Chapter 9 NC Control Function
13) 2
nd
, 3
rd
, 4
th
homing (G30)
(G90, G91) G30 (P2, P3, P4) X_ Y_ Z_ U_
G90, G91: Absolute/Incremental command
G30: Auto-homing command
P2: 2
nd
origin
P3: 3
rd
origin
P4: 4
th
origin
X_ Y_ Z_ A_ B_ C_ U_ V_ W_ S_: Coordinate of the waypoint of each axis to be homed
This command automatically returns each commanded axis to the preconfigured 2nd, 3rd, 4th origin. If the G30
instruction is encountered during the program execution, each axis is moved to the specified 2nd or 3rd or 4th
origin at the rapid traverse rate. At this time, it stops by the commanded position of each axis on the way.
Y
X
-100 100 200
100
200
2
nd
, 3
rd
origin
Waypoint
Current point
The 2nd, 3rd, 4th origin coordinate of each axis should be specified separately in the NC channel / axis
parameters.
Through the P2, P3, and P4 commands, for the 2
nd
and 3
rd
homing to be instructed currently, you can specify
which origin is selected between the 2
nd
, 3
rd
origin."P2" refers to the 2nd origin and "P3" refers to the 3
rd
origin.
The incremental commands are available for axis positioning.
Group name and parameter name
NC channel/axis parameters
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