Mesa 7i92 board config with BOB

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28 Apr 2022 07:37 - 28 Apr 2022 07:40 #241441 by aabtech
    Hi, I bought a new Mesa 7i92 board and have made all the connections all the stepgen x ,y, z
moving correct but the output and input pins not workingCan someone help me with that. 
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Last edit: 28 Apr 2022 07:40 by aabtech.

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28 Apr 2022 08:58 #241446 by tommylight
That BOB needs 2 power supplies, and the optos are slow.

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28 Apr 2022 09:31 #241450 by aabtech
The BOB is powered with 5v 
all the Stepgen are moving but the input and output not working. 

 
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28 Apr 2022 10:08 #241452 by phillc54
Like Tommy said you need 2 supplies, I think you need a field supply between GND and VDD.

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28 Apr 2022 11:45 #241460 by aabtech
I have changed the board but still.
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28 Apr 2022 14:19 #241488 by tommylight
Again, this also requires 2 power supplies.
You should really read the manuals, although they are usually not much help being China cr@...

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28 Apr 2022 16:12 #241511 by aabtech
I have powered the board with two power
the Green LED is 12v and the Red LED is 5v and the 7i92 also have been powered with 5v.

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28 Apr 2022 16:26 #241513 by PCW
Replied by PCW on topic Mesa 7i92 board config with BOB
How did you check the inputs?

I think the second bob inputs are activated by grounding them

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28 Apr 2022 17:41 #241523 by tommylight
Both BOB seem to require short to ground.
Make a simple config using StepConf, just so you can start Axis GUI with it, then on the "machine" menu click on "show hal configuration", there on the left side click on "pins" then "parport",
On the right side click on the "show" tab,
On the left side click on the 10 in, 11 in, 12 in, 13 in, 15 in,
Now on the right side you can see the LED change color when you short an input to GND on the BOB.

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