Two Mesa 5I20

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31 May 2017 06:32 #93867 by dirk61
Two Mesa 5I20 was created by dirk61
Hello
Would like to use two 5I20.
Can I choose in the PNCONF or what I have to write in the HAL itself the card?
Does anyone have an example?

MfG Dirk

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31 May 2017 12:08 #93877 by andypugh
Replied by andypugh on topic Two Mesa 5I20
You can use as many PCI cards as you have PCI slots. They will have pins with names like hm2_5i20.0 and hm2_5i20.1

But, why are you using the 5i20? There are cheaper cards from Mesa with the same capabilities. (the 5i24, for example)

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31 May 2017 12:11 #93879 by andypugh
Replied by andypugh on topic Two Mesa 5I20
linuxcnc.org/docs/2.7/html/config/pnccon..._machine_information

PnCConf appears to understand how to configure 2 cards. If you need more than 2 then you would need to hand-edit.

Why do you need 2 cards? A single 5i20 (or 5i23, 5i24..) can handle 1152 IO pins using the smart-serial daughter cards.

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31 May 2017 13:37 #93885 by dirk61
Replied by dirk61 on topic Two Mesa 5I20
Hello
Have a 7I33TA and two 7I37 turn it is not enough I / O for my machine

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31 May 2017 13:57 #93887 by andypugh
Replied by andypugh on topic Two Mesa 5I20
You could swap one 7i37 for a 7i44 + any combination of up to 8 of these boards:
store.mesanet.com/index.php?route=product/category&path=83_88

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31 May 2017 14:00 #93888 by andypugh
Replied by andypugh on topic Two Mesa 5I20
If you want to use more 7i37 cards, it would be sensible to use a 5i24 rather than another 5i20, in any case.

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01 Jun 2017 05:08 - 01 Jun 2017 05:21 #93914 by dirk61
Replied by dirk61 on topic Two Mesa 5I20
Hello
For the combination with the 5I24 with a 7I48 + (3X 7I37TA) + (7I52S) what I still need for it?
Last edit: 01 Jun 2017 05:21 by dirk61.

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01 Jun 2017 13:39 #93929 by andypugh
Replied by andypugh on topic Two Mesa 5I20
Sorry, I am confused now.
Can you tell us what hardware you already have and how many servo channels and IO pins you need?

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02 Jun 2017 04:23 - 02 Jun 2017 04:24 #93990 by dirk61
Replied by dirk61 on topic Two Mesa 5I20
So far I have a 5I20 to 2X7I37TA and 1X7I48
The IO pins are exhausted
There is also a tool changer and a fourth axis.
Whether I build the two áls servo system or with steppers I'm still hesitant ............

Mfg Dirk
Last edit: 02 Jun 2017 04:24 by dirk61.

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02 Jun 2017 11:54 #93997 by andypugh
Replied by andypugh on topic Two Mesa 5I20
I see two cost-effective ways to add more IO.

1) Add a 5i24 and another 7i37TA = $198 for 8 outputs and 16 inputs
2) Swap an existing 7i37TA for a 7i44 and a 7i84. That is $148 for a net gain of 16 inputs and 8 outputs. (and another $79 gets you 16 more outputs and 32 inputs)

But: I think that the 7i37TA IO can be used for step-generation and encoder counting, whilst the 7i84 (and other smart-serial cards) can not. Though the 7i84 has two on-board MPG counters.

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