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Homeroasters.org » ALL ABOUT ROASTERS » ROASTING SOFTWARE APPS
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Gene with Artisan and TC4
Masterkey
Hello,

I plan to control the heater of my Cafe Gene with Artisan and a TC4. What do I need for that? I want to use the software-PID that is implemented in Artisan. Can I do that with a dimmer or a SSR? I have no zero cross detection already. What specification do the SSR or the dimmer need to contol it with the TC4? Is there a specification of the TC4? I have the version V7.00.

Masterkey
 
renatoa
Is there available somewhere a controllable dimmer ?
Actually both are using the same principle: modify the duty cycle.
And do it right.
The difference if that the dimmer do this at a finer level, synchronous with sinusoid zero cross, 100/120 times per second, while the SSR chop the power on-off more rough, 2-3 times per second.

How do you plan to measure temperature in that decentered rotating drum?
DIY: TurboOven, Popcorn
Moded commercial: Dieckmann RoestMeister, Nesco
PID/ramp/soak controllers
 
Masterkey
I want to buy this one:
http://www.conrad...ac-230-Vac

If necessary I also will buy this addiation modul:
http://cpc.farnel...dp/HK01172

Do you thing this will work? Or is it cheaper with an SSR?

First I want to control the temperature not inside but on the inlet of the drum.
 
renatoa
The dimmer from conrad is manual control, not related to TC4

The additional module is controlled by a continuous voltage or a PWM signal, no idea if TC4 support any of them, all I learnt so far is about driving a SSR only.

A SSR is cheaper than the dimmer from conrad, but you need the zero cross module for TC4 also.

You want to control temperature based on ... which logic ?
Does Artisan feature any Gene control module based on exhaust temp ?
DIY: TurboOven, Popcorn
Moded commercial: Dieckmann RoestMeister, Nesco
PID/ramp/soak controllers
 
Masterkey
What ist the OT1 Output of the TC4 when it is Artisan controled?

I want to control the temperature with the integrated software PID. My idea is to record a temperature curve while i roaste manualy, and then let the roaster do it the same controled by the PID.
 
renatoa
You are right, I learnt something new, OT1 can be configured as a PWM control output.

Still... using the two kemo components sounds more complicate and expensive than a SSR.
DIY: TurboOven, Popcorn
Moded commercial: Dieckmann RoestMeister, Nesco
PID/ramp/soak controllers
 
Masterkey
Here you can see that it is not necessary to use a zero cross detection if you would like to control a heater with a SSR:
http://www.instru...ys-Theory/

How can I configure the OT1 output?
 
renatoa
For Artisan related stuff best is to contact user Marko, the real authority in this field.
DIY: TurboOven, Popcorn
Moded commercial: Dieckmann RoestMeister, Nesco
PID/ramp/soak controllers
 
greencardigan
Masterkey wrote:

Hello,

I plan to control the heater of my Cafe Gene with Artisan and a TC4. What do I need for that? I want to use the software-PID that is implemented in Artisan. Can I do that with a dimmer or a SSR? I have no zero cross detection already. What specification do the SSR or the dimmer need to contol it with the TC4? Is there a specification of the TC4? I have the version V7.00.

Masterkey


The TC4 can control a heater using a normal zero cross SSR. With this setup it will pulse the heater on and off.

Or, if you use a zero cross detector, you can control the heater with a random fire SSR.

I don't know about the Gene but I suspect the pulsed heater with normal SSR will be fine.

Do you know what sketch is loaded onto your TC4?
 
Masterkey
Yes I also think the pulsed heater with normal SSR will be ok.

I have the new TC4 Version 7.00 ordered last month. I think there should be the newest sketch loaded onto the TC4. Or do you mean the Arduino sketch. I loaded aArtisanQ_PID_4_3 onto the Arduino Uno
 
greencardigan
Yes I meant the Arduino Sketch. Version 4_3 is a bit old now and I think it requires a zero cross detector as it configured to do phase angle control only.

Version 6_2_2 allows for slow PWM control of a heater connected to OT1. It still has a bug that affects the fan control frequency but I don't think you will be controlling a DC fan with the Gene.

https://github.co..._6_2_2.zip

Make sure you look at the Configuration Options pdf in the download as it will help you with setting the options in the user.h file.
 
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