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Old 06-20-2012, 10:03 PM   #11
carlisle_bob
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Originally Posted by btbonser View Post
I'm in no rush, my local HBS has a complete, all manual, single tier HERMS system for $1500 (Keggels, pumps, valves chiller, etc.) that I am going to get. I am planning on taking this system and automating it as much as the budget (aka wife) will allow.

Say good bye to batch sparging in the Coleman Extreme
Hi

Spend some time understanding and working with the setup before you try to automate it....

Bob


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Old 06-21-2012, 12:24 PM   #12
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Hi

Spend some time understanding and working with the setup before you try to automate it....

Bob
Good advice Bob! I brewed my first batch on Saturday and using the new setup left me thinking about many things.


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Old 06-22-2012, 12:26 PM   #13
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Hi

If you are like most of us around here, a given configuration of "stuff" will last about six months before there's a "need to modify".

Bob

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Old 06-22-2012, 01:02 PM   #14
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CB,
six months? I havent been able to finish my system without modifying it already.... Seems every time I get close I find a glitch or hang up and when I address that I end up changing a component or sensor to eliminate the stumbling block completely. I think brew controls evolve over time... I would strongly recomend any new brewer building a control system to insure that you build a very robust base system with lots of room for expansion, because inevatably things will get changed, adjusted and improved over time. Mine sure has changed from where I originally started. Just a thought or two from a tinkerer builder.
Wheelchair Bob

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Join the Automation sub forum in Electric brewing for a discussion of components and control systems. I did!!!!

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Old 06-22-2012, 01:37 PM   #15
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So true! I think I spend as much time modifying and building new stuff as I do actually brewing, I'm never satisfied. But that's half the fun!!

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Old 06-23-2012, 04:54 AM   #16
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You could try a phidget board. It is a simple usb IO system for PC. I have used them in the past with Visual Basic interfaces that work great and simple to do. You can even use a VB set in excel to really ramp up your control options. Much cheaper than a PLC.

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Old 06-23-2012, 02:25 PM   #17
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Is there a reason why it wouldn't be possible to control an SSR with the control signal through either a parallel or serial interface? Much like CNC systems use the same signals to control a driver board? Use a one wire interface for temperature monitoring and something as simple as a Bash or Perl script to control the temperature.

There has to be a reason it hasn't been done, but I can't think of one. Then again my thinker seems to be working slowly these days.

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Old 06-23-2012, 07:16 PM   #18
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Is there a reason why it wouldn't be possible to control an SSR with the control signal through either a parallel or serial interface? Much like CNC systems use the same signals to control a driver board? Use a one wire interface for temperature monitoring and something as simple as a Bash or Perl script to control the temperature.

There has to be a reason it hasn't been done, but I can't think of one. Then again my thinker seems to be working slowly these days.
Hi

It's been done many a time.

The gotcha when running high power or fire is a system crash. Making a simple parallel port setup crash proof can be a bit of a pain. It can indeed be done, but it's not as easy as it looks at first.

Bob
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Old 07-08-2012, 05:42 AM   #19
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Hi

If you are like most of us around here, a given configuration of "stuff" will last about six months before there's a "need to modify".

Bob
Amen Brother!!!


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