Hi Community, I see one annoying issue with variable status inside SafeDESIGNER, quite often I see the error message: [image] but I’m online with my CPU: [image] and I’m online with SafePLC: [image] Regarding communication settings: [image] Any idea? Thanks Ciao Valerio

As soon as I have completed in correct way the sequence for commissioning the safety prj reported in the post: SafeDESIGNER 6.4.1.0: I can’t open Variable status because of internal check said “Projects a re different” - Ask Questions / Controls & Vision - B&R Community I don’t see any more the conn…

Dear Valerio I’m currently experiencing a similar communication issue between my PLC and SafePLC. I’m unsure if they’re connected and communicating. I’m using an X20CP3584 PLC and a SafePLC X20SLX842 linked via X2X, and all the PLC lights are red except for the “r” light. The SE light is blinking c…

Hi Roman When I restart the PLC program or create a new program, it shows an FDT/DTM error along with a “plugged none” error inside the Logger. Do you know how to fix this error? This is probably the error preventing the PLC from communicating with SafePLC. [Ảnh màn hình 2026-05-18 lúc 16.00.…

Hi @trung123 , Can you share the SystemDump? Thanks Ciao Valerio

[image] Valerio Manenti: SystemDump? Hi Valerio I’ve found a way to connect, my SafePLC is working and I think it’s doing very well. It just needs remote control enabled, the safety program loaded onto the SafePLC, and then it restarts, after which it works normally. Currently, I’m testing …

SafeDESIGNER 6.4.1.0 > No communication with SafePLC

Ask Questions Controls & Vision

Zwi (Roman Zwischelsberger) May 18, 2026, 8:42am 4

Hi trung, did you have a look at this post for trouble shooting in general?

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SafeDESIGNER 6.4.1.0 > No communication with SafePLC

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