Design of process control timer

venkatsr

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Jan 7, 2007, 10:57:13 PM1/7/07

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I need help on designing a sequential timer to switch on and off
atleast 3 relays in a particular sequence using timer ic.Thank You!

Homer J Simpson

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Jan 8, 2007, 1:21:28 AM1/8/07

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"venkatsr" <srvenk...@gmail.com> wrote in message
news:1168228633.3...@s34g2000cwa.googlegroups.com...

> I need help on designing a sequential timer to switch on and off
> atleast 3 relays in a particular sequence using timer ic.Thank You!

You can buy that off the shelf unless you are in some strange place. In that
case try http://www.microchip.com/

--

raj7...@gmail.com

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Jan 8, 2007, 6:53:12 AM1/8/07

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in electronics for you website it is available or you send one mail to
raj7...@gmail.com

On Jan 8, 11:21 am, "Homer J Simpson" <nob...@nowhere.com> wrote:
> "venkatsr" <srvenkatra...@gmail.com> wrote in messagenews:1168228633.3...@s34g2000cwa.googlegroups.com...

>
> > I need help on designing a sequential timer to switch on and off

> > atleast 3 relays in a particular sequence using timer ic.Thank You!You can buy that off the shelf unless you are in some strange place. In that
> case tryhttp://www.microchip.com/
>
> --

nishanthi

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Dec 29, 2009, 7:52:50 AM12/29/09

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nishanthi had written this in response to
http://www.electrondepot.com/electronics/Design-of-process-control-timer-51234-.htm
:

i need for designing the timer to switch on&off at least 3 relays
nisha

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JeffM

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Dec 29, 2009, 3:12:19 PM12/29/09

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nishanthi wrote:
>nishanthi had written this in response to
>http://www.electrondepot.com/electronics/Design-of-process-control-timer-51234-.htm
>

Electrondepot is yet another Web-based access point to USENET.
The actual item is
news:1168228633.3...@s34g2000cwa.googlegroups.com

>i need for designing the timer to switch on&off at least 3 relays
>

The first step in the design process is writing a specification.
Assign actual **numbers** to as many things as you can.
http://google.com/search?q=intitle:Specification-Writing+include+OR+includes+dimensions+tolerance+OR+tolerances+-dimension+-0471618928

This sort of thing is very useful:
http://groups.google.com/group/sci.electronics.design/msg/d52f39dcb84466f8?q=a-timing-diagram&fwc=1

ANISHA JANCY

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Aug 13, 2011, 11:21:29 AM8/13/11

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ANISHA JANCY had written this in response to
http://www.electrondepot.com/electronics/Design-of-process-control-timer-51234-.htm
:

sir i need the detail of designing the processor control timer.pls can u
send me
at my mail id -anish...@gmail.com

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