Dust Collection Control System (Old Version)

I built this control system for the dust collection system in my previous workshop in Texas.  With this system, every large piece of equipment had a radio that transmitted a coded message to the central controller whenever the equipment was turned on or off.

The controller, in turn, would actuate the appropriate solenoid valves to drive air to an air cylinder attached to the equipment’s blast gate and, once opened, turn on the Dust Collector.

When the equipment was turned off, the controller would keep the DC running for about 30 seconds longer, in case another piece of equipment was turned on (it takes a long time for the DC to spin up and down).  Then, once the DC was off, kept the Blast gate opened for a couple of minutes, just to make sure that the DC had stopped drawing air.  It worked pretty well.  I’ll be doing something similar in my new workshop…


[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_0869.jpg]19660Dust Collection Control System
Showing Controller and three remote radios, one for the Thickness Planer, one for my Workbench, and one for the Bandsaw.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_0866.jpg]18660A closer view.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_0871.jpg]18110Close up of the radio.
This one is for the Bandsaw. The only difference between radios is the device code that is sent to the controller (so it knows which valves to control).
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_0876.jpg]17950Here is the controller with its bank of solenoid valves.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_0875.jpg]17790Slightly different perspective.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_4464.jpg]17710View of a air cylinder controlled blastgate
Note that this is in my new workshop and has not been hooked up yet.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_4465.jpg]17810How the air cylinder controls the blast gate. This one is open.
[img src=https://tomstudwell.com/wordpress/wp-content/flagallery/olddc_control/thumbs/thumbs_img_4466.jpg]17530This one is closed.


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