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Automatic Dust Collector Switch #2: Schematic

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Blog entry by DaveTPilot posted 01-19-2011 07:23 PM 3439 reads 6 times favorited 6 comments Add to Favorites Watch
« Part 1: Automatic Dust Collector Switch Part 2 of Automatic Dust Collector Switch series Part 3: Parts, Information and Usage Instructions »

Here is the schematic for my Automatic Dust Collector Switch. The schematic is copyrighted and I reserve all rights to its content. You are free to use the information for personal use, however, commercial use, copying and/or distribution is prohibited.

If you would like a copy in printable pdf format and instructions on how to modify the X10 module click here

WARNING
User accepts all risk and responsibility for use of this design concept. It is highly recommended that you hire a qualified electrician to install any electrical devices in your home or workshop and comply with all local codes. I am not responsible for any errors or omissions.

-- How valuable is time to a person who spends his disparaging the beliefs of others? --David Berthelette www.pilotwoodworks.com



6 comments so far

View SASmith               's profile

SASmith

1635 posts in 1730 days


#1 posted 01-19-2011 11:31 PM

Thanks for the post. What a great idea. I will look into this.
Scott

-- Scott Smith, Southern Illinois

View mrjoeg's profile

mrjoeg

31 posts in 1432 days


#2 posted 01-20-2011 06:06 AM

The single line diagram looks fine, one may consider adding a recipital to plug in the modified x10 controller into and make your wiring modification there. That way you would not void the UL listing on the X10 module ( in the event of a componant failure) it will make dealing with the insurance adjuster smoother. Or Idec offers X10 modules in a din rail configuration.

-- Joe

View DaveTPilot's profile

DaveTPilot

271 posts in 2041 days


#3 posted 01-20-2011 07:25 AM

The X10 Appliance Module is plugged into an outlet. It is not necessary to re-wire the module. You just need to disable the current sensing circuit, (also called the local control function). It’s a very simple process and, in fact, there is more than one way to do this. X10.com actually tells you how to do this here. The first way doesn’t void anything and according to X10, the second way only voids the warranty.

It is important to note that the method I used, as seen here only works on the older 486 modules.

The easiest way according to X10 is to use the night light method. I have not tried this so I cannot say whether it would work for this application. The current sensing feature causes the contactor (relay) to chatter. I will look around and see if I have another module that has not been modified and give it a try.

-- How valuable is time to a person who spends his disparaging the beliefs of others? --David Berthelette www.pilotwoodworks.com

View DaveTPilot's profile

DaveTPilot

271 posts in 2041 days


#4 posted 01-20-2011 03:03 PM

Sorry, the second link is incorrect. Here it is again:

It is important to note that the method I used, as seen here only works on the older 486 modules.

-- How valuable is time to a person who spends his disparaging the beliefs of others? --David Berthelette www.pilotwoodworks.com

View DaveTPilot's profile

DaveTPilot

271 posts in 2041 days


#5 posted 01-20-2011 09:22 PM

A thought occurred to me while I was flying this morning. If you split the outlet, as shown below, power the bottom outlet from the breaker panel and the top outlet with the X10 mod that is plugged into the bottom outlet that would allow you to plug in an incandescent night light into the top. (I hope the ban on those is lifted.)
In theory, this should override the current sensing circuit per the X10 knowledge base. Then you could wire the contactor (relay) to the top outlet as well.

That way, if it works in this application, you would not have to modify the module at all. I will make those changes to the schematic and post that one as well.

For those who are unfamiliar, splitting outlets is common practice and every outlet I’ve ever seen is designed for that purpose. You only need to pull the tab off from the “hot” side. This is the right side. It has brass-colored screws and smaller slots.


-- How valuable is time to a person who spends his disparaging the beliefs of others? --David Berthelette www.pilotwoodworks.com

View DaveTPilot's profile

DaveTPilot

271 posts in 2041 days


#6 posted 01-24-2011 08:41 PM

UPDATE

I tested the “night light method” for disabling the local control/current sense. While this method does work to disable local control for appliances, it does not eliminate the sensing current. This results in the coil of the contactor for the dust collector switch to have a constant, albeit small, amount of current applied to it. This can still cause chatter but might not for everyone. The other consideration is that it may shorten the life of the coil.

I still recommend modifying the module as per instructions posted in the following link:

Modifying the Appliance Module

WARNING: Modifying X10 hardware as described in this section will void the warranty of the hardware. Any modifications you do are at your own risk and the results are entirely your own responsibility. You may end up damaging the hardware beyond use. Remember, X10 devices are connected directly to the power line, and can kill you. If you feel uncomfortable about any of this, don’t do it. The modifications in this section have been tried by one or more people. They may not work for you, due to variation in technical skill, or variation in X10 equipment lots. Again, you are on your own; use at your own risk!

-- How valuable is time to a person who spends his disparaging the beliefs of others? --David Berthelette www.pilotwoodworks.com

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