TOMATECH AUTOMATION
G30 Pn X(U) Z(W) X and Z return to the machine nth reference point simultaneously
Note 1: n in the above table is 2, 3 or 4;
Note 2: Do not check the deceleration, zero signal when you execute the machine 2nd, 3rd, 4th
reference point.
Command operations: (taking example of returning to machine 2nd reference point as
follows):
(1) Rapidly traverse to the middle position of command axis from the current position (A
point
→B point);
(2) Traverse from the middle point with the speed set by No.113 to the 2nd reference point
set by
No.122 and No.123 (B point →R2 point);
(3) When CNC is not in the machine lock state, the completion signal of reference point
return ZP21 Bit0, Bit1 is high.
Note 1: Execute the machine 2nd, 3rd, 4th reference point return after you manually execute the
machine reference point return or G28 (machine reference point return).
Note 2: A→B and B0→R2, two axes separately traverse, and so their trails are linear or not.
Note 3: CNC cancels the tool length compensation after you execute G30 to return 2nd, 3rd, and
4
th
reference point.
Note 4: Must not execute G30 (machine 2nd, 3rd, 4th reference point return) when the zero switch
is not installed on the machine.
Note 5: Do not set the workpiece coordinate system when you execute the 2nd, 3rd, and the
machine 4
th
reference point return.
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