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Topic: PID Question
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lukebarber
1st Kit
Posts: 1
PID Question
«
on:
February 16, 2017, 11:59:41 am »
So I'm getting ready to wire up my control box and have some questions. I bought two Red Lion PID controllers to control a pump for HERMS recirculation, and to control the heater in my HLT.
http://www.clrwtr.com/PDF/Red-Lion-Controls/Red-Lion-Limit-Alarms.pdf
Now I'm reading the instructions and wondering if there is anyone using a PID like this to control a pump, in PID mode? It seems to me that if you set the cycle time to something big, like the max 125 seconds, perhaps it might work. Or this might just be a bad idea and stress the motor. The motor is a Lenze.
http://www.actechdrives.com/PDF/Lenze/Lenze-MD-MH-Motors.pdf
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weazletoe
Brewmaster General
Posts: 2438
Howland, Ohio
Re: PID Question
«
Reply #1 on:
February 19, 2017, 08:08:03 pm »
I think if it were myself, is wire a relay, SSR or hard,
to the "alarm" side of the PID and let that take care of the pump.
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American Homebrewers Association | AHA Forum
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PID Question