Last seen: Sep 22, 2026
> it's only Fill_SP_1 and Fill_SP_2 that revert That's your tell. The panel writes fine, then something in the PLC writes it back. Right click Fil...
Neither. The signature is a checksum of the whole safety task plus a timestamp. Studio 5000 generates it on that tab and you lock the safety applicati...
> it goes back to the start and looks again Forever, inside one scan. The controller never reaches the end of the task, so the watchdog fires. Rai...
> 16#4000 is 100 percent Yes, 2000 is 50 percent and p1080 minimum is 0. Tried 4000 as well. Still ready to switch on, still nothing.
Ron's right about the pit. The tag values are all still there after an outage, the difference is what the instruction does with them on the way back i...
> OB 121 not available That line is the one that matters, not the battery. On a Logix box this would be a major fault with a code and the controll...
> the line with the reason FTTM log: "Login failed for user 'fttm_svc'" repeated every 10 seconds since 18:42 Friday. SQL side says the same, erro...
> data type INT Half the answer's in that line. An INT can't hold 12.5, so the driver rounds or refuses on the way in. In TIA the same thing gives...
> "Input Registers (3xxxx) read only" That heading is your answer. The totals are input registers, function code 4. You're asking with 47001, whic...
Controller Properties, SFC Execution tab. What's Last Scan of Active Steps set to? Don't scan is the default if I remember right.
Third block if there's a free position, and don't let anybody suggest killing the pulse test on that point instead. On an e-stop channel that pulse is...