GSK 980MDc - Page 68

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Chapter 3 G Command

I Programming

Format

：

G30 P2 X_ Y_ Z_ ; the machine 2nd reference point return (P2 can be omitted)

G30

P3 X_ Y_

Z_ ; the machine 3rd reference point return

G30 P4 X_ Y_ Z_ ; the machine 4th reference point return

Function: From the start point, after the intermediate point by X, Y and Z is reached at a rapid

traverse rate, the machine 2

, 3

and 4

reference points are returned. The

command word P2 can be omitted

when the machine 2

reference point is returned.

Explanation: G30, which is a non-modal G-command;

X axis coordinate for intermediate point;

Y: Y axis coordinate for intermediate point;

Z axis coordinate for intermediate point;

One of the command address X, Y and Z or all of them can be omitted, see the following

figure:

Command Function

G30 Pn X

Machine n

reference point return for X axis, Y and Z axes in the

original position

G30 Pn Y_ Z_

Machine n

reference point return for Y and Z axes, X axis in the

original position

G30

3 axes in the original position, the next block continued

G30 Pn X_ Y_ Z _

X, Y and Z axes return to the machine n

reference point

simultaneously.

Note 1: n is 2, 3 or 4 in above table;

Note 2: Deceleration and zero signals check are not needed when 2

, 3

and 4

reference points return

is performed.

Command action process (see the following figure, an instance of machine 2

reference point return):

(1) Positioning to intermediate point of the specified axis from current position at a rapid traverse rate

(from point A to point B);

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