Subject:
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Re: Adapting the LMD18200 (CORRECTION)
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Tue, 1 Oct 1996 12:23:22 GMT
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Original-From:
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Tom G. Brusehaver/Consultant Euler Solutions <TGB@BNU003.CNCC.spamlessBNR.COM>
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Reply-To:
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tgb@bnr.%nomorespam%com
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Viewed:
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1481 times
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Matt Harlan found a mistake in the following drawing.
> INCORRECT
> >
> >
> > ------
> > /| |-----
> > / | |---------- Motor
> > / | LM |-----
> > / |182 |-----
> > / | 00 |--------GND (motor and signal)
> > | * | |--------motor power (12-55V)
> > \ | |--------hb pin 2 WRONG
> > \ | |----- gnd (brake) *****
> > \ | |--------hb pin 1 WRONG
> > \ | |---------- Motor
> > \|pin1|-----
> > ------
> CORRECT
> >
> > ------
> > /| |-----
> > / | |---------- Motor
> > / | LM |-----
> > / |182 |-----
> > / | 00 |--------GND (motor and signal)
> > | * | |--------motor power (12-55V)
> > \ | |--------hb pin 1
> > \ | |----- gnd (brake)
> > \ | |--------hb pin 2
> > \ | |---------- Motor
> > \|pin1|-----
> > ------
> The PWM inputs for each L293 are pins 1 & 9, right? And the direction
> inputs are 2, 7, 10, & 15? With each pair of direction inputs using an
> inverter.
>
> The data sheet from National gives pin 3 as direction and pin 5 as PWM.
> Did you connect it like in the picture or is the picture wrong.
>
> I thought I would ask before a I etch my board for the 18200's.
Glad someone checked it, yup, the drawing is wrong.
pin 3 on the LMD18200 goes to pin 2 on the handyboard, and pin 5 on
the LMD18200 goes to pin 1 on the handy board.
Sorry for the trouble anyone had using the other drawing.
--
tgb@bnr.com
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