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  • Aciera
  • Aciera's Avatar
19 Nov 2024 07:07 - 19 Nov 2024 07:40
Replied by Aciera on topic Fast Hole EDM from Hacked Parts

Fast Hole EDM from Hacked Parts

Category: General LinuxCNC Questions

Not sure about the analog input of your MESA hardware but it might be possible to use a MESA THCAD board which converts DC voltage to frequency and connects to an encoder input. But you would need to check if it is suitable for 3.3V

'M52 Pn' is Gcode so it would have to go into the Gcode program or be issued as an MDI command.

once you have the voltage (or frequency ) in HAL you can do all kinds of things including a PID loop to control the feedrate also a GUI panel should be trivial then.
  • 7strideR
  • 7strideR's Avatar
19 Nov 2024 06:53
Replied by 7strideR on topic Linux CNC powered Ethercat Mill Retrofit

Linux CNC powered Ethercat Mill Retrofit

Category: EtherCAT

Thank you, I am still far out from this project as I have not purchased anything yet, I want to make sure I know what I need and what I'm buying. I am currently learning about Ethernet ports with real-time operations and which PC to use for this.
  • mBender
  • mBender
19 Nov 2024 04:13

LinuxCNC-RIO - RealtimeIO for LinuxCNC based on FPGA (ICE40 / ECP5)

Category: Computers and Hardware

I need someone pointing me in the right direction to get my spindle running.

I can either try to get classic ladder to work. For whatever reason, it will not work with Rio.

This is the code rio creates in the rio.hal file.
loadrt classicladder_rt
addf classicladder.0.refresh servo-thread

If I start LinuxCNC, it is not in Modbus Master mode. So I changed the configuration. This is what works on the same machine.
loadrt classicladder_rt numS32out=100
addf classicladder.0.refresh servo-thread
loadusr classicladder --modmaster vfd.clp

When I start LinuxCNC I get the following error:
Shared memory conflict or RT component not loaded!
ERROR CLASSICLADDER-   Ladder memory allocation error

I tried to remove the numS32out=100, but no success. I can load the program manually with the ladder editor, but it is still not in modmaster mode and won't work.

I could also continue to work on the Modbus integration. I know which registers to read and write from my VFD, but need some starting help to translate this:

 

Into this:
 
 
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