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Search: Posts Made By: bradm
Forum: MechMates already cutting Fri 19 January 2018, 14:39
Replies: 93
Views: 20,350
Posted By bradm
<Chuckle> I'll take a swing at that horse, too,...

<Chuckle> I'll take a swing at that horse, too, as has been done in the past. (http://mechmate.com/forums/showthread.php?t=3794)

The key here is really to think of the entire motion control...
Forum: Construction started, but not cutting yet Sun 14 January 2018, 13:56
Replies: 228
Views: 24,060
Posted By bradm
Awesome, glad it's under control! Yeah, the...

Awesome, glad it's under control! Yeah, the PD11, PD14/PD15 stuff is really more about what you decide is right for your equipment.

Happy routing!
Forum: Construction started, but not cutting yet Sun 14 January 2018, 10:43
Replies: 228
Views: 24,060
Posted By bradm
So, nothing should be set to 50hz - all of those...

So, nothing should be set to 50hz - all of those are defaulting to the lowest of the three common motor frequencies ( 50, 60, 400 ). You have a spindle, not a pump motor, so PD4,5,72 should all be...
Forum: Construction started, but not cutting yet Sat 13 January 2018, 14:52
Replies: 228
Views: 24,060
Posted By bradm
I don't think that PDF is correct. The model...

I don't think that PDF is correct. The model name scheme doesn't match. Using this one. (http://zlitos.com/pub_file/00005_inverter/inverter_instruction_manual.pdf)

With PD01 = 0 you're...
Forum: Construction started, but not cutting yet Thu 11 January 2018, 16:01
Replies: 228
Views: 24,060
Posted By bradm
Okay, so those sound like reasonable voltage...

Okay, so those sound like reasonable voltage readings. Now let's confirm polarity.

You've got the (-) side of the meter on ACM, and the (+) side on VI, and the reading is positive voltage? If...
Forum: Construction started, but not cutting yet Thu 11 January 2018, 14:25
Replies: 228
Views: 24,060
Posted By bradm
That control voltage should be DC. If you're...

That control voltage should be DC. If you're measuring it in AC, then you're basically measuring the noise and power supply ripple, not the signal value.

If the meter really was in Volts AC, can...
Forum: Miscellaneous / General / Whatever / Catchall Sun 24 December 2017, 14:01
Replies: 3
Views: 329
Posted By bradm
Best of the season right backatcha Sean, and to...

Best of the season right backatcha Sean, and to everyone else as well.

Wish everyone a happy healthy and successful new year.

Brad
Forum: Construction started, but not cutting yet Fri 15 December 2017, 09:53
Replies: 228
Views: 24,060
Posted By bradm
Well, for measuring simple DC voltage, Harbor...

Well, for measuring simple DC voltage, Harbor Freight will sell you a disposable piece of junk for 6 bucks or so. I must own five of them, scattered around so that I don't have to go fetch the one...
Forum: Construction started, but not cutting yet Wed 13 December 2017, 13:06
Replies: 228
Views: 24,060
Posted By bradm
So not getting a reading from ACM to VI is...

So not getting a reading from ACM to VI is weird, and so is getting a reading from DCM to VI. It makes me continue to be suspicious of a wiring error. I assume the reading at VI must have moved...
Forum: Construction started, but not cutting yet Wed 13 December 2017, 10:56
Replies: 228
Views: 24,060
Posted By bradm
What does a meter with black on ACM and red on VI...

What does a meter with black on ACM and red on VI show during the test? Any chance you have aout and agnd reversed?

I notice you have a yellow/green wire connected to VI, does that go to aout as...
Forum: Construction started, but not cutting yet Wed 13 December 2017, 07:21
Replies: 228
Views: 24,060
Posted By bradm
That all seems correct. The redundant commons...

That all seems correct. The redundant commons (ACM and DCM) are pretty er, commonly found for convenience when wiring multiple harnesses to the VFD.

I suspect that the trim point all the way down...
Forum: Construction started, but not cutting yet Tue 12 December 2017, 20:47
Replies: 228
Views: 24,060
Posted By bradm
I think I would hang a meter across the analog...

I think I would hang a meter across the analog speed input of your VFD to see what the measurement is, and if it varies in response to changing the software setting.

Based on what you've described...
Forum: 70. Control Systems Tue 12 December 2017, 09:52
Replies: 14
Views: 543
Posted By bradm
Mike, is this a relatively new dryer? And the...

Mike, is this a relatively new dryer? And the neutral and ground are tied together in the dryer, but you have a four prong plug? There should be a jumper that ties them together that's supposed to...
Forum: Construction started, but not cutting yet Mon 11 December 2017, 14:23
Replies: 228
Views: 24,060
Posted By bradm
Or change the polarity on the direction pin, if...

Or change the polarity on the direction pin, if your software allows.

Have you tried the various online machining services - emachineshop and the like? I haven't used them, but if you can't find...
Forum: 70. Control Systems Mon 11 December 2017, 08:24
Replies: 14
Views: 543
Posted By bradm
Glad the mystery is solved. It's probably worth...

Glad the mystery is solved. It's probably worth asking Gecko about shipping back the dead one for repair - you might end up with an inexpensive spare for the future.

In my mis-spent youth we did...
Forum: 70. Control Systems Sun 10 December 2017, 12:58
Replies: 14
Views: 543
Posted By bradm
It sounds to me like your neutral is not...

It sounds to me like your neutral is not connected properly. You say you have 125 on each leg feeding in; 125 + 125 = 250. And you have 144 and 106 on the other side, also totalling 250. So the...
Forum: Construction started, but not cutting yet Wed 06 December 2017, 16:59
Replies: 228
Views: 24,060
Posted By bradm
Whoops, I missed that. So you're trying to PWM...

Whoops, I missed that. So you're trying to PWM to control the frequency, and you're wired from the PMDX-107 to that input? Do you have PD-002 set to 1 ?
Forum: Construction started, but not cutting yet Mon 04 December 2017, 17:56
Replies: 228
Views: 24,060
Posted By bradm
If I'm looking at the right online manuals, you...

If I'm looking at the right online manuals, you need to set PD-163, PD-164, PD-165 to an address, baud rate, and type of modbus protocol you want to use. Also PD-002 for what source controls...
Forum: Construction started, but not cutting yet Wed 15 November 2017, 14:10
Replies: 2
Views: 302
Posted By bradm
In particular, in that PMDX manual, pay attention...

In particular, in that PMDX manual, pay attention to pages 29 into 30; The normal step and direction assignments on a parallel port are 2,3 for X; 4,5 for Y; 6,7 for Z; 8,9 for A. That...
Forum: Construction started, but not cutting yet Tue 31 October 2017, 14:53
Replies: 228
Views: 24,060
Posted By bradm
In the audio of that video, it sounds like the...

In the audio of that video, it sounds like the motors are actually spinning. I wouldn't expect to hear that accell - run - decell sound if the motor was unable to move. From that angle I can't see...
Forum: CNC motion control software Tue 17 October 2017, 09:36
Replies: 62
Views: 11,182
Posted By bradm
Hey, glad you got it sorted!

Hey, glad you got it sorted!
Forum: CNC motion control software Sun 15 October 2017, 11:55
Replies: 62
Views: 11,182
Posted By bradm
Hmm. I'm fairly suspicious of those negative...

Hmm. I'm fairly suspicious of those negative axis limits confusing things. I would have expected MIN_LIMIT = 0, MAXLIMIT = (1200, 700, 120), HOME_OFFSET = (1199.75, 699.75, 119.75)
Forum: CNC motion control software Sat 14 October 2017, 09:43
Replies: 62
Views: 11,182
Posted By bradm
Okay, that's all really weird. Can you post or...

Okay, that's all really weird. Can you post or PM me your .ini file so I can go through it?
Forum: CNC motion control software Fri 13 October 2017, 09:30
Replies: 62
Views: 11,182
Posted By bradm
So, what are your machine limits? Which limit...

So, what are your machine limits? Which limit was exceeded? Z? I'm guessing that because of the red box at the lower limit of the Z axis on the display, and because you were apparently happy with...
Forum: CNC motion control software Thu 12 October 2017, 07:51
Replies: 62
Views: 11,182
Posted By bradm
Hmm. I haven't seen that. For the "no...

Hmm. I haven't seen that. For the "no percent", try making sure there is a blank line at the end of the file, after the percent. If there is no line ending, it may not be seeing the percent...
Showing results 1 to 25 of 500

 
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