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renatoa
11/24/2022 8:17 AM
Trick or... crack... er... Grin

allenb
11/24/2022 8:12 AM
Happy Thanksgiving to all

renatoa
11/23/2022 3:28 AM
Birdman and dpineau coffee drink

allenb
11/21/2022 5:46 PM
lig76ct Welcome

Rich Saurman
11/21/2022 5:22 PM
Hi! New member starting with SR540. I am brand new and slowly getting better results with this roaster. I am interested in any roasting pointers.

In Memory Of Ginny
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TC4 PID Control Duty Min-Max
iPa
Hi,
PID Control panel, the default Artisan value for Duty is Min=-100 Max=100.
For TC4 which value to use, Min=0 Max=100 is this correct?
Thank you

note: I use PAC Mode2
 
renatoa
Yes, the Min value should be zero of more.
I prefer to use the narrowest range of usable values in real roast, instead 0-100.
For example on my machine I have 20-80 min/max for ot1, set in TC4.
20% is the minimum I am using for preheat, and 65-72% is maximum reached in my roasts.
Did you tried to perform any kind of heat control with the Artisan PID? even the simplest, like reaching and maintaining a fixed preheat temperature ?
 
iPa

Quote

renatoa wrote:

Did you tried to perform any kind of heat control with the Artisan PID? even the simplest, like reaching and maintaining a fixed preheat temperature ?


Yes, to tune the pid, at first with fixed temperature, then with a curve.
But with wrong duty cycle value (-100/100) my settings was based on the video tutorial "TC4 Pid Control" !
Asap I wil make new tests with value 0/100 to see the impact.
The idea of narrowest values seems interesting, I will try next.
 
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