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au_kishore
12-24-2006, 04:27 PM
I am having a stepper motor PM 35S-048-ZY06 of Minebea company,Thailand... I want to know whether it is a uni-polar or bi-polar stepper motor. Also, Where can i get much informations about AT89C51 controller.

ppppking04
12-24-2006, 08:01 PM
How many wires does the stepper motor have?

5-6 wires is unipolar (which most of the time it is..)

4 wires is bipolar...

search on the net for the specs...
http://www.minebea.co.jp/english/product/electronics/1181997_2092.html#catalog

you can even mail these guys about it...

praghu_cool
12-25-2006, 01:10 AM
if Ur motor has 5 wires it can be used only in Unipolar mode ..
4 wire only in bipolar mode

with 6 ,8 wires it can be used in both modes .....

ppppking04
12-25-2006, 08:50 AM
With 5 wires you CAN use it in bipolar mode!

using only 4 wires and leaving the common one..

rajenrishi
12-27-2006, 12:05 PM
Go through AT89c51 data sheet, it will give enough information.

If u wanna know about registers and internal arch. go to www.8052.com.
There u can find good notes on 8051 which is similar to AT89c51.