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Reference material
5.3 Special functions
LOGO!Soft Comfort Online Help
Operating Instructions, 11/2017
299
See also
Analog comparator (Page 289)
Analog threshold trigger (Page 283)
Analog ramp (Page 330)
Mathematic instruction (Page 302)
PI controller (Page 326)
Up/Down counter (Page 275)
On-delay (Page 245)
Off-delay (Page 247)
On-/Off-delay (Page 248)
Retentive on-delay (Page 250)
Wiping relay (pulse output) (Page 252)
Edge triggered wiping relay (Page 254)
Asynchronous pulse generator (Page 256)
Stairway lighting switch (Page 260)
Multiple function switch (Page 262)
Stopwatch (0BA7 and later versions only) (Page 273)
Analog filter (0BA7 and later versions only) (Page 305)
Average value (0BA7 and later versions only) (Page 311)
Max/Min (0BA7 and later versions only) (Page 307)
5.3.3.7
Pulse Width Modulator (PWM)
Short description
The Pulse Width Modulator (PWM) instruction modulates the analog input value Ax to a
pulsed digital output signal. The pulse width is proportional to the analog value Ax.
Connection
Description
Input En
A positive edge (0 to 1 transition) at input En enables the PWM function block.
Input Ax
Analog signal to be modulated to a pulsed digital output signal.
299


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