Ehternet motion card

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03 Aug 2022 05:48 - 03 Aug 2022 13:52 #248900 by CNC123
Replied by CNC123 on topic Ehternet motion card
Thanks
So what kind ends sensors i will need on motion card Mesa7i96S
NPN OR PNP
And NC or NO?

Hmm?
Last edit: 03 Aug 2022 13:52 by CNC123.

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03 Aug 2022 11:46 #248920 by andypugh
Replied by andypugh on topic Ehternet motion card
The product page says:

11 isolated inputs provided for general control use including limit switch and control panel inputs. Inputs operate with 5V to 36V DC and can have a positive or negative common for sourcing or sinking input applications


So you can use either NPN (positive common) or PNP (negative common) depending on which you choose.

NO or NC depends on the target. You want a power failure or cable break in the sensor to look like an end stop.

One subtlety that it is easy to miss with proximity sensors is that inductive sesors have two types. The shielded ones can be identified by the outher threaded sleeve coming all the way to the end. Those will work if buried in the metal of a machine axis. The other type, whee you can see the plastic end, will detect the hole that they are in if they are below the surface.
The following user(s) said Thank You: CNC123

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04 Aug 2022 08:19 - 04 Aug 2022 08:51 #249012 by CNC123
Replied by CNC123 on topic Ehternet motion card
A aký druh Rasberry na to potrebujem, pi4 bude dobrý?
Len len obrazovku a toto
a.aliexpress.com/_mMiQqlK

je všetko alebo potrebujem potrebovať viac?

Hm
Last edit: 04 Aug 2022 08:51 by CNC123.

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04 Aug 2022 10:08 #249017 by andypugh
Replied by andypugh on topic Ehternet motion card
I am not sure that a Pi4 is a good choice at the moment, availability is low and the prices are very much higher than they should be.

You could look at the Pi400, they seem to be available and you get a keyboard included.

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04 Aug 2022 11:38 - 04 Aug 2022 12:02 #249023 by CNC123
Replied by CNC123 on topic Ehternet motion card
Ok, a potom budem potrebovať iba obrazovku a potom nainštalujem linuxcnc a bude fungovať áno?

Hmm
Last edit: 04 Aug 2022 12:02 by CNC123.

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04 Aug 2022 18:37 - 04 Aug 2022 18:37 #249056 by CNC123
Replied by CNC123 on topic Ehternet motion card
So Mesa 7i96S with who will be works
With rasberry pi4 or 400 or something better???
Last edit: 04 Aug 2022 18:37 by CNC123.

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05 Aug 2022 10:22 #249108 by andypugh
Replied by andypugh on topic Ehternet motion card

So Mesa 7i96S with who will be works
With rasberry pi4 or 400 or something better???

www.mini-itx.com/~J3355B-ITX might be worth considering? 

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06 Aug 2022 09:44 - 06 Aug 2022 12:26 #249188 by CNC123
Replied by CNC123 on topic Ehternet motion card
Ok
And i will be need something more for this computer? Or no

Hmm
Last edit: 06 Aug 2022 12:26 by CNC123.

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06 Aug 2022 18:48 - 06 Aug 2022 18:49 #249216 by CNC123
Replied by CNC123 on topic Ehternet motion card
What, are you think, about this boys???
Last edit: 06 Aug 2022 18:49 by CNC123.

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07 Aug 2022 23:16 #249310 by andypugh
Replied by andypugh on topic Ehternet motion card
If you meant to attach links, it didn't work.

To answer the first question, yes, the PC motherboard that I linked will need RAM, a PSU and storage. For PSU a PicoPSU (from the same site) is about £20 and RAM is another £20.

For storage you probably need an SATA drive, I have had decent success with things like www.ebay.co.uk/itm/293724488453 though I think that these are now rather outmoded and there may be more cost effective options on a GB/$£€ measure.

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