109
Example 2 The following program just outputs M code 600. (M codes over 499 don’t inter-
lock.)
N000 P000 X
N001 G01 X100 F100 M600
N002 G01 X200 F100
N003 G79
X-axis operation
MC Unit M strobe
M code
Command
from the PC
M code reset
Block N002 is executed immedi-
ately, without waiting for the M
code reset input.
5-6-4 M Code Resets
M Code Resets from the PC Depending on the status of the MC Unit, M code resets from the PC might or
might not be able to reset the M code.
Mode Explanation
Manual mode Valid for M500 to M999
Automatic
Program not being executed Valid for M500 to M999
mode
Program being executed Valid for M codes M000 to M999.
5-6-5 Effect of Mode Changes on M Code Resets
The status of M codes isn’t affected by switching from manual to automatic mode
or vice-versa.
5-6-6 Clearing M000 to M499 with Forced Block End or G74
The M strobe and M code outputs for M codes 000 to 499 will be cleared if the
program block that outputs the M code is cleared with the Forced Block End sig-
nal (PC data area interface bit) or the OPTIONAL END function (G74).
M-code Outputs
Section 5-6
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