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How many Pulse Train Outputs(PTO) /Pulse Width Modulation(PWM)/ Frequency Generator outputs are allowed in Modicon M238 Controllers.

Modicon M238 Controller allows maximum 2 numbers of  Pulse Train Outputs(PTO) /Pulse Width Modulation(PWM)/ Frequency Generator
outputs.
PTO provides a square wave output for a specified number of pulses and a cycle time to control servo drives and stepper drives.
 
PWM provides a wave output whose duty cycle is modulated resulting in the variation of the average value of the waveform to start/stop the
output signal
and to resynchronize the output signal on the rising edge.
 
Frequrncy Generator generates square waves form depending on the parameter with Frequency from 1 Hz to 100 Khz by 1 Hz step.
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