Chapter 5 Positioning Instructions
5 - 95
5.3.23 Pulse Width Modulation
• Pulse Width Modulation is to operate On/Off output in designated Off duty rate and Output cycle.
(1) Parameter Write Instruction (APM_WRT)
Form Variable
Description
FREQ
WORD
Output cycle
● Setting rage: 1~20,000(ms)
DUTY
WORD
Off duty rate
● Setting range: 1 ~100(%)
(a) Fuction
• This instruction is for PWM output.
• While the input condition is On state, XGB postioning outputs pulse train in designated cycle time
in FREQ and designated Off duty rate in DUTY at designated axis in AXIS
• During PWM output, current address don’t change. Constant speed bit(X-axis: %K%6733, Y-
axis: %KX6893) and Operation bit(X- axis: %KX6720, Y- axis:%KX6880) set On.
(2) Example of Use of the Instruction
(a) Sample Program
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