5i22- how do I add a 7i44 to my config?

PCW
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27 Sep 2022 19:36 #252888 by PCW

Replied by PCW on topic 5i22- how do I add a 7i44 to my config?

I think that's a 1,000,000 count per turn serial encoder

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M4MazakUser
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27 Sep 2022 22:11 #252893 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

Its hard to find real info on them

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M4MazakUser
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28 Sep 2022 01:08 #252904 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

Ok, so it's definitely a serial encoder, though it looks like many people have used them before with linuxcnc. I found a "fanuc servo amplifier ai series manual and the pins are only named
5v, 0v, 6v, fg, and RD and *RD the last two i geuss being serial.

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Todd Zuercher
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28 Sep 2022 14:11 #252940 by Todd Zuercher

Replied by Todd Zuercher on topic 5i22- how do I add a 7i44 to my config?

I have a dead one of those (same part # A860-2000-T301) on my desk in front of me, but I know next to nothing about it other than it is definitely absolute, probably serial and non functional.

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M4MazakUser
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29 Sep 2022 19:21 #253045 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

So the fanuc encoders are rs422 from what I've read in previous posts, not sure if there's a Way to use these with a 5i22, so would it be best to replace them with standard a-b-z encoders, i really want to get into wiring this thing and getting some movement out of it!

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PCW
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29 Sep 2022 20:48 #253048 by PCW

Replied by PCW on topic 5i22- how do I add a 7i44 to my config?

If they are standard Fanuc type I serial encoders, there is firmware to read them.

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M4MazakUser
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29 Sep 2022 21:41 #253055 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

So if I ask really nicely? Any chance I could get a bit file for...
A 5i22
To run
A 7i44
Connected to 2x 8i20's
And a 7i72 and a 7i84d and a 7i73 pendant interface.
With a 7i37ta (i/o)
And a 7i47 that will do rs422 comms with the 2 servo encoders
The spindle drive will be easy enough to configure later on. It's ordered and is a simple on/reverse/ 0-5(or10v) .

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M4MazakUser
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30 Sep 2022 01:13 #253073 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

Actually after reading more... I see the encoders can connect directly to the 7i44.. haven't read a lot on this yet.

(Plenty of light reading to do...)

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tommylight
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30 Sep 2022 09:07 #253080 by tommylight

Replied by tommylight on topic 5i22- how do I add a 7i44 to my config?

M4MazakUser wrote:
Actually after reading more... I see the encoders can connect directly to the 7i44.. haven't read a lot on this yet.

Yes, some can, i have some serial absolute encoders in use for several years, wired to a 7i74, the 25 pin version if 7i44...i think.
Needed new firmware though, PCW took care of that.
Thank you, PCW.

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M4MazakUser
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30 Sep 2022 13:50 #253100 by M4MazakUser

Replied by M4MazakUser on topic 5i22- how do I add a 7i44 to my config?

I've found a 2017 firmware on github,

i22_1500 SV16 SVST8_24 SVST8_8 SVST2_4_7I47
The end one, does this (7i47) work the same as a 7i44 ??

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