M63 – Turn Off Digital Output Synchronized With Motion
This command switches OFF one of the 16 auxiliary outputs, synchronised with the start of the next motion command.
CAUTION: If no motion is commanded, the output will not turn OFF. It is best to specify motion immediately following the M63 command.
Syntax & Parameters
M63Pvalue – Required. Defines the auxiliary output number to switch OFF.
Valid range is 1 to 16.
Prerequisites
The output must be configured as an Auxiliary Output
where the P value matches the auxiliary number (for example, P1).Auxiliary outputs 1 to 6 can have toggle inputs assigned to turn them ON or OFF using a button.

Auxiliary outputs 7 to 16 can only be controlled through G-code.
Example Program
N10 G0 X0 N20 M62 P1 N30 X10 N40 M63 P1 N50 X20
N10: Moves the X axis to position X0
N20: Arms auxiliary output 1 to turn ON at the next motion
N30: X axis starts moving to X10 and auxiliary output 1 turns ON
N40: Arms auxiliary output 1 to turn OFF at the next motion
N50: X axis moves to X20 and auxiliary output 1 turns OFF
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