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  • langdons
  • langdons's Avatar
15 Dec 2025 17:48 - 15 Dec 2025 17:52
Replied by langdons on topic 7i96s + 7i78

7i96s + 7i78

Category: Driver Boards

You would need this and maybe another DB25 to DB25 cable, also know as parallel port cable
eusurplus.com/index.php?route=product/pr...59_63&product_id=130
And might need a firmware flash, but do check what is already installed on the card using mesaflash

Basically what I meant, but better phrased.

Cheaper option from startech:
www.startech.com/en-ca/cables/plate25f16lp

I have an extra DB25 to DB25 (parallel port) cable (also startech actually, really old OG startech).
  • langdons
  • langdons's Avatar
15 Dec 2025 17:46
Replied by langdons on topic 7i96s + 7i78

7i96s + 7i78

Category: Driver Boards

I didn't say it was a PATA cable, it's just a bit reminiscent of a PATA IDE cable.

I forgot about floppy drive cables!

Brings back good memories of ripping floppy drives out of old PCs.
  • tommylight
  • tommylight's Avatar
15 Dec 2025 17:38
Replied by tommylight on topic 7i96s + 7i78

7i96s + 7i78

Category: Driver Boards

You need a parallel port(female) to flat connector (think IDE PATA connector).

Dude, really ????
IDEA PATA is a 40 pin connector, and just to make you wonder, comes with a 40 wire and 80 wire flat cable.
Find out why.
And as a precaution, it is not a floppy drive connector either, that has ?? pins ! :)
  • tommylight
  • tommylight's Avatar
15 Dec 2025 17:35
Replied by tommylight on topic 7i96s + 7i78

7i96s + 7i78

Category: Driver Boards

You would need this and maybe another DB25 to DB25 cable, also know as parallel port cable
eusurplus.com/index.php?route=product/pr...59_63&product_id=130
And might need a firmware flash, but do check what is already installed on the card using mesaflash
  • langdons
  • langdons's Avatar
15 Dec 2025 17:21
Replied by langdons on topic 7i96s + 7i78

7i96s + 7i78

Category: Driver Boards

Yes it is possible to do that, at least from what it says on the MESA website.

You need a parallel port(female) to flat connector (think IDE PATA connector).

(Or, more like likely, an IDC 26 (male) --> DB-25(male) | DB-25 (female) --> DB-25 (female) | 7i78)

I think this is one such cable:
store.mesanet.com/index.php?route=produc...oduct&product_id=315

I think I have such an extra such cable, I suppose I could mail it to you or something.
  • sin-do-re
  • sin-do-re
15 Dec 2025 17:09
7i96s + 7i78 was created by sin-do-re

7i96s + 7i78

Category: Driver Boards

How can i use a 7i96s together with a 7i78 to get 2 more STEPGENs?

My main board 7i96s was being used to control 5 axis Stepgens, but one has fried completely, and i was hoping i could expand the board with a 7i78 i have laying around, to control a total of 6 (4+2) stepgens. is this possible? What bit file should I use? Is there one available for it ?


Best regards
 
  • PCW
  • PCW's Avatar
15 Dec 2025 16:54

Changes in configuration files generated in pncconfig for 7i76 to 7i78

Category: PnCConf Wizard

There is a 7I78X2 configuration: 7c81_7i78x2d.bit 

Do you need MPG encoders or high speed encoders+index?
  • langdons
  • langdons's Avatar
15 Dec 2025 16:25
Replied by langdons on topic Avon 3000 Mill retrofit

Avon 3000 Mill retrofit

Category: Milling Machines

Hmm...

I don't think VFDs really lose that much torque at low speeds.

Maybe at really low speeds they might, but you should be fine.

However, with a gearbox, halving speed doubles torque, which is not the case with a VFD at all.
  • Aciera
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  • jaro_p
  • jaro_p's Avatar
15 Dec 2025 14:44

Changes in configuration files generated in pncconfig for 7i76 to 7i78

Category: PnCConf Wizard

Alternatively, could someone please create a bitfile for me for 7c81 with one 7i78 and port P2 entirely for encoders (i.e. at least 3)?
  • tommylight
  • tommylight's Avatar
15 Dec 2025 14:22
  • aDm1N
  • aDm1N's Avatar
15 Dec 2025 14:15
  • cmorley
  • cmorley
15 Dec 2025 13:53

LatheEasyStep – experimental QtVCP macro for step-by-step lathe programming

Category: Qtvcp

This should be moved to the Qtvcp section.
Looks promising! Keep is updated! If you get stumped with the programming i can try to help.
  • tommylight
  • tommylight's Avatar
15 Dec 2025 13:44
Replied by tommylight on topic VOLATILE_HOME not unhoming on fault

VOLATILE_HOME not unhoming on fault

Category: Basic Configuration

Does joint.N.amp-fault-in actually turn the machine off?

Yes, it does.

Not near a machine so i can not confirm this, but IIRC:
Yes it does Disable the machine.
No, it does not trigger e-stop.
  • Aciera
  • Aciera's Avatar
15 Dec 2025 13:41
Replied by Aciera on topic VOLATILE_HOME not unhoming on fault

VOLATILE_HOME not unhoming on fault

Category: Basic Configuration

Does joint.N.amp-fault-in actually turn the machine off?

Yes, it does.
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