Quick start guide

First motor moves

Assume axis has proper configuration sent earlier, making moves is as easy as entering command

In terminal bottom field type G0 X10 and press Enter

If linear actuator is connected it should move at default max speed by 10mm (rotary actuator should turn 10deg).

In order to move at different speeds G1 command should be used. For example G1 Y10 F100

List of supported G-code commands:

G0, G1: Linear Motions

G2, G3: Arc and Helical Motions

G4: Dwell

G10 L2, G10 L20: Set Work Coordinate Offsets

G17, G18, G19: Plane Selection

G20, G21: Units

G28, G30: Go to Pre-Defined Position

G28.1, G30.1: Set Pre-Defined Position

G38.2: Probing

G38.3, G38.4, G38.5: Probing

G40: Cutter Radius Compensation Modes OFF (Only)

G43.1, G49: Dynamic Tool Length Offsets

G53: Move in Absolute Coordinates

G54, G55, G56, G57, G58, G59: Work Coordinate Systems

G61: Path Control Modes

G80: Motion Mode Cancel

G90, G91: Distance Modes

G91.1: Arc IJK Distance Modes

G92: Coordinate Offset

G92.1: Clear Coordinate System Offsets

G93, G94: Feedrate Modes

G100, G101: TMC2300 register read/write

M0, M2, M30: Program Pause and End

M3, M4, M5: Spindle Control

M7* , M8, M9: Coolant Control

M56* : Parking Motion Override Control

Controller is shipped with X axis configured for RSB1 and X axis configured for LSA1 (0.635mm version)

Configuration

In order for controller to function correctly pulse count per revolution, acceleration and optionally motion limits has to be specified. In order to read configuration type $$ and press Enter.

Recommended values for LSA1 actuator and RSB1 actuator

Read configuration parameters

All internal configuration parameters will be printed out. For example:

$0=6

$1=255

$2=0

$3=31

$4=1

$5=0

$6=0

$10=19

$11=0.010

$12=0.002

$13=0

$20=0

$21=0

$22=1

$23=15

$24=50.000

$25=200.000

$26=250

$27=5.000

$30=1000

$31=0

$32=0

$100=111.110

$101=1007.874

$102=17.778

$103=1536.000

$110=20000.000

$111=2500.000

$112=500000.000

$113=20000.000

$120=2000.000

$121=300.000

$122=40000.000

$123=1000.000

$130=360.000

$131=90.000

$132=360.000

$133=360.000

Detailed explanation can be found on GRBL documentation

Write configuration parameters

Writing specific value is as easy as typing $100=1000 and pressing Enter If number is valid, this command will overwrite existing value and save to EEPROM.

Control software

There are number of software packages suited to control CNC machines. Comprehensive list is maintained by GRBL developers on GitHub. Our favorite is Candle by Denvi