[Emc-users] Appropriate PCs

I understand the computational requirements are not stressful, but I know some have management issues. Right now I have a old Dell computer with one of the chipsets specifically listed as "bad". I'm running Linux RT and LinuxCNC 2.7.4 with a 7i92 card but the latency report is pretty high. I

Re: [Emc-users] [XHC_HB04_CONFIG] doesn't work

Any thoughts? This is turning into a problem. I don't know Tcl but I guess I could start messing with the script to see why it's not getting the parameters. Danny On 5/2/2016 1:47 AM, Danny Miller wrote: > I realized at least part of the [XHC_HB04_CONFIG] section just isn't > having an

[Emc-users] [XHC_HB04_CONFIG] doesn't work

I realized at least part of the [XHC_HB04_CONFIG] section just isn't having an effect. I can't figure out why. I noticed before that "sequence =2" (before it was commented out) had no effect at all. I saw I could specify "-s 3" on the loadusr line so it didn't matter. I did end up with the

Re: [Emc-users] LinuxCNC as laser cutter?

lack of control I have in Windows, compared to Linux. >> I think it's more of a philosophical difference than a technical >> difference. >> >> Sorry, but I haven't implemented any of this LinuxCNC laser stuff yet, >> so I have only this generic advice and no specific

Re: [Emc-users] LinuxCNC as laser cutter?

logical progression. To some extent, this is an >> extension of the lack of control I have in Windows, compared to Linux. >> I think it's more of a philosophical difference than a technical >> difference. >> >> Sorry, but I haven't implemented any of this Li

Re: [Emc-users] LinuxCNC as laser cutter?

d of just turning on there. There would be no need for smoothing here. I'm worried how bad rastering would get if it were represented in G-code. Then again, I do pull in huge raster jobs with 1/16" bits anyhow on the CNC. Danny On 4/29/2016 7:55 PM, andy pugh wrote: > On 30 April 20

[Emc-users] LinuxCNC as laser cutter?

Having some preliminary thoughts about LinuxCNC's appropriateness to be a laser cutter, like 120W CO2. The other option is the open-source Lasersaur or Axecut. Those aren't particularly advanced trajectory planners or anything. Can it be a good tool for lasering? I did see where some

[Emc-users] wj200 vfd "wait-for-speed"

I have a VFD running on: http://linuxcnc.org/docs/html/man/man9/wj200_vfd.9.html Actually it's an X200 VFD and the code is slightly different, but that's not important. I noticed that it doesn't wait for the spindle to get up to speed when started in-code. It just goes. What are my options

[Emc-users] Multiple XHC mpg pendants?

I do love this wireless XHC mpg. Had some long-term plans of installing a CNC plasma not too far away, with the same system. Then I began to wonder if two of these can even exist in the same building at the same time. Obviously I don't want one broadcasting to both machines, or allow the

Re: [Emc-users] Edge detection in HAL

. It's working super-nice now. I'm confused why halui.program.run needs a significant width. I figured it would register the command any time the command was asserted. Danny On 4/24/2016 2:07 AM, Philipp Burch wrote: > Hi Danny! > > On 24.04.2016 08:37, Danny Miller wrote: >> [

Re: [Emc-users] Edge detection in HAL

his, when applied to the spindle > encoders output, allows higher Pgain in the spindle PID, stiffening the > speed vs load considerably on those machines that I have spindle > encoders in. > >> On 4/24/2016 2:07 AM, Philipp Burch wrote: >>> Hi Danny! >>> >&g

Re: [Emc-users] Time estimates

AM, Dave Cole wrote: > On 4/23/2016 2:44 PM, Danny Miller wrote: >> It should not be done in CAM software. That's just not possible. > http://support.vectric.com/aspire-questions/item/how-to-get-estimate-of-machining-time > > I can't think of a cam system that doesn't have a time

Re: [Emc-users] Edge detection in HAL

Perfect! Thanks! Danny On 4/24/2016 2:07 AM, Philipp Burch wrote: > Hi Danny! > > On 24.04.2016 08:37, Danny Miller wrote: >> [...] >> >> So I need like an edge detector that provides only a pulse for one cycle >> when the button is pressed. That seems simple e

[Emc-users] Edge detection in HAL

I have the XHC-HB04 MPG, with a combined Run/Pause/Resume button, which I find to be a smart layout. Stop is a different button. I set this up with, basically: 1. halui.program.run = button & is_idle 2. halui.program.pause = button & is_running 3. halui.program.resume = button & is_paused

Re: [Emc-users] Time estimates

t; numbers for run time. > I recall that being a problem actually in some situations. > > There is some discussion of that on the web. > https://www.machsupport.com/forum/index.php?topic=18557.0 > There are several other links available. > > Dave > > > On 4/23/2

Re: [Emc-users] Can't get XHC-HB04 MPG to work

ny On 4/20/2016 5:29 AM, Gene Heskett wrote: > On Wednesday 20 April 2016 02:29:18 Danny Miller wrote: > >> It's loading without error. The LCD works, the handwheel does jog >> the axes, and the selector knob does change the axes. But none of the >> buttons function, inc

[Emc-users] Time estimates

As I've said before, I'm used to Mach3. In this case, Mach3 allowed me to click "Simulate Toolpath" and gave a 100% accurate figure for the file's runtime. It actually simulated with the same path that would execute the code, just without waiting to step anything out, so it takes into

Re: [Emc-users] Blacklisting parts of G-code

S. > ZO RELAXEN UND WATSCHEN DER BLINKENLICHTEN. > > > https://en.wikipedia.org/wiki/Blinkenlights > > Good luck! > > > > On 04/21/2016 08:02 PM, Danny Miller wrote: >> We're running a manual-toolchange CNC router in an open shop with >> beginner user

Re: [Emc-users] Can't get XHC-HB04 MPG to work

I was a bit confused where we get the hal for the buttons: https://forum.linuxcnc.org/forum/24-hal-components/26679-xhc-hb04-wireless-mpg-pendant-hal-module?start=200 > b) The sim configs use a halfile named xhc-hb04.tcl that loads > a helper component (pendant_util) and makes all hal

[Emc-users] Blacklisting parts of G-code

We're running a manual-toolchange CNC router in an open shop with beginner users. From Day 1, some things I thought would never happen somehow happened. Someone somehow set G64 Path Blending, and to a very high value, rounding off all the cuts. Someone managed to set Tool Length Offset,

Re: [Emc-users] Mesa 5i25/6i25 +7i76 problems with 2.7.4

What I ran into was that the G540 lists a 3.3v compatibility, and a 1 us high/2us low pulse time. But those pulse times won't work for 3.3v. The G540 requires MUCH longer pulses, however there's a lot of room. If you were running a stepper at 1200 RPM (pretty high), that's 40KHz steps, a

[Emc-users] Can't get XHC-HB04 MPG to work

It's loading without error. The LCD works, the handwheel does jog the axes, and the selector knob does change the axes. But none of the buttons function, including the Step Size, so it's stuck moving by 0.001". I have LinuxCNC 2.7.4 and the Linux Preempt-RTK. I did what was specified

Re: [Emc-users] Toolchange M6

7:06 PM, Ken Strauss wrote: >> Then as Andy mentioned I think that you're stuck with forcing everyone to >> use only one tool per file since I don't believe tht LinuxCNC allows >> jogging or adjusting offsets during a tool change. Just setup a dummy tool >> table with all offsets s

Re: [Emc-users] Toolchange M6

So I will not have a "tool table". That's a nonstarter. I don't provide bits, people will use whatever they like (a very large range!) and the CAM stage is their business, not a machine issue. I wouldn't require them to mod out the tooltable file to match their bits, nor would I even allow

Re: [Emc-users] Toolchange M6

I am not in charge of CAM, not in any way. I can't control what people use to generate g-code and people will be doing whatever they feel like doing. Many CAM programs start with M6 T1. There's no reason be requiring a tool table, or stopping for manual toolchange, on the first M6 T1. If

Re: [Emc-users] Toolchange M6

What does this do, just skip toolchanges and state it's changed? Problem being, if you have a file which changes tools, there will be no opportunity to do so. The machine won't stop, right? The machine will have many users, I should mention that. Quirks on how to set up files, I can

[Emc-users] Toolchange M6

I am setting up a manual toolchange CNC router system. In the past I've worked extensively with Mach3. Someone just brought up g-code from an automated CAM that started with "M6 T1", and it barfed on loading because "T1 isn't a defined tool in the tool table". This was the one and only tool

Re: [Emc-users] Modbus wiring

Lemme clarify- whether or not you're galvanically isolating, any RS485 transceiver needs either 3-wire or 4-wire logic due to its half-duplex nature, OR to be protocol-aware. I don't know if the RTS could be used that way. RTS is hardware flow control, which is obsolete now and often not

Re: [Emc-users] Modbus wiring

That's a bare unidirectional isolator. OK for RS232. Problem being, Modbus is over RS422/RS485, a bidirectional protocol and there's a lot of difficult problems in creating buffers of any sort. It doesn't know which direction it's supposed to drive at any given time.

Re: [Emc-users] Modbus wiring

Well, if you have 2 differential wires with a simple optoisolator at the far end, ground noise/ground loops would have no effect whatsoever. You don't need a ground. There would be no place to put a ground. There are no common-mode issues. The slave device's ground could be +300VDC above

Re: [Emc-users] Modbus wiring

I had SERIOUS problems with my X200 VFD and RS485 bus- I "mostly" fixed it. Here's the thing- yes, RS485 is differential, but the VFD is probably NOT opto-isolated input. Differential conveys strong noise immunity- but ONLY when both A and B wires' voltages are within the input range of the

Re: [Emc-users] XHC-HB04 on LinuxCNC

I'm a bit confused. How do you get branched versions, and which one? When you say "something other than", is this a branch from 2.7.4 PRTK? I can't use a non-PRTK branch here. Danny On 3/31/2016 11:13 AM, dan...@austin.rr.com wrote: > But wouldn't that break the ability to home the gantry's

Re: [Emc-users] XHC-HB04 on LinuxCNC

You're describing a VERY weak, overly complicated system. Even small machines get pretty sloppy with that sort of linkage. Cross shafts have a ton of inertia and a lot less torsional stiffness than people think. Belt drives have been pretty springy on even the tiny Shapeoko stuff, and it

Re: [Emc-users] Keep getting Following Error in World Mode

OK, but if DEFAULT_VELOCITY is the initial slider position, what's DEFAULT_ACCELERATION? There's no slider for it, thus no way to change it. Danny On 3/28/2016 12:01 PM, Jon Elson wrote: > On 03/28/2016 10:34 AM, dan...@austin.rr.com wrote: >> Shoot- you're right, I changed that! >> >> Could

Re: [Emc-users] XHC-HB04 on LinuxCNC

/2016 4:49 AM, andy pugh wrote: > On 29 March 2016 at 07:34, Danny Miller <dan...@austin.rr.com> wrote: >> 1. xhc has no effect in World mode at all. Either the XYZ page or when >> you select MDI > Which version of LinuxCNC are you using? > > In 2.7 incremental joggi

Re: [Emc-users] Keep getting Following Error in World Mode

OK it's definitely from moving joint 0 or 3 while in Joint mode. Then I'll get Following Error as soon as I go to World Mode. No problems from moving joint 1(y) or joint 2(z). So it's surely a problem with the 0/3 being linked under gantrykins. I'm enclosing the .hal/.ini, if that'll go

Re: [Emc-users] XHC-HB04 on LinuxCNC

OK, what I have is: 1. xhc LCD reads coords 2. xhc moves axes slowly in Joint mode, the selector knob sets the axes. What doen't work: 1. xhc has no effect in World mode at all. Either the XYZ page or when you select MDI. 2. The step speed has no effect even when it does step, in Joint

[Emc-users] XHC-HB04 on LinuxCNC

I do like this pendant. I used it under Mach3 with mixed success- it was essential to have SOMETHING on a large router where you're away from the keyboard, but it was kind of a mess the way it responded (and the driver was closed-source). Anyhow, trying to get it to work on 2.7.4, using

[Emc-users] Keep getting Following Error in World Mode

I have the Preempt RT Debian and Linux 2.7.4. and a Mesa 7i92 card on a router using gantrykins to link joint 0 and joint 3 for the gantry. I've been seeing some trouble where it's ok in joint mode, then as soon as I go into World mode, I get "joint 0 following error". Any idea why that is?

Re: [Emc-users] Using a vfd vs G33.1

long. Danny On 3/13/2016 11:26 PM, Gene Heskett wrote: > On Sunday 13 March 2016 22:05:11 Danny Miller wrote: > >> Which VFD is this? >> >> Danny >> > A blue label in a matching sized depression on the right side claims it > is a: > > HY01D523B > With t

Re: [Emc-users] Using a vfd vs G33.1

Which VFD is this? Danny On 3/13/2016 8:52 PM, Gene Heskett wrote: > On Sunday 13 March 2016 13:39:10 Jon Elson wrote: > >> On 03/13/2016 08:47 AM, Gene Heskett wrote: >>> On Sunday 13 March 2016 09:30:30 John Thornton wrote: I just used the the one for by the drive. I "think" not all

Re: [Emc-users] Using a vfd vs G33.1

Actually at least the X200 and WJ200 have integral interal braking resistors- but, for practical reasons of space and cooling, they're undersized and only "remedial". They can't absorb the full current of high-speed braking that the drive can potentially deliver. Danny On 3/13/2016 1:14 PM,

Re: [Emc-users] Using a vfd vs G33.1

I DID see there's "braking units" AND "braking resistors". I am unclear on what's inside a braking unit. I am sure it has a self-resetting breaker at least. But that is not even all that good to have- opening of the breaker would cause the VFD to go into an overvolt error state. You won't

Re: [Emc-users] Using a vfd vs G33.1

From what I gather, the primary factor is the motor voltage and drive hp. A 2.2KW motor with a 2.2KW drive on 208v is 10.6 amps. Well, the phase currents are a different calc, and we're also talking about the main bus cap in the VFD which is rectified off the 208v source. So these numbers

Re: [Emc-users] Using a vfd vs G33.1

Oh look, same thing but larger: http://www.ebay.com/itm/1-Trapezium-500W-100ohm-Aluminum-Housed-Wire-Wound-Braking-Resistor-/281080278842?hash=item4171b0af3a:g:VqMAAMXQ855RwVCg From what I'd Googled, the wattage can be much lower with drives for spindles that just need them to stop on a low

Re: [Emc-users] Using a vfd vs G33.1

Without an external braking resistor, the deceleration is much more limited. What happens is the back EMF charges the main bus capacitor, and it will go into an overvolt error and simply freewheel to avoid charging it further to a point where it will damage the cap. I have a 3KW air-cooled

Re: [Emc-users] That TTS to er20 adapter package we all jumped on.

Well, this has got me intrigued. What are the ATC spindle options nowdays that would work for a wood router? http://www.blurrycustoms.com/#!store/cu2p/!/AVX3/p/35336572/category=9308353 Cheapest I see is a $3600

Re: [Emc-users] Need help with X200 VFD modbus

3/7/2016 4:14 AM, Gene Heskett wrote: > On Monday 07 March 2016 02:21:53 Danny Miller wrote: > >> And that did it! Well, is there any reason to hook that enable up >> to anything? Won't it issue a stop via Modbus if we do Toggle Machine >> Power? (I should have checked

Re: [Emc-users] Need help with X200 VFD modbus

And that did it! Well, is there any reason to hook that enable up to anything? Won't it issue a stop via Modbus if we do Toggle Machine Power? (I should have checked that). I found the code has a bug, it's making a "calculated frequency" by multiplying the freq by 100x. But neither the

Re: [Emc-users] Need help with X200 VFD modbus

I saw it mentioned on http://wiki.linuxcnc.org/cgi-bin/wiki.pl?VFD_Modbus Which just said "I know nothing about Classic Ladder"- basically I don't know anything either. The wj200_vfd.comp path looked shorter. I was not impressed with the way Mach3 ran "brains". That was super-simplistic and

Re: [Emc-users] Need help with X200 VFD modbus

the response packet automatically? Danny On 3/6/2016 2:54 AM, Philipp Burch wrote: > That's what qModMaster could be good for, then. > > Bye, > Philipp > > On 06.03.2016 09:50, Danny Miller wrote: >> I don't see a reason to view the traffic itself. I need to go though >

Re: [Emc-users] Need help with X200 VFD modbus

I don't see a reason to view the traffic itself. I need to go though the manual and read back register values and try writing some regs. It's tedious to do with the panel, and I'd have to unmount the VFD and disable to Modbus to do any panel reads. So, reading via modbus would be much more

Re: [Emc-users] Need help with X200 VFD modbus

So it is! It's "--baud=". Well, it didn't make the VFD run. And looking at the Hal monitor, the vfd "Ready" was False. I looked through the code, I see where it reads the coils, and compared with wj200 manual and x200 manual... the x200 does have all the same coils, but for some reason the

[Emc-users] Need help with X200 VFD modbus

I have an X200 VFD (a predecessor to the WJ200) I commanded with Modbus under Mach3, but am moving this to LinuxCNC. Same PC. So the hardware's fine. It's starting from a motherboard RS232 port that we've used for other things under Linux (and has an RS485 converter). VFD is programmed to

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