Deckel Maho NC Integration

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05 Nov 2018 02:47 - 05 Nov 2018 19:52 #119964 by gernoff
Replied by gernoff on topic Deckel Maho NC Integration
Will the attached sketch do what is described here:

'...... bias each input with a voltage divider (e.g. 2x 25k) between 3.3V to GND.
This terminates the 11 µA current output and delivers 437 mVpeak (by 12.5 kOhm). As the level does not undershoot 1V, I think it's not a problem for the sensor's output.'


Noticed the pic cut off the left side of the sketch. I have my sin+ and sin- inputs there.

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Last edit: 05 Nov 2018 19:52 by gernoff.
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05 Nov 2018 19:54 - 05 Nov 2018 19:55 #120029 by gernoff
Replied by gernoff on topic Deckel Maho NC Integration
Added a sketch in the post above of what I think the guy is describing.
Last edit: 05 Nov 2018 19:55 by gernoff.
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07 Nov 2018 14:37 #120169 by andypugh
Replied by andypugh on topic Deckel Maho NC Integration
That's not how I would interpret the words into a circuit diagram.

Can you link to the original post? I can't find it.
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07 Nov 2018 20:13 #120197 by tommylight

gernoff wrote: Added a sketch in the post above of what I think the guy is describing.

That in the sketch is not what he is describing. It says to have 2 resistors in series between +3.3V and GND, use the middle of them as input/output.
Do that for both inputs ( total 4 resistors ).
I did not do the math, but it should be ok.
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08 Nov 2018 22:52 - 08 Nov 2018 22:52 #120296 by gernoff
Replied by gernoff on topic Deckel Maho NC Integration
Like this:
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Last edit: 08 Nov 2018 22:52 by gernoff.
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09 Nov 2018 06:45 #120311 by tommylight
Yup, that should do it.
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