Secondary spindle on 7i76e

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01 May 2019 07:34 #132416 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
Peter, can you be so kind and have a look to add code for P2 for this BoB I have. That would be much appreciated.

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01 May 2019 19:15 #132458 by PCW
Replied by PCW on topic Secondary spindle on 7i76e
Can you remind me which BOB you have?

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01 May 2019 19:18 #132459 by tecno

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01 May 2019 20:09 #132461 by PCW
Replied by PCW on topic Secondary spindle on 7i76e
freeby.mesanet.com/7i76e_7i76x1_7i85x1_5abobx1D.bit

7I85 on P1


Mach 5ABOB on P2
PWM on DB25 pin 1
4 new stepgens on DB25 pins 2..9
all other P2 pins GPIO
The following user(s) said Thank You: tecno

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02 May 2019 07:04 #132492 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
Thank you Peter!

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03 May 2019 11:27 #132617 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
When I connect the BOB to P2 the 7i76e will halt = NO LED's CR13 goes out!

Is this W12 to be changed? Pins 18-to 25 are ground in pport db25 so I do not get this.

This option should only be enabled
for Mesa breakout boards or boards specifically wired to accept 5V power on DB25 pins
22 through 25. When the option is disabled DB25 pins 22 through 25 are grounded.
Jumper W7 controls the power option on P1, W12 controls the power option on P2.

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03 May 2019 12:45 #132625 by Todd Zuercher
Yes, If you don't change those jumpers the 5v supply will be shorted out when you connect an ordinary parallel port card. (Hopefully you didn't damage anything.)

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03 May 2019 13:24 - 03 May 2019 13:25 #132629 by tecno
Replied by tecno on topic Secondary spindle on 7i76e
W12 was in UP position. Now in DOWN position 7i76e works OK with the BOB
Last edit: 03 May 2019 13:25 by tecno.

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03 May 2019 16:42 #132646 by pl7i92
Replied by pl7i92 on topic Secondary spindle on 7i76e
you are doing great
and it gets better and better
like i am now running faster then ever on the 7i92

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