how to control the SPINDELMOTOR ISA 900 W 477009 with Linuxcnc

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16 Nov 2023 05:24 #285578 by timo
I tried to get encoder inputs from a breakout board similar to the shown one. For a 100 line spindle encoder A/B (400 actual counts per rev) the Inputs were just not fast enough. Particular some of the Opto couplers on the cheap cards are additionally slow on top of the parallel port issues. (it was hopeless, loosing count all the time (my spindle has 600 rpm top speed, so I thought it might work) Wasted far too much time with that thing.

With the Mesa card it was very easy and worked.
No need to scrap the parallel port card, they can be used for additional I/O.

Free German: Ich habe versucht den Spindelencoder mit so einer Parallelkarte auszulesen, das war hoffnungslos mit einem 100 Linien Encoder A/B (400 schritte pro Umdrehung und einer Höchstdrehzahl von 600 U/min) war diese Lösung völlig überfordert.
Das war ziemliche Zeitverschwendung.
Mit der Mesa Karte ging es ohne murren.
(plug and go kit 6i25 und 7i76, leider out of stock) , die empfohlene von tommy is wohl zu haben.
Die billige Parallel Port Karte kann man für "langsame" I/O noch ggf. weiter einbinden.

Gruß

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