At 04:32 PM 7/8/98 -0500, you wrote:
>>
>>1) In order to stop the stepper at any of the 7.5 degree steps I will have
>>to be able to stop the motor at any one of the four control sequences.  If
>>this is the case, do you have to keep track of this and start the next
>>movement with the next control sequence?
>
>
>YES, and if you reverse the control sequence the motor will step in the
>other direction.
>
>>
>>2) Assuming the answer to question 1 is yes, then what about when you power
>>up and don't know what step point it is at?
>>
>
>
>you could always step the motor through two steps. but normally if position
>is required then some sort of index switch is used and power up will run the
>motor to the index switch (home) position
>
>
>michael

And don't forget the motor does not have much 'lock up' when unpowered.



'Grif' N7IVS