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  • D Jensen
  • D Jensen
17 Mar 2025 20:21
Replied by D Jensen on topic Retrofitting a 1986 Maho MH400E

Retrofitting a 1986 Maho MH400E

Category: Milling Machines

Whoops. Big error on my part!
It's easy to forget stuff at my age. I should have checked stuff before I spouted off..
The missing pressure switch in the hydraulic in the photo is 3F1. It runs the pump directly. Otherwise the pump works as mentioned.
Contactor 5K1, which operates the tool unclamp, solenoid is part of a complex set of interlocks that stop you releasing the tool while the machine is running and stops the machine running if the tool is being changed. It also defeats the gear change jogging.
I'm not sure exactly how it works if you have the Philips controller, but I think that if you pulled any of that wiring by removing the controller the tool unclamp wont work and probably also the auto tool changer.
A lot of the interlocking is relay logic so it's probably possible to sort through the logic and strap it where the controller stuff no longer counts.
If I had an auto tool change on mine it would have been done completely on the back plane of the Heidenhain controller. But even then the relay logic would be involved and 5K1.
A key starting point is: does the hydraulic pressure pump run? It's noisy on mine. It usually runs for about 5 seconds on mine if the machine has been off for a while. On mine the light in the power button illuminates if the hydraulic pump isn't running. It's directly wired to the other contact in the 3F1 pressure switch. Seems an odd way to do it. And the bulb sometimes blows from the solenoid kick.
You will have to change gears using a spanner. On mine the half inch drive extension of a socket set works. The manual has a chart of what the coloured dots on the selector cams mean.
I think I put the logic drawing of this up earlier. It's so complex that it took me days to understand. And as you can see I often get confused by it. I went so far as to draw it in each possible state by erasing the other stuff. And even then I don't know if I got many of the possibilities.
A simple test might be to just press on the tickler on 5K1 contactor and see if the tool unclamps? Make sure to catch the tool if one is fitted.
 
  • unknown
  • unknown
17 Mar 2025 20:15 - 17 Mar 2025 20:22

PCIe - No parport registered at "0x " . This is not Always an error.Continuing.

Category: Advanced Configuration

As the message says it's not really an error, I think the only way to stop the message would be to modify the hal_parport code, or I not sure if this would work but add a debug level when loading the driver. First would work but means compiling Linuxcnc one's self the second option is just a guess.
If the machine works I wouldn't bother too much about it. Yeah it is a little annoying. But then again you have the convenience of CNC :)
  • unknown
  • unknown
17 Mar 2025 20:09

New to linuxcnc, basic question for DRO modes with encoded handwheels

Category: General LinuxCNC Questions

USB to parallel port not supported at all, don't an option.
Any other USB motion control are not supported.
All supported Mesa boards can be found on their website. You can also browse the forum to see what boards are popular at the moment.
For the DIY route Ollie's Linuxcnc- RIO project is fantastic, well supported and in active development as is Scott's Remora Project.
I've also been working on a setup that uses FPGA Dev board available via AliExpress that runs Mesa's hostmot2 firmware, ATM it only uses SPI interface for the Raspberry Pi or EPP for the PC platform, tho I'm currently working on an ethernet plugin board.
In all honesty if it wasn't so expensive to get items from the US to Australia I'd go with Mesa in a heartbeat. What board just requires at little time researching, coming up with a couple of choices then asking a few questions, the 7i76 boards pretty much have it all.
  • tommylight
  • tommylight's Avatar
17 Mar 2025 19:59
Replied by tommylight on topic Linux_Mint_22.1_LinuxCNC_2.10.iso

Linux_Mint_22.1_LinuxCNC_2.10.iso

Category: Installing LinuxCNC

Seems like an issue with languages/locales, or missing translation to Russian.
Try to set locale to UTF-8, see if that helps, if not, then short of installing it again in English i am out of ideas.
I did test on my Laptops, Axis works, even the parallel port config works despite not having a parallel port.
  • tommylight
  • tommylight's Avatar
17 Mar 2025 19:54
Replied by tommylight on topic Migration von 2.8.4 auf 2.9.4

Migration von 2.8.4 auf 2.9.4

Category: Deutsch

You can test everything, even run machines, without installing LinuxCNC, just boot from USB in Live mode and run the sim configurations included, or use another USB or the internal HDD if you want to actually run the machine, again without installing anything.
  • nobby42
  • nobby42
17 Mar 2025 19:48
Replied by nobby42 on topic Migration von 2.8.4 auf 2.9.4

Migration von 2.8.4 auf 2.9.4

Category: Deutsch

I am still working with version 2.8.4. I wanted to test what version 2.9.4 can do better and installed it in parallel.
  • directandrew
  • directandrew
17 Mar 2025 19:28

New to linuxcnc, basic question for DRO modes with encoded handwheels

Category: General LinuxCNC Questions

The good news is im open to hardware options!

PC and Parallel - I have an older PC with the Parallel port that i could use... (I read that a USB to 25pin is no good for latency, so not going that route, this has the port!) 

Mesa - I know of it. seems good if the setup is more straightforward. Looks like they run about $100 to $300. Do you happen to know a PN or feature so i can look that up?

Cheap stuff maybe just to test on? there is also some USB styles... but i dont think they place nice with Linuxcnc?
www.amazon.com/Controller-100Khz-Breakou...08BJTB1GQ/ref=sr_1_6
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