FPΣ User's Manual
7.1 Overview
101
PWM output function
A special instruction makes it possible to output pulses with a specified duty ratio.
A
B
Heater control using the PWM output function
1
Increasing the pulse width increases heating
2
Decreasing the pulse width decreases heating
Counting Range
The counting range of the built-in high-speed counter is from -2 147 483 648 to 2 147 483 647
(32-bit binary number).
The high-speed counter is a ring counter. Consequently, if the counted value exceeds the
maximum value, the counter returns to the minimum value. Similarly, if the counted value
drops below the minimum value, the counter goes back to the maximum value and continues
counting from there.
+2 147 483 647
+2 147 483 646
+2 147 483 645
-2 147 483 646
-2 147 483 647
-2 147 483 648
1
Maximum value
2
Minimum value
NOTE
Using linear interpolation instruction F175_PulseOutput_Linear and circular
interpolation functions F176_PulseOutput_Center or F176_PulseOutput_Pass:
The target value or the amount of travel must be within the range of -8 388 608
to +8 388 607 (24-bit binary number).
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