Spindle encoder wiring check

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10 Nov 2017 11:06 #101594 by timmert
I have an index and 360ppr.
What do you recommend to use rigid tapping?
Sorry my knowledge about electronics is limited.

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10 Nov 2017 14:32 #101607 by andypugh
Can you re-state the current question? I have rather lost the thread here, even after reading back from the beginning.

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23 Nov 2017 10:39 #102253 by timmert
I'm using the starter encoder that was installed on my lathe
This is a encoder with an index and 150ppr.
This should be enough for threading.

But I want to do rigid tapping.
So I will need a quadrature encoder.

The current encoder is connected with a toothed belt to the spindle.

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08 Dec 2017 19:12 #102789 by timmert
This should work I guess?

A and B channel
And Z for Index
5-24V
www.aliexpress.com/item/Incremental-Rota...b04&rmStoreLevelAB=0

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08 Dec 2017 20:44 #102796 by PCW
Replied by PCW on topic Spindle encoder wiring check
That's an open collector interface encoder
It should be OK but if you have differential inputs, a E6B2-CWZ1X would be better
Also 2000 PPR is too high resolution for parallel port reading at more than a few hundred RPM

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08 Dec 2017 20:52 #102797 by timmert
What's a good PPR?

This one is 1024PPR. The E6B2-CWZ1X isn't open?
www.aliexpress.com/item/1pcs-E6B2-CWZ1X-...f76&rmStoreLevelAB=0

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09 Dec 2017 15:14 #102826 by PCW
Replied by PCW on topic Spindle encoder wiring check
The maximum resolution (PPR) you can use depends on your hardware
What hardware are you using?

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09 Dec 2017 17:04 #102830 by timmert
I use a 7i76/5i25

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09 Dec 2017 18:06 #102835 by PCW
Replied by PCW on topic Spindle encoder wiring check
OK so you can pretty much use any resolution encoder

Encoders with differential (line driver) outputs like the E6B2-CWZ1X
will have better noise immunity than TTL or open collector types
The following user(s) said Thank You: timmert

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09 Dec 2017 19:08 #102837 by timmert
Thanks for the information PCW
I ordered the 2500PPR E6B2-CWZ1X

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