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  • 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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