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Author Topic: Always in the Slow Jog Mode  (Read 8022 times)

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Re: Always in the Slow Jog Mode
« Reply #10 on: March 24, 2008, 10:46:08 PM »
I could not find my inline breakout board, could I unplug the cable and test the voltages directly from it?
Mr. Chips
Retired 3M'r

Offline Chip

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Re: Always in the Slow Jog Mode
« Reply #11 on: March 24, 2008, 11:31:35 PM »
Mr.Chips

Check at the printer port, If it's good, Check at the Stepper Control board, If it's good there to, It's your stepper board.

If it's not good at the Stepper Control board, It would be ether your wiring or brake-out board.

Thanks, Chip
Re: Always in the Slow Jog Mode
« Reply #12 on: March 25, 2008, 04:52:26 AM »
I unplugged the parallel cable and tested X Y and Z dir. on the cable  
X+ = 5.1  X- = 0   
Y+ = 0    Y- =5.1 
Z+ = 0    Z- =5.1

So the signal is good coming out of the parallel port and cable.

I’m not able to identify the Dir pins on either the BOB or driver cards.
Mr. Chips
Retired 3M'r
Re: Always in the Slow Jog Mode
« Reply #13 on: March 25, 2008, 04:54:49 AM »
Ha Ha from the photos I posted I can see the Dir and Gnd connections of the X Y and Z.  Bot don't tee any markings on the Driver boards.
I'll go out and check the BOB anyway.
Mr. Chips
Retired 3M'r
Re: Always in the Slow Jog Mode
« Reply #14 on: March 25, 2008, 05:14:05 AM »
Checking voltages on BOB   
X+ = 5.1  X- = 0     Moves on both directions
Y+ = 0    Y- = 0      Only moves in one direction
Z+ = 5.1    Z- =5.1  Only moves in one direction

BOB output voltages are not correct on Y and Z axis.
Mr. Chips
Retired 3M'r

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Re: Always in the Slow Jog Mode
« Reply #15 on: March 25, 2008, 01:05:35 PM »
Mr.Chips

Are the step/dir Low actives set the same as your X axis in Ports & pins ?

Maybe this board is wear-ed, Try changing the dir Low actives for Y, Z to opposite state

Lost your Phone # give me a call.

Thanks, Chip
« Last Edit: March 25, 2008, 01:55:04 PM by Chip »
Re: Always in the Slow Jog Mode
« Reply #16 on: March 25, 2008, 02:08:07 PM »
Mr.Chips

Are the step/dir Low actives set the same as your X axis in Ports & pins ?

Maybe this board is wear-ed, Try changing the dir Low actives for Y, Z to opposite state

Lost your Phone # give me a call.

Thanks, Chip

Here is a shot of the ports and pins and they are currently set.
Mr. Chips
Retired 3M'r
Re: Always in the Slow Jog Mode
« Reply #17 on: March 25, 2008, 02:10:40 PM »
Here are the electrical test results, looks like my BOB might be damaged.
Mr. Chips
Retired 3M'r
Re: Always in the Slow Jog Mode
« Reply #18 on: March 25, 2008, 02:11:37 PM »
Chip
I have to run an errand will be back later
Thanks
Hager
Mr. Chips
Retired 3M'r

Offline Chip

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Re: Always in the Slow Jog Mode
« Reply #19 on: March 25, 2008, 03:18:20 PM »
Hi, Mr.Chips

Thy should be like this, Try using the A axis on your bob for one of the bad axises.

Thanks, Chip