Today's Message Index:
----------------------
1. 04:03 PM - operating a relay with a cell phone (Ken Ryan)
2. 05:59 PM - Re: operating a relay with a cell phone (Charlie England)
3. 05:59 PM - Re: operating a relay with a cell phone (user9253)
4. 06:12 PM - Re: operating a relay with a cell phone (user9253)
5. 06:30 PM - Re: Re: operating a relay with a cell phone (Ken Ryan)
6. 06:39 PM - Re: operating a relay with a cell phone (Ken Ryan)
7. 07:45 PM - Re: Re: operating a relay with a cell phone (Art Zemon)
8. 07:48 PM - Re: operating a relay with a cell phone (user9253)
9. 08:15 PM - Re: Re: operating a relay with a cell phone (Ken Ryan)
10. 08:17 PM - Re: Re: operating a relay with a cell phone (Ken Ryan)
Message 1
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Subject: | operating a relay with a cell phone |
I bought a GSM Gate Opener GSM Remote Switch RTU5024, figuring I would use
it to control a DPST relay on the plug-in wire to my Tanis pre-heat system,
allowing me to turn it on and off using my cell phone.
It has two inputs for 12v DC (+ and -) to power it. The other connections
are labeled NO COM NC.
I understand that NO means "normally open" COM means "common" and NC means
"normally closed" I am not clear as to how I would incorporate a relay for
turning my 110 volt circuit on and off. If the kind soul who helps could
include a recommendation as to the specific relay, that would be great!
Please help this dummy.
Ken
Message 2
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Subject: | Re: operating a relay with a cell phone |
On 12/4/2018 6:01 PM, Ken Ryan wrote:
> I bought a GSM Gate Opener GSM Remote Switch RTU5024, figuring I would
> use it to control a DPST relay on the plug-in wire to my Tanis
> pre-heat system, allowing me to turn it on and off using my cell phone.
>
> It has two inputs for 12v DC (+ and -) to power it. The other
> connections are labeled NO COM NC.
>
> I understand that NO means "normally open" COM means "common" and NC
> means "normally closed" I am not clear as to how I would incorporate a
> relay for turning my 110 volt circuit on and off. If the kind soul who
> helps could include a recommendation as to the specific relay, that
> would be great! Please help this dummy.
>
> Ken
>
>
Hi Ken,
If it's this model:
https://www.amazon.com/Opener-Remote-Access-Sliding-RTU5024/dp/B07BT3N4QM/ref=asc_df_B07BT3N4QM/?tag=hyprod-20&linkCode=df0&hvadid=241942959786&hvpos=1o2&hvnetw=g&hvrand=9161805644825714517&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9013952&hvtargid=pla-458426103553&psc=1
one of the images on that page shows the relay as having 'dry' contacts.
See the image the shows 220VAC feeding through the NO / COM contacts to
run a motor. You can wire 110VAC the same way to your heater. *BUT* :
you need to find the current rating of the relay contacts, to be sure
you won't be overloading them with your heater. If the heater load
exceeds the relay contact rating, you can still use it by adding a
heavier external relay, driven by the relay in the opener. You'll likely
have to configure the switch to be continuous 'on' instead of momentary
'on' which would be the case for a gate controller.
Check back if you need a wiring diagram for an external relay.
Charlie
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Message 3
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Subject: | Re: operating a relay with a cell phone |
Here is a schematic diagram.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=486130#486130
Attachments:
http://forums.matronics.com//files/tanis_heater_173.jpg
Message 4
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Subject: | Re: operating a relay with a cell phone |
How many watts is the Tanis heater? If it is 400 watts or more, then a heavy duty
relay needs to be added.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=486132#486132
Message 5
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Subject: | Re: operating a relay with a cell phone |
Joe, the Tanis is only 230 watts, but I'm reluctant to use the RTU5024 as
the main relay. I was planning to use a separate heavy duty relay for the
main relay, and use the RTU5024 to control it. Can you show me how I would
do that (control a relay with a relay)? Also if you could give me a Mouser
part number for an appropriate relay, that would really fix me up.
On Tue, Dec 4, 2018 at 5:16 PM user9253 <fransew@gmail.com> wrote:
>
> How many watts is the Tanis heater? If it is 400 watts or more, then a
> heavy duty relay needs to be added.
>
> --------
> Joe Gores
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=486132#486132
>
>
Message 6
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Subject: | Re: operating a relay with a cell phone |
Charlie, yes I think that is what I need. A wiring diagram for using a
separate relay. The RTU5024 is programmable to be on for a set period of
time. It can also be programmed to only accept command from authorized
numbers, etc. And supposedly I don't need a phone plan for it, only a sim
card. If it works out as I hope, it will be really neat.
On Tue, Dec 4, 2018 at 5:03 PM Charlie England <ceengland7@gmail.com> wrote
:
> ceengland7@gmail.com>
>
> On 12/4/2018 6:01 PM, Ken Ryan wrote:
> > I bought a GSM Gate Opener GSM Remote Switch RTU5024, figuring I would
> > use it to control a DPST relay on the plug-in wire to my Tanis
> > pre-heat system, allowing me to turn it on and off using my cell phone.
> >
> > It has two inputs for 12v DC (+ and -) to power it. The other
> > connections are labeled NO COM NC.
> >
> > I understand that NO means "normally open" COM means "common" and NC
> > means "normally closed" I am not clear as to how I would incorporate a
> > relay for turning my 110 volt circuit on and off. If the kind soul who
> > helps could include a recommendation as to the specific relay, that
> > would be great! Please help this dummy.
> >
> > Ken
> >
> >
> >
> Hi Ken,
>
> If it's this model:
>
> https://www.amazon.com/Opener-Remote-Access-Sliding-RTU5024/dp/B07BT3N4QM
/ref=asc_df_B07BT3N4QM/?tag=hyprod-20&linkCode=df0&hvadid=241942959
786&hvpos=1o2&hvnetw=g&hvrand=9161805644825714517&hvpone=&hvptwo=
&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9013952&hvtargid=p
la-458426103553&psc=1
>
> one of the images on that page shows the relay as having 'dry' contacts.
> See the image the shows 220VAC feeding through the NO / COM contacts to
> run a motor. You can wire 110VAC the same way to your heater. *BUT* :
> you need to find the current rating of the relay contacts, to be sure
> you won't be overloading them with your heater. If the heater load
> exceeds the relay contact rating, you can still use it by adding a
> heavier external relay, driven by the relay in the opener. You'll likely
> have to configure the switch to be continuous 'on' instead of momentary
> 'on' which would be the case for a gate controller.
>
> Check back if you need a wiring diagram for an external relay.
>
> Charlie
>
>
> ---
> This email has been checked for viruses by Avast antivirus software.
> https://www.avast.com/antivirus
>
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>
>
Message 7
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Subject: | Re: operating a relay with a cell phone |
I know that it isn't as much fun as building something cool out of a cell
phone radio and a relay, but you can just buy a mechanical thermostat for
next to nothing. Here is one for $27 at Grainger
https://www.grainger.com/product/DAYTON-Line-Volt-Mechanical-Tstat-2E815
-- Art Z.
--
https://CheerfulCurmudgeon.com/
*"Be kind, for everyone you meet is fighting a hard battle."*
Message 8
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Subject: | Re: operating a relay with a cell phone |
You can buy a 30 amp relay at an auto parts store.
Ignore the B beside the battery.
--------
Joe Gores
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=486135#486135
Attachments:
http://forums.matronics.com//files/tanis_heater__116.jpg
Message 9
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Subject: | Re: operating a relay with a cell phone |
Art, my goal is not to regulate the temperature of the engine, it is to
control the on/off switch via cell phone, so that I can phone in the night
before and the engine will be toasty the next morning, ready for service.
On Tue, Dec 4, 2018 at 6:49 PM Art Zemon <art@zemon.name> wrote:
> I know that it isn't as much fun as building something cool out of a cell
> phone radio and a relay, but you can just buy a mechanical thermostat for
> next to nothing. Here is one for $27 at Grainger
> https://www.grainger.com/product/DAYTON-Line-Volt-Mechanical-Tstat-2E815
>
> -- Art Z.
>
> --
> https://CheerfulCurmudgeon.com/
>
> *"Be kind, for everyone you meet is fighting a hard battle."*
>
Message 10
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Subject: | Re: operating a relay with a cell phone |
Okay, so an automotive relay like we would use on our airplanes would be
okay for this application, too. I have a few lying around.
On Tue, Dec 4, 2018 at 6:52 PM user9253 <fransew@gmail.com> wrote:
>
> You can buy a 30 amp relay at an auto parts store.
> Ignore the B beside the battery.
>
> --------
> Joe Gores
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=486135#486135
>
>
> Attachments:
>
> http://forums.matronics.com//files/tanis_heater__116.jpg
>
>
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