Post by bertus on Can't get SMC_SmoothPath to work ^{CODESYS Forge talk (Post)}
Hello all, I am trying to run a XY trajectory from a static G-Code file. Everything works except the smoothing/blending of the corners. My setup: Codesys v3.5sp18 Raspberry Pi 4 CODESYS Control for Raspberry Pi SL, using demo license. Zero axes (only using the interpolator). The order of processing for my decoding is: SMC_NCDecoder (ok) SMC_SmoothMerge (ok) SMC_SmoothPath (not ok) SMC_LimitDynamics SMC_CheckVelocities I created following instances and buffers: fbNCDecoder: SMC_NCDecoder; fbSmoothMerge: SMC_SmoothMerge; fbSmoothPath: SMC_SmoothPath; fbLimitDynamics: SMC_LimitDynamics; fbCheckVelocities: SMC_CheckVelocities; aNCDecoderBuffer: ARRAY[0..49] OF SMC_GeoInfo; // buffer stage 1 (fbNCDecoder) aSmoothMergeBuffer: ARRAY[0..19] OF SMC_GeoInfo; // buffer stage 2 (fbSmoothMerge) aSmoothPathBuffer: ARRAY[0..99] OF SMC_GeoInfo; // buffer stage 3 (fbSmoothPath) aLimitDynamicsBuffer: ARRAY[0..39] OF SMC_GeoInfo; // buffer stage 4 (fbLimitDynamics) My original G-Code file has a lot of short G1 elements but this example, I reduced it to a simple square: N000 G51 D10 N010 G38 O1 N020 G00 X0 Y0 F50 E1000 E-1000 N030 G01 X0 Y-37.5 N040 G01 X-75 Y-37.5 N050 G01 X-75 Y37.5 N060 G01 X0 Y37.5 N070 G01 X0 Y0 N080 G50 N090 G39 O1 In the Codesys CNC settings, I have these instances activated: SMC_SmoothMerge SMC_SmoothPath SMC_LimitDynamics SMC_CheckVelocities And with those settings (and the path-preprocessing button actived), the G-Code viewer shows the square with nicely blended corners (see attached picture). However, when running it on the PLC, it doesn't blend the corners at all. Below the relevant part of my code. The process is started with bDecode. // stage 1: decoding G-code fbNCDecoder( ncprog := square, bExecute:= bDecode, bAbort:= NOT bDecode, nSizeOutQueue := SIZEOF(aNCDecoderBuffer), pbyBufferOutQueue := ADR(aNCDecoderBuffer) ); // stage 2: merge short linear segments fbSmoothMerge( bExecute := bDecode, poqDataIn := fbNCDecoder.poqDataOut, nSizeOutQueue := SIZEOF(aSmoothMergeBuffer), pbyBufferOutQueue := ADR(aSmoothMergeBuffer), piMaxDifference := PI_MAX_DIFFERENCE, usiMaxDegree := 5, wFeatureFlag := 1, wAdditionalParamNumber := 0, dMinimumCurvatureRadius := D_MIN_CURVATURE_RADIUS ); // stage 3: smooth corners fbSmoothPath( bExecute := bDecode, bAbort := NOT bDecode, poqDataIn := fbSmoothMerge.poqDataOut, eMode := SMC_SMOOTHPATHMODE.SP_SPLINE5_MIN_CURVATURE, eAddAxMode := SMC_SMOOTHPATHADDAXMODE.SPAA_NONE, nSizeOutQueue := SIZEOF(aSmoothPathBuffer), pbyBufferOutQueue := ADR(aSmoothPathBuffer), dAngleTol := D_ANGLE_TOL, bSymmetricalDistances := TRUE, bImprovedSymmetricCuts := TRUE ); // stage 4: keep acc/dec and velocity within limits fbLimitDynamics( bExecute := bDecode, bAbort := NOT bDecode, poqDataIn := fbSmoothPath.poqDataOut, wAxis := 16#07, nSizeOutQueue := SIZEOF(aLimitDynamicsBuffer), pbyBufferOutQueue := ADR(aLimitDynamicsBuffer), bIncludePathSettings := TRUE, dMaxVel := 2500, dMaxAccDec := 10000 ); // stage 5: check the path speed fbCheckVelocities( bExecute := bDecode, bAbort := NOT bDecode, poqDataIn := fbLimitDynamics.poqDataOut, dAngleTol := D_ANGLE_TOL); pathQueue := fbCheckVelocities.poqDataOut; // repeat until MaxDuration ... Any idea what I'm doing wrong? Is smooth path supposed to work at all when using a demo license? Thanks.
Last updated: 2025-12-17

Post by tobiassantos on History of Alarms ^{CODESYS Forge talk (Post)}
I am running tests using the Windows runtime environment. The alarm history is not being logged and displays the error: "Some kind of disk I/O error occurred. Check disk space" in the alarm table. Furthermore, it is not possible to export the alarms. I have already tried to find a configuration field in Alarm storage and Alarm configuration to fix this problem, but I haven't found any related fields.
Last updated: 2026-01-05

Post by tobiassantos on History of Alarms ^{CODESYS Forge talk (Post)}
I am running tests using the Windows runtime environment. The alarm history is not being logged and displays the error: "Some kind of disk I/O error occurred. Check disk space" in the alarm table. Furthermore, it is not possible to export the alarms. I have already tried to find a configuration field in Alarm storage and Alarm configuration to fix this problem, but I haven't found any related fields.
Last updated: 2026-01-05

Post by gseidel on Mismatch between coordinate monitor and actual motion using SMC_GroupJog2, MC_MoveLinearAbsolute (6DOF) ^{CODESYS Forge talk (Post)}
Dear darwin03, my first guess is that the axis scaling of the last axis (joint 6) is not correct. It should be confiugured so that one technical unit equals one angular degree. From the video, it rather looks like 1 technical unit is a full revolution of the joint. (This holds for all rotary axes used with SoftMotion Robotics: they must be scaled so that one technical unit equals one angular degree.) Best regards, Georg
Last updated: 2026-04-07

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 mubeta on Some 'pathetic' errors in SoftMotion program ^{CODESYS Forge talk (Post)}
Hello everyone, I have a very simple program for the process, but it's driving me crazy and I can't see the problems I'm left with: Short topological description: Dual Core Berghof controller with softmotion runtime version 3.5.19.30; Two axes with servodrive on canopen bus, clocked distributed from master; Ethercat I/O node; 2 ms ethercat task, 2 ms canopen bus cycle time; I/O objects of the canopen master and canopen drives connected to the ethercat task cycle; Problem 1: Two separate programs each manage their own axis and drive, with separate state machines. A first axis moves primarily in velocity, except having to position itself absolutely at a predetermined point at the end of the job; the second axis, on the other hand, is a paper unwinder that changes, for each job cycle, from actions in absolute, relative, and cam displacement with the master axis. Well, the state machine of both axes was written in such a way as to call running the useful FB and change it on state change in this way: CASE i_stateMachine OF 0: o_Power(Enable := TRUE, bRegulatorOn := FALSE, bDriveStart := FALSE, Axis := o_PaperUnwinderAxis); o_MoveAbs(Execute := FALSE, Axis := o_PaperUnwinderAxis); o_MoveRel(Execute := FALSE, Axis := o_PaperUnwinderAxis); o_CamSelect(Execute := FALSE, Master := o_MachineAxis, Slave := o_PaperUnwinderAxis, CamTable := cam_PaperUnwinder); o_CamIn(Execute := FALSE, Master := MachineEncoder, Slave := o_PaperUnwinderAxis); o_CamOut(Execute := FALSE, Slave := o_PaperUnwinderAxis); o_SetPosition(Execute := FALSE, Axis := o_PaperUnwinderAxis); IF ... THEN i_StateMachine := 10; END_IF; 10: o_Power( Enable := TRUE, bRegulatorOn := TRUE, bDriveStart := TRUE, Axis := o_PaperUnwinderAxis ); IF o_Power.Status THEN i_StateMachine := 20; END_IF; 20: (* Avanzamento carta *) o_MoveAbs( Execute := TRUE, Position := o_Somewhere, Velocity := 25.0, Acceleration := 3666.7, Deceleration := 3666.7, Jerk := 48000.0, Direction := MC_DIRECTION.positive, Axis := o_PaperUnwinderAxis ); IF o_MoveAbs.Done THEN o_MoveAbs(Execute := FALSE, Axis := o_PaperUnwinderAxis); i_StateMachine := 30; END_IF 30: d_HomingPosition := ...; o_SetPosition( Execute := TRUE, Position := d_HomingPosition, Mode := FALSE, Axis := o_PaperUnwinderAxis ); (* ... *) IF o_SetPosition.Done = TRUE THEN o_SetPosition(Execute := FALSE, Axis := o_PaperUnwinderAxis ); o_LogServer.Append(sMessage := '...', lscClass := LOGSERVER_CLASS.ALWAYS, sdt := o_CommonsMgrData.systime.sdtLocal); i_StateMachine := 40; END_IF; 50: ... The code above is a sketchy example of what I wanted to write. But it gives me a spot problem: in some, the state change results in a drive error, which is unrecoverable except with a reinitialization via SM3_ReinitDrive(). Things are improved a little if in the program I always run the call of all softmotion blocks in this way: o_Power(Axis := o_PaperUnwinderAxis); o_Jog(Axis := o_PaperUnwinderAxis); o_Halt(Axis := o_PaperUnwinderAxis); o_MoveAbs(Axis := o_PaperUnwinderAxis); o_MoveRel(Axis := o_PaperUnwinderAxis); o_CamIn(Master := MachineEncoder, Slave := o_PaperUnwinderAxis); o_CamOut(Slave := o_PaperUnwinderAxis); If I don't execute all the calls of all the motion FBs used, when exchanging machine state often (but not always), the axis goes into error with event id THE_FB_WASNT_CALL... Done a little diagnostics it seems that the FBs return the bDone, before they are completely terminated. I tried doing the machine state exchange not with the bDone bit of the FBs, but with the 'standstill' state of the axis. It didn't seem to change anything. Problem 2: During the use SM3_ReinitDrive() I get the erro in the log: "NetID 0: SDO read error for object 16#607C..." Assuming that the device involved it's one of the two servodrive, (no others device are present in the network), I don't found any object 0x607C in the 'possible object list in/out' of the two drive, and I don't understand where this object can be listed. So any ideas and suggestions regarding these two issues will be very, very welcome. If you need the source project, I am willing to send it.
Last updated: 2024-07-17

Post by raghusingh77 on Get $100 Off Temu Coupon Code [ACU934948] | + 30% Discount ^{CODESYS Forge talk (Post)}
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Last updated: 2024-10-26

Post by jegerjon on Find index based on values ^{CODESYS Forge talk (Post)}
Hi, I need to figure out witch indexes of an Array containing the highest and lowest values. Typically search for the 5 lowest values and result the indexnumbers containing the 5 lovest values. is there a library for this, or codeexample?
Last updated: 2023-08-20

Post by jegerjon on Find index based on values ^{CODESYS Forge talk (Post)}
Hi, I need to figure out witch indexes of an Array containing the highest and lowest values. Typically search for the 5 lowest values and result the indexnumbers containing the 5 lovest values. is there a library for this, or codeexample?
Last updated: 2023-08-20

Post by reinier-geers on Ping By Name ^{CODESYS Forge talk (Post)}
To bad. Controller uses Version 9.2 But i dont see a lower version of net bas Service. Maybe i can try a linux command.
Last updated: 2023-08-29

Post by felipemsgarcia on EtherCAT - Force Control Word ^{CODESYS Forge talk (Post)}
What worked for me: Use SMC_SetControllerMode and set the nControllerMode to SMC_nocontrol. With that, you can control the drive via Modes of Operation(16#6060) and Controlword(16#6040) directly. Hope that helps, Cheers!
Last updated: 2023-08-31

Post by tvm on Ranges, Lambdas, on Fixed arrays of structs ^{CODESYS Forge talk (Post)}
Have you looked at this? https://forge.codesys.com/prj/codesys-example/element-collect/home/Home/ It's not exactly what you're looking for, but I've been able to make some things work more efficiently using this library.
Last updated: 2023-08-31

Post by marekxc on Error C0521 - unknow compiler ^{CODESYS Forge talk (Post)}
Select in tree "DEVICE", right-click and select "Update Device" Select "Library manager" and Change the version of the Library (down manualy). Samoetimes "Try reload Library". If you open a project version 3.5.19 in version 3.5.16, there are difficulties.
Last updated: 2023-09-02

Post by ryandmg on Web Client (HMI) Disconnects from Webvisu (Weidmuller u-OS) ^{CODESYS Forge talk (Post)}
Thanks So Much for the reply! Were using the Weidmuller UV66-ADV-10-CAP-W The HMI is pointed to the URL which is assigned through u-OS. Basically when you log into the controller's webserver via browser you can view the installed apps. One of which is the Codesys runtime. When you click on that it takes you to the visualization. That corresponding url is what the HMI is looking for. I apologize I don't have that on hand as I'm in the office right now. I don't think I tried connecting using the port you mentioned and https in lieu of the u_OS URL. I can certainly try. Out of the box the u-OS is set for HTTP. Since we're isolated I havent changed that yet. When this has happened while logged on via chrome on my laptop, simply refreshing brings the visualization right back. In the case of the HMI in kiosk mode, we power cycle the HMI to force a reconnect, log back in u-OS and the visualization is back.
Last updated: 2023-09-06

Post by nyee on Project compiling error in Simulation mode ^{CODESYS Forge talk (Post)}
Hi, I have a similar issue - we have been using codesys V3.5.16.20 Do you have any suggestions or confirmation that this will work with a different version of codesys and Pi extension
Last updated: 2023-09-07

Post by dexterdva on Creating a custom kinematics starting from Scara2 model. ^{CODESYS Forge talk (Post)}
Hello, I'm trying to develop a custom kinematics derived to Kin_Scara2_Z. there is someone that have the source code of this library? Thanks Dexter
Last updated: 2023-09-11

Post by danwoodlock on RPI Zero w - Edge gateway cant install ^{CODESYS Forge talk (Post)}
I believe the reason that I eventually lose my ability connect is because of exceeding the time limit for demo mode. Still unsure why I cannot update the edge gateway though.
Last updated: 2023-09-13

Post by danwoodlock on RPI Zero w - Edge gateway cant install ^{CODESYS Forge talk (Post)}
Thanks very much for the explanation. I am basically new to the rpi world, but somewhat familiar with the indraworks/CtrlX versions of codesys. Appreciate your help.
Last updated: 2023-09-13

Post by timvh on Troubles with using CAN API ^{CODESYS Forge talk (Post)}
In the example project, you can see that a CAN.CANAreaReceiver is used which has an VAR_IN_OUT reference to a RECEIVER_AREA structure. This structure has a dwIdStart and dwIdEnd to filter a range of ID's and process them through the referenced msgProcessor.
Last updated: 2023-09-19

Post by rschwager on description about the build compiler definition ^{CODESYS Forge talk (Post)}
Hi CODESYS moderators and user! Is there any description about the compiler definition in property of application? e.g.: CANOPEN_NO_HEARTBEATPRODUCING Is there more definition? Best regards Robert
Last updated: 2023-09-26

Post by sturmghost on Specify Input Configuration "OnDialogClosed" Action to only react to certain Dialogs ^{CODESYS Forge talk (Post)}
You could work around this problem by implementing some sort of "state machine". Each dialog sets a boolean variable when they are closed so you know which dialog was closed. Then you can react to this accordingly.
Last updated: 2023-10-01

Post by simond on The required device description is not installed.. ^{CODESYS Forge talk (Post)}
Hi folks, can someone please tell me how to go about fixing this issue? I am getting this error when I implement an instance of the J1939_Manager. Thanks Simon
Last updated: 2023-10-03

Post by damian177 on Delete PLC Log ^{CODESYS Forge talk (Post)}
You already know how clear log ? In codesys I am reading twenty Modbus TCP Devices. When several of those doesn't response , the logs is grovs very fast and my PLC hangs.
Last updated: 2023-10-16

Post by snhatton on Can't open online view of FB instance from code editor, only from Device/POU windows ^{CODESYS Forge talk (Post)}
Good morning, Yes, this is a known bug that has been reported. For now, the only workaround is to open the function block instances from the device tree. Regards, -Shawn
Last updated: 2023-11-08

Post by davidredondo on Send file from codesys to...... ftp, cloud, etc ^{CODESYS Forge talk (Post)}
Hi all, I am also looking for a solution to transfer a csv file from ifm HMI-PLC to some cloud and finally to node-red, for example. Do any of you advise me how to do it? Thanks
Last updated: 2023-11-08

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