Chief Delphi - burned IR sensor..

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- - burned IR sensor.. (http://www.chiefdelphi.com/forums/showthread.php?t=63467)

yara92

07-02-2008 11:33

burned IR sensor..

Hello guys ...
we wired the sensor to frc controller ( pwm output ) as a power supply ..
which supplies 7.2v..... i worked for few days .. then it stoped functioning .. i think we fried it :D ..
my question is : do the pwm outputs supply a larger value of current which the sensor con not accept ?
or there is another error occured ?????

i read this :
http://www.chiefdelphi.com/forums/sh...light=infrared

Aaron_H

07-02-2008 11:51

Re: burned IR sensor..

Read the thread "Dead IR receiver Module". See if those symptoms are the same.

Alan Anderson

07-02-2008 11:57

Re: burned IR sensor..

Quote:

Originally Posted by yara92 (Post 693872)

Hello guys ...
we wired the sensor to frc controller ( pwm output ) as a power supply ..
which supplies 7.2v..... i worked for few days .. then it stoped functioning .. i think we fried it :D ..

Did you recharge the backup battery? That's the source of the 7.2 volts on the PWM pins.

yara92

08-02-2008 11:56

Re: burned IR sensor..

we are tring to fix it by some one who is good with electronics
thank you for your trying to help us

Al Skierkiewicz

08-02-2008 12:19

Re: burned IR sensor..

Mohamed,
The IR sensor is intended to be connected to the +12 volt power through a 20 amp circuit breaker. The power from a PWM output is right at the minimum operating voltage for the sensor board. (7-12 volts as stated in the documentation.)

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