That's a tough one...this was most likely an original item for my 1991 Tree J325. I don't find any info from the Tree drawings, I had been running it off a break-out board that supplied 12Vdc and looking back at my notes it required a pull-up resistor...it is a cylindrical unit and is of the PNP variety. It triggers off a bolt at each end of the stroke. I'd guess it's an inductive sensor about 0.320 dia less than an inch long. I would also guess it's NC...
Retrofit 2.0 TREE J325
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Re: Retrofit 2.0 TREE J325
Last edited by lavrgs on Sun May 23, 2021 9:31 pm, edited 1 time in total.
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Re: Retrofit 2.0 TREE J325
NPN sensors are required for Acorn. They must sink the Acorn input. I would replace the sensor with a new 24vdc NPN sensor.lavrgs wrote: ↑Sun May 23, 2021 9:25 pmThat's a tough one...this was most likely an original item for my 1991 Tree J325. I don't find any info from the Tree drawings, I had been running it off a break-out board that supplied 12Vdc and looking back at my notes it required a pull-up resistor...it is a cylindrical unit and is of the PNP variety. It triggers off a bolt at each end of the stroke. I'd guess it's an inductive sensor about 0.320 dia less than an inch long.
Marty
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Mesa, AZ
We can't "SEE" what you see...
Mesa, AZ
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Re: Retrofit 2.0 TREE J325
It would be good to start with something new that is designed to work with the system - Normally Closed or Open??? My 0.32 measurements is close to 8mm.martyscncgarage wrote: ↑Sun May 23, 2021 9:27 pm
NPN sensors are required for Acorn. They must sink the Acorn input. I would replace the sensor with a new 24vdc NPN sensor.
Marty
Do you have a preferred unit? otherwise I will se what Automation Direct has to offer
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Re: Retrofit 2.0 TREE J325
Yes, NPN NC. Automation direct has a good selection.
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Re: Retrofit 2.0 TREE J325
I started by asking if it is possible to have mechanical limit switches and proximity sensors on the same input. If not I assume that three proximity sensors can use a single input...maybe? At this point I'm not crowding my inputs but being able stay with eight would be my first choice.
If I use three for Home I still have some room but my optional items get blown out
1. X HOME/LIMIT Try to combine 1-2-3
2. Y HOME/LIMIT
3. Z AXIS HOME/LIMIT
4. Drive OK LEAVE ON #4
5. Low Lube
6. Probe Detect
7. Probe Signal
8. E-STOP LEAVE ON #8
OPTIONAL Cycle start, feed hold, Spindle on/off, mist, tool check
If I use three for Home I still have some room but my optional items get blown out
1. X HOME/LIMIT Try to combine 1-2-3
2. Y HOME/LIMIT
3. Z AXIS HOME/LIMIT
4. Drive OK LEAVE ON #4
5. Low Lube
6. Probe Detect
7. Probe Signal
8. E-STOP LEAVE ON #8
OPTIONAL Cycle start, feed hold, Spindle on/off, mist, tool check
My Tree J325 & Projectshttps://photos.app.goo.gl/LLHf8M84eQYwP3ph6
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
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Re: Retrofit 2.0 TREE J325
I now have FWD/REV relays connected to output 4 & 5 and set up in the Wizard. I want to turn each one on from the VCP but I need to fool it into thinking there is a motor. It that possible? I can actuate the external relays with Cntr/ALT F
My Tree J325 & Projectshttps://photos.app.goo.gl/LLHf8M84eQYwP3ph6
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MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
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Re: Retrofit 2.0 TREE J325
Just go into MDI
Type
M3 forward
M4 reverse
M5 off
Type
M3 forward
M4 reverse
M5 off
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
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Mesa, AZ
We can't "SEE" what you see...
Mesa, AZ
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- Location: Oregon
Re: Retrofit 2.0 TREE J325
One item I haven't purchased yet is fans for the cabinet. What is the wisdom on voltage? There is one fan currently and I believe (It's not connected 8-(...) it's 120 VAC. I was considering using 12VDC fans.
I'd also like to get a mounting system for the Acorn board and am looking at Winford items http://www.winford.com/products/cad/din ... 23_dwg.pdf and use a sheet metal plate
I'd also like to get a mounting system for the Acorn board and am looking at Winford items http://www.winford.com/products/cad/din ... 23_dwg.pdf and use a sheet metal plate
Last edited by lavrgs on Mon May 24, 2021 2:34 pm, edited 1 time in total.
My Tree J325 & Projectshttps://photos.app.goo.gl/LLHf8M84eQYwP3ph6
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
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Re: Retrofit 2.0 TREE J325
I'd by a fan based on the machine's line voltage. If you have 120VAC, buy 120vac fans. Any low voltage fans will require a power supply
Reminder, for support please follow this post: viewtopic.php?f=20&t=383
We can't "SEE" what you see...
Mesa, AZ
We can't "SEE" what you see...
Mesa, AZ
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Re: Retrofit 2.0 TREE J325
I should have mentioned I have a 12 Volt power supply...and 220VAC fans are ...well we don't wann a go there 9-)martyscncgarage wrote: ↑Mon May 24, 2021 2:32 pmI'd by a fan based on the machine's line voltage. If you have 120VAC, buy 120vac fans. Any low voltage fans will require a power supply
My Tree J325 & Projectshttps://photos.app.goo.gl/LLHf8M84eQYwP3ph6
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7
MAKING PARTS https://www.youtube.com/shorts/MSQ4TyTzFkk
Hardinge CHNC4 Retrofithttps://photos.app.goo.gl/244YnF9ykyUf7mfq7