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Post by colorearm on Active vs Unacknowledged Alarm
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I need this exact same logic for my buzzer and light tower! Following this thread for a https://colorearm.com/.
Last updated: 2026-09-22
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Motion 🇬🇧
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Realizing single or multi axis motion control, CAM, CNC and Robotic applications
Last updated: 2026-09-22
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Post by hena32 on Exploring Creative Ideas with CODESYS
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CODESYS provides an interesting environment for experimenting with automation, control logic, and structured programming. What I particularly enjoy is how a relatively simple control concept can be expanded into a more interactive project by combining logic, visualization, and user input. For example, a small practice project could involve creating a monitoring interface with several status indicators, timers, switches, and event conditions. This kind of project is useful for understanding how different components communicate within a control application while also making the learning process more engaging. Creative projects can take inspiration from many places. Even game concepts such as https://fnaf1game.io/ can provide ideas for experimenting with monitoring screens, timed events, warning indicators, and state-based logic. Of course, the actual implementation can remain a simple technical exercise focused on learning CODESYS concepts. I think projects like these are a great way to move beyond basic examples and explore how PLC programming, visualization, and automation logic can work together. They can also make it easier for beginners to understand concepts such as timers, conditions, variables, and state machines through practical experimentation.
Last updated: 2026-09-24
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Visualization 🇬🇧
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Realizing operator screens with CODESYS HMI, Targetvisu, Webvisu
Last updated: 2026-09-24
Post by sigbjorn-kleppe on How to display only legend description and not variable name
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I seem to have missed the "Display variable name" option in the trend recording. This fixed the issue.
Last updated: 2026-09-24
How to display only legend description and not variable name
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How to display only legend description and not variable name
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How to display only legend description and not variable name
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How to display only legend description and not variable name
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Post by sigbjorn-kleppe on How to display only legend description and not variable name
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I seem to have missed the "Display variable name" option in the trend recording. This fixed the issue.
Last updated: 2026-09-24
SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving
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SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving
Last updated: 2026-09-25
Post by kishan on SMC_Interpolator / CNC Abort – ControlAxisByPos Sometimes Remains Busy and Axis Continues Moving
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Hello, I am working with CODESYS SoftMotion CNC using a preprocessing chain, SMC_Interpolator, and SMC_ControlAxisByPos for controlling the CNC axes. I have noticed an issue when aborting CNC execution. When I execute the Abort command, I abort both the CNC preprocessing blocks and SMC_Interpolator. Normally the CNC process stops correctly. However, occasionally after the abort: SMC_Interpolator has already been aborted. CNC preprocessing has also been aborted/reset. But SMC_ControlAxisByPos.bBusy remains TRUE. The corresponding physical axis can still continue moving for some distance. This does not happen every time. My basic sequence is similar to: G-code / CNC preprocessing ↓ SMC_Interpolator ↓ Transformation ↓ SMC_ControlAxisByPos ↓ SoftMotion Axis When the operator requests CNC Abort, I set the Abort inputs of the interpolator and preprocessing function blocks. My questions are: Does SMC_Interpolator.bAbort only stop/reset the interpolator, or should it also stop the motion currently being executed by SMC_ControlAxisByPos? Can SMC_ControlAxisByPos remain Busy after the interpolator has been aborted? If bAvoidGaps = TRUE, could SMC_ControlAxisByPos still be trying to reach the last fSetPosition using the fGapVelocity / fGapAcceleration / fGapDeceleration settings after the interpolator has stopped? What is the recommended sequence for safely aborting a running CNC program? For example, should the sequence be something like: Stop / Abort Interpolator Disable SMC_ControlAxisByPos Execute MC_Stop for all physical axes Wait until all axes reach standstill Abort/reset preprocessing blocks and CNC queues Reset CNC state Re-enable axis controllers Or is there a recommended CODESYS CNC method for performing a complete CNC Abort? I would especially like to understand why SMC_ControlAxisByPos.bBusy can occasionally remain TRUE and continue moving the axis even though the interpolator and preprocessing blocks have already been aborted. CODESYS SoftMotion CNC is being used with real EtherCAT servo axes. Any explanation about the correct abort/stop sequence would be appreciated.
Last updated: 2026-09-25
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