Mesa 7i49 Board configuration

PCW
Away
Moderator

04 Mar 2012 04:29 #18333 by PCW

Replied by PCW on topic Re:Mesa 7i49 Board configuration

The problem I see is that your HAL file has all the PID terms set to 0:

P = 0.0
I = 0.0
D = 0.0
FF0 = 0.0
FF1 = 0.0
FF2 = 0.0
BIAS = 0.0

This means that the PWM value
(from the output of the PID component)
will be 0 regardless of position error

Please Log in or Create an account to join the conversation.

cncbasher
Offline
Moderator

04 Mar 2012 09:15 #18334 by cncbasher

Replied by cncbasher on topic Re:Mesa 7i49 Board configuration

even with values for P & D ( 1.0 1.0 )
there's no effort to even start the servos

Please Log in or Create an account to join the conversation.

hatch789
Topic Author
Offline
Premium Member

04 Mar 2012 14:17 #18341 by hatch789

Replied by hatch789 on topic Re:Mesa 7i49 Board configuration

yes we changed P & D as soon as you said that before. It has had no effect. Could you take a quick look please; at the BIT file just in case there's still something wrong in there?

Please Log in or Create an account to join the conversation.

PCW
Away
Moderator

04 Mar 2012 15:08 #18343 by PCW

Replied by PCW on topic Re:Mesa 7i49 Board configuration

did you check the enables?

Please Log in or Create an account to join the conversation.

hatch789
Topic Author
Offline
Premium Member

04 Mar 2012 15:10 #18344 by hatch789

Replied by hatch789 on topic Re:Mesa 7i49 Board configuration

Yup, CNCBasher said they all look good from everything he can see.

Please Log in or Create an account to join the conversation.

PCW
Away
Moderator

04 Mar 2012 15:14 #18345 by PCW

Replied by PCW on topic Re:Mesa 7i49 Board configuration

Did you do this test:

To check the enables test for conductivity with an Ohmmeter between say ENA0+ (red lead) and ENA0- (black lead) These should show conductivity when LinuxCNC in ON

Please Log in or Create an account to join the conversation.

hatch789
Topic Author
Offline
Premium Member

04 Mar 2012 15:17 #18346 by hatch789

Replied by hatch789 on topic Re:Mesa 7i49 Board configuration

yes I have done that for both X & Y axis and it shows conductivity only in the one direction on both X & Y when I have the power on in AXIS.

Power off in AXIS and these drop to open circuit (no conductivity). But I'm not using the amps; and Friday you said these were for the amps. I'm using the Aout and ground and these are still producing 0v

Please Log in or Create an account to join the conversation.

PCW
Away
Moderator

04 Mar 2012 15:20 #18347 by PCW

Replied by PCW on topic Re:Mesa 7i49 Board configuration

what is the PWM value in hal? (depending on PID gain PWM scale and resolver these coul be very small)

Please Log in or Create an account to join the conversation.

hatch789
Topic Author
Offline
Premium Member

04 Mar 2012 16:36 #18351 by hatch789

Replied by hatch789 on topic Re:Mesa 7i49 Board configuration

if I had the right "PIN" that I was looking at, it was right next to the enable pins. The values were zero for both X & Y

Unless I'm not understanding your question?

Please Log in or Create an account to join the conversation.

PCW
Away
Moderator

04 Mar 2012 16:54 #18352 by PCW

Replied by PCW on topic Re:Mesa 7i49 Board configuration

What I was asking is in _HAL_ what is the PWM value?

Please Log in or Create an account to join the conversation.

Moderators: PCW, jmelson

Time to create page: 0.072 seconds