Post by mikek10 on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
Most FBs clock on the rising edge so if they are never called with xExecute = False then subsequent actions will not be performed.
Last updated: 2024-07-18

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 jari-koivuluoma on JSON_Utilities_SL JSONFileWriter error NULL_POINTER ^{CODESYS Forge talk (Post)}
FB jsonFileWriter gives a NULL_POINTER error, why? JSONByteArrayWriter works fine so the JSONData FB should be fine. The device is CODESYS Control Win V3 x64 in simulation mode. Codesys version is V3.5 SP16 Patch 5 JSON_Utilities_SL version is 1.3.0.0 Src: ST_TestStruct1a; TXT: WSTRING(10000); MakeJSON : BOOL := TRUE; SrcJSONData: JSON.JSONData; jsonFileWriter : JSON.JSONFileWriter; IF MakeJSON THEN MakeJSON := FALSE; // Struct data to JSONData FB F_TestStructToJSON(ADR(Src),ADR(SrcJSONData)); // Writing to file jsonFileWriter( xExecute := TRUE, sFileName := 'c:\JSONTEST\JSON.txt', eEncoding := JSON.Encoding.UTF_16, xAsyncMode := TRUE, jsonData := SrcJSONData ); // Waiting to finish WHILE jsonFileWriter.xBusy DO ; END_WHILE // To text jsonArrayWriter( xExecute := TRUE, pwData := ADR(TXT), udiSize := SIZEOF(TXT), jsonData := SrcJSONData, xAsyncMode := FALSE, ); END_IF
Last updated: 2023-09-08

Post by fabian on Sys Process Execute Command ^{CODESYS Forge talk (Post)}
Hello, I have a question: Once the command is being executed, is there a way to kill it again? As the called application is running in the background, the user can't close it but it shall be closed/terminated, commanded by codesys. I have tried with "SysProcessTerminate" but I guess this is not correct as the RTE crashes when this function is called. Starting the application: IF GVL.xStrtQR THEN GVL.xStrtQR := FALSE; SysProcess.SysProcessExecuteCommand2(pszCommand:=sCmd, pszStdOut:=stdout, udiStdOutLen:= SIZEOF(stdout),pResult := ADR(GVL.pResQRTsk)); END_IF Trying to stop it again: IF GVL.xTrmQR THEN GVL.xTrmQR := FALSE; pResTerm := SysProcess.SysProcessTerminate(hProcess:=SysProcess.SysProcessGetCurrentHandle(pResult:=ADR(GVL.pResQRTsk))); END_IF Codesyscontrol Win x64, 3.5.19.10. Many thanks for any advice pointing to the correct direction.. :-) Regards, Fabian
Last updated: 2023-11-17

Post by ton on How to create a stopwatch? ^{CODESYS Forge talk (Post)}
One i wrote this to measure elepse time When xMeasure is true is starts en when false it stops and time is messured. FUNCTION_BLOCK FB_ElapseTime VAR_INPUT xMeasure: BOOL; END_VAR VAR_OUTPUT xRisingEdge: BOOL; xFallingEdge: BOOL; tElapsed: TIME; ltElapsed: LTIME; ltPrev_Elapsed: LTIME; ltElapsedMax: LTIME; END_VAR VAR xLastValue: BOOL; LTIMEStart: LTIME; LTIMEEnd: LTIME; tonReset: TON:= (IN:= TRUE, PT:= TIME#30S0MS); END_VAR ------------------------------------------- xRisingEdge:= (xLastValue XOR xMeasure) AND xMeasure; xFallingEdge:= (xLastValue XOR xMeasure) AND NOT xMeasure; IF xRisingEdge THEN ltPrev_Elapsed:= ltElapsed; LTIMEStart:= LTIME(); END_IF IF xMeasure OR xFallingEdge THEN LTIMEEnd:= LTIME(); END_IF ltElapsed:= LTIMEEnd - LTIMEStart; ltElapsedMax:= MAX(ltElapsedMax, ltElapsed); tElapsed:= LTIME_TO_TIME(ltElapsed); xLastValue:= xMeasure; tonReset(); IF tonReset.Q THEN tonReset.IN:= FALSE; ltElapsedMax:= LTIME#0NS; END_IF Meaby this will help.
Last updated: 2023-12-09

Post by francesco86 on Script python for write in a file Project information ^{CODESYS Forge talk (Post)}
Dear all, My python script can read a Codesys project and save in file the different POU, but the problem is that I don't able to read the project info from the obj list. Following of this message there is my python script. Can you help my? Best regards Francesco # encoding:utf-8 # We enable the new python 3 print syntax from __future__ import print_function import os import shutil import time import sys from datetime import datetime print("--- Saving files in the project: ---") print("sys.argv: ", len(sys.argv), " elements:") for arg in sys.argv: print(" - ", arg) if (len(sys.argv)>1): folderExportName = sys.argv[1] print(" folderExportName: ", folderExportName) exportPath = sys.argv[2]+ sys.argv[3]+ "\\"+ sys.argv[1] print(" File path: ", exportPath) # git has_repo=False #save_folder=r'E:\Tmp\ControlPlugins\ControlPlugins\Export' save_folder = exportPath if not os.path.exists(save_folder): os.makedirs(save_folder) else: a=os.listdir(save_folder) for f in a: if not f.startswith("."): sub_path= os.path.join(save_folder,f) if os.path.isdir(sub_path): shutil.rmtree(sub_path) else: os.remove(sub_path) elif f==".git": has_repo=True info={} type_dist={ '792f2eb6-721e-4e64-ba20-bc98351056db':'pm', #property method '2db5746d-d284-4425-9f7f-2663a34b0ebc':'dut', #dut 'adb5cb65-8e1d-4a00-b70a-375ea27582f3':'lib', #lib manager 'f89f7675-27f1-46b3-8abb-b7da8e774ffd':'m', #method no ret '8ac092e5-3128-4e26-9e7e-11016c6684f2':'act', #action '6f9dac99-8de1-4efc-8465-68ac443b7d08':'pou', #pou '6654496c-404d-479a-aad2-8551054e5f1e':'itf', #interface '738bea1e-99bb-4f04-90bb-a7a567e74e3a':'', #folder 'ffbfa93a-b94d-45fc-a329-229860183b1d':'gvl', #global var '5a3b8626-d3e9-4f37-98b5-66420063d91e':'prop', #property '2bef0454-1bd3-412a-ac2c-af0f31dbc40f':'tl', #textlist '63784cbb-9ba0-45e6-9d69-babf3f040511':'gtl', #global textlist '225bfe47-7336-4dbc-9419-4105a7c831fa':'dev', #device 'ae1de277-a207-4a28-9efb-456c06bd52f3':'tc', #task configuration 'f8a58466-d7f6-439f-bbb8-d4600e41d099':'m', #method with ret '261bd6e6-249c-4232-bb6f-84c2fbeef430':'gvl', #gvl_Persistent '98a2708a-9b18-4f31-82ed-a1465b24fa2d':'task', #task '085afe48-c5d8-4ea5-ab0d-b35701fa6009':'progInfo'#project information }; def save(text,path,name,tp): if not tp: tp='' else: tp='.'+tp+'.txt' with open(os.path.join(path,name+tp),'w') as f: f.write(text.encode('utf-8')) def print_tree(treeobj, depth, path): global info #record current Path curpath=path isfolder=False t='' #text tp='' #type # get object name name = treeobj.get_name(False) id = treeobj.type.ToString() if id in type_dist: tp = type_dist[treeobj.type.ToString()] #Print all type of objects #print("--Name: ", tp) else: info[id]=name if treeobj.is_device: deviceid = treeobj.get_device_identification() t = 'type='+str(deviceid.type) +'\nid=' +str(deviceid.id) + '\nver='+ str(deviceid.version) if tp == "progInfo": print("-- There is prog info, ", tp) print("-- It has textual declaration: , ", treeobj.has_textual_declaration) print("-- It has textual implementation: , ", treeobj.has_textual_implementation) print("-- It is folder: , ", treeobj.is_folder) print("-- It is children: , ", treeobj.get_children(False)) print("-- It is children len: , ", len(treeobj.get_children(False))) print("-- It is progInfo type: , ", type(treeobj.ScriptProject)) #for child in treeobj.get_children(False): # print_tree(child, depth+1,curpath) try: if treeobj.is_folder : #system.ui.prompt('folder:'+u, PromptChoice.YesNo, PromptResult.Yes) isfolder=true pass except: pass if treeobj.has_textual_declaration : t=t+'(*#-#-#-#-#-#-#-#-#-#---Declaration---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' a=treeobj.textual_declaration t=t+a.text if treeobj.has_textual_implementation: t=t+'(*#-#-#-#-#-#-#-#-#-#---Implementation---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' a=treeobj.textual_implementation t=t+a.text if treeobj.has_textual_declaration and not treeobj.has_textual_implementation: t=t+'(*#-#-#-#-#-#-#-#-#-#---NOT Implementation visible---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' if treeobj.is_task : exports=[treeobj] projects.primary.export_native(exports,os.path.join(curpath,name+'.task')) if treeobj.is_libman: exports=[treeobj] projects.primary.export_native(exports,os.path.join(curpath,name+'.lib')) if treeobj.is_textlist: treeobj.export(os.path.join(curpath,name+'.tl')) children = treeobj.get_children(False) if children or isfolder: if tp: curpath=os.path.join(curpath,name+'.'+tp) else: curpath=os.path.join(curpath,name) if not os.path.exists(curpath): os.makedirs(curpath) if t: save(t,curpath,name,tp) for child in treeobj.get_children(False): print_tree(child, depth+1,curpath) for obj in projects.primary.get_children(): print_tree(obj,0,save_folder) with open(os.path.join(save_folder,'ExportInfo.txt'),'w') as f: now = datetime.now() infTimeExecution = now.strftime("%Y-%m-%d %H:%M:%S") f.write("Export date and time: "+infTimeExecution + "\r\n" + str(info)) print("--- Script finished. ---") #system.ui.info('save ok') projects.primary.close()
Last updated: 2024-04-30

Post by francesco86 on Script python for write in a file Project information ^{CODESYS Forge talk (Post)}
Dear all, My python script can read a Codesys project and save in file the different POU, but the problem is that I don't able to read the project info from the obj list. Following of this message there is my python script. Can you help my? Best regards Francesco # encoding:utf-8 # We enable the new python 3 print syntax from __future__ import print_function import os import shutil import time import sys from datetime import datetime print("--- Saving files in the project: ---") print("sys.argv: ", len(sys.argv), " elements:") for arg in sys.argv: print(" - ", arg) if (len(sys.argv)>1): folderExportName = sys.argv[1] print(" folderExportName: ", folderExportName) exportPath = sys.argv[2]+ sys.argv[3]+ "\\"+ sys.argv[1] print(" File path: ", exportPath) # git has_repo=False #save_folder=r'E:\Tmp\ControlPlugins\ControlPlugins\Export' save_folder = exportPath if not os.path.exists(save_folder): os.makedirs(save_folder) else: a=os.listdir(save_folder) for f in a: if not f.startswith("."): sub_path= os.path.join(save_folder,f) if os.path.isdir(sub_path): shutil.rmtree(sub_path) else: os.remove(sub_path) elif f==".git": has_repo=True info={} type_dist={ '792f2eb6-721e-4e64-ba20-bc98351056db':'pm', #property method '2db5746d-d284-4425-9f7f-2663a34b0ebc':'dut', #dut 'adb5cb65-8e1d-4a00-b70a-375ea27582f3':'lib', #lib manager 'f89f7675-27f1-46b3-8abb-b7da8e774ffd':'m', #method no ret '8ac092e5-3128-4e26-9e7e-11016c6684f2':'act', #action '6f9dac99-8de1-4efc-8465-68ac443b7d08':'pou', #pou '6654496c-404d-479a-aad2-8551054e5f1e':'itf', #interface '738bea1e-99bb-4f04-90bb-a7a567e74e3a':'', #folder 'ffbfa93a-b94d-45fc-a329-229860183b1d':'gvl', #global var '5a3b8626-d3e9-4f37-98b5-66420063d91e':'prop', #property '2bef0454-1bd3-412a-ac2c-af0f31dbc40f':'tl', #textlist '63784cbb-9ba0-45e6-9d69-babf3f040511':'gtl', #global textlist '225bfe47-7336-4dbc-9419-4105a7c831fa':'dev', #device 'ae1de277-a207-4a28-9efb-456c06bd52f3':'tc', #task configuration 'f8a58466-d7f6-439f-bbb8-d4600e41d099':'m', #method with ret '261bd6e6-249c-4232-bb6f-84c2fbeef430':'gvl', #gvl_Persistent '98a2708a-9b18-4f31-82ed-a1465b24fa2d':'task', #task '085afe48-c5d8-4ea5-ab0d-b35701fa6009':'progInfo'#project information }; def save(text,path,name,tp): if not tp: tp='' else: tp='.'+tp+'.txt' with open(os.path.join(path,name+tp),'w') as f: f.write(text.encode('utf-8')) def print_tree(treeobj, depth, path): global info #record current Path curpath=path isfolder=False t='' #text tp='' #type # get object name name = treeobj.get_name(False) id = treeobj.type.ToString() if id in type_dist: tp = type_dist[treeobj.type.ToString()] #Print all type of objects #print("--Name: ", tp) else: info[id]=name if treeobj.is_device: deviceid = treeobj.get_device_identification() t = 'type='+str(deviceid.type) +'\nid=' +str(deviceid.id) + '\nver='+ str(deviceid.version) if tp == "progInfo": print("-- There is prog info, ", tp) print("-- It has textual declaration: , ", treeobj.has_textual_declaration) print("-- It has textual implementation: , ", treeobj.has_textual_implementation) print("-- It is folder: , ", treeobj.is_folder) print("-- It is children: , ", treeobj.get_children(False)) print("-- It is children len: , ", len(treeobj.get_children(False))) print("-- It is progInfo type: , ", type(treeobj.ScriptProject)) #for child in treeobj.get_children(False): # print_tree(child, depth+1,curpath) try: if treeobj.is_folder : #system.ui.prompt('folder:'+u, PromptChoice.YesNo, PromptResult.Yes) isfolder=true pass except: pass if treeobj.has_textual_declaration : t=t+'(*#-#-#-#-#-#-#-#-#-#---Declaration---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' a=treeobj.textual_declaration t=t+a.text if treeobj.has_textual_implementation: t=t+'(*#-#-#-#-#-#-#-#-#-#---Implementation---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' a=treeobj.textual_implementation t=t+a.text if treeobj.has_textual_declaration and not treeobj.has_textual_implementation: t=t+'(*#-#-#-#-#-#-#-#-#-#---NOT Implementation visible---#-#-#-#-#-#-#-#-#-#-#-#-#*)\r\n' if treeobj.is_task : exports=[treeobj] projects.primary.export_native(exports,os.path.join(curpath,name+'.task')) if treeobj.is_libman: exports=[treeobj] projects.primary.export_native(exports,os.path.join(curpath,name+'.lib')) if treeobj.is_textlist: treeobj.export(os.path.join(curpath,name+'.tl')) children = treeobj.get_children(False) if children or isfolder: if tp: curpath=os.path.join(curpath,name+'.'+tp) else: curpath=os.path.join(curpath,name) if not os.path.exists(curpath): os.makedirs(curpath) if t: save(t,curpath,name,tp) for child in treeobj.get_children(False): print_tree(child, depth+1,curpath) for obj in projects.primary.get_children(): print_tree(obj,0,save_folder) with open(os.path.join(save_folder,'ExportInfo.txt'),'w') as f: now = datetime.now() infTimeExecution = now.strftime("%Y-%m-%d %H:%M:%S") f.write("Export date and time: "+infTimeExecution + "\r\n" + str(info)) print("--- Script finished. ---") #system.ui.info('save ok') projects.primary.close()
Last updated: 2024-04-30

Post by naks on Change IP address from IEC code ^{CODESYS Forge talk (Post)}
Hi, I'm working with wago 750-8212 controller. I want to change the IP address of the Ethernet adapter from webvisu. I have read some other threads in this forum and I have tried the following: Added the following text to the config file CODESYSControl.cfg: [SysSocket] Adapter.0.Name="br1" Adapter.0.EnableSetIpAndMask=1 Used the below code : IF xUpdateEthernet THEN Ethernet.Enable := FALSE; Reconfig ( xExecute := TRUE, itfNode := Ethernet, eError => ErrorReconfig, xBusy => xBusy, xDone => xDone, xError => xErrorReconfigure); IF Reconfig.xDone THEN ErrorCode := Ethernet.UpdateConfiguredIPSettings(IpAddress := NewIp, gateway := newGateway, subnetmask := newSubnetmask); END_IF IF Reconfig.xDone OR Reconfig.xError THEN reconfig(xExecute := FALSE); END_IF Ethernet.Enable := TRUE; Reconfig(xExecute := TRUE, itfNode := Ethernet ); END_IF I could change the IP address but when i restart my Controller then the IP address resets to the original, Is there anything I have missed, what else can i try ? Thank you in advance.
Last updated: 2024-07-08

Post by hanoues on Holding brake release ^{CODESYS Forge talk (Post)}
I've tried using the SMC3_BrakeControl function block to control the brake, but unfortunately, it's not functioning as expected. Despite setting the appropriate parameters and inputs, the brake control does not operate correctly. Any insights or suggestions on resolving this issue would be greatly appreciated. STATE_MANUAL.UNLOCK_BRAKE: IF Button_release_brake THEN GVL.drum1_Control_Brake:=TRUE; FBA.T11_ContBrake.bExecute := TRUE; GVL.manual_state := STATE_MANUAL.WAIT_FOR_BRAKE_RELEASE; END_IF STATE_MANUAL.WAIT_FOR_BRAKE_RELEASE: IF FBA.T11_ContBrake.bDone THEN FBA.T11_ContBrake.bExecute := FALSE; GVL.manual_state := STATE_MANUAL.WAIT_START_BUTTON; END_IF
Last updated: 2024-04-08

Post by andrax on CodeSys Raspberry pi I2C driver not found ^{CODESYS Forge talk (Post)}
Ok, this is a test programme with ADS1115. It is currently configured for the TCA9548 muxboard. If you want to run the ADS1115 single, then change the settings to the default values: ‘Is Multiplex:’ False ‘Stage mux channel numbers:’ [0,0,0,0,0,0,0,0,0] It is also important that the libraries are installed correctly here. But should be in this project
Last updated: 2024-11-07

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 nz-dave on Bool turning on in case stament in wrong state? ^{CODESYS Forge talk (Post)}
I had the FB called via a for loop to call a few instances of my FB I have removed it the for loop and just called them 1 by 1. Seems to have sorted the problem. tho, i have other FB's and for loops doing the same thing but they are all fine. below is basically what was happening. var: mVibrator : ARRAY[1..GVL_Settings.Number_Of_Products] OF Main_Vibrator; end_var Controller(PRG) call: FOR v := 1 TO GVL_Settings.Number_Of_Products BY 1 DO; mVibrator[v] (); END_FOR So at state 30: the mVibrator[1].start was turning on 30: Main_Mixer.Start := TRUE; Process_State := 2; IF Main_mixer.Done THEN Main_Mixer.Start := FALSE; Control_State := 40; END_IF but its not till state 50: that it is actual in the code. 50: Main_Suction_valve.Open_Input := TRUE; mVibrator[1].Start := TRUE; Process_State := 4; IF GVL_Weigh_hopper.LoadCell_Weight = 0 THEN Main_Suction_valve.Open_Input := FALSE; mVibrator1.Start := FALSE; Control_State := 60; END_IF Thanks for your input.
Last updated: 2023-12-16

Post by psychoengineer on Cannot Save CSV File on Windows Computer Using CODESYS and Control Win ^{CODESYS Forge talk (Post)}
I am currently working on a project using CODESYS and Control Win on a Windows computer. I've encountered an issue where I am unable to save a CSV file. I have followed the standard procedures and used the appropriate file handling functions, but the file is not being created or saved as expected. IF xStartTest THEN sFileName := '\logs.txt'; sFileName := CONCAT(gvl.g_sMainDirectory, sFileName); sFileNameCopy := '\CAAFileCopy.txt'; sFileNameCopy := CONCAT(gvl.g_sMainDirectory, sFileNameCopy); //eWriteState := FILE_OPEN_TRIGGER; xTestDone := FALSE; xError := FALSE; xStartTest := FALSE; END_IF VAR_GLOBAL g_sMainDirectory : STRING := 'C:\LogFiles'; // file path for CSV file END_VAR Despite this, the file does not appear in the specified directory, and no error messages are being generated. I've checked the directory permissions and ensured that the path is correct. Has anyone else experienced a similar issue or have any suggestions on how to resolve this? Any help would be greatly appreciated. Thank you!
Last updated: 2024-07-04

Post by tk096 on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
Meanwhile, I would like to understand why the motion FB instances must still be called even after the Execute is set to FALSE, especially in view of the fact that the next instruction is programmed to abort the previous one, with BufferMode set to 'Aborting'. All these unnecessary FB calls are an unnecessary overhead on the CPU anyway. Is there any precise rule about when to cease calling the various instances? (It should precisely be the 'done' status that says this one has finished its work). In general: - Motion function blocks have to be called until they report 'Done', 'Error', 'CommandAborted' or a subsequent motion FB with BufferMode=Aborting is started in the current cycle. - Setting the Execute input to FALSE will not abort any ongoing motion of the motion function block. For example, one case that is often problematic is the execution of the Axis Halt instruction. When, after a MoveAbosulte instruction this returns the event as 'done' and indeed the axis is in standstill, the state machine first sets the move instruction to FALSE, and the next cycle sets the Halt request to TRUE. Some of the time everything works out fine. Occasionally, however, in this exchange, the axis goes into fault, also losing the OPERATIONAL state. I think the error SMC_FB_WASNT_CALLED_DURING_MOTION is only a follow-up (and misleading) error that results from the axis not being in operational state anymore (bus problems). Is there an error 'regulator or start not set' in the device log before the error 'motion generating FB wasn't called for at least one cycle'? Which error does the respective function block (Halt.ErrorId) report?
Last updated: 2024-07-22

Post by yannickasselin on MQTT QoS 1 & 2 ^{CODESYS Forge talk (Post)}
Hello, I am using Codesys sp20p3 and IIoT library 1.11. I am trying to test QoS 1 & 2 and I have some issues. I am using mosquitto as the broker. I am also using some other MQTT clients like Node-Red and TwinCAT. They all work as expected for every QoS levels. I only have issues with Codesys MQTT client. In the Codesys client, if I subscribe to a topic as QoS 1 or 2, and a client publishes to this topic, I receive the message. But if I disconnect the Codesys client from the network and a client publishes to the subscribed topic, when I reconnect Codesys client to the network, I don't receive the messages as expected. Also there does not seem to be an auto-reconnect feature. So I have to manually set the mqttClient.xEnable bit to FALSE then back to TRUE in order to reconnect to the broker, then I also have to set the subscribe.xEnable to FALSE and back to TRUE in order to re-subscribe to the topic, but even then, I don't receive the messages that were published while I was disconnected. What am I doing wrong? I set the cleanSession bit to FALSE and I give my client a clientID. With the TwinCAT MQTT Client, I do the same thing and everything works as expected. It even auto-reconnects to the broker. I would expect Codesys MQTT Client to be as reliable as TwinCAT. Maybe I am doing something wrong? I also noticed that when trying to publish a QoS 1 or 2 message while disconnected from the broker, it does not work. In TwinCAT, I am still able to publish. The messages are stored in the client and published once reconnected to the broker. I would expect to be able to do the same thing in Codesys. Is this all possible? Am I doing something wrong? Thank you
Last updated: 2024-10-26

Post by thomasrohnerch on Color Change for Symbols not working ^{CODESYS Forge talk (Post)}
I have some Symbols from the Visualization Toolbox on my Target Visu on the Computer. I tried many Symbols, mainly Arrows. I'm able to control the visibility with condition e.g. "GVL.actual_testvalues.speed <= 0" But I can't do "Toggle color" with boolean GVL.b_toggle_color. Neither "TRUE" nor "FALSE" does change anything. Is this a known issue? I'm using CODESYS V3.5 SP19 Patch 5 + (64-bit). See attached file with more Version-Info. I'm currently using Style 6, Gradient axial 2, 3.5.12.0. I had the same issue with Default 3.5.16.0.
Last updated: 2024-02-08

Post by andrax on Prüfen ob Datei existiert wenn nicht neu erstellen ^{CODESYS Forge talk (Post)}
Hi, ich ich möchte prüfen ob eine Datei existiert. Wenn diese nicht existiert, soll eine erstellt werden und dort hinein geschrieben werden. Die Datei wird im Programmlauf mehrfach geöffnet und Daten hinein geschrieben. Ich will hier die Funktion File.MODE.MAPPENDPLUS benutzen, das funktioniert aber nicht. fopen.xDone bleibt false. Hier der Code: fopen.sFileName:=sFileName; fopen.eFileMode:=File.MODE.MAPPENDPLUS; // Neu erstellen und anhängen fopen.xExclusive:=TRUE; fopen( xExecute:=TRUE); IF fopen.xDone THEN hFile:=fopen.hFile; sStringToWrite:=''; writeIndex:=0; SchrittDatenlog:=60; END_IF Wo liegt mein Fehler?
Last updated: 2024-02-11

Post by yofi on Raspberry PI change tag only responds after stopping PLC ^{CODESYS Forge talk (Post)}
Using V19 Patch 7 and 4.11.0.0 for Pi 4 Model B, My problem is whenever I change a tag e.g bool from true to false it will change in software but the pin will only go high to low after pressing stop PLC in codesys and same if i want to bring it back to high, have to login start plc change it and stop plc in order to change. any insight ? thanks
Last updated: 2024-05-25

Post by greenwood on CODESYS Control Raspberry Pi mit Servotreiber T6 von StepperOnline ^{CODESYS Forge talk (Post)}
Hallo, und vielen Dank für die Antwort. Ich habe 'Modbus_Slave_COM_Port' in eine Watchliste genommen. Leider reichen meine Kenntnisse nicht aus, um aus dem Ergebnis irgendwelche Schlüsse zu ziehen. xBusy und xError wechseln zwischen true und false (im Gegentakt), der angezeigte Fehler ist 'Response Timeout'. iChannelIndex wechselt zwischen 0 und -1. Wenn ich das richtig verstehe bedeutet das wohl, das der Servotreiber auf Anfragen einfach nicht reagiert. Ich hänge einen screenshot vom Watchfenster an, vielleicht kann jemand mehr herauslesen als ich. Nochmal danke fürs Lesen und Überlegen!
Last updated: 2024-05-31

Post by mozed on Bug Device login ^{CODESYS Forge talk (Post)}
Good morning, The problem I encounter is very disturbing, when I try to connect to my project, it asks me to put in my username and password, which I do. However, I cannot connect and it restarts. the window to rewrite my identifiers. However it is the correct identifier and password I do not understand why. When I try to put false identifiers there strangely it tells me that these are not valid identifiers. There is something what can I do? Sincerely
Last updated: 2024-06-11

Post by kislov on Change modbus server parameters from program ^{CODESYS Forge talk (Post)}
Use in IEC-code: Modbus_Serial_Device.UpdateComPortSettings(...) https://content.helpme-codesys.com/en/libs/IoDrvModbusSerialSlave/Current/pou-ModbusSerialDeviceDiag/UpdateComPortSettings.html Take note: "Only possible if server is disabled (see xEnable Input)" So: Modbus_Serial_Device.xEnable := FALSE; Modbus_Serial_Device.UpdateComPortSettings(...) Modbus_Serial_Device.xEnable := TRUE; Please note that after PLC reboot the values from the GUI (from your screenshot) will be applied again. So you need to save values from HMI in RETAIN and restore them after start of application.
Last updated: 2024-07-17

Post by mubeta on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
Yes, this point is part of my misunderstanding. Why, after the execution ot the motion FBs is set to FALSE and exsecuted at lest one time, it must be continuosly called, even if the motion control it's take from another subsequent instruction. This is what I really don't undertand, but what in fact it's happening. For example, in case of stopping a MoveVelocity FB, then Halting the motion by the related FB, the axis at spot goes into error. If there was bad trigger management, the various instructions would NEVER work.
Last updated: 2024-07-18

Post by mikek10 on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
I was answering your last paragraph Meanwhile, I would like to understand why the motion FB instances must still be called even after the Execute is set to FALSE, especially in view of the fact that the next instruction is programmed to abort the previous one, with BufferMode set to 'Aborting'. All these unnecessary FB calls are an unnecessary overhead on the CPU anyway. Is there any precise rule about when to cease calling the various instances? (It should precisely be the 'done' status that says this one has finished its work).
Last updated: 2024-07-18

Post by alexgooi on OPC-UA Boolean format ^{CODESYS Forge talk (Post)}
Dear Forum, We are currently making the switch from OPC-DA (Codesys server) to OPC-UA (Running on a Codesys controller). We are using Codesys version 3.5 SP 20. Our Scada system is expecting Boolean's to be represented as a 0/1 (True Boolean) but the OPC-UA server is representing a boolean as False/True This indeed matches the OPC-UA standard, but is there a way to configure the OPC-UA server's boolean representation? Thank you in advance
Last updated: 2024-08-06

Post by jari-koivuluoma on Problem trying Net Base Services 3.5.15.0 TCP connection ^{CODESYS Forge talk (Post)}
I have a need to send messages between 2 PLCs and I cant use network variables (because of size limit) so I tried writing this simple test program. This seems to work fine. I can send messages back and forth when a first "Start server" and then "Connect client". See the attached image. However, if I disconnect the client by setting ClientConnect to false and try to re-connect then the TCP_Client just gives me TIMEOUT error. When I stop and start the server again, then Im able to reconnect. How is this supposed to work? Why reconnecting wont work. There is not other way of disconnecting the client than setting xEnable of the TCP_Client to false. This is just a testing program and I will try it on 2 seperate devices once this works. PROGRAM PLC_PRG VAR CONSTANT mySize : UDINT := 255; END_VAR VAR Server: NBS.TCP_Server; ServerIpStr: STRING := '127.0.0.1'; ServerIP: NBS.IP_ADDR; ServerPort: UINT := 50000; ServerConnection: NBS.TCP_Connection; Client: NBS.TCP_Client; ServerRead: NBS.TCP_Read; ServerWrite: NBS.TCP_Write; ServerSend: STRING(mySize); ServerReceive: STRING(mySize); ServerConnect: BOOL; bServerSend: BOOL; IP: NBS.INADDR; ConnectedClientIP: STRING; ClientPort: UINT := 50000; ClientIpStr: STRING := '192.168.1.49'; ClientIP: NBS.IP_ADDR; ClientRead: NBS.TCP_Read; ClientWrite: NBS.TCP_Write; ClientSend: STRING(mySize); ClientReceive: STRING(mySize); ClientConnect: BOOL; bClientSend: BOOL; Error: BOOL; Message: BOOL; END_VAR // Server ServerIP.sAddr := ServerIpStr; Server( ipAddr := ServerIP, uiPort := ServerPort ); ServerConnection( xEnable := Server.xEnable, hServer := Server.hServer, ); IP := ServerConnection.IPAddress; ConnectedClientIP := F_Concat7( BYTE_TO_STRING(IP.S_un_b.s_b1),'.', BYTE_TO_STRING(IP.S_un_b.s_b2),'.', BYTE_TO_STRING(IP.S_un_b.s_b3),'.', BYTE_TO_STRING(IP.S_un_b.s_b4)); ServerRead( xEnable := ServerConnection.xActive, hConnection := ServerConnection.hConnection, szSize := SIZEOF(ServerReceive), pData := ADR(ServerReceive) ); IF ServerRead.xReady AND ServerRead.szCount > 0 THEN Message := TRUE; END_IF IF ServerRead.eError > 0 THEN Error := TRUE; END_IF ServerWrite( xExecute := ServerConnection.xActive AND bServerSend, hConnection := ServerConnection.hConnection, szSize := LEN(ServerSend)+1, pData := ADR(ServerSend) ); IF ServerWrite.xDone THEN bServerSend := FALSE; END_IF IF ServerWrite.eError > 0 THEN Error := TRUE; END_IF // Client ClientIP.sAddr := ClientIpStr; Client( xEnable := ClientConnect, ipAddr := ClientIP, uiPort := ServerPort, udiTimeOut := 10000000 ); ClientRead( xEnable := Client.xActive, hConnection := Client.hConnection, szSize := SIZEOF(ClientReceive), pData := ADR(ClientReceive) ); IF ClientRead.xReady AND ClientRead.szCount > 0 THEN Message := TRUE; END_IF IF ClientRead.eError > 0 THEN Error := TRUE; END_IF ClientWrite( xExecute := Client.xActive AND bClientSend, hConnection := Client.hConnection, szSize := LEN(ClientSend)+1, pData := ADR(ClientSend) ); IF ClientWrite.xDone THEN bClientSend := FALSE; END_IF IF ClientWrite.eError > 0 THEN Error := TRUE; END_IF
Last updated: 2024-10-03

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