds)); current_date_time:= concat(current_date_time,'] - '); RETURN;
Last updated: 2024-05-21

Post by paulorb on STRUCT AT %MW1000 ^{CODESYS Forge talk (Post)}
Hi I am trying to use STRUCT to parse commands from Modbus/TCP, Modbus client will fill the bytes related to a specific command (type, parameters), then PLC (Codesys) will access the command parameters. A STRUCT will simplify a lot the process of parsing the data, so I don't need to parse byte per byte, address will be mapped to a struct and I can use it for parsing the data. From what I understood, the compiler does not allow me to specify the location of the struct for a %MW register. VAR_COMMAND AT %MW1002: structGenericModbusCommand; This will throw: Bad declaration, use '%ML' for 'structGenericModbusCommand' variable But If I change it to %ML, when you go online you see that it is actually allocating the struct in another memory address. When we go online, on GVL we can see: VAR_COMMAND. structGenericModbusCommand %ML1002 commandType COMMANDTYPE %MB8016 ... %MB8020 I am not specifying a pointer or a reference it is a struct type, why is it mapping to a %MW location (random one). How can I control where it is mapping to? I need a consistent way to map STRUCT to specific modbus address. Is it possible? Thanks, Paulo Note I am using a Codesys OEM: Schneider Machine Expert Logic Builder (M241)
Last updated: 2024-08-13

Post by timvh on Active alarm access in ST ^{CODESYS Forge talk (Post)}
See https://forge.codesys.com/forge/talk/Engineering/thread/280fdf4806/#9fe5 And https://forge.codesys.com/prj/codesys-example/alarm-manager/home/Home/ The application should contain: - an FB which implements AlarmManager.IAlarmFilterCriteria (see example - FB_AlarmFilterCriteria) - an FB which implements AlarmManager.IAlarmManagerClient (see example - FB_AlarmManagerClient) Then register the client and get the information through this client. VAR xInit : BOOL := TRUE; udiResult : UDINT; fbAlarmFilterCriteriaAll : FB_AlarmFilterCriteria; fbAlarmManagerClientAll : FB_AlarmManagerClient; itfAlarmManagerClientAll : IAlarmManagerClient := fbAlarmManagerClientAll; xAlarm1 : BOOL; xAlarm2 : BOOL; xWarning : BOOL; iNrOfAlarmsInAlarmList : INT; iNrOfActiveAlarmsInAlarmList : INT; paitfAlarm: POINTER TO ARRAY [0..0] OF AlarmManager.IAlarm; iAlarmIndex : INT; eAlarmState: AlarmManager.AlarmState; END_VAR IF xInit THEN xInit := FALSE; fbAlarmManagerClientAll.m_itfAlarmFilterCriteria := fbAlarmFilterCriteriaAll; // register alarm client to get updated about alarm status / changes udiResult := AlarmManager.g_AlarmHandler.RegisterClient(itfAlarmManagerClientAll, 0, 0); END_IF // Polling the number of alarms udiResult := AlarmManager.g_AlarmHandler.GetActiveAlarms(itfAlarmManagerClientAll, parritfActiveAlarms => paitfAlarm, iCountActiveAlarms => iNrOfAlarmsInAlarmList); iAlarmIndex := 0; iNrOfActiveAlarmsInAlarmList := 0; WHILE iAlarmIndex < iNrOfAlarmsInAlarmList DO eAlarmState := paitfAlarm^[iAlarmIndex].GetState(); IF eAlarmState = AlarmManager.AlarmState.Active OR eAlarmState = AlarmManager.AlarmState.ActiveAcknowledged THEN iNrOfActiveAlarmsInAlarmList := iNrOfActiveAlarmsInAlarmList + 1; END_IF iAlarmIndex := iAlarmIndex + 1; END_WHILE
Last updated: 2025-04-23

Post by tcarlbom on Read tag values using external program ^{CODESYS Forge talk (Post)}
This is my first time posting in this forum and I am new to codesys. I am a fullstack developer and I am trying to figure out how the following. What would be the best approach to create a own/custom tag browser? Either directly in codesys ide or using a separate custom program (perhaps a winforms application). 1.a. Shall I parse the .project xml file to get a list of all tags in the project? 1b. Shall I use python scripting in codesys ide to get a list of tags? Once one have selected some tags. These tags shall be exposed to a python program which will be acting as a edge computer. It’s fine to be able to import a file. 2a. I found a library called codesys plchandler which (as I understand) acts a rest api server. Is this correct? If so, can I query the api from a custom python script, ie can query what tags exist in project and or read tag values? My research so far. From earlier projects I know that using opc ua would be perfect for this but from my opinion it’s bloating the plc since it’s resource intensive. So opc ua is not an option. Codesys automation server is neat. But I don’t want to rely on some cloud services and subscription based pricing. There seem to be several interesting codesys libraries like mqtt, tcp server and NVL sender which would help me expose plc tags. But all have a common problem. One have to manually write what tags which will be used in these function blocks. I want a similar experience like “selecting” tags in the opc ua or the codesys tracing, ie a tag browser.
Last updated: 2024-06-28

Post by trusty-squire on SysProcessCreate2 on Linux runtime ^{CODESYS Forge talk (Post)}
Hi, I'm trying to launch a continuously running python script from Codesys and monitor the script status inside the Codesys runtime (running on a Linux enviroment). For now I'm testing with the below to emulate a continuously running Python script: #test.py i = 0 while True: i += 1 I'm able to successfully run the script using SysProcessExecuteCommand2 (I can see the Python process running in the task manager). However, this "freezes" the Codesys execution of the task - it sits on that command and will not continue until the Python script ends. I've proven this works by using the task monitor to kill the process, then Codesys continues on happily through the task. What I want to do is use SysProcessCreate2 to set up the Python script as a background task and monitor the process using SysProcessGetState. This always results in the error "ERR_OPERATION_DENIED". I know that I'm able to execute commands (as above), so my config should be correct. Is SysProcessCreate2 functional on a Linux environment? Is there something in the config file I'm missing? Here's my "working" code that uses SysProcessExecuteCommand2: VAR bTest : BOOL; sCommand : STRING := '/usr/bin/python3 /var/opt/codesys/PlcLogic/Application/test.py'; refCommand : REFERENCE TO STRING REF= sCommand; sOutput : STRING; refOutput : REFERENCE TO STRING REF= sOutput; result : RTS_IEC_RESULT; END_VAR IF bTest THEN SysProcessExecuteCommand2( pszCommand:= refCommand, pszStdOut:= refOutput, udiStdOutLen:= SIZEOF(sOutput), pResult:= ADR(result) ); bTest:= FALSE; END_IF And here's the code that always results in the ERR_OPERATION_DENIED error: VAR bTest : BOOL; sApp : STRING := '/usr/bin/python3'; sCommand : STRING := '/var/opt/codesys/PlcLogic/Application/test.py'; refApp : REFERENCE TO STRING REF= sApp; refCommand : REFERENCE TO STRING REF= sCommand; hResult : SysProcess.RTS_IEC_RESULT; hHandle : SysProcess.RTS_IEC_HANDLE; END_VAR IF bTest THEN hHandle := SysProcessCreate2( pszApplication:= refApp, pszCommandLine:= refCommand, ulFlags:=SYSPROCESS_CREATEFLAG_HIDDEN, pResult:= ADR(hResult) ); bTest:= FALSE; END_IF Here's the relevant section from the config file at /etc/codesyscontrol/CODESYSControl.cfg: [SysProcess] Command=AllowAll Appreciate any support or ideas. Thanks!
Last updated: 2025-03-16

Post by rita56re on →Temu Coupon Code $100 Off [^•^''act892435^•^''] First Order in Canada→→ ^{CODESYS Forge talk (Post)}
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Last updated: 2024-10-26

Post by rita56re on Temu coupon code ⁠╭⁠☞ {act892435}: ~||$100 off in Canada ^{CODESYS Forge talk (Post)}
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Last updated: 2024-10-26

Post by rita56re on Temu coupon code ⁠╭⁠☞ {act892435}: ~||$100 off in Canada ^{CODESYS Forge talk (Post)}
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Last updated: 2024-10-26

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 mp9876 on Device logon problem following fresh install ^{CODESYS Forge talk (Post)}
All screenshots are enclosed in MS Word document. NOTE; 4 questions features at the end. Any assistance would be greatly appreciated! Hi everyone, I am still having device logon problem following a fresh install Here are the STEPS I went through following a FRESH CODESYS Win 64 3.5.19.60 install on a different computer. ‘Gateway not configured properly’ when attempting to REFRESH from the Users and Groups. Then did Gateway manage and confirmed it was ok: This message popped out as it was a fresh install: YES then: Initially went with Administrator twice (user & password) but it did not like it. No device is responding to …: Continued by setting a new user Pressed OK and obtained the following message: Stopped and Restarted PLC at that point: Obtained the following: Attempted to login a 2nd time without success. Then I scanned the network to see if matching device can be detected: Only way to get it detected was to remove the tick in the ‘Hide non-matching devices…’ Attempted a WINK but got a return like this one: REFRESH either @ Users and Groups or @ Access Rights returns: Then created user ‘mp’ at Project level ang logged in: Understandably device user mp9876 was not valid for the Project. Device information A few questions comes to my mind following these connection attempts: 1- Gateway not configured properly message pops out because of a non-compatible device ? 2- Why would the device not be compatible ? 3- Any way to make the device compatible ? 4- Any ideas on how to get this connectivity problem to the device solved ?
Last updated: 2024-03-17

Post by elektron785 on GPIO mit Codesys Virtual Control for Linux ARM64 SL ^{CODESYS Forge talk (Post)}
Hallo zusammen, ich möchte an einem Entwicklungsboard auf dem der i.MX 8M Plus von NXP aufgesteckt ist die vier zur Verfügung gestellten GPIOs als Ausgänge verwenden. Ich habe mir dazu die Readme-Datei des GPIO-Beispiels von "C:\Program Files\CODESYS 3.5.20.40\CODESYS\CODESYS Control SL Extension Package\4.14.0.0\Examples\GPIO" angeschaut Die Übersicht der verfügbaren GPIOs sieht folgendermaßen aus - wobei ich das auf die reduziert habe, die für mich von Interesse sind: gpiochip0: GPIOs 0-31, parent: platform/30200000.gpio, 30200000.gpio: gpio-0 (SODIMM206 ) gpio-1 (SODIMM208 ) gpio-2 ( ) gpio-3 ( ) gpio-4 ( |sd-vsel ) out hi gpio-5 (SODIMM210 ) gpio-6 (SODIMM212 ) gpio-7 (SODIMM216 ) gpio-8 (SODIMM218 ) gpio-9 ( ) gpio-10 ( ) gpio-11 (SODIMM16 ) gpio-12 (SODIMM155 |regulator-usb1-vbus ) out lo gpio-13 (SODIMM157 ) gpio-14 (SODIMM185 |regulator-usb2-vbus ) out hi gpio-15 (SODIMM91 )** Füge ich nun das GPIO (1 Bit)-Gerät in meinem Codesys-Programm hinzu funktioniert der Bus solange bis ich die Richtung in den GPIO-Parametern von "not used" auf "Output" stelle (siehe Bild gpio_parameter). Dann funktioniert nach Download der Bus nicht mehr. Gibt es noch eine andere Möglichkeit das zu steuern oder muss ich noch Einstellungen tätigen? Für die Zeile mit dem echo (export/unexport) aus dem Beispiel fehlen mir trotz sudo die Zugriffsrechte. "The Kernel Linux has deprecated GPIO user space SysFS. However, the kernel config CONFIGGPIOSYSFS is still enabled on Toradex's BSP to support customers using it in their legacy applications. You can check the configuration by running zcat /proc/config.gz | grep CONFIGGPIOSYSFS. For GPIO access from userspace, the new char device API, also known as libgpiod, must be used." Dies steht in der Verwendung der GPIOs - eine Ausführung des zcat-Kommandos liefert ein =y zurück.
Last updated: 2025-03-17

Post by timvh on VisuElems.CurrentUserGroupId is not stable ^{CODESYS Forge talk (Post)}
I'm not sure what you are trying to do, but getting the CurrentUserGroupID like this will not work, because there could be multiple Visualization Clients and each can have a different user that is logged in. Also when you go online with CODESYS and open an Visualization, this is counted as a client. Probably this is the reason you see it changing. What you can to is "iterate" over all clients and then see which user is logged in on which visualization Client. For this you need to add the Visu Utils library to the project and call the FbIterateClients. See https://content.helpme-codesys.com/en/libs/Visu%20Utils/4.4.0.0/VisuUtils/VisuActionUtilities/Function-Blocks/FbIterateClients.html fbClientIteration( xExecute := x_Execute, itfClientFilter := VU.Globals.AllClients, itfIterationCallback := fbIterator, xDone => x_Done, xBusy => x_Busy, xError => x_Error, eError => e_Error); The fbIterator, in the example above, should be an instance of an FB which you have created yourself and this must implement VU.IVisualizationClientIteration. For example: FUNCTION_BLOCK FB_ITERATOR IMPLEMENTS VU.IVisualizationClientIteration Then automatically the corresponding methods will be called. In the HandleClient Method, you will get an interface to the client(s) and then you can get the current user through this interface: itfClient.UserGroupId You can also get the UserName: itfClient.UserName
Last updated: 2023-11-14

Post by open on How to create a stopwatch? ^{CODESYS Forge talk (Post)}
Hi @ph0010421, I tried the program the TimeTaken is calculated when stop is triggered. I want the TimeTaken to be continuously calculated and counting when a BOOL variable is true. I tried to program this way: Declaration: PROGRAM PLC_PRG VAR bStartStop: BOOL := FALSE; // Start/Stop button bReset: BOOL := FALSE; // Reset button bRunning: BOOL := FALSE; // Flag indicating whether the stopwatch is running tStartTime: TIME; // Variable to store the start time tElapsedTime: TIME; // Variable to store the elapsed time END_VAR Implementation: // Main program logic IF bReset THEN // Reset button pressed, reset the stopwatch bRunning := FALSE; tElapsedTime := T#0s; ELSIF bStartStop THEN // Start/Stop button pressed, toggle the running state IF bRunning THEN // Stop the stopwatch bRunning := FALSE; ELSE // Start the stopwatch bRunning := TRUE; tStartTime := tElapsedTime; END_IF; END_IF // Update the elapsed time when the stopwatch is running IF bRunning THEN tElapsedTime := tElapsedTime + T#1s; // Adjust the time increment as needed END_IF However counting of the seconds is not accurate. I tried changing the main task cycle time interval to 1000ms. The counting of seconds become slower. (see attached) Please help
Last updated: 2023-12-08

Post by jrsantab on Remote connection to ifm PLC & HMI ^{CODESYS Forge talk (Post)}
We have finally solved the problem. The version of the Gateway in the computer that worked (3.5.11.0) and the one that didn't (3.5.17.30) was different. We have three different Codesys 3.5 versions installed because we work with different controllers. I believe that, depending on the sequence you follow to install the versions you get a different Gateway version. To solve the problem you first have to disable the "obsolete" services. Open services, serach for (in our case) CODESYS Gateway V3 Version 3.5.11.0 CODESYS ServiceControl Version 3.5.11.0 I stopped the services and changed to Manual Start. Then you have to create the new services. In our case, from a Command Prompt session (cmd): SC CREATE "Codesys GatewayService Rigual" binpath="C:\Program Files\CODESYS 3.5.17.30\GatewayPLC\GatewayService.exe" and then SC CREATE "CODESYS ServiceControl Version 3.5.17.30" binpath="C:\Program Files\CODESYS 3.5.17.30\GatewayPLC\CODESYSControlService.exe" remember also to set them as Automatic Start!
Last updated: 2024-04-22

Post by struccc on Inheritence of struct, ^{CODESYS Forge talk (Post)}
Strangely reminds me to my struggles... Want to do something "Elegant", reusable, universal, practical... In CODESYS??? 🙃 First of all, before you get too deep into this: If you could find a way, to make a "universal" log entry object, containing the variable length data itself, you wouldn't be able to store them in an array, or access them like an array, or pass them by value as a type. (please correct me, if I'm wrong, incorrect, or not precise). Because... Basically you can't declare a type with variable memory footprint. This is a very deeply embedded characteristic of CODESYS, and all IEC 61131-3 systems, and it has many reasons behind. And yes, it is a very common trap / mistake, to forget about. So, with a log entry - I guess - it's pretty much the purpose: store data and metadata together, and then handle it in a uniform way. There are ways to handle this, really depends on what is the purpose. For example: 1. Entries with fixed length (Maybe it is not as evil as it looks for the first time. Depends on the situation, but definitely the fastest and easiest code) You can have your base object, with an internal, fixed length string or byte array variable. I would go with a string, and call it _Data.; And then you can make properties, like As_Bool, As_Int, As_Real... In the 'set' accessors, you can do like: pReal := ADR(_Data); // POINTER TO REAL As_Real := pReal^; In the 'get' accessors, evidently: pReal := ADR(_Data); // POINTER TO REAL pReal^ := AS_Real; Or, can use ANY type, if you are not obsessed with variable / property like access: 2. Fixed length, but nicer First, some disadvantage to any values: - You can only assign values with write access. No literals, constants, etc... - Can only be used as input variable of function or function_block - Therefore, stg you could reach: LogEntry.Initialize (stVariable|rVariable|iVariable|xVariable); Just a quick example (it's funny to play with ANY): Be careful it was not tested. I'm sure can be done better, please feel free to comment FUNCTION_BLOCK FB_LogEntry VAR_INPUT MsgClass : UDINT; // Like DEBUG, WARN, ERR... MsgCode : UDINT; // Like Errors.ERR_FAILED MsgTS : DT; // The timestamp END_VAR VAR _Data : STRING(80); // Our data container... _Descr : __SYSTEM.AnyType; // A standard descriptor for our data, containing TYPE_CLASS, address and size END_VAR METHOD SET_Value : BOOL VAR_INPUT anyValue : ANY; END_VAR VAR I : DINT; diSize : DINT; pStr : POINTER TO STRING; END_VAR // Check what did we receive in anyValue. diSize := anyValue.diSize; // We use constant __SYSTEM.TYPE_CLASS to identify the received data type CASE anyValue.TypeClass OF // Maybe we don't want to store references, pointers... and who knows what else... __SYSTEM.TYPE_CLASS.TYPE_REFERENCE, __SYSTEM.TYPE_CLASS.TYPE_POINTER : SET_Value := FALSE; // For the planned types we will be just fine. TYPE_CLASS.TYPE_BOOL, TYPE_CLASS.TYPE_INT, TYPE_CLASS.TYPE_REAL : SET_Value := TRUE; // Optionally string can be handled separately, maybe we have received STRING(255), but practically it is shorter than 80 bytes... TYPE_CLASS.TYPE_STRING : pStr := anyValue.pValue; diSize := MIN(anyValue.diSize, LEN(pStr^) + 1); // Get the actual size, and rewrite the received structure member diSize := MIN(SIZEOF(_Data), diSize); // Can chop down the received string to our length... SET_Value := TRUE; // Maybe want to play a little bit more here, to narrow down or convert datatypes, etc... // Or just reject any other datatype ELSE SET_Value := FALSE; RETURN; END_CASE // Fail, if the received value is still larger than our container... IF diSize > SIZEOF(_Data) THEN SET_Value := FALSE; END_IF // Here we should be ok, just set up the _DataType structure, and copy store the data IF SET_Value THEN THIS^._Descr.TypeClass := anyValue.TypeClass; // The typeclass is already filtered THIS^._Descr.diSize := diSize; // Set the (adjusted) size THIS^._Descr.pValue := ADR(_Data); // This will not change, just to be sure {IF defined (pou:SysMem.SysMemCpy)} SysMem.SysMemCpy(_DataType.pValue, anyValue.pValue, TO_UDINT(anyValue.diSize)); {ELSE} // An ugly replacement MemCpy FOR I:=0 TO diSize - 1 DO _Descr.pValue[I] := anyValue.pValue[i]; END_FOR {END_IF} // Otherwise, in case of failure maybe better set an empty value (overwrite the former data descriptor) ELSE THIS^._Descr.TypeClass := TYPE_CLASS.TYPE_NONE; THIS^._Descr.pValue := ADR(_Data); THIS^._Descr.diSize := 0; END_IF METHOD GET_Value : BOOL VAR_INPUT anyValue : ANY; END_VAR VAR I : DINT; END_VAR // We just have to serve the data, using the __System.AnyType structure received // Roughly we can say: IF anyValue.TypeClass = _Descr.TypeClass AND anyValue.pValue <> 0 // This should not be possible, already taken care of by Codesys (?) THEN {IF defined (pou:SysMem.SysMemCpy)} SysMem.SysMemCpy(anyValue.pValue, _DataType.pValue, TO_UDINT(MIN(anyValue.diSize, _Descr.diSize))); {ELSE} // An ugly replacement MemCpy FOR I:=0 TO MIN(anyValue.diSize -1, _Descr.diSize - 1) DO anyValue.pValue[I] := _Descr.pValue[I]; END_FOR {END_IF} // Just to make sure, that our string is terminated... IF anyValue.TypeClass = TYPE_CLASS.TYPE_STRING THEN anyValue.pValue[anyValue.diSize -1] := 0; END_IF GET_Value := TRUE; RETURN; END_IF // ... But can play more CASE anyValue.TypeClass OF TYPE_CLASS.TYPE_WSTRING : ; // Could do conversion TYPE_CLASS.TYPE_XSTRING : ; // Wow, I have to figure this out TYPE_CLASS.TYPE_PARAMS : ; // BTW, what is this, how to use? TYPE_CLASS.TYPE_ANYNUM : ; // ... END_CASE Be careful it was not tested. I'm sure can be done better, please feel free to comment 3. If you really want to do entries with variable size In a standard environment, it would be similar to the previous, except you dont have the container variable _Data, just use a pointer, practically _Descr.pValue At Initialize (SET_Value), you have to allocate the memory, would be easy with SysMem.SysMemAlloc - nowadays with SysMem.SysMemAllocData -, and you make sure to release it after use with SysMem.SysMemFreeData... SysMemAlloc was already hidden. The problem with this, that sooner or later your application will totally fragment the dynamic memory, and fail... So should look for some form of dynMaybe MemUtils.MemoryManager (I am not sure what is the status and the future of it). 4. You will end up by a LogEntry Factory ... 5. You could still have a look at this IEC Snippets BTW, Standard Codesys Logger is not a bad choice either. If you are really interested, I share some more code / library.
Last updated: 2025-03-09

Post by struccc on Application failing to boot after system reboot ^{CODESYS Forge talk (Post)}
I started to experience the same issue, after upgrading to 3.5.19 , and still persists with 3.5.20.3 , using CodesysControlWinV3 x64 on Windows. Unfortunately, this is a live application, normally it is running for months without interruption - so it was a surprise at the last cold start... It was not possible to go online with the original version, so I couldn't see the application, or system status, just the log message. First time I manually clean the Application from the PlcLogic directory (there was no coredump file in there), then I could start the runtime service, and do a fresh download, and set the bootproject. I could not try a cold system reboot - it's in a 24/7 production environment, and I was under heavy pressure to start... What I did, I have created a backup from the * complete * runtime directory, from the failed, and fixed version - before and after download. This directory in my case C:\ProgramData\CODESYS\CODESYSControlWinV3x64\55096128 - At the next shutdown, it was sufficient to copy back this backup completely, and could start the runtime service afterwards. Ugly, but local staff with some skills can do it without programming tool... I don't store any live data, configuration, log files, persistent data in this directory - the only reason I need this is to edit the CodesysControl... .cfg file.... And to see the logfiles in emergencies like this. The application concerned doesn't use any retain area. - exactly for these reasons - Maybe that is causing the problem with the newer runtime versions As far as I see, this problem occurs only if the power of the Windows PLC is interrupted without a proper shutdown. Unfortunately, this can happen sometimes. The newer versions, seems tp modify CodesysControl.cfg on the fly, and register the applications, and bootproject information after download. (I don't really see CodesysControl.cfg a proper location for this... but that's just my feeling) So now I had a look at CodesysCotrol.cfg on my laptop and I found: [CmpRetain] ;Retain.SRAM.Size=0x200200 ;Retain.SRAM.Address=0xFA3C5776 ;SimulateSRAM=1 [CmpApp] ;Bootproject.CreateOnDownload=0 ;Bootproject.StoreOnlyOnDownload=0 ;Bootproject.InvalidateByRename=1 ;Bootproject.InvalidateBySetting=1 ;Bootproject.InvalidateNever=0 ;PersistentForce=0 ;RetainType.Applications=InSRAM ;RetainType.Applications=OnPowerfail ;RetainType.Applications=None ;Exception.Hardware.GlobalStop=1 Application.1=MyTestAppNoRetain The last line appeared after download and boot project creation. Maybe... Should set RetainType.Applications=None? I wonder about all these settings, but... Will write separately about it. I hope this helps a little...
Last updated: 2024-11-21

Post by patrik on Wish: CODESYSControl.cfg - again ^{CODESYS Forge talk (Post)}
Really good post. I hope that it gets seen by CoDeSys staff. I often find the documentation lacking when it comes to using CoDeSys in more complex ways. If using standard "basic PLC functionality", then it's fine and functions are documented in a sufficient way. Once you go outside of that bubble then I find the documentation not enough. CODESYSControl.cfg is a good example of this. And why isn't more of this integrated in the IDE. like changing port of the webserver. Why is it hidden in this file and not accessible through the IDE. It feels like a layer of complexity purposely left in so you don't change it if you don't know what you are doing. Like the argument is if you have the know-how to find the file you have the know-how to edit it. I find the documentation lacking when it comes to more complex libraries too. Like the element collections library. there is parameters I still don't quite know what they do. I can't find any documentation about them. There is an example project to download from CoDeSys so you can see how you are supposed to set your factories up. I leave some parameters like it is in the example. Should I? I don't know. Does it work. Yes. But I could perhaps create memory leaks if I get something wrong and I don't see that until way later. In the create method of your element factory you have a function called __vfinit and you just have to accept that it works. Why can't I get insight in what it does through documentation? Don't CoDeSys want us to know how these work so we can't use them to accidentally break something? I find the error logging lacking too. I've had the CoDeSys service crash but it doesn't say why. I've seen windows noticing the crash but no error code was sent or error message. Also in my current issue where the application fails to start after power outage. I can see in the log that it fails to load retain in the application as one log entry and application failing to start as another. But why? Why does loading the retain fail? give me more information! Is it just a skill issue with me? I don't know. If it is then I'd still want CoDeSys to step up their game when it comes to documentation. I'm sorry if a lot of frustration comes though in this post. I really like the product and what I can do with it compared to other PLC brands.
Last updated: 2024-11-21

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Last updated: 2024-10-26

Post by timvh on Detect "Cancel" Press in FileOpenSave Dialog ^{CODESYS Forge talk (Post)}
Maybe there is a better way, but a long time ago I created a test application that worked like this: With a button I opened the dialog and I added a "Input configuration - OnDialogClosed" "Execute ST-Code" action to this same button which called the following Function when the dialog was closed: F_OnFileDialogClosed(pClientData); Below this Function which handled the result: // This function is called from the visualization when the dialog is closed. FUNCTION F_OnFileDialogClosed : BOOL VAR_INPUT pClientData : POINTER TO VisuElems.VisuStructClientData; END_VAR VAR dialogMan : VisuElems.IDialogManager; FileOpenCloseDialog : VisuElems.IVisualisationDialog; result : VisuElems.Visu_DialogResult; _sFileName : STRING(255); END_VAR // 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 // Original code gvlFile.FileListProvider(); _sFileName := CONCAT(gvlFile.FileListProvider._stDirectory, gvlFile.FileListProvider.stFile); // do something with this file name... END_IF END_IF END_IF
Last updated: 2023-09-19

Post by ragarcia on Error while using UpdateConfiguredIPSettings to change IP address ^{CODESYS Forge talk (Post)}
Hello everyone, I am trying to change dynamically by code the IP address of a Weidmuller controller. So I am basically using IoDrvEthernet library to use UpdateConfiguredIPSettings function but I am getting constantly the 'INVALID_STATE' error. Even though I am following a procedure it should work: * First I added on the config file of codesys the following: [SysSocket] Adapter.0.Name="eth0" Adapter.0.EnableSetIpAndMask=1 Adapter.1.Name="eth1" Adapter.1.EnableSetIpAndMask=1 * Secondly I am first disabling the ethernet interface by using Ethernet_0.Enable = FALSE and then executing DED.Reconfigure. After that, I run the Ethernet_1.updateConfiguredIPSettings Code: Ethernet_1.Enable:= EnableDisable; Reconfigure(xExecute:= TRUE, itfNode:= Ethernet_1, xError=> ErrorReconfigure, eError=> ErrorCodeReconfigure); IF Reconfigure.xDone THEN ErrorCodeIP:= Ethernet_1.UpdateConfiguredIPSettings(IPAddress:= newIP, SubnetMask:= newMask, Gateway:= newGW); END_IF IF Reconfigure.xDone OR Reconfigure.xError THEN Reconfigure(xExecute:= FALSE); END_IF Ethernet_1.Enable:= TRUE; Reconfigure(xExecute:= TRUE, itfNode:= Ethernet_1); IF Reconfigure.xDone OR Reconfigure.xError THEN Reconfigure(xExecute:= FALSE); END_IF Can someone help me? Thank you. All I am trying is to find a way to change dynamically with code, the IP addresses of my controller (2 ethernet ports).
Last updated: 2023-12-11

Post by levih on DocScripting ^{CODESYS Forge talk (Post)}
Hello I'm trying to use the DocScripting collection in Codesys. I've made it work on one PC(1) for the 3.5.16.4 version of the script collection. But when I try the same setup on another PC(2), I get an error message: Error loading Python DLL: D:\SCRIPTING\3.5.16.40\python27.dll (error code 14001) My setup on both PC's is thus: 1. Downloaded and installed Python 2. Copied the folder with the scripting collection to C: (because of admin rights) 3. Placed my .library file in the same folder as the scripting collection Only difference is that Python is v3.12.0 on PC1 and v3.12.1 on PC2. I thought maybe it was something with Python, but then I have tried using the scripting collection from 3.5.16.1, and that seems to work. Just not for scripting collection 3.5.16.4. I also can't seem to find any scripting collections on newer versions of Codesys? (e.g. 3.5.19.10) Thanks in advance!
Last updated: 2024-01-22

Post by wbj0t on System libs and I/O Drivers ^{CODESYS Forge talk (Post)}
Hi everyone. My question about: where I can learn (read or watch) an info about codesys workflow through the system IO libs? I want to know how to implement I/O drivers by my self. In the system libs I see many interfaces, methods etc... But there is no explanation about them, just names of methods and fields of the FBs. I know about this page: https://forge.codesys.com/drv/io-drivers/doc/Generic/ There is so BIG the device description file and not so clear explaining of the attributes and elements, also some elements or attributes missed at it all. Yes, there are code examples on this page, but, so shortly and, for example, code about Modbus drivers is absent. And even if I try to add the IoDrvFB with lib, I get and error, something like: "failed to load IoDrvFB driver". And what about the book of codesys that written by Gary Pratt? Is there information about system libs and drivers in this book more clearly? Thank you :)
Last updated: 2024-02-02

Post by axilleas on SMC_Interpolator + SMC_controAxislbyPos ^{CODESYS Forge talk (Post)}
dear all I am working on a very generic gantry system (virtual drives + win v3 control) reading gcode from external file. In order to stop the interpolator function from running when gaps are detected, SMC_controlAxisByPos FB has the bStopIpo output which according to the manual is connected to the Interpolator's bEmergencyStop. Lets assume that the axis are parked in position X1000 Y1000 and the initial G code movement is G00 X500 Y500. The normal behavior is to travel from the actual x1000 y1000 to G00 X500 Y500. The SMC_Interpolator always gets the X0 Y0 as the initial position, meaning that the bStopIpo is active until the axis are in X0 Y0 and the release the interpolator to set the new positions to X500 Y500. Is there a suggested method to solve this behavior? bonus question: I get a lot of bStopIpo during standard interpolation movements (not gaps). While working with virtual axis this is not a problem but when real axis are installed this will be an issue. What exactly triggers the bStopIpo output? Slow axis accelerations compare to Gcode defaults? Kind Regards
Last updated: 2024-02-05

Post by timl on BacNet "Unaufgelöste Referenz" ^{CODESYS Forge talk (Post)}
Hallo, ich habe Probleme beim nachbauen des BacNet2 Tutorials "Erste Schritte" aus der CODESYS Online Help. https://content.helpme-codesys.com/de/CODESYS%20BACnet/_bacnet_first_steps.html Das Anlegen des BacNet2 Servers und der danach folgenden BacNet Datenpunkte erfolgt ohne Probleme. Der Code lässt sich mit F11 auch Fehlerfrei generieren. Beim Download auf die SPS tritt dann der Fehler auf dem Bild auf. Anbei auch ein Bild des Logs nach dem Download. CODESYS BACnet 2.0.0.0 ist über den Installer runtergeladen. Device: CODESYS Control Win V3 x64 Version 3.5.19.40 CODESYS 3.5.19.40 Im Bibliotheksverwalter ist BACnet2 2.0.0.0 aufgeführt Die Konfigurationsdatei habe ich mit folgenden anpassungen abgespeichert: [ComponentManager] Component.1=CmpTargetVisuStub Component.2=CmpWebServer Component.3=CmpWebServerHandlerV3 Component.4=SysCpuMultiCore Component.5=SysReadWriteLock Component.6=SysCpuBreakpoints Component.7=SysPipeWindows ;Component.8=CmpHilscherCIFX ;Component.9=CmpPCANBasicDrv ;Component.10=CmpCANFoxDrv ;Component.11=CmpIxxatCANDrv ;Component.12=CmpBlkDrvCanServer ;Component.13=CmpBACnet Component.14=CmpBACnet2 [CmpBACnet2] ;configuration file of the BACnet stack IniFile=$PlcLogic$/bacstac2.ini ;task priority of the BACstack process task, default: TASKPRIO_NORMAL_END (159) TaskPrio=128 ;name of the named pipe for the communication with the BACstack AppName=/tmp/BACnetServer Habe ich etwas vergessen?
Last updated: 2024-02-16

Post by francescoc on Custom log CmpLog ^{CODESYS Forge talk (Post)}
Hi, I am trying to create a log in my application. Since I cannot find any documentation regarding modifying the codesys configuration file to be able to log in ms, i tried to create a new log via CmpLog.LogCreate. Below is the part of the code where I create the logger and write a test string. In the log tab of codesys I actually see the new log that was created, but it is empty, and in the folder I cannot find any files. I can't find any detailed documentation. Can you guys give me support? Are there any examples? Thank you IF NOT FirstCycle THEN LogName:= 'LOGS/TestLog'; LogOptions.bEnable:= 1; LogOptions.iMaxEntries:= 5000; LogOptions.iMaxFiles:= 100; LogOptions.iMaxFileSize:= 5000; LogOptions.szName:= LogName; LogOptions.uiType:= CmpLog.LogTypes.LT_TIMESTAMP_RTC_HIGHRES; LogOptions.uiFilter:= CmpLog.LogClass.LOG_ALL; LogHandle:= CmpLog.LogCreate(pOptions := ADR(LogOptions), pResult:= ADR(Result)); LogHandle:= CmpLog.LogOpen(pszName:= LogName, pResult:= Result); Component_Manager.CMAddComponent2('TestLogNEW', 16#00000001, ADR(udiCmpIdNEW), 0); CmpLog.LogAdd2(LogHandle, udiCmpIdNEW, CmpLog.LogClass.LOG_INFO, 1, 1, 'Logger started...'); END_IF IF TestWrite THEN TestWrite:= FALSE; CmpLog.LogAdd2(LogHandle, udiCmpIdNEW, CmpLog.LogClass.LOG_INFO, 1, 1, 'Write test'); END_IF
Last updated: 2024-03-16

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