=====List 4: Test Onboard Relay Output=====

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 ====

==== Related YAML code ====


# 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.