Movement Control Commands
3.2 Determining the coordinate value input modes
04.07
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SINUMERIK 802D sl/840D/840D sl/840Di/840Di sl/810D ISO Milling (PGM) -- 04.07 Edition
3.2 Determining the coordinate value input modes
This section describes the commands used to input coordinate values.
3.2.1 Absolute/incremental design atio n (G90, G91)
These G codes specify whether dimension values specified following an axis
address are given in an absolute value or incremental value.
Using the G90/G91 command
Features of G90 and G91
Table 3-3 Absolute/incremental designation G codes
G code
Function Group
G90 Absolute designation 03
G91 Incremental designation 03
S G90 and G91 are modal G code belonging to 03-group. If G90 and G91 are
specified in the same block, the one specified later is valid.
S The power-ON state, that is the G90 or G91 mode that is valid when the power
is turned ON, can be set to MD 20154:
EXTERN_GCODE_RESET_VALUES[2].
Command format
S For the commands specified in and after the G90 block, the dimension values
specified following an address of X, Y, Z, 4th are treated as absolute values.
S For the commands specified in and after the G91 block, the dimension values
are treated as incremental values.
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