Need Help! L297 with SLA7026M - CNCzone.com-The Largest Machinist Community on the net!

boongza · #1 02-20-2011, 11:50 PM

Hi!!! I need to built Driver Step motor I've L297 and SLA7026M .
Who can advise me I need circuit or wiring ....Thanks...

boongza · #2 02-21-2011, 02:45 AM

I've found one problem for this circuit I use power supply 12 V. Motor run ok. but it's slow speed if I used 24 V. power supply Motor can't run...I Don't know what happen for the circuit please advise me..

jschmitt · #3 02-21-2011, 08:53 PM

do you have a +5v power supply connected to pin 1 by chance

boongza · #4 02-22-2011, 12:09 AM

Originally Posted by jschmitt

do you have a +5v power supply connected to pin 1 by chance

Your mean pin 1 of L297 right/ ... I'm not connect pin1 L297 to 5V.

jschmitt · #5 02-22-2011, 12:33 PM

Originally Posted by boongza

Your mean pin 1 of L297 right/ ... I'm not connect pin1 L297 to 5V.

I should have said pin 1 of jp1. What I am questioning is if you have a 5v power supply connected

boongza · #6 02-22-2011, 09:26 PM

Originally Posted by jschmitt

I should have said pin 1 of jp1. What I am questioning is if you have a 5v power supply connected

I'm connected 5V. and 24V. already.

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