Re: digital timer question



thanks guys!!!
the customer wants the alarm to sound until the oven is manually turned
off...thus preventing employees from just setting the timer and going home
as well as preventing them from getting side-tracked before actually turning
off the machine as may happen in the case of a momentary alarm.

"scott canale" <scanale@xxxxxxxxxxx> wrote in message
news:TMh2e.19504$jL2.9048@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>i need a digital timer that is adjustable from 5 minutes minimum to 8 hours
>maximum. also, when the timer goes off, i need to trigger an audible alarm
>that will sound until manually reset. the application is a meat dehydrator
>that is 3 phase 208v although i could pull 120vac down. any ideas??
>
>


.



Relevant Pages

  • Re: digital timer question
    ... > off...thus preventing employees from just setting the timer and going home ... > off the machine as may happen in the case of a momentary alarm. ... An industrial timer can do the job ... The load and timing cycle begins ...
    (sci.electronics.repair)
  • Re: digital timer question
    ... also, when the timer goes off, i need to trigger an audible ... >> that will sound until manually reset. ... > Buy an industrial timer, or use two for more range. ... has an audible alarm that sounds when the timer expires. ...
    (sci.electronics.repair)
  • Re: digital timer question
    ... > that will sound until manually reset. ... Buy an industrial timer, or use two for more range. ...
    (sci.electronics.repair)
  • Re: Macro Help
    ... What I inferred is that you have a cell or cells that contain the Alarm ... function and you want Excel to make a specific sound when the value in a cell ... Const SND_ASYNC = &H1 ...
    (microsoft.public.excel.worksheet.functions)
  • Re: What to use for timing in alarm circuits?
    ... Then, when user presses the alarm enable button, this value ... whether I can use it as an independent timer. ... the 8253 is not really suited it's basically a programmable clock divider ... Clock applications using microcontrollers have no doubt been done to ...
    (sci.electronics.basics)