Machsupport Forum

Third party software and hardware support forums. => SmoothStepper USB => Topic started by: Gadget on January 20, 2010, 02:47:45 PM

Title: Index Pulse Help!
Post by: Gadget on January 20, 2010, 02:47:45 PM

I want to use an index pulse with my lathe.
I don´t have alot of experience about this and would appreciate some help.

This is the "component" i´m using... http://www.everlight.com/upload/product_pdf/ITR8102.pdf (http://www.everlight.com/upload/product_pdf/ITR8102.pdf)
I´ve connected it to the breakout board MB-02 on the smoothstepper and
get a correct reading in between ALOT of "jitter".

How do i get rid of this jitter?
Do i need pull-up or pull-down resistors?
Someone told me that the index pulsel MUST be active low, is this true?

As it is now i believe the signal is active high since i use an index disc with a slot once/turn!

/

Title: Re: Index Pulse Help!
Post by: Hood on January 27, 2010, 07:10:04 AM

Afraid I cant help regards your specific opto but I can tell you that it is not true that you need active Low for it, all 4 of my machines that use the SS have the Index active High.
Hood