Omron C200H-MC221 -, Operation Manual

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Example 4 The M strobe and M code will be cleared if the OPTIONAL END function’s
optional input is received while they are being output.
G74 3
G00 X500 M100
G01 X1000
Optional input 3
X-axis operation
M strobe
M code
5-6-7 Clearing M500 to M999 with Forced Block End or G74
The M strobe and M code outputs for M codes 500 to 999 won’t be output cleared
if the program block that outputs the M code is cleared with the Forced Block End
signal (PC data area interface bit) or the OPTIONAL END function (G74), but
previous M codes won’t be cleared.
Example 5 The M strobe and M code won’t be output if a Forced Block End signal is
received before they are output, but a previous M code and M strobe won’t be
cleared.
M700
G00 X500 M600
Forced Block End
X-axis operation
M strobe
M code
Program block
execution
(M code 600 won’t
be output.)
M-code Outputs
Section 5-6