HEIDENHAIN ITNC 530 - Page 656

1– 656 HEIDENHAIN Service Manual iTNC 530
"Scanning" a signal with a lower amplitude (low motor torque) results in a smaller difference
between pulses and pauses.
An infinite low or missing signal effects a ratio of pulse to pause of 50:50!
The torque on the motor is zero.
PWM
t
t
PWM