Can't SIM programs with spindle speed over 12500rpm

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17 May 2026 02:19 #346450 by macsddau@linuxcnc
Can't SIM programs with spindle speed over 12500rpm was created by macsddau@linuxcnc
Hi,From few month program SIM (not on the CNC) are stucking before controled movement (not G0). By chance, I have fond that reducing spindle speed unlock the program.
I take a look a the HAL configuration and check some values with HalShow. Starting from spindle-speed-cmd to spindle-at-speed, There is a calculation error between sim_encoder_0.speed input pin and encoder_0.velocity output pin.

Attached a calc file with some values of tested values
Version info : LCNC 2.9.8 Run In Place SIM on LinuxMint 22.3 (6.8.0-117-generic
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