CNC Router — GRBL Command Reference
CNC Router — GRBL Command Reference GRBL is the firmware on most desktop CNC routers. This is a quick reference for the commands you'll use at the console and the GCode you'll see in toolpaths. GRBL Real-Time Commands These work immediately, even mid-job — send directly from UGS or CNCjs console: GRBL Settings ($ commands) Common GCode Commands Zeroing Workflow gcode ; Jog to desired XY origin G92 X0 Y0 ; Set XY zero here ; Jog Z to material surface G92 Z0 ; Set Z zero at surface ; Return to origin and begin job G0 X0 Y0 G0 Z5 ; Safe height clearance Troubleshooting GRBL Links GRBL wiki on GitHub GRBL config tool UGS (Universal Gcode Sender) CNCjs
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