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Post by ducng on SMC_FB_WASNT_CALLED_DURING_MOTION when enable MC_MoveRelative ^{CODESYS Forge} ^talk ^(Post)
Hello, I am using an Inovance PLC to control a servo via EtherCAT. When I enable MC_POWER, the drive switches to Run mode successfully. After that I call MC_MoveRelative, but I get the error SMC_FB_WASNT_CALLED_DURING_MOTION. The servo vibrates but the motor shaft does not move. I am new to EtherCAT/servo motion control, so I would appreciate any guidance or suggestions for troubleshooting this issue. Thank you in advance for your help.
Last updated: 2025-11-02

Post by adam on Get/Set I/O Address Mapping of DeviceObjects in python Script ^{CODESYS Forge} ^talk ^(Post)
I want to cancel the automatic address allocation for all IO mappings. If I directly set the automatic_iec_address in class ScriptIoMapping to False, the address becomes None. So I reset manual_iec_address with itselfs value. It only work with the Input IOMapping . For output, it reports an error: "Invalid address: The channel type 'Output' requires address type '%Q'." I checked the description file ,both accessRight are total same. Does anyone know what causes this?
Last updated: 2025-11-14

Post by kenth1973 on MC_Phasing state explenation ^{CODESYS Forge} ^talk ^(Post)
My MC_Phasing FB was stuck in iPhasingState=1 and error output HIGH on one axis. I could manually overwrite the state to 0 in the instance data. During normal run I see the state change from 0 to 10 to 100 back to 0 (maybe more states that I couldnt catch with the naked eye) But - what are the states numbers and their different explenations? This is not explained in the FB guide on codesys. (the pictures show state = 0 after I reset)
Last updated: 2025-11-22

Post by imdatatas on SMC_ERROR.SMC_AXIS_NOT_READY_FOR_MOTION when using Drive Virtual ^{CODESYS Forge} ^talk ^(Post)
@ducng, Another possible situation could be that normally there are 3 inputs for MC_Power. In your above images, I can't see the "bDriveStart" input activated. As Mr. @gseidel mentioned, you need to make sure MC_Power.Status output should be TRUE. Issuing any movement command without activating the axis would naturally result in an error. For MC_Power; You can set the Enable and bDriveStart inputs to TRUE and try turning the axis activation on and off using only the bRegulatorOn input. Regards, Imdat
Last updated: 2025-11-28

Post by gseidel on MC_Phasing state explenation ^{CODESYS Forge} ^talk ^(Post)
Hi kenth1973, MC_Phasing has been improved in recent versions. I would recommend to install the latest version of SoftMotion (4.20.1.0) and test whether the problem still exists, and if so, what the error identifier is. (Also check the PLC log in this case, it might contain additional information.) Setting the internal state of the FB is not recommended, it could lead to malfunction of the FB and unintended movements of the drive. Best regards, Georg
Last updated: 2025-11-28

Post by harryc on Soft Container License issue with ARM64 Linux ^{CODESYS Forge} ^talk ^(Post)
hi @eschwellinger Thanks for the hint. This is what I get with "cmu -x" There is no Dongle. I think that I'm trying to install the soft container from CODESYS development system, where I have the licensed installed in the License Repository. The development system gives me the error when I try to install the Soft Container license. # cmu -x - CodeMeter Universal Support Tool. Version 8.20 of 2024-Sep-10 (Build 6539) for Linux/ARMHF 64-Bit Copyright (C) 2007-2024 by WIBU-SYSTEMS AG. All rights reserved. #
Last updated: 2025-12-10

Post by kenth1973 on MC_Phasing state explenation ^{CODESYS Forge} ^talk ^(Post)
Hi Georg OK got it, thank you. I respect your (CODESYS) policies on that issue. Will try to update according to your recommondation if the customer experience same error in the future. Though - from within my coding heart it does bother me deeply, that I cannot get further understanging/knowledge on the iPhasingState, but I guees I will have to swollow that bitter pill and get on with it! hehe ;-)
Last updated: 2025-12-17

Post by ryusoup on 'keep last value' option in CODESYS EtherCAT ^{CODESYS Forge} ^talk ^(Post)
Hello, I’m using CODESYS EtherCAT Master on a Raspberry Pi controller with several remote I/O modules. I’m facing an issue where the input values from the remote I/Os drop to 0 when a connection error occurs. Is there a way to configure a “keep last value” behavior (i.e., hold the last valid input) instead of defaulting to 0 on communication loss? Best regards,
Last updated: 2025-11-18

Post by kalmeyer on NO SIGNAL ON POWER_ON FOR STEPPER MOTOR ^{CODESYS Forge} ^talk ^(Post)
I WOULD BE GRATEFUL FOR HELP....✔✔✔ I HAVE SPENT A LOT OF TIME ON THIS "SMALL" PROBLEM😢 I HAVE MADE A MC_POWER FOR STEPPERMOTOR. BUT I DO NOT GET A "HIGH" ON THE STATUS OUTPUT EVEN THOUGH PENABLE, PREG AND PDRIVESTART ARE ACTIVATED ( SEE ATTACHED WRONG_1) HAD I MADE SOME ERROR IN PLC_PRG_1..???? (WRONG_2) 1000 THANKS FOR HELP WITH THIS PROBLEM. 👀👀 /KLAUS FROM DENMARK
Last updated: 2025-11-23

Post by mrtt on Error while using Codesys SP19 Patch 4 on Windows 11 ^{CODESYS Forge} ^talk ^(Post)
Hello, same issue after a fresh install with CODESYS 64 3.5.21.30, on two different PCs Win10 and Win11. But with different Plug-In errors. CODESYS 64 3.5.19.70 runs after a lot of Package deinstallation/installation handling. But every think looks not really stable. Deinstallation of MS C++ and MS Runtime stuff -> CS installation. Than deinstallation of CodemMaster for anti freezing CS.
Last updated: 2025-11-27

Post by gseidel on Scara3 kinematic robot error ^{CODESYS Forge} ^talk ^(Post)
Hi aniket-b, the maximum cycle time of the EtherCAT_Task is very high, ca. 35 ms. Could you please check if this is just the first cycle after starting the application or if it happens during motion? (You can reset the times in the task configuration by right-clicking in the "monitoring" tab.) Another thing to try: put the SoftMotion_Planning task on a different core. Best regards, Georg
Last updated: 2026-01-07

Post by nz-dave on *exception* [processorloadwatchdog] occurred in: app=[all], task=[all] ^{CODESYS Forge} ^talk ^(Post)
Can anyone shed some light on this issue im having. at random, sometimes days, sometimes weeks or months. i get this error and have to reset the plc. Im using a Weintek HMI with ethernet/ip remote io and vsd. i have tried increasing my task times and watchdogs. and when i view my PLCload in the shell its normally around 3-4%, highest ive ever seen is 7%. Nothing i do seems to help the issue. Could the HMI's Codesys CPU be getting to hot do to high ambient temp?
Last updated: 2026-02-01

Post by winki on Error in licence activation ^{CODESYS Forge} ^talk ^(Post)
Hello, Despite receiving an activation message after entering the license number, I don’t have any license installed on my gateway. I went to check in /var/opt/codesys/ and there is no License file. I searched the entire gateway for a .lic file and found no license. I’m really stuck—how can I fix this, please? When I am using the licence tools I got this picture: But nothing that have been activated. Loic,
Last updated: 2026-02-03

Post by gseidel on Problem with keeping up the distance between two axes ^{CODESYS Forge} ^talk ^(Post)
Hi alex-n, are there any errors before the crash happens: MC_Phasing.Error, MC_Phasing.CommandAborted, what does the PLC log show before the crash? Does one of the drives show an error? You can achieve the same effect as MC_Phasing by using MC_GearIn and MC_MoveSuperImposed. But probably there is some problem in your application independent of MC_Phasing that can lead to the crash. Best regards, Georg
Last updated: 2026-06-10

Post by mogam on Internal error:System.NullReferenceException: The object reference was not set to an object instance. ^{CODESYS Forge} ^talk ^(Post)
Hi everyone, I have a my App that reads values from a shared memory than 2 variables x,y were calculated. here as you can see in my code: PROGRAM PLC_PRG VAR szName : STRING := '/SM'; ( Name of the shared memory.) uxiSize : __UXINT := 646 * 2 * SIZEOF(REAL); ( Size of the shared memory. ) hShm : RTS_IEC_HANDLE; ( Handle to the shared memory ) pStart : POINTER TO REAL; ( Pointer to the first element in the memory ) pData : POINTER TO REAL; ( Pointer, which is incremented until the last sign in the memory is reached. ) shared_data :ARRAY[0..645, 0..1] OF REAL; velocity : ARRAY[0..2] OF REAL; ( Velocity array ) position : ARRAY[0..2] OF REAL; ( Position array ) angleDepth : ARRAY[0..645, 0..1] OF REAL; ( Angle and depth array ) xEndOfMemory : BOOL; x : ARRAY[0..645] OF REAL := 1.0; y : ARRAY[0..645] OF REAL := 1.0; (* Result of actions at the memory. *) OpenResult : RTS_IEC_RESULT; ReadResult : RTS_IEC_RESULT; PointerResult : RTS_IEC_RESULT; DeleteResult : RTS_IEC_RESULT; CloseResult : RTS_IEC_RESULT; i : INT; END_VAR ( Open the shared memory ) hShm := SysSharedMemoryOpen2(szName, 0, ADR(uxiSize), ADR(OpenResult)); IF hShm <> RTS_INVALID_HANDLE THEN (* Read the entire shared memory table *) SysSharedMemoryRead(hShm:= hShm, ulOffset:= 0, pbyData:= ADR(shared_data), ulSize:= uxiSize, pResult:= ADR(ReadResult)); (* Fetch the pointer from the shared memory. The pointer is pointing to the first element address *) //pStart := SysSharedMemoryGetPointer(hShm, ADR(PointerResult)); (* Close the shared memory *) //CloseResult := SysSharedMemoryClose(hShm := hShm); (* Read velocity and position data from the shared memory *) FOR i := 0 TO 2 DO velocity[i] := shared_data[i, 0]; position[i] := shared_data[i, 1]; END_FOR; (* Read angle and depth data from the shared memory *) FOR i := 0 TO 645 DO angleDepth[i, 0] := shared_data[(i + 6), 0]; angleDepth[i, 1] := shared_data[(i + 6), 1]; END_FOR; FOR i := 0 TO 645 DO x[i] := angleDepth[i, 1]*COS(angleDepth[i, 0]); y[i] := angleDepth[i, 1]*SIN(angleDepth[i, 0]); END_FOR; END_IF For these values an XY-CHART needs to be done and when i create a visualisation and set the x data and y data when i try to compile, i recieve this error: ------ Übersetzungslauf gestartet: Applikation: Device.Read_App ------- Code typisieren ... [FEHLER] Internal error:System.NullReferenceException: Der Objektverweis wurde nicht auf eine Objektinstanz festgelegt. bei _3S.CoDeSys.LanguageModelManager.LDateType.Accept(ITypeVisitor typvis) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IArrayType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IPointerType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei ..(_ISignature , _IPreCompileContext ) bei ..( ) bei ..(String ) bei ..(String , IVariable[]& , ISignature[]& ) bei ..(String , IVariable[]& , ISignature[]& , IScope& ) bei ..visit(_IVariableExpression , AccessFlag ) bei ..(_IUserdefType ) bei ..(_IVariable , IScope5 , _ICompileContext , _ISignature ) bei ..(_ISignature , IScope5 , _ICompileContext ) bei _3S.CoDeSys.Compiler35140.Compiler.(_ICompileContext , _IPreCompileContext , _ICompileContext , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.(_ICompileContext , Boolean , Boolean , _IPreCompileContext , _IPreCompileContext , _ICompileContext , Boolean , Boolean& , IProgressCallback ) bei _3S.CoDeSys.Compiler35140.Compiler.(Guid , Boolean , Boolean , Boolean , Boolean& , _ICompileContext& , _ICompileContext& , IProgressCallback , Boolean , Boolean ) Kompilierung abgeschlossen -- 1 Fehler, 0 Warnungen Übersetzung abgeschlossen -- 1 Fehler, 0 Warnungen : Kein Download möglich!
Last updated: 2024-05-24

Post by ricola on ERROR: CodeMAccess2: Used CmRuntime 2.61.2705.500 is too old ^{CODESYS Forge} ^talk ^(Post)
hi there , can someone tell me how to deal with this error , please? I use the Linux ARM64SL (4.11) on a bullseye distro and when I want to update or install some package, I have the following reply : pi@NanoPi-R5C:~$ sudo apt upgrade Reading package lists... Done Building dependency tree... Done Reading state information... Done You might want to run 'apt --fix-broken install' to correct these. The following packages have unmet dependencies: ** codesyscontrol : Depends: codemeter but it is not installable or codemeter-lite but it is not installable** E: Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution). and if I try apt --fix-broken install as suggested, I have a proposal to uninstall codesyscontrol ... :-D so I tried to search if there is some Codesys repo: nothing, then I tried to see if ther was something inside Codesys dev (V3.5.20) and I only found that by reading/requesting my device, i spoted that codemeter was too old . I don't see how to deal with this issue. is there a codemeter.deb somewhere ? thanks in advance for any help.
Last updated: 2024-09-17

Post by egau on Hard shutdown: no code on device after power on ^{CODESYS Forge} ^talk ^(Post)
This explanation aligns with the issues we’re experiencing with our machines. The scenario I described is happening with one of them (let’s call it Machine A). This machine is identical to another one (Machine B), except for some custom code that facilitates communication with an external Beckhoff PLC for MES integration in the production line. Machine B has been powered on and off daily for at least three months and has never had this problem. Given that, I highly doubt the MES custom code is the cause of the code corruption. This being said, your explanation does seem plausible. However, if faulty EtherCAT cables were the issue, why wouldn't the error occur during normal operation? Why would bad cables only cause problems during a hard shutdown? One last question: When you encountered this behavior, did you see a similar error in your logs? i.e, an "AccessViolation" exception in the EtherCAT Task?
Last updated: 2024-10-03

Post by george32 on TCP Server ^{CODESYS Forge} ^talk ^(Post)
Thank you for your advice Rinie, I have tried to follow this example but found one problem.When I disconnect with Hercules the system does not acknowledge the lost of its connection this could result in critical errors. Because of this error I am trying to implement the Syssocket library. With this library I am having a problem which I could not solve. I have the following code: ip_adres : STRING :='0.0.0.0'; port : WORD := 5000; iStep : INT := 1; // Socket information Socket_handler : SysSocket_Interfaces.RTS_IEC_HANDLE; Socket_handler_result : SysSocket_Interfaces.RTS_IEC_RESULT; Socket_adress : SysSocket_Interfaces.SOCKADDRESS; Addres_Convert : SysSocket_Implementation.RTS_IEC_RESULT; // Bind information Bind_handler : SysSocket_Interfaces.RTS_IEC_RESULT; // Listener Information Listener_handler : SysSocket_Interfaces.RTS_IEC_RESULT; Addres_Convert := SysSocket_Implementation.SysSockInetAddr(szIPAddress:= ip_adres,pInAddr:= ADR(Socket_adress.sin_addr)); Socket_adress.sin_family:= SysSocket_Interfaces.SOCKET_AF_INET; Socket_adress.sin_port := SysSocket_Implementation.SysSockHtons(usHost:= port); CASE iStep OF 1: // Create Socket Socket_handler :=SysSockCreate( iAddressFamily :=SysSocket_Interfaces.SOCKET_AF_INET, diType:=SysSocket_Interfaces.SOCKET_STREAM, diProtocol:=SysSocket_Interfaces.SOCKET_IPPROTO_TCP, pResult:=ADR(Socket_handler_result)); IF Socket_handler = SysSocket_Interfaces.RTS_INVALID_HANDLE THEN iStep := 1; ELSE iStep := 2; END_IF 2: Bind_handler := SysSocket_Implementation.SysSockBind( hSocket:=Socket_handler, pSockAddr :=ADR(Socket_adress), diSockAddrSize:=SIZEOF(Socket_adress) ); 3: Listener_handler := SysSocket_Implementation.SysSockListen( hSocket :=Socket_handler, diMaxConnections :=1); END_CASE When I am trying to get this working, the SysSockBind function gives a value of 16#207 which means adress already in use. I find this weird because of the IP-adress of 0.0.0.0. I think I am converting the Ip-adress in the wrong way, but the code does not give a error arround this. So therefore I cannot find the solution to this problem. I hope someone could help me with this problem. Thanks in advance George
Last updated: 2025-02-20

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 chalk on No source code available ^{CODESYS Forge} ^talk ^(Post)
Hello, This is my first time using Codesys, I am trying to add EtherNetIP communication to a Raspberry PI. I’ve added the EtherNetIP Adapter configured the network setting and added some modules to the pi but when I download the project it generates the following error: “There is no source code available for the object because it is in the compiled library ‘cip object, 4.5.1.0 (3s – smart software solution gmbh)’. Do you want to browse for the original library in order to display the source code? There are 2 errors in the log which are: SOURCEPOSITION App=[Application] area=3, offset=332760 EXCEPTION [Application] occurred: App=[Application], Task=[ENIPAdapterServiceTask] I can’t for the life of me work out how to get around this. I can’t find the source code anywhere or any information regarding this error. I’m using Codesys V3.5 SP19 Patch 3, the version of the Ethernet adapter is 4.5.1.0 and the version of the modules is 4.1.0.0. Any help on this will be greatly appreciated. Thanks
Last updated: 2024-02-02

Post by tim-roelant on Profinet fault with codesys control V3 - Receive packet error ^{CODESYS Forge} ^talk ^(Post)
I have set up a brandnew Beckhoff panel pc with a codesys control runtime V3. I configured it together with 2 profinet field devices: a 16in/16out IO module from Turck and an MTS linear encoder. The machine works fine untill all of a sudden the communication breaks and the profinet participants become unreachable. At that point I can still ping the device, but the profinet master does not find them anymore: When i do a scan they are not found. When i do a cold restart, the profinet master becomes active again and the devices are found again. In the log i get Ethercat packet receive error: sysethernet. I am a little confused, there is no ethercat device in the device tree. I already set the send clock and the reduction ratio to higher values, but without result. Can codesys be configured, so that the communication re-establishes without doing the cold reset? This is very annoying and is causing a lot of prodution losses. regards Tim
Last updated: 2024-02-27

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