UCSB board setup

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UCSB board setup

Postby Vmax549 » Sat Feb 20, 2021 4:39 pm

I am setting up a new UCSB bob to be used for encoders and probes (tool probe and spindle probe) . I don't see any examples for encoder hookups. Also all the inputs seemed to be either 12v or 24v hookups . Are there any 5v senarios for the inputs like for probes and 5v MPGs and 5v spindle encoders etc. All the stuff I plan to add came from a LPT setup (mach3, spindle encoder, MPG,touch probe , tool probe,etc).

(;-) TP
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Re: UCSB board setup

Postby dezsoe » Sat Feb 20, 2021 6:01 pm

UCSB also works with 5V. Common the I- inputs to GND and connect the encoder outputs to I+ inputs. If it doesn't work then connect the I+ inputs to the same 5V as the encoder and the encoder outputs to the I- inputs.
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Re: UCSB board setup

Postby Vmax549 » Sat Feb 20, 2021 8:46 pm

OK when you say common the i- to ground did you mean earth ground or 0v (common) ??

(;-) TP
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Re: UCSB board setup

Postby dezsoe » Sat Feb 20, 2021 9:24 pm

Sorry, 0V is written on the board. :)
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Re: UCSB board setup

Postby cncdrive » Sun Feb 21, 2021 5:17 am

It depends on the encoder outputs. If they are NPN or PNP or line driver, there are drawings for all there type of outputs in the UCSB manual.
If it is TTL buffer output then you can connect it as NPN or PNP, then both connection diagram will work.
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Re: UCSB board setup

Postby Vmax549 » Mon Feb 22, 2021 5:06 pm

Can you tell me what the max speed of a spindle encoder would be using a 100 count encoder ??
(;-) TP
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Re: UCSB board setup

Postby cncdrive » Tue Feb 23, 2021 9:59 am

It is about 50kHz, 50000Hz, so 50000/100*60=30000 RPM (1/min)
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