User manual

4. Motion Control Instructions
4-168 DVP-MC operating manual
4.8.3. Introduction to G Code Function
4.8.3.1 G90: Absolute Mode
¾ Function: After G90 is executed, the terminal position of each axis in G code is based on 0 unit and G91
can be used to switch into the relative mode. It is absolute mode for NC program by default.
¾ Format: N_G90
¾ Parameter Explanation:
N_: The row number of G code in NC program
¾ Example:
The initial positions of axis X and Y are both 3000 units and the axis parameters are both default values.
The G codes to be executed are as follows:
N0 G90
N1 G0 X6000 Y6000
After G codes are executed, the Y/X curve for the whole movement process is shown below:
X
Position
Y
Position
O
P1
P2
3000
6000
3000
6000