Xylotex Driver Wi
A driver with a revoked license and convicted 14 times of drunken driving crashed into a cage of propane tanks before being stopped by police, according to charges filed this week in St. Croix County. He had been drinking, police said.
State of Wisconsin. Division of Motor Vehicles. Commercial drivers.
The incident Monday led to one count of felony driving with a prohibited alcohol concentration-15th offense and a misdemeanor count of driving with a revoked license against Mark Alan Johnson, 64 of New Richmond. He was also cited for failure to notify police of an accident. According to a criminal complaint: A manager at the BP station on Fourth Street in New Richmond reported at 8:46 a.m.
That someone had just driven into a cage containing propane tanks on the side of the building. Related Articles. Gas station employees approached the man after the crash, and Johnson told them his car’s brakes had failed, the employees told police. He then went into the store, bought a pack of cigarettes and left in his car over workers’ protests for him to stay until police arrived. Police documented how the cage containing the propane tanks was dented, concrete parking dividers were crooked and glass debris was left behind. Surveillance footage showed a maroon Pontiac Bonneville driven by a man in blue jeans and a blue-plaid shirt was responsible for the damage. “Instead of stopping, the vehicle rams right into the cages before backing into the parking stalls on the very west end of the parking lot,” the complaint states.
An officer on patrol spotted a car matching the description from the BP crash after noon that day. The officer pulled over the driver, Johnson, who admitted to the crash. Asked by an officer why he hadn’t waited for police, Johnson said he had to work at the time. Police then learned that Johnson’s driving privileges had been revoked due to alcohol, he was on probation and that he’d had 14 prior drunken-driving convictions. A probation agent requested that police test Johnson for alcohol since he was prohibited from driving with a concentration greater than 0.02. Johnson told police he’d had a beer for lunch.
He blew a 0.036. Johnson made his initial court appearance Tuesday in St. Croix County Circuit Court, where Judge Edward Vlack ordered him to post $15,000 cash bond. Bond conditions require Johnson to submit to random alcohol tests at least three times a week. A preliminary hearing in the case is set for Oct.
You can subscribe to this list. On Sun, 2010-02-28 at 14:48 -0700, John Harris wrote: AllBe cautious about fitting magnetic encoders to the back of NEMA34 or larger step motors.
The magnetic field in the area where the encoder is to be installed is strong enough to screw up the encoder readings. The effect shows up as noise on the position reading. John (The hard way) I was thinking of using them for feed and spindle overrides. I don't need a lot of resolution and the low wire count to hook them up is attractive. Kirk Wallace California, USA. On Sun, 28 Feb 2010 16:23:48 -0500 Gene Heskett wrote: On Sunday 28 February 2010, Cathrine Hribar wrote: Hi All: I have a problem with my stepper driver board. The board is made by Stepmaster.
Board # SOP-1 ver. 1.2 I need steplen, stepspace, dirsetup, and dirhold. Can't get steppers to be reliable faster than Max. Vol.3 The first link I found on Google doesn't bode well for making use of the device, it will not stand up to the music seems to be the general consensus of the postings I read on linuxcnc. The Xylotex boards have far better support and are much more convenient to use as they have their own B.O.B. I have 2 myself, abide by the rules and my machine can move 25 ipm with a 27.5 volt supply. They are I believe the same allegro chip used on the xylotex boards, but xylotex puts heat sinks on them and recommends plenty of air flow for full output.
And they Just Work(TM). Anyone help? Thanks: Bill - - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta.
Emc-users mailing list Emc-users@. - Cheers, Gene Hi Gene: Thanks for the reply. Yes I guess I should have used the Xylotex board, but now I have to work with what I have within reason.
If I do upgrade I will change to servos as I want to be sure that what I ask my cnc to do it will do it!!! I made a index plate for a guy last summer and some of the holes were as much as.020 off! Can't buy that. Bill 'There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order.' -Ed Howdershelt (Author) You're out of memory - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. All, Be cautious about fitting magnetic encoders to the back of NEMA34 or larger step motors. The magnetic field in the area where the encoder is to be installed is strong enough to screw up the encoder readings.
The effect shows up as noise on the position reading. John (The hard way) - Original Message - From: 'Kirk Wallace' To: 'Enhanced Machine Controller (EMC)' Sent: Sunday, February 28, 2010 1:14 PM Subject: Emc-users Magnetic Encoder Does anyone have a source for these?: Mouser wants to sell me 204 of these. Digikey says it's a non-stock item. One nice thing about these is the SPI like output. - Kirk Wallace California, USA - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. On Sunday 28 February 2010, Cathrine Hribar wrote: Hi All: I have a problem with my stepper driver board. The board is made by Stepmaster.
Board # SOP-1 ver. 1.2 I need steplen, stepspace, dirsetup, and dirhold. Can't get steppers to be reliable faster than Max. Vol.3 The first link I found on Google doesn't bode well for making use of the device, it will not stand up to the music seems to be the general consensus of the postings I read on linuxcnc.
The Xylotex boards have far better support and are much more convenient to use as they have their own B.O.B. I have 2 myself, abide by the rules and my machine can move 25 ipm with a 27.5 volt supply. They are I believe the same allegro chip used on the xylotex boards, but xylotex puts heat sinks on them and recommends plenty of air flow for full output. And they Just Work(TM). Anyone help? Thanks: Bill - - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. - Cheers, Gene 'There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order.' -Ed Howdershelt (Author) You're out of memory. Looks like they sell the AEAT-6010 and AEAT-6012 in single unit quantities. Lawrence On Sun, Feb 28, 2010 at 12:14 PM, Kirk Wallace wrote: Does anyone have a source for these?: Mouser wants to sell me 204 of these.
Digikey says it's a non-stock item. One nice thing about these is the SPI like output.
- Kirk Wallace California, USA - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. Original Message - From: 'BRIAN GLACKIN' To: 'Enhanced Machine Controller (EMC)' Sent: Sunday, February 28, 2010 11:36 AM Subject: Re: Emc-users Linear Scales Thanks for the replies. Based on your comments, I am backing away from these for the time being. Your comments led me to realize this is beyond my focus at this time.
While I certainly could attack this project, family, travel and home renovations are trumping my efforts at this time. As an aside. The three scales are all Mitutoyo, AT2 with 10', 17' and 36' lengths and are series 529. These are certainly older scales since all I could find information on Mitutoyo's were 539 series.
They guy has em listed for $130 for all with mounting brackets and the like (no box however). The price seemed reasonable. If anyone is interested in chasing them, search Reading PA craigslist and Mitutoyo and they will pop up. This is the second relisting (that I am aware of) by the seller so its not like they are flying off the shelf. Brian - I have a CNC lathe and CNC mill that both use a setup like you are referring to. It is set up so feedback from the servo motors themselves go to the servo amplifier, and the feedback from the linear scales goes to the CNC controller.
That way the servo motor to amplifier is stable independent of backlash between the motor and linear scale. These were both Anilam systems, I converted the lathe to EMC2, plan to convert the mill some day. On Sun, 2010-02-28 at 11:32 -0700, Cathrine Hribar wrote: Hi All: I have a problem with my stepper driver board.
The board is made by Stepmaster. Board # SOP-1 ver.
1.2 I need steplen, stepspace, dirsetup, and dirhold. Can't get steppers to be reliable faster than Max. Vol.3 Anyone help?
Thanks: Bill Googleing stepmasternc brought up some interesting links. This one: seems to indicate that the Alegro datasheet for the chip on your board might shed some light on how to use the chip. There is a hint that you may need a buffered break-out-board on your parallel port end of the input cable, especially if you have a low voltage parallel port. You may need to get creative to get this stepper controller/driver working well. Posting some close up pictures of the board may help. The board's datasheet: doesn't seem to help much.
Kirk Wallace California, USA. On 27 February 2010 23:33, Frank Tkalcevic wrote: Can this be done in Gcode? I can't see how to get the current machine position in gcode. I found a clunky way to do it by using G92 X0 Z0 then reading the offsets stored in #5211 and #5213. This assumes you want the current relative (working) coordinates. If the absolute coordinates are better then you can use G28.1 to store the current position in #5161-#5166.
It might be possible to connect some HAL variables to a pair of analogue input virtual pins to read them with M6. I haven't looked into that as currently the G92 way works well enough for my purposes. Thanks for the replies. Based on your comments, I am backing away from these for the time being.
Your comments led me to realize this is beyond my focus at this time. While I certainly could attack this project, family, travel and home renovations are trumping my efforts at this time. The three scales are all Mitutoyo, AT2 with 10', 17' and 36' lengths and are series 529. These are certainly older scales since all I could find information on Mitutoyo's were 539 series.
They guy has em listed for $130 for all with mounting brackets and the like (no box however). The price seemed reasonable. If anyone is interested in chasing them, search Reading PA craigslist and Mitutoyo and they will pop up. This is the second relisting (that I am aware of) by the seller so its not like they are flying off the shelf.
BRIAN GLACKIN wrote: I may pick up a set of linear scales which were part of a DRO for a milling machine. The DRO box was fried but the scales are reportedly still working. If I get these scales, will I be able to hook them up using one of the available boards (mesa or pico)? I have a 13.5X40 lathe I am considering using these for. Make sure the scales are digital output, not analog. Make sure their basic resolution is acceptable to you. There are some scales that used interpolation to increase the resolution, but those will be analog-output, of course.
A.0005' scale may not perform well in a servo application, you probably want a higher resolution one. Also, you can't use linear encoders in a servo positioning system where there is much backlash.001' might be tolerable, much more than that makes for horrible vibration and servo hunting.
Thanks for the quick reply Glenn and Kirk, The scales are quadrature output - Mitutoyo brand. I recall the list discussion on the difficulty of using the linear scales sometime last year or perhaps earlier. These are available close to me for a decent price so I thought this might be a way to go. Unfortunately the party tossed the DRO box so its just the scales, cabling and brackets. I hope to look closer at them tomorrow and maybe take a chance on them. Thanks again and I am open to any other thoughts.
Brian On Sat, Feb 27, 2010 at 11:14 PM, Kirk Wallace wrote: On Sat, 2010-02-27 at 22:21 -0500, BRIAN GLACKIN wrote: I may pick up a set of linear scales which were part of a DRO for a milling machine. The DRO box was fried but the scales are reportedly still working.
If I get these scales, will I be able to hook them up using one of the available boards (mesa or pico)? I have a 13.5X40 lathe I am considering using these for. Any suggestions including what to look for with used scales are appreciated.
Brian If the scales have quadrature output, then you should be able use a parallel port, Mesa or Pico. Some scales don't use quadrature, so at best, you would need a converter. Using a linear scale for the primary encoder is not recommended.
Usually there is a lot of feedback latency between the axis motor and the encoder, which causes feedback loop instability. Some here have used linear scales in combination with motor shaft encoders, but this is not for novice integrators. Compared to a proper motor or ball screw rotary encoder, the most common linear scales don't have very high resolution and rotary encoders can be cheaper. Although this comment may be out of date, because a lot of the newer scales have had pretty high resolutions, but still not like a rotary.
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You may want to consider fixing the DRO display or selling the scales separately and use the money to get rotary encoders (,or beer). - Kirk Wallace California, USA - Download Intel® Parallel Studio Eval Try the new software tools for yourself.
Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. On Sat, 2010-02-27 at 22:21 -0500, BRIAN GLACKIN wrote: I may pick up a set of linear scales which were part of a DRO for a milling machine. The DRO box was fried but the scales are reportedly still working. If I get these scales, will I be able to hook them up using one of the available boards (mesa or pico)? I have a 13.5X40 lathe I am considering using these for.
Any suggestions including what to look for with used scales are appreciated. Brian If the scales have quadrature output, then you should be able use a parallel port, Mesa or Pico. Some scales don't use quadrature, so at best, you would need a converter.
Using a linear scale for the primary encoder is not recommended. Usually there is a lot of feedback latency between the axis motor and the encoder, which causes feedback loop instability. Some here have used linear scales in combination with motor shaft encoders, but this is not for novice integrators.
Compared to a proper motor or ball screw rotary encoder, the most common linear scales don't have very high resolution and rotary encoders can be cheaper. Although this comment may be out of date, because a lot of the newer scales have had pretty high resolutions, but still not like a rotary. You may want to consider fixing the DRO display or selling the scales separately and use the money to get rotary encoders (,or beer). Kirk Wallace California, USA. I do not know much about scales either, but this website, though selling products, has some useful and general info. Best regards, - - Glenn -Original Message- From: BRIAN GLACKIN mailto:glackin.brian@. Sent: Saturday, February 27, 2010 7:22 PM To: Enhanced Machine Controller (EMC) Subject: Emc-users Linear Scales I may pick up a set of linear scales which were part of a DRO for a milling machine.
The DRO box was fried but the scales are reportedly still working. If I get these scales, will I be able to hook them up using one of the available boards (mesa or pico)? I have a 13.5X40 lathe I am considering using these for. Any suggestions including what to look for with used scales are appreciated.
Brian - - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@. CORRECTION: Ignore previous mail Any dwg to dxf converter for Linux available yet?
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Qcad, graphite and Dia do not support dwg. LVenter - Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. See why Intel Parallel Studio got high marks during beta. Emc-users mailing list Emc-users@.
I'm trying to write a couple of Gcode programs to automate my tool zeroing on my lathe. I'm planning on having two scripts - one to initialise zero relative to my tool #0 (everything will be relative to tool #0), and the second one will be to zero each tool after that (and update the tool table). Just focusing on the first script, I use G38.3 to touch off the tool against my touch plate.
After this, I want to set the G54 coordinate to 0. How do I do this? I can G10 L2, but it appears to use machine coordinates. I've looked in the axis code, and it uses G10 L2, and sets the G54 offset using current machine position - new position. Can this be done in Gcode?
I can't see how to get the current machine position in gcode. I guess I could fudge it and force G54 to be the same as the machine coordinate system before I start.
Thanks, Frank. On Thu, Jan 28, 2010 at 05:04:57PM -0600, Jeff Epler wrote: 2.6.30.5-rtai hits a kernel BUG when ctrltype= is specified. Investigation of in-kernel users of moduleparamarray(charp) implies that they all use zero'd out arrays, in contrast to our initialized array.
the BUG is that paramsetcharp attempts to kfree the old value. Revamp how stepgen treats ctrltype so that an empty or unspecified value is treated like 'v', so that the initial ctrltype can be uninitialized. This has the side effect of making empty ctrltypes (e.g., ctrltype=p,v,v) indicate position control. - I verified that this still works OK on sim and 2.6.12-magma (breezy!
But the only realtime system I had handy); does it fix stepgen ctrltype with your kernel? Acemi, Did you ever test this patch? Did it resolve the problem? ViestursHonestly servo drives are servo drives.
They are either tuned or not. What kind of interface do you have, analog, or step and direction? What I/O interface cards are you using if any? Are the drives operating in velocity or torque mode? Dave hello, Dave! currently i am not using any I/O cards, i would like to use step/dir mode, because the plan is to add 3 stepper motors to the system. operation mode of servo drives currently is velocity mode (at least i think so) and it can and is intended to be switched to step/dir mode (i found that in the manual of servo drive).
do You mean that i have to pay more attention to configuring servo drives rather than adjusting EMC settings for them? Please, can You explain me the most appropriate way to implement EMC controls - what are the steps i should take? Viesturs If you are going to use those drives in step and direction mode then they will close servo themselves. But they still need to be tuned properly to function.
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There should be some tuning instructions and hopefully some software that comes with those drives (or you can get) to tune the drives. Usually you start out with the motor disconnected from anything but secured so it doesn't flop around.
Then you run a tuning program and it will cycle the motor back and forth and it will analyze it's own response and set the tuning parameters for you. That is an autotune routine. If you drives are older you may need to adjust the tuning parameters yourself after running a 'test move' and watching the response either at the motor shaft or hopefully on a graphical interface provided by the servo motor company via a tuning program. Once you get that done and the drive/motor is working you connect the machine to it and rerun the tuning program to tune the drive with the load attached.
Be very careful as you don't want to damage your machine. I'd start with the 'Stepconfig' program to setup EMC2.
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It is a great way to get things up and running pretty quickly. If you type 'stepconfig' at a terminal window it should run. I have NetMos Technology PCI 9835 Multi I/O Controller with 1parallel an 2 serial ports. When I configuring it to work in 'out'-mode - it works fine, 12 outputs and 5 inputs(i have checked outs with multimeter and ins by wire with the 470 R ). When I configuring it to work in 'in'-mode, in hal configuration window I see that pin names have changed, but it works exectly as in 'out'-mode, e.g. Pin 2 named pin-02-in - but it does not in, 0V between it and ground. What is the matter?
May it be non-bidirection controller?