Axis AXIS USB Manuel d'instructions télécharger pdf (Page 35)

When PWM2 is not used for Mach3 watchdog status output, PWM2 ‘s duty cycle

can be set by using a M code, i.e.” M101”. Create a new text file called m101.m1s

under Mach3/Macros/Mach3Mill directory. Fill the following content by a text

editor and save.

Declare Sub PWM2_SetDutyCycle Lib "HyCNC_4P"(ByVal duty As Double)

PWM2_SetDutyCycle(Param1())

PWM2_SetDutyCycle is a function declared in HyCNC_4P.DLL. It takes a double

input value between 0.0 – 1.0 that controls the PWM2’s duty cycle. Such value is

provided by P parameter of M101 code (via Param1()). To test this M code, click

on page “MDI” of the Mach3’s main interface. Type “M101 P0.3↙” on the MDI

input box and check 30% duty cycle output on PWM2. This M code can be used in

GCode file(*.TAP) as well.

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Axis AXIS USB Manuel d'instructions Page 35