AYZ gantry machine retrofit

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01 Dec 2019 16:51 - 01 Dec 2019 17:35 #151667 by bevins
I am going out of town to do this retrofit next weekend. Just looking if someone can look my configs over to spot anythingobvious
I overlooked.

3 axis gantry router
linuxcnc 2.9.0
linuxmint 18.3

Linuxcnc starts, obvious I can't home because machine is not connected and I get following errors so I believe this is correct.
Y axis has two motors

INI file:
Warning: Spoiler!


HAL file:
Warning: Spoiler!
Last edit: 01 Dec 2019 17:35 by bevins.

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01 Dec 2019 16:58 #151668 by PCW
Replied by PCW on topic AYZ gantry machine retrofit
All the PID setup and connections are missing from the X,Y,Z axis
The following user(s) said Thank You: bevins

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01 Dec 2019 17:35 #151671 by bevins
Replied by bevins on topic AYZ gantry machine retrofit

All the PID setup and connections are missing from the X,Y,Z axis


That's about as obvious as it could get.

I updated the HAL in the spoiler above.

The one question. This is the first time using the 7i76. The spindle out is 0-10v correct?

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01 Dec 2019 17:39 - 01 Dec 2019 17:40 #151672 by PCW
Replied by PCW on topic AYZ gantry machine retrofit
The 7I76 (or 7I76E) spindle output is 0V to SPIN+ so if the SPIN+ terminal is
supplied with 5V you get 0 to 5V etc, That is, the output is a potentiometer replacement, it does
not supply the reference voltage (which can be from 5V to 15V between SPIN- and SPIN+)
Last edit: 01 Dec 2019 17:40 by PCW.

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01 Dec 2019 17:49 #151675 by bevins
Replied by bevins on topic AYZ gantry machine retrofit

The 7I76 (or 7I76E) spindle output is 0V to SPIN+ so if the SPIN+ terminal is
supplied with 5V you get 0 to 5V etc, That is, the output is a potentiometer replacement, it does
not supply the reference voltage (which can be from 5V to 15V between SPIN- and SPIN+)


ok so I can apply com from vfd to spin- and 10v from vfd to spin+ then spindle out of 7i76 goes to where the wiper would go on the vfd. correct?

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01 Dec 2019 17:57 #151677 by bevins
Replied by bevins on topic AYZ gantry machine retrofit
This is the VFD manual exert.

Attachments:

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01 Dec 2019 18:00 #151678 by PCW
Replied by PCW on topic AYZ gantry machine retrofit
Yes the 7I76 analog out is a potentiometer replacement
so
SPIN- --> CM
SPINOUT --> VIN
SPIN+ --> REF
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