Table of Contents

List 4: Test Onboard Relay Output

⚠️
NOTE: Listen for relay clicks and observe LED indicators during testing.
1

Tool Change Command

  • Enter command in WEBUI: M6 T0
2

Activate Relay

  • Enter command: M3 S255
  • You should hear relay "click" sound
  • Corresponding LED should illuminate
3

Deactivate Relay

  • Enter command: M5
  • You should hear relay "click" sound
  • LED should turn off
✅

Expected Results

  • M3 S255: Relay activates with audible click and LED illuminates
  • M5: Relay deactivates with audible click and LED turns off
  • Relay responds correctly to all G-code commands

Image shows

Coming soon!

Video demonstrations

# Begin relay
relay:
  direction_pin: NO_PIN
  output_pin: gpio.26
  enable_pin: NO_PIN
  disable_with_s0: false
  s0_with_disable: true
  spinup_ms: 0
  spindown_ms: 0
  tool_num: 0
  speed_map: 0=0.000% 0=100.000% 1=100.000%
  off_on_alarm: false

This version of the WIKI is still being edited. You can check out previous videos.

Beginner upload firmware set webUI tutorial

The V4.9 plus and V4.8A V4.9A is similar config, different is the v4.9 plus step/dir model onboard driver “MS3 pin” need set in yaml.

// Relay // PWM // Laser // 0~10V // Output Test //

The V4.9 plus and V4.8A V4.9A is similar config, different is the v4.9 plus step/dir model onboard driver “MS3 pin” need set in yaml.

// Connect hardware // Limits // Probe // Motor // Relays

The V4.9 plus and V4.8A V4.9A is similar config, different is the v4.9 plus step/dir model onboard driver “MS3 pin” need set in yaml.