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  • rodw
  • rodw's Avatar
20 Jan 2025 02:28
Replied by rodw on topic Is it worth it to buy larger stepper drivers?

Is it worth it to buy larger stepper drivers?

Category: General LinuxCNC Questions


I have one DM556 driver that is capable of 4A RMS maximum.

That is all.

Yes, that is all the drive can do but does the motor actually need 4.6 amps to run his machine? My guess probably not.
  • vre
  • vre
20 Jan 2025 02:19 - 20 Jan 2025 02:33
Replied by vre on topic Mesa modbus and pktUart

Mesa modbus and pktUart

Category: Other User Interfaces 

#define MAX_MSG_LEN 16 // may be increased if necessary to max 251
#define DEBUG 2

static const hm2_modbus_chan_descriptor_t channels = {
/* {TYPE, FUNC, ADDR, COUNT, pin_name} */
{HAL_BIT, 3, 130, 8, "in"},
{HAL_U32, 16, 1, 8, "out"},
};

compilation : sudo modcompile file.mod

this is a working mb2hal configuration for my modbus module
[TRANSACTION_00]
LINK_TYPE=serial
SERIAL_PORT=/dev/ttyS0
SERIAL_BAUD=9600
SERIAL_BITS=8
SERIAL_PARITY=none
SERIAL_STOP=1
SERIAL_DELAY_MS=5
MB_SLAVE_ID=1
FIRST_ELEMENT=129
PIN_NAMES=01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16
HAL_TX_NAME=in
MB_TX_CODE=fnct_03_read_holding_registers

[TRANSACTION_01]
PIN_NAMES=01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16
MB_TX_CODE=fnct_16_write_multiple_registers
FIRST_ELEMENT=1
HAL_TX_NAME=out
MAX_UPDATE_RATE=0.0
  • Lcvette
  • Lcvette's Avatar
20 Jan 2025 01:50
Replied by Lcvette on topic Tool unclamp / air pulse/ clamp logic without ATC carousel

Tool unclamp / air pulse/ clamp logic without ATC carousel

Category: QtPyVCP

Hard wired button. If you add an ATC you would use a motion.digital pin in the ATC stubs to activate, but you would still need the manual button for hand the spindle to store in the carousel.
  • tommylight
  • tommylight's Avatar
20 Jan 2025 01:34
Replied by tommylight on topic Is it worth it to buy larger stepper drivers?

Is it worth it to buy larger stepper drivers?

Category: General LinuxCNC Questions


I have one DM556 driver that is capable of 4A RMS maximum.

That is all.

  • tommylight
  • tommylight's Avatar
20 Jan 2025 01:34
Replied by tommylight on topic Path display glitching - QTPlasmaC - v1.235.265 QtVCP LinuxCNC v2.9.0

Path display glitching - QTPlasmaC - v1.235.265 QtVCP LinuxCNC v2.9.0

Category: Plasmac

Found file(REL): ./custom.hal
[Errno 2] No such file or directory: '/home/cnc/linuxcnc/configs/T17/qtvcp/screens/qtplasmac'

The rest seems to be triggered by this.
  • IB_CnC
  • IB_CnC
20 Jan 2025 01:27 - 20 Jan 2025 01:32
Tool unclamp / air pulse/ clamp logic without ATC carousel was created by IB_CnC

Tool unclamp / air pulse/ clamp logic without ATC carousel

Category: QtPyVCP

So I have a pneumatic atc spindle, with 4 pneumatic functions (unclamp, clamp, air blast and seal cleaning air(always on when machine runs)) and some sensors. But I don´t have an ATC carousel yet.

This means I have to load the tools manually, via the Tool tab, and by actuating some pneumatic valves by hand in order to get the tool to be released.
If I enable the ATC tab, I can also use the clamp / unclamp buttons (not sure yet if these are directly triggering the m64 P# or calling the subroutine. If subroutine, I could add logic over there)

What is the recommended way to manually load tools in Probe Basic?

Is there some dialog or button I can use to call the subroutine for clamping, airpulse and unclamping which I´m overlooking?
Or is the expectation that this is handled via a hardwired button, as long as no ATC is used?
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