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Post by hughbecker on Attribute FB for comment
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If you’re getting unexpected behavior in CODESYS, double-check that your task priority and cycle times are set correctly — often issues come from tasks preempting each other or running faster/slower than expected. Also make sure your variable scopes and retentive settings are configured as intended, since uninitialized or overwritten variables can lead to inconsistent results. If you can share the relevant part of your project or error messages, it’ll be easier for others to pinpoint the exact cause. wheelie life
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Post by scrollman on Attribute FB for comment
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Hello, I can use {attribute 'reflection'} FUNCTION_BLOCK POU VAR {attribute 'instance-path'} {attribute 'noinit'} str: STRING; END_VAR to get name of FB. How I can get the comment of FB, in the same way in the FB? Thank you for your time!
Last updated: 2025-12-31
Post by bertus on Axis directions in CNC editor not using right-hand rule?
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Hello, Coming from robotics, I'm used to coordinate systems using the right-hand rule. But when I created below small NC program in the Codesys CNC editor, I noticed that the axis triad's Z-axis is flipped (see attached screenshot), resulting in left-hand rule. Is there a setting to change this? Or am I misunderstanding something in the CNC world? N000 G00 X0 Y0 N010 G01 X100 N020 G01 Y50 N030 G01 X0 N040 G01 Y0 N050 G01 Z25
Last updated: 2026-01-02
Post by bertus on Can't get SMC_SmoothPath to work
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Thanks. I will do more investigation and testing next week.
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Post by baott569 on CODESYS OPC UA Security: HMI Client Not Receiving Server Certificate
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Hello everyone, I am currently using OPC UA in CODESYS with the security mode BASIC256SHA256 – Signed and Encrypted. The OPC UA Server is running on an RTE CX device, and the HMI is running on another computer. I have reviewed many CODESYS documents and successfully established communication when the security mode is set to None with Anonymous login. However, when security is enabled, the server does not provide its certificate for the CODESYS HMI client to trust. Interestingly, the client can send its certificate to the server, and UAExpert works normally, but the CODESYS HMI client does not receive the server certificate. Can anyone help clarify what I might be missing? I have been stuck on this issue for three days. If I missed or misconfigured any step, please let me know. I believe I am stuck at step 15 in the following CODESYS guide: Encrypting the Communication of a Data Source OPC UA Client https://content.helpme-codesys.com/en/CODESYS%20Communication/_cds_encrypt_communication_data_sources_opc_ua_client.html Thank you very much.
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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
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