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After autotuning, the Fuji would behave similar to what you’re describing, way under and way overshooting. Autotune may not have been able to derive the best PID settings using the 20 second cycle time.
Dtg else that can cause wide swings with a PID controller is if your cycle time is too slow. Merry Christmas to all.
This device have no buttons. Hi Brandon, please disregard the “please update”. I once tried to autotune my Fuji PID controller using a setpoint value that was within a degree or two dgb 1st crack. Yes, as soon as autotune ends, the temperature swings happen, and never stop. I tried to manually change the PID settings with no success. If you’re still not totally satisfied with the PID performance you might consider doing another autotune now that the cycle time is optimized.
Repeat the steps 3 and 4 three times within 60 secondsand If everything is OK, all led should switch to ON as below picture.
First Build – 5kg Maureen, FYI, during an autotune session, the firmware will take the setpoint value way over the setting you made for X time and way below your setting for X time to determine the hysteresis of the device being heated and make the necessary PID calculations. I’ve been communicating with the Delta guy, I am successfully connected to my laptop, and have the software set up.
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But what happen with DTC? When I re-did the autotuning using for a setpoint value it worked as it should.
This is usually the last phase of an autotuning session. I am attempting to control my Poppery 1 with a PID. Happy new year for you all.
Am I using the wrong SSR? Blower coil pipe in central air-conditioning system, heating system. You’re welcome, glad to help. It now works great. If this is the case then there might be a way to improve things. Industrial and Medical Power Supplies. The ones of you who deal with Dgb temperature controllerssooner or later found on the situation to reset the Temperature controller to default values.
Click here to register. Optional Event function, using PLC or switches to switch between 2 different set temperatures. Optional CT wire breaking detection function, an alarm output. Request a new one here. I am trying to tune at f, but with no beans in the popper, so perhaps it is too volatile to tune.
The PID will autotune, and seems to control the temperature quite well during that 20 to 60 second period, then it just goes crazy, dropping the temperature 75 degrees, then overshooting the set value by 50 degrees. I’ve followed his instructions, but the results remain the same.
Products – Temperature Controllers – DTB Series – Delta Group
Celsius or Fahrenheit temperature display. Artisan logging temp problems. By using this website you agree to the placement of cookies. Thanks for the replies. I think we’re all up to speed now.
Delta, Delta 100 to 240 VAC & 24 VDC Delta Temperature Controller DTB
Enter your email address to subscribe to this blog and receive notifications of new posts by email. Or you use the LED code of the manual to guess the protocol and address. Maximum 3 groups of dtbb switches are available, with 18 alarm modes each.
Have a question or need any assistance that should be answered by a professional? There’s nothing that will keep one up late and unable to sleep more than when our roaster is not feeling well! The cycle time control period1 on the Delta software was at It was not possible for it to derive usable PID settings when autotuning near 1st crack due to the vapor release, wacky temperature dgb at that stage of a roast.
So, if you display your PID settings before etb after autotuning, there’s no change in the values? Join 1, other followers. Merry Christmas to everyone! Some odd Artisan or TC4 problems.