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Topic: Control a Belimo with an arduino pwm (Read 938 times) previous topic - next topic

micnossub

Hi guys! i want to control a belimo actuator with a 0-5v pwm of arduino..but the belimo need analog voltage 0-10v! I read some thing about low pass filter. So wich component should i use to get 0-5v pwm to analog 0-10v? I read that i need a 2n2222 to get 0-10v signal and smooth it with a low pass filter. But i don't know wich component value to use for the low pass filter (resistor and capacitor).!

I'm have bad experience with transistor..one day i try to control a 12v dc motor with 5v and i use a 2n2222 transistor and the output was less than 12v..i didn't understand that too..will i get the same problem with belimo?

is there someone with an answer? Thank you very much!

be80be

#1
Nov 14, 2012, 05:06 am Last Edit: Nov 14, 2012, 05:12 am by be80be Reason: 1
There will be a loss of about  .7 volts  use a logic level fet like the 2n7000
You shouldn't need a filter on the line most of these can use AC or DC but then most I've seen are 24 volt for HVAC dampers

micnossub

yeah but i heard pwn will not work for bellimo..and that i need a clean signal "analog signal"!

be80be

Well if some one told you you can't walk would you sit in a chair. I wouldn't I would try to walk.
You'll never no if you can or not But if you use a part like what I said the output is going to be good

micnossub

i appreciate it..but it's not fun to wait 1 month to get a part if youre not sur its the good thing you need..

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