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wiring motorfaders - unclear documentation (or PICNIC ;-) Rate Topic: -----

#1 User is offline   deadpoet 

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Posted 01 November 2011 - 23:27

Hi there,

I'm finally continuing my quest for the motorised analog desk (http://midibox.org/f...-existing-mixer).

Been assembling the modules (core, din and mf) and I stumbled on something that I think I did not understand wel...

On connecting the motorfaders, am I correct to assume the following:
(deducted from http://www.ucapps.de...connections.pdf and http://www.familygat...N11M9_Spec.PDF. I will be using http://www.familygat...AON12M9_10K.pdf)

green lines go to '2' in the alps document (the wiper)
yellow lines to 't' (touch sensor)
red line to '1' (0%)
nothing connected to '3' (100%)
grey line to the chassis

M11,21,31, ... to 'A' (motor positive side)
M12,22,32,... to 'B' (motor negative side)


Is this correct? My electronics and circuit knowledge is next to zero so I find it strange that I should apply +5V to the '0%' connector...



Thanks in advance,
Herwig

#2 User is offline   Screaming_Rabbit 

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Posted 02 November 2011 - 12:29

View Postdeadpoet, on 01 November 2011 - 23:27, said:

... I find it strange that I should apply +5V to the '0%' connector...



The 5V are the "supply" for what gets measured after passing the resistance track, for the position determinement by the processor

Greets, Roger

#3 User is offline   deadpoet 

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Posted 03 November 2011 - 12:41

View PostScreaming_Rabbit, on 02 November 2011 - 12:29, said:

The 5V are the "supply" for what gets measured after passing the resistance track, for the position determinement by the processor

Greets, Roger

In other words, my interpretation and way of connecting is correct?


Herwig

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