MC Series Brushless Driver User Manual
19
2023 - September version V1.2
Calculation formula in open loop mode:
1. For a signal with a duty cycle of D at the PWM port input , the driver output duty cycle D can
be calculated as:
D output
2. If you want the driver to output a D% duty cycle signal, the duty cycle D input to the PWN port
should be:
D input
the external input PWM duty cycle is <5 % , the driver output duty cycle is D1%
When the external input PWM duty cycle is > 95% or the PWM pin is left floating , the driver
output duty cycle is D2%
Calculation formula in closed loop mode:
1. Input a voltage with a duty cycle D to the PWM port, and calculate the output speed n of the
driver to be:
n output
2. If the output speed of the driver is n, the duty cycle D input to the PWM port should be:
D input
the external input PWM duty cycle is <5 % , the driver output speed is n1 .
the external input PWM duty cycle is > 95% or the PWM pin is left floating , the driver output
speed is n2 .
J6 encoder signal port:
pay attention to the line sequence when connecting . Incorrect wiring may cause encoder failure or
damage.
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