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Old 10-30-2009, 02:38 AM   #1
jakeshivers
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hey all,

I'm getting ready to build an electric rig. I know nothing about electricity, or temp controllers. Can someone give me a tutorial on how these gadgets work?



http://www.auberins.com/index.php?ma...=index&cPath=1




 
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Old 10-30-2009, 03:04 AM   #2
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Wow. Dude that's a huge tutorial you're asking for. I suggest searching posts with "PID" or "SSR" first.



 
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Old 10-30-2009, 03:06 AM   #3
jakeshivers
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Cliffnotes?

 
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Old 10-30-2009, 03:06 AM   #4
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Yeah... I have some threads on E-HERMS building and the use of PIDs and SSRs.

But yah, that is A LOT of information you are looking for, Id start with the search function.

 
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Old 10-30-2009, 06:27 PM   #5
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If you're not totally set on the auber PIDs, here's a more interactive option:
http://www.embeddedcontrolconcepts.c...ample_System_1
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Old 10-30-2009, 06:50 PM   #6
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PID has an input and an output.

The PID watches the input (i.e., temperature sensor). If that input drops below a specified temperature (setpoint), the PID turns the output on. When the input exceeds the the setpoint, the output turns off. That is about it. Some PIDs have other modes (i.e., a "manual" mode that ignores the input and just pulses the output at a user-defined duty cycle).

Look up the definition of PID on wiki for much more detail than you need.

Note that the output can only drive small current. So, to switch large loads (like an electrical heating element), you need a relay. Mechanical relays aren't very good for constant switching, so solid state relays (SSR) jump in to help.
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Old 10-30-2009, 11:53 PM   #7
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By the time you purchase all the PID's you'll have more money invested vs a single BCS 460 contoller unit besides having the ability to up and down load for future repeatable brewing sessions. When I sold my last brewing system that was the last time i'll own PID's, this is my thinking from past PID usage.
Pick which system makes you happy.
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Old 10-31-2009, 01:12 AM   #8
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Quote:
Originally Posted by BrewBeemer View Post
By the time you purchase all the PID's you have more money invested vs a single BCS 460 contoller unit besides having the ability to up and down load for future repeatable brewing sessions. When I sold my last brewing system that was the last time i'll own PID's, this is my thinking from past PID usage.
Pick which system makes you happy.
I'd prefer to brew without a computer. To each his own.
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Old 10-31-2009, 01:23 AM   #9
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The electric system I built only needs one PID and one SSR so it cuts down on the costs a bit.
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Old 10-31-2009, 01:27 AM   #10
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Quote:
Originally Posted by BrewBeemer View Post
By the time you purchase all the PID's you have more money invested vs a single BCS 460 contoller unit besides having the ability to up and down load for future repeatable brewing sessions. When I sold my last brewing system that was the last time i'll own PID's, this is my thinking from past PID usage.
Pick which system makes you happy.

I like that controller. I can see one in my future as I convert my brewery to electric. Thanks for the tip.


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