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  • PCW
  • PCW's Avatar
19 Jan 2025 03:01
Replied by PCW on topic A Axis creeping - Bias not fixing it - axis not responding to jog buttons

A Axis creeping - Bias not fixing it - axis not responding to jog buttons

Category: General LinuxCNC Questions

With a 10 mv offset and a P gain of 150 it should only take
0.0000666667 inches of following error to zero the bias.

Continuous creeping means an feedback issue of some kind.

I tried switching the Encoder direction, no change.

If feedback was working, this would cause an instant runaway.
  • notJamesLee
  • notJamesLee
19 Jan 2025 02:48
Replied by notJamesLee on topic Steppers Not Moving / Mapped Wrong

Steppers Not Moving / Mapped Wrong

Category: Basic Configuration

I reattached the two files and double checked and they're all at 5000.

What do you mean by wire them single ended vs differential? None of my tb6600 have the enables wired to anything on them. and powering on the machine does not lock up the motors i am still able to slide the head along the X axis
  • tommylight
  • tommylight's Avatar
19 Jan 2025 02:41
Replied by tommylight on topic forum ERROR when i try to post

forum ERROR when i try to post

Category: General LinuxCNC Questions

It appears you can now.
  • tommylight
  • tommylight's Avatar
19 Jan 2025 02:39
Replied by tommylight on topic A Axis creeping - Bias not fixing it - axis not responding to jog buttons

A Axis creeping - Bias not fixing it - axis not responding to jog buttons

Category: General LinuxCNC Questions

Up the P value, check by hand if that stiffens the shaft after clicking on "test".
Are you using the "calibration" from the "machine" menu?
  • vre
  • vre
19 Jan 2025 02:38
Replied by vre on topic Mesa modbus and pktUart

Mesa modbus and pktUart

Category: Other User Interfaces

Why shows unknown pin?
hm2/hm2_7i80.0:     IO Pin 065 (P3-35): PktUART Receive Channel #0, pin RX Data (Input)
hm2/hm2_7i80.0:     IO Pin 066 (P3-37): PktUART Transmit Channel #0, pin TX Data (Output)
hm2/hm2_7i80.0:     IO Pin 067 (P3-39): PktUART Transmit Channel #0, pin unknown-pin-3 (Output)
hm2/hm2_7i80.0:     IO Pin 068 (P3-41): IOPort
hm2/hm2_7i80.0:     IO Pin 069 (P3-43): IOPort
hm2/hm2_7i80.0:     IO Pin 070 (P3-45): IOPort
hm2/hm2_7i80.0:     IO Pin 071 (P3-47): IOPort
hm2/hm2_7i80.0: registered
Found file(REL): ./custom.hal
hm2: hm2_7i80.0.pktuart.0: SCFFIFO error
hm2: hm2_7i80.0.pktuart.0: SCFFIFO error

hm2: hm2_7i80.0.pktuart.0: SCFFIFO error

hm2: hm2_7i80.0.pktuart.0: SCFFIFO error
[QTvcp.QTVCP.QT_ISTAT][WARNING]  INI Parsing Error, No USE_PROBE Entry in PROBE, Using: none (qt_istat.py:532)
hm2: hm2_7i80.0.pktuart.0: SCFFIFO error
hm2: hm2_7i80.0.pktuart.0: SCFFIFO error

hm2: hm2_7i80.0.pktuart.0: SCFFIFO error
hm2: hm2_7i80.0.pktuart.0: SCFFIFO error
  • tommylight
  • tommylight's Avatar
19 Jan 2025 02:33
Is it worth it to buy larger stepper drivers? was created by tommylight

Is it worth it to buy larger stepper drivers?

Category: General LinuxCNC Questions

It should be enough, make the machine work, then it will be much easier for you to decide if you need bigger drives.
Or in short: Move on! :)
  • tommylight
  • tommylight's Avatar
19 Jan 2025 02:31
Replied by tommylight on topic Steppers Not Moving / Mapped Wrong

Steppers Not Moving / Mapped Wrong

Category: Basic Configuration

1. check the ini file what the value of step space and step time is, make them all 5000 if not already
2. i would wire the drives to Mesa as single ended, you have them differential (might be just below the opto threshold)
3. do not wire the Enable on the drives at all
4. do the motors lock when the drives are powered?
  • GoodB0Y
  • GoodB0Y
19 Jan 2025 02:31
Replied by GoodB0Y on topic forum ERROR when i try to post

forum ERROR when i try to post

Category: General LinuxCNC Questions

Same problem for me. First post and I can't post
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