Post by eschwellinger on Two OneWireMaster on one Raspberry PI 5
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you need to have an own task for the one wire and io update these slaves in an own low prio task!
Last updated: 2025-10-18
Post by s1mon on Two OneWireMaster on one Raspberry PI 5
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yes sure. Thx for your support! This is the Codesys project stripped down only to my EtherCat and OneWire Configuration. The Project now contains only one OneWire Master on GPIO4.
Last updated: 2025-10-20
Post by eschwellinger on Two OneWireMaster on one Raspberry PI 5
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the project has only one OneWire Master - so if you add the setting "PlaceholderFilePath.2=/sys/devices/w1_bus_master2, $OneWire2$ to the config file it will fail and the Ethercat task will be blocked by the OneWire Master readings?
Last updated: 2025-10-21
Post by alimans on Unrecoverable SoftMotion state after switch to PreOp
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Hi Kim, Hi eschwellinger, how you could solve the problem? I am using Codesys V3.5.19.60 and I still have the same problem. It will work only after a warm/cold restart. Thank you in advance for your kind help.
Last updated: 2025-10-22
Post by vtec35 on search runtime 4.9.0.0 for pi 3
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i have update the package 4.13 n the computer and install all update for all package, now impossible to start codesys... when i start to open any project i have a message invalid project...
Last updated: 2025-10-26
Post by kporter on SoftMotion, accessing PDO input data via object ref/pointer
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It looks like one can use the OutputData and InputData members of ETCSlaveStack: https://content.helpme-codesys.com/en/libs/EtherCATStack/4.2.0.0/EtherCATStack/ETCSlaveStack.html
Last updated: 2025-10-29
Post by kporter on Exception with ReadNbrSlaves function
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I've been playing with the code using the Windows soft master and the ReadNbrSlaves function block seems to work here: https://content.helpme-codesys.com/en/libs/EtherCATStack/4.8.0.0/EtherCATStack/pou-ETCMasterStack/DynamicConfig/fld-DynamicConfig.html
Last updated: 2025-10-31
Post by kalmeyer on Stepper motor control with (SM_Drive_RaspStepper_direct)
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Is there perhaps a place where I can see examples of programming with different instructions? This would be a great help. Maybe there are some places where ready-made programs are posted that can be downloaded and tested? /Klaus
Last updated: 2025-11-10
Post by nano on conformation about the CODESYS Extends SL and CODESYS SDK
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as an oem i can tell you, extension sl isn't the sdk. its more an hard restricted part of it with much missing parts. why u may ask this?
Last updated: 2025-11-11
Post by eschwellinger on EtherCAT status errors
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Setting IRQ priorities using shell commands irq-list and irq-set-prio for the network adapter which is used for Ethercat. This is here: https://content.helpme-codesys.com/en/CODESYS%20Control/_rtsl_performance_optimization_linux.html
Last updated: 2025-11-25
Post by timvh on Error: C0138: No matching 'FB_Init' method found for instantiation of VisuClientObjectMgr
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Maybe check: - The library manager, are you maybe missing some libraries - Tools - CODESYS installer: update the CODESYS Visualization and Visualization support - Project - Project environment: maybe you need to update the visualization profile
Last updated: 2025-11-27
Post by gseidel on SMC_ERROR.SMC_AXIS_NOT_READY_FOR_MOTION when using Drive Virtual
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Hi ducng, you need to make sure that MC_Power.Status is TRUE before you give a rising edge to MC_MoveRelative.Execute. (This is the same for virtual and real axes). Best regards, Georg
Last updated: 2025-11-27
Post by gseidel on STEPPER CODESYS SOFTMOTION_DRIVE
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Hi kalmeyer, I would recommend to have a look at these examples. They come with a project and a description: https://content.helpme-codesys.com/en/CODESYS%20SoftMotion/_sm_basic_examples_single_axis.html. Best regards, Georg
Last updated: 2025-11-28
Post by unusual-data on C0138: No matching 'FB_Init' method found for instantiation of VisuClientObjectMgr
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you can try to disable "Visualization Manager - Settings - Support client animations and overlay of native elements " selection" It worked for me, thank you.
Last updated: 2025-12-18
Post by kledo5 on What is the CFC editor (page oriented) "Add page" keyboard shortcut?
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Thanks for sharing this helpful tip with the tech community; I've learned so much new stuff. Let's take a break and play drift hunters, everyone! This top-notch racing game helps relieve stress after a tiring workday.
Last updated: 2026-01-06
Post by reinier-geers on SYSDIR 3.5.17.0
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I had a funcioning Directory read wit SYSDIR. Now ive got a new controller with Linux. and now i get only ordners Names. NO file Names !! WHY ? It workt already on a other with linux. But that was i think version 14
Last updated: 2026-01-06
Post by reinier-geers on SYSDIR 3.5.17.0
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I had a funcioning Directory read wit SYSDIR. Now ive got a new controller with Linux. and now i get only ordners Names. NO file Names !! WHY ? It workt already on a other with linux. But that was i think version 14
Last updated: 2026-01-06
Post by clockben on Python script to add libraries to project
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Hello, I have the same issue β some libraries arenβt resolved. When I load the libraries manually and delete them, reloading with the script works fine afterward. Have you found a solution since then? Many thanks in advance
Last updated: 2025-11-11
Post by davidbo on *EXCEPTION* [ProsessorLoadWatchdog] codesys 3.5.11.40
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Under Application->"Task Configuration" you can find your task double click on that and you will see a fane to the right. You find the watchdog enable switch it off or increase the time
Last updated: 2025-11-17
Post by bruno-roth on Parker Compax3 controlled by Schneider LMC 201
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Hello, you could use any CODESYS PLC which has an EtherCAT master and the possibility to run the CODESYS Softmotion.
Last updated: 2026-01-13
Post by mtorell on Safe Editor in codesys v3.5sp21p30
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How do I negate an output signal from an OR gate. I have tried right click to no avail and I cannot find an propriate NEGATE box? I want to save the output from the block to an inverted variable.
Last updated: 2026-03-12
Post by hannibal on Codesys Trend - setting Y axis minimum and maximum as variables - error
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Hi, It was my fault. I was using a REAL variable instead of INTEGER. Sorry for posting this.
Last updated: 2026-03-22
Post by away on Visualization stops responding
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Hi @spiritcore, Did you find a resolution to this? I'm running into a similar issue using TargetVisu when a user uses the login. It only happens sometimes, and when it does the login/logout buttons still work but the other buttons on the screen don't work.
Last updated: 2026-04-22
Post by ph0010421 on Network variable stops sending
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I'm having right now trouble if the NVL is 'big' and I've needed to reduce the size. It sends for (about) 1 hour then stops.
Last updated: 3 days ago
Post by gseidel on SMC_Trafo 6DOF Config Error
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Hi jgalaska, the parameters and their valid ranges are described here (0). In particular, the parameter d1 must be non-positive (<= 0). (0) https://content.helpme-codesys.com/en/CODESYS%20SoftMotion/_sm_trafo_pou_six_dof_robot.html#UUID-5451338b-a728-5c42-0f62-d9735b01d032_id_b18ea4b1b308acfdc0a8646358edc019_id_e7016982df408f59c0a8657d017550b3 Best regards, Georg
Last updated: 2026-01-21
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