Mitsubishi Digital Electronics Q173HCPU/Q172HCPU Manual

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6 MOTION PROGRAMS FOR POSITIONING CONTROL

6.15.6 M100 Preread disable

Code M100

Function Preread disable

Preread is not executed on the G-code (Motion program).

Format

10;M0

[Explanation]

Executing this command does not execute preread on the G-code (Motion programs).

After completion of motion up to the preceding block, the next block is processed.

[Program Example]

N10 G01 X10. F10. ;

M100 ;

IF [#2000 EQ150] GOTO20 ;

N15 G01 Y10. ;

N20 G01 X0. Y0. ;

Since M100 exists in the next block, a

change in #2000 during execution of the

command on this line is reflected on the

IF statement below.

#2000 150

V

X-axis

t

Y-axis

(Note)

N15N10

N20N10

#2000 = 150

(Note)

V

V

V

X-axis

Y-axis

t

t

t

(Note) : When M100 is executed, constant-speed positioning does not continue from

N10 to N15 or from N10 to N20 and a deceleration stop is made once after

execution of N10.