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Hi This may look like deja'vu as I just posted this on CAD CAM. I know this is a big request. I'm getting ready to rewire my control and have posted a wiring diagram in the files section called "dereks wiring" . I'm hoping a few intrepid volunteers could take a look and give me their opinion on this. My current configuration is best summed up as the old " 10 pounds of s--t in a 5 pound enclosure" . My system has suffered noise issues from day one. I recently aquired a fairly large enclosure that will hold all of the components including the motherboard so I decided the time was ripe for new wiring. What's not shown on the diagram are the caps that gecko recommends on the power side of the drives and differential drivers and receivers I'm using on the encoders. I think I have the single point ground done correctly but I'm not sure if I handled the bridge ground to cap properly. Using a ground rod next to the machine as opposed to the wall outlet was suggested to me by a technician who was installing a large CNC router at the shop next door. I'm showing Alan Rothenberg's error reset controller that I haven't been able to get working despite numerous efforts by Alan to get it to work. Hopefully after all of this I'll have some success. The 5V power supply is one that Alan supplied to me. Lastly I'd like to thank Donald Brock for creating the original DXF wiring diagram that I modified. Boy was that a time saver. Thanks Derek

Hi- Is the a way to execute simple lines of g-code from a macro ( mo3, g01 etc. )? If so what is the proper way to enter this info into a macro. Thanks Todd

good day all, I'm going to update my controller/motherboard and was wondering if an AMD Duron 1.47 ghz processor and 512 megs of ram will be potent enough to run mach 1/2 ? i have always used athlons or pentium 4's and don't really know what to expect from a duron. any opinions would be greatly appreciated. thanks in advance jeff

Is anybody running the latest version of Mach2 with spindle speed controlled by step/dir? If you are - does it work as expected?? If you are running an earlier version, please let me know which one works for you!! -- Steve Blackmore

evening, i was wondering if mach1 / 2 is able to be interfaced to potentiometers for controlling feed rates and bounceless switches for controlling jog increments as well as axis selection. this would resemble a bostomatic type controller for anyone who knows those machines. by the way, if you read this art, its nice to hear you had a great time, and arrived back safely. thanks in advance jeff

Welcome back, how long were you gone two months? Seemed that long without our leader. Leader?, I think I'm more of a building "super" who fixes pipes when the residents keep banging them to get heat...... ;) Art www.artofcnc.ca

Would and could macros contain what may better be called a tool kit similar to what the fellow who has GenGcode group is developing. If so I feel that would be worthwhile. Bob

Hi Art - can you also look at spindle & coolant toggles - sometimes spindle fails to switch on - no LED and pin is not toggled. It seems to happen more if you toggle coolant on first. A long outstanding bug is it's impossible to set flood on extern2 and mist extern3 - they always swap back. -- Steve Blackmore

Hello Art. Nice to see you again. I can't get the override input working. Nothing, the led is not working in the diagnostic panel. Could you check it ? Thanks, Olivier.

Hi, Does the thc function alter the initial 0 z height, if I set my 0,0,0 and start the file my torch raise 1" rapids to the pierce point and the thc starts, when I call my next g0 z1 do I return to the initial 1" or do I go 1" up from the present thc offset. P.S. The THC control greatly improved the quality of my cuts, this is really a cool hardware, software combo. Todd

Hi Todd, I was wondering this also, at least can I call a function or similar also, I think its a subset of VB scripting and can call some predefined( not user defined (?)) routines Art has setup. The manual covers some specific macros, buts its really murky if your trying to do your own stuff. I'd like to see a bunch of real world examples of macros for Mach2. (Actual scripts with all the content explained). It'd be nice if we could post a 'library' of them in the files section to help all of us. mo3,

One more quick question: Is there a way to pas a variable in to the Gcode? Example: M6START tool = GetSelectedTool() x = GetToolChangeStart( 0 ) y = GetToolChangeStart( 1 ) z = GetToolChangeStart( 2 ) a = GetToolChangeStart( 3 ) b = GetToolChangeStart( 4 ) c = GetToolChangeStart( 5 ) SetCurrentTool( tool ) code "G00 G53 Z-.1" code " G00 G59 P255" M6END x = GetToolChangeStart( 0 ) y = GetToolChangeStart( 1 ) z = GetToolChangeStart( 2 ) a = GetToolChangeStart( 3 ) b = GetToolChangeStart( 4 ) c = GetToolChangeStart( 5 ) StraightTraverse x, y, a, b, c code "G43 H (Tool) " ; I don't think this will work And then I can set the tool change location as 255 Thank you Brian

Hi, The problem with the g28.1 is repeatable, Run your z axis to 2", type g28.1z1 in the mdi, manually trip your home switch, type g28.1 in the mdi, manually trip your home switch, this time it will rapid back to 2" on the z. I dont know if this is the original 2" or if it is 2" up from tripping the switch, but something don't seem right. Todd

I'm a little confused on the wiring of my Rutex drives. Perhaps someone can help? There is a line "stepper/spi" what is it for? and "ERR/DOUT" what is this one for? and last, the step and direction are 0v-5v. There is no ground? doesn't there have to be a current flow? Bob

Hi,I have just got my plasma machine running,I am looking for some help on cutting ramp speeds Should i keep the ramp speed to the minimum the motors can handle so the require cut speed is acheived quicker. Thanks in advance Scot Uk

Just jumping into this thread because it very topical - can anyone recommend a msximum speed for my plasma cutting table - I'm in the midst of assembling the electronics and designing the table. By the "book" 16 gauge steel should be cut at 330 ipm (verse 3/8" at 35 ipm) and 1/16" aluminum at 550 ipm - this sounds extremely fast - I was initially going to design for a max speed of 200 ipm - now I've moved it up to 300 - 350 ipm. I'm anxious to hear others' experiences - any suggestions. Bob Jacoby Florida wrote:

Brian Tried to send this direct so you could get the attachment but your e-mail bounced (twice) I think that the attached macro (not with this post as Group will not allow them) coded for test as M90 (Save As it in your Mach2\Macros folder) does the job you suggest. It would be useful to know if this is so or if I misunderstand the question. If it does work can you let me know what you tried that didn't so I can improve the documentation? To pass an argument to a macro call you provide a P Q or L word in the call and pick up the values in the VB Script by a call like xxxvalue = param1() where xxxvalue is a variable in your program and param1() is a function which returns the P word, (also param2() returns Q word value and param3() is supposed to returns L word value but I cannot get it to work) Your example suggests that this is not what you want though. You can use variables in VB Script like in Basic so your example with "tool" as a variable is OK as far as it goes setting it. There are two issues. (a) The variable "tool" will not be preserved between macros calls (so it will be unset in M6END) and (b) you need to pass a valid text string to Code. You can save the tool in a G-code interpreter parameter say [10] by SetVar(10, tool) in the M6Start and get it back by tool = GetVar(10) in M6END You should be able to format the string by something like: code ("G43 H" & tool) the variable "tool" is converted to a string and the operator & concatenates it with the fixed text "G43 H" Hope this helps. I have not tested it all put together so Art may have to put us straight. Leave out the ( and ) if you prefer - I think it reads easier with them but it's probably because of the languages I grew up with! Best wishes John Prentice

evening, i was wondering if mach1 / 2 is able to be interfaced to potentiometers for controlling feed rates and bounceless switches for controlling jog increments as well as axis selection. this would resemble a bostomatic type controller for anyone who knows those machines. by the way, if you read this art, its nice to hear you had a great time, and arrived back safely. thanks in advance jeff

Hi TorchHeads: I need help with this one. On my system G28.1 Z-5 for example will move the Z to relative Z-5 and then do a homing routine. This is repeatable time after time. How can I make it do the move back to 1 or whatever. Can you send me a G-Code file which will cause this to happen repeatedly. I do think theres a bug here, but it seems line one of those that hides under the carpet. Thanks, Art www.artofcnc.ca

Hello All: I have quite a list of small bugs and problems for next release. Please hold off on any feature requests until after next version. I was only away for a wekk, but the volume of mail is very high. Most are feature requests, but many had some additonal bugs. BTW: THC G28 bug will now be investigated further. I was waiting for confirmation, and now we have 3 sepatate systems showing this bug. ( more than 1 requires action.) Thanks for your patience on these issues. I now wait for copnfirmation on all bugs except the most serious. This is necessary as I recieve at least 5 bugs a day with 4 of them folling up with a "Never Mind..I Screwed up report. ). To save much time I now wait for a second report before jumping into the code. A single bug can take several hours of tracing to find and I've spent hundreds of hours tracing non-existant ones.) This is not a rebuke, I just wanted to make sure you guys know I'm not ignoring you on bugs, just trying to prioritize the available time to be more efficient. I have at leat 10-20 items for next weeks release and am working on them. Thanks, Art www.artofcnc.ca