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Old 04-12-2012, 12:19 PM   #1
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Default What PID to use

I am trying to set up a gas (I know this is the electric forum) fired brutus 10 style rig. What my question is what PID controller will with with the 24v gas valves?

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Old 04-12-2012, 02:03 PM   #2
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Is this a control valve or just a discrete on/off valve?

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Old 04-12-2012, 02:56 PM   #3
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I am going to be using a Honeywell safety valve to control the burner.

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Old 04-12-2012, 03:04 PM   #4
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I don't believe these are modulating valves so you really cannot control gas flow. What you really need is a Modulating gas valve.

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Old 04-12-2012, 03:17 PM   #5
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I just want on and off control or wont a pid do that?

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Old 04-12-2012, 03:30 PM   #6
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Quote:
Originally Posted by crazyirishman34 View Post
I just want on and off control or wont a pid do that?
A PID loop controller will not do that. What you need is a 24v power source that you can turn on and off by opening/closing a contact of some sorts.
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Old 04-12-2012, 03:49 PM   #7
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yes a pid will do that. you will need the honeywell 24vac converter. I think others have recommended the auber 2352, im still researching which pid i want, i will be building the same setup as you. you will just run the pid in on/off mode.

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Old 04-12-2012, 04:04 PM   #8
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yes a pid will do that. you will need the honeywell 24vac converter. I think others have recommended the auber 2352, im still researching which pid i want, i will be building the same setup as you. you will just run the pid in on/off mode.
So what are you guys doing then? Just using the loop controller to monitor temperature?
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Old 04-12-2012, 04:06 PM   #9
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Nevermind. I now realized what you are doing. Sorry. I was thinking you were wanting to modulate gas flow using a control valve.

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Old 04-12-2012, 04:14 PM   #10
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So really any pid will work even the SSR units if you add a relay to the control output? I would just need to set it to on/off control? What about if I just wanted to monitor the temp? I can't find a 1/16 din unit that will do that with out control.

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