---
name: "spindle_monitor"
section: "9"
platform: "linux"
package: "linuxcnc-uspace"
version: "1:2.9.4-2+deb13u1"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/spindle_monitor"
---

# spindle\_monitor(9)

spindle at-speed and underspeed detection

## NAME

spindle\_monitor - spindle at-speed and underspeed detection

## SYNOPSIS

**loadrt spindle\_monitor \[count=*N*\|names=*name1*\[,*name2...*\]\]**

## FUNCTIONS

- **spindle-monitor.***N* (requires a floating-point thread)

  ## PINS

- **spindle-monitor.*N*.spindle-is-on bit in**

  - **spindle-monitor.*N*.spindle-command float in**

  - **spindle-monitor.*N*.spindle-feedback float in**

  - **spindle-monitor.*N*.spindle-at-speed bit out**

  - **spindle-monitor.*N*.spindle-underspeed bit out**

  ## PARAMETERS

- **spindle-monitor.*N*.level u32 rw**

  state machine state

- **spindle-monitor.*N*.threshold float rw**

  ## AUTHOR

Sebastian Kuzminsky

## LICENSE

gpl v2 or higher