How can I replace 7I33 to one chanell card

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aike
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24 Nov 2010 06:46 #5581 by aike

How can I replace 7I33 to one chanell card was created by aike

Hi!
I use only one channel in 7I33 card. Three other channels are spare.
How can I replace this card to othe board?
What cards have only one PWM+encoder channel?

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andypugh
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24 Nov 2010 10:36 #5585 by andypugh

Replied by andypugh on topic Re:How can I replace 7I33 to one chanell card

aike wrote:

I use only one channel in 7I33 card. Three other channels are spare.
How can I replace this card to othe board?
What cards have only one PWM+encoder channel?

Is it a problem that the card has spare channels?

If you want to use the "wasted" pins on the header than connects to that board then you can make up a special connection cable where half the cable goes to the 7i33 and half to another board to be used as GPIO (splitting any finer than that is possible, but more difficult.

You can change the number of active encoder channels in the hm2 modparam line, any channels that are "left out" become available for general purpose IO.

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aike
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24 Nov 2010 16:07 #5588 by aike

Replied by aike on topic Re:How can I replace 7I33 to one chanell card

andypugh wrote:

aike wrote:
Is it a problem that the card has spare channels?

If you want to use the "wasted" pins on the header than connects to that board then you can make up a special connection cable where half the cable goes to the 7i33 and half to another board to be used as GPIO (splitting any finer than that is possible, but more difficult.

You can change the number of active encoder channels in the hm2 modparam line, any channels that are "left out" become available for general purpose IO.

No, it;s not he problem, and I did the same you wrote.
But I think that not right to buy card for 80$ and use only 20$

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PCW
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24 Nov 2010 18:12 #5591 by PCW

Replied by PCW on topic Re:How can I replace 7I33 to one chanell card

If you just need one analog channel for spindle control (and more step/dir and encoders) a 7I47S might be more appropriate

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