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-   -   Encoder limit on the RoboRIO? (http://www.chiefdelphi.com/forums/showthread.php?t=132672)

GuyM142 12-01-2015 03:19

Encoder limit on the RoboRIO?
 
This year we plan on using 4 or 5 encoders on our robot.
All of them are the quad type is AndyMark. Is there a limit on the number of encoder a robot can use besides the DIO inputs limit?

Btw
Can a potentiometer be used like an encoder on a lift and be as presice?

Thanks!

Mark McLeod 12-01-2015 10:17

Re: Encoder limit on the RoboRIO?
 
8 x4 quad encoders are supported.

A pot can work fine on a lift.
I prefer a pot (or an absolute encoder) over an incremental encoder for elevator positioning.
You always know where it is, even when it just gets turned on.

Joe Ross 12-01-2015 13:13

Re: Encoder limit on the RoboRIO?
 
Quote:

Originally Posted by Mark McLeod (Post 1426678)
8 x4 quad encoders are supported.

In addition, 8 1x or 2x decoded quaderature encoders are supported, so 16 encoders. That takes more I/O then the roboRIO has available, even if you use all the DIO on the MXP for encoders.


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