Digital I/O

cancel
Showing results for 
Search instead for 
Did you mean: 

MyRio and 24VDC pneumatic valve solenoid

Hello,

 

I have a project where I need to control 21 pneumatic solenoid valves and I'm gonna be given a MyRio board to control them using LabView program. I did some research and it seems like controling board outputs with LabView is not a problem.

These valves are 24VDC 0.7/0.9W and I guess that controling them directly from the board might damage it, so I came up with an idea to use some transistors to boost the current using external supply.

The problem is that I don't know much about electronics and I'd like to ask you to prepare a schematic for me. It would be great also, if you could write down part's numbers I will have to buy. I guess there is gonna be some Mosfets, maybe a flyback diodes to connected to coil to avoid spikes?

 

As I said I don't know much about electronics but I will appreciate any tip.

 

Sorry for any mistakes made - english is not my native 🙂 

 

Thanks in advance.

0 Kudos
Message 1 of 3
(856 Views)

Hello again,

 

After doing some research, I came up with and idea to use ULN2803A chip:

http://www.ti.com/lit/ds/symlink/uln2803a.pdf

 

I have created a schematic attached, could someone confirm it is correct?

 

Thanks

0 Kudos
Message 2 of 3
(747 Views)

Your circuit looks good electrically and will work.

-Santhosh
Semiconductor Validation & Production Test
Soliton Technologies
0 Kudos
Message 3 of 3
(646 Views)