[time-nuts] Lady Heather

[Don Latham]

So the other signal is on pin 7, RTS?
Don

ws at Yahoo
> Don
>
> No, it is not bang-bang. Look at the plot results.
> You don't get .001 deg type resolution and control with a bang-bang
> controller.
>
> It is a full Linear, universal,  PID + with self tuning capability.
> The output is a high resolution Linear PWM driving one of the RS232 pins
> and a polarity/enable
> output on one of the other pins which can be used for heating / cooling
> / enable / fail_ save, etc.
> ( I don't use the second output with the KISS simple fan driver, because
> that hardware is already fail-safe).
>
> The PID can be manually set for all kinds of things, Including Band-Bang
> control.
>
> ws
>
>
> ****************
>
> Thanks, Warren, for the refresh. So the L.H. fan control signal is
> bang-bang, and not really a PID, as it's on the DTR data line.
> Don
>
> ws at Yahoo
>> Don
>>
>> no internal connection needed.
>> Lots of ways to do it,
>> an isolated optical isolator connect to a couple of pins on the RS232
>> connector is one way.
>>
>> The LH controller can also be used to just Heat for those that don't
>> like
>> moving parts,
>> or dual with heat and cool as well as just drive a fan.
>> If ypu want you could go full nuts and connect it up to control the
>> room
>> AC/Heater
>>
>> For the LH driver I use and how I use it see:
>> <http://www.febo.com/pipermail/time-nuts/attachments/20110116/76cc81b5/attachment-0001.jpg>
>>
>> text at:
>> <http://www.febo.com/pipermail/time-nuts/2011-January/053648.html>
>>
>> ws
>>
>> *******************
> _______________________________________________
> time-nuts mailing list -- time-nuts at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>


-- 
"Neither the voice of authority nor the weight of reason and argument
are as significant as experiment, for thence comes quiet to the mind."
R. Bacon
"If you don't know what it is, don't poke it."
Ghost in the Shell


Dr. Don Latham AJ7LL
Six Mile Systems LLP
17850 Six Mile Road
POB 134
Huson, MT, 59846
VOX 406-626-4304
www.lightningforensics.com
www.sixmilesystems.com