RE: Toro Water Valve

["Stainton-James, Mark (London)" <stainmar@xxxxxxx>]

Ian,

I think I will definitely use the RS valves, as you are right they are
much
cheaper.  

For now I think I will investigate the appliance module route as I have
a
couple of appliance modules spare, and don't fancy running yet more
cables
>from
Thanks again

Mark


-----Original Message-----
From: ian.bird@xxxxxxx
[mailto:ian.bird@xxxxxxx] 
Sent: 13 November 2002 13:25
To: ukha_d@xxxxxxx
Subject: RE: [ukha_d] Toro Water Valve


OK, firstly the valve you are looking at is quite expensive if memory
serves me correctly. If you are planning on more than one of these the
wallet could take a bashing. Add in an appliance module and power
supply
for each and this just gets worse.

As a suggestion: Why not use the valves mentioned by Steve and on my
web
page (www.mollyology.com then projects then irrigation) from RS
components.
These are low voltage and water mains rated. Something like 15 quid
will
get the valve and copper unions for 1/2 inch pipe.

All you have to do then is control them. For this you could go the
appliance module route and power supplies etc. or something hard wired
e.g.
a relay board. Assuming you go for the relay board all you need to do
is
control it from a PC. Something like the VIOM would suffice or I am in
the
final stages of a xAP compatible serial controller for my boards which
would be a very cost effective way of doing what you have in mind.

If the bits that I make appeal drop me a mail off list as there is stuff
in
the pipeline (ha ha) you would find interesting but is not quite ready
for
general release yet.

Regards

Ian







                     
"Stainton-James,

                     
Mark
(London)"           
To:
"'ukha_d@xxxxxxx'"
<ukha_d@xxxxxxx>                    
                     
<stainmar@exchange        cc:

                     
.uk.ml.com>              
Subject:  RE: [ukha_d] Toro
Water
Valve                                          


                     
13/11/02 12:08

                     
Please respond to

                     
ukha_d









The plan is two fold.

First to replace the timer system that we use on an outside tap for
watering
the garden with something a little more dynamic - eg water at x time for
y
minutes only if it has not rained today.  The valve would need to cope
with
mains pressure for this.

The second part is to control the zones in the watering system for
example
-
hanging basket zone need watering daily in the summer, but not at all
in
the
winter green house zone needs to be watered daily regardless.

For the zone control the water pressure on the valve is significantly
reduced.

Mark




-----Original Message-----
From: ian.bird@xxxxxxx
[mailto:ian.bird@xxxxxxx]
Sent: 13 November 2002 12:01
To: ukha_d@xxxxxxx
Subject: Re: [ukha_d] Toro Water Valve


What are you planning to automate with this?

As for the on off, this is the normal practice. I don't know what you
mean
by connecting directly to the mains - sorry


Ian








                     
"Stainton-James,

                     
Mark
(London)"           
To:
ukha_d@xxxxxxx
                     
<stainmar@exchange        cc:

                     
.uk.ml.com>              
Subject:  [ukha_d] Toro
Water Valve


                     
13/11/02 11:43

                     
Please respond to

                     
ukha_d









Does anyone have any experience of the Toro Water Valve that Laser are
selling ?  It says that it takes 12v - 24v, would I be correct in
assuming
that turning the power off closes the valve and turning the power on
turns
the valve to open ?

If so I presume an appliance module with adapter would allow me to
automate
the valve ??  Does anyone know if this one can be attached directly to
the
mains (unlike the 240v version letsautomate)

Thanks,

Mark


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