Post by enteralike on IO Drive on C manual
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Hi, If you’re looking for something “for dummies”, I’d recommend: Start from a working sample device. Strip it down to minimal functionality. Then add your own read/write handling step by step. Use logging early and heavily to understand the call sequence. There usually isn’t a simplified beginner manual — the examples are the real documentation. More details, contact me via snake game
Last updated: 2026-02-03
Post by winki on Error in licence activation
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I am using Codesys Control for linux ARM64 SL. Installed with the SL deployment tool
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SysProcessCreate stopped working after SP21?
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SysProcessCreate stopped working after SP21?
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IO Drive on C manual
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Post by russells on Codesys ControlWinV3x64 with EtherCat Slave
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Hi there I am running Codesys ControlWinV3x64 (Patch 4) on my laptop for demonstration purposes but I am unable to get connection to the EtherCAT master and slave device. This is the process that I have followed: * Installed NPCap. * Added the xml file for the SMC slave device to the Device Repository. * Activated Control Win SysTray x64 and selected Start PLC. * Scanned the network for the local device (my laptop). * Added an EtherCAT master to the project and scanned the EtherCAT master for the Network and then selected the correct network. * Selected "Scan for devices" to identify the connected I/O. * Add the SMC EtherCAT slave manually because I was unable to scan it in. * Selected "Scan for devices". I have followed the steps described above but I can't scan in the EtherCAT slave or connect to it. I thought this situation was unique to the EtherCAT slave but I have also tried the same for an EtherNet/IP slave using the Ethernet Adaptor and EtherNet/IP scanner and I am also unable to scan in the device or activate the EtherNet/IP network. Any assistance will be appreciated.
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Post by eschwellinger on Codesys ControlWinV3x64 with EtherCat Slave
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please check the plclog for more information. sounds like NPCap does not work.
Last updated: 2026-02-04
Post by mrkm-dic on CODESYS: Combining Master Redundancy with EtherCAT Ring Topology – Is it Supported?
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Hello, I would like to ask whether it is technically supported (and practically achievable) to combine CODESYS Master Redundancy with EtherCAT ring (loop) redundancy in the same system. System setup CODESYS version: CODESYS 3.5.21.40 CODESYS Control SL for Weidmuller u-OS-4.12.2.0 Controllers (Masters): Weidmuller UC20-M4000 ×2, configured as Active / Standby using CODESYS redundancy EtherCAT Slaves: Weidmuller UR20-FBC-EC ×3, supporting EtherCAT ring / line break detection Topology: EtherCAT ring (loop) Main question Is it officially supported to use: ・CODESYS PLC/Master redundancy (Active/Standby) and ・EtherCAT ring topology (for cable redundancy) at the same time? Expected behavior Our expectation is: ・When the Active PLC fails, the Standby PLC becomes Active ・The Standby PLC then takes over the role of EtherCAT Master ・EtherCAT communication is re-established ・I/O control continues after reinitialization (a short interruption is acceptable; no strict bumpless requirement) We do not expect completely seamless / zero-cycle switchover, but we want to understand: ・Whether this combination is supported by design ・Or whether there are known limitations or restrictions when EtherCAT ring mode is used together with Master redundancy Clarification At this stage, the question is mainly about feasibility and support, not about a specific error message yet. Any official guidance, limitations, or real-world experience would be greatly appreciated. Thank you in advance.
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Post by russells on Codesys ControlWinV3x64 with EtherCat Slave
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Much thanks. I reinstalled NPCap and it is now working. Much thanks.
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