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Forum: 70. Control Systems

Thu 18 November 2010, 19:28

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

Hi Clayton, I've stripped down the kitchen...

Hi Clayton,
I've stripped down the kitchen table project for rebuilding into the control box. Then I toasted my multimeter which has delayed wiring up switches, etc.
I'll have a look and see...

Forum: 70. Control Systems

Thu 02 September 2010, 19:56

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

Using the PMDX-125 built-in test mode

Here is the query I sent to PMDX. It exposes my embarrassing lack of knowledge :o
Forgive the idiot question but I can't get motors to turn and am trying
> to fault trace.
> 1.The E-stop LED is...

Forum: 70. Control Systems

Wed 01 September 2010, 23:44

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

Motors not turning

I'm using PMDX-125 with Gecko 203's and MK9801 motors.
I connected up the motors last night but could not get them to jog using the test pulser built into the PMDX-125 (nor Mach3).

I've checked...

Forum: 70. Control Systems

Sun 25 July 2010, 20:33

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

My students are back at uni this week with a ton...

My students are back at uni this week with a ton of learning ahead of them ... I know how they feel!
Thanks for the clear explanation. I have a much better handle on where to apply opto-isolators...

Forum: 70. Control Systems

Sun 25 July 2010, 04:11

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

Hi Mike, I had to look up opto-isloation and I...

Hi Mike,
I had to look up opto-isloation and I found it is a way of transmitting a signal while keeping circuits electrically separated.

I remember there were discussions about the computer...

Forum: 70. Control Systems

Tue 13 July 2010, 07:32

Replies: 116

PMDX parallel port break out card for the MechMate

Views: 142,598

Posted By Red_boards

Under the assumption that the board had been...

Under the assumption that the board had been around for a while now, I got the PMDX-125 Gecko 203v bundle from PMD and am now assembling a kitchen table experiment (waiting for motors to arrive). ...

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