Advice for future rebuilds

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23 May 2017 14:45 #93549 by PCW
Replied by PCW on topic Advice for future rebuilds
If you want a step/dir Ethernet solution, I would suggest a 7I76E as its currently
fully supported and needs fewer cables. If you want to add encoder feedback
to the step/dir channels you can add a 7I85 or 7I85S later.

AFAIK PathPilot only runs on RTAI so will not currently support our Ethernet cards.
Pathpilot looks nice and has a great conversational interface, _but_ its really made only
to support Tormach products. You will get better support and easier updates if you stay with stock
LinuxCNC (perhaps with one of the newer GUIs)

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23 May 2017 18:07 #93556 by tecno
Replied by tecno on topic Advice for future rebuilds
Is there anybody in Europe that has 2 pcs 7i76E and 1pcs 7i85 in stock?

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23 May 2017 18:40 #93560 by PCW
Replied by PCW on topic Advice for future rebuilds
EUSurplus may have them

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23 May 2017 19:24 #93563 by tecno
Replied by tecno on topic Advice for future rebuilds
How to connect 7i73 to 7i76E?

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23 May 2017 19:48 #93564 by rodw
Replied by rodw on topic Advice for future rebuilds

How to connect 7i73 to 7i76E?


You just grab an ethernet cable, plug one end into the 7i73, chop the other end off and connect to the serial port pins on the 7i76e.

I have to say the 7i76e has been very nice to work with on my build. Everything just works as it should! Don't forget it has 2 MPG encoders as well as a spindle encoder.

I have never understood the fascination with PathPilot on non Tormach hardware. It seems to cause a lot of issues as people work around the locked in stuff.

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23 May 2017 20:12 #93566 by tecno
Replied by tecno on topic Advice for future rebuilds
Thank you, good information I have missed re MPGĀ“s.

Cheers
Bengt

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23 May 2017 20:30 #93569 by rodw
Replied by rodw on topic Advice for future rebuilds
I use one MPG input for a wireless remote and the other reserved for a console which I will probably never add.
Also there are some A/D analog inputs available, With the benefit of hindsight, I would leave them unconnected until I really needed them for Digital IO. Consider adding a separate home switch. I have found seperate home/limits much nicer to configure than shared ( I have one of them). Its not as though you will be short of inputs now!

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26 May 2017 11:48 - 26 May 2017 11:49 #93655 by tecno
Replied by tecno on topic Advice for future rebuilds
PCW

What part# for cable to connect 7i85S to 7i76E? Can not find anything in your shop. I am ready to order now.

Cheers
Bengt
Last edit: 26 May 2017 11:49 by tecno.

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26 May 2017 12:37 #93656 by Todd Zuercher
This is the part on Mesa's store.
store.mesanet.com/index.php?route=produc...74_81&product_id=273
But it is just a simple flat header to parallel port cable, the same as would be used to connect to a motherboard's parallel port header pins.

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26 May 2017 12:53 #93657 by tecno
Replied by tecno on topic Advice for future rebuilds
OK, the word parallel seemed to be wrong.

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