PIC18F4539-ESLASHMLSQTP datasheet(121/322 Pages) MICROCHIP

121 / 322 page

 2002 Microchip Technology Inc.

Preliminary

DS30485A-page 119

PIC18FXX39

void ProMPT_SetAccelRate(unsigned char rate)

Resources used: 0 stack level

rate range: 0 to 255

Description: Sets the acceleration to the value of rate in Hz/second. The default setting is 10 Hz/s.

void ProMPT_SetBoostEndModulation(unsigned char modulation)

Resources used: Hardware Multiplier; 0 stack levels

modulation range: 0 to 200

Description: Sets the End Modulation (in %) for the Boost logic. Boost mode operates at Boost Frequency, and the

modulation ramps from BoostStartModulation to BoostEndModulation. This function should not be called while

Boost is enabled.

unsigned char ProMPT_SetBoostFrequency(unsigned char frequency)

Resources used: 0 stack levels

frequency range: 0 to 127

Description: Sets the frequency the drive goes to in Boost mode. Frequency must be < 128. On exit, w = 0 if the

command is successful, or w = FFh if the frequency is out of range. This function should not be called while Boost is

enabled.

void ProMPT_SetBoostStartModulation(unsigned char modulation)

Resources used: Hardware Multiplier; 0 stack levels

modulation range: 0 to BoostEndModulation

Description: Sets the Start Modulation (in %) for the Boost logic. Boost mode operates at Boost Frequency, and the

modulation ramps from BoostStartModulation to BoostEndModulation. This function should not be called while

Boost is enabled.

void ProMPT_SetBoostTime(unsigned char time)

Resources used: Hardware Multiplier; 0 stack levels

time range: 0 to 255

Description: Sets the amount of time in seconds for the Boost mode. Boost mode operates at Boost Frequency, and

the modulation ramps from BoostStartModulation to BoostEndModulation over BoostTime. This function

should not be called while Boost is enabled.

void ProMPT_SetDecelRate(unsigned char rate)

Resources used: 0 stack levels

rate range: 0 to 255

Description: Sets the deceleration to the value of rate in Hz per second. The default setting is 5 Hz/s.

unsigned char ProMPT_SetFrequency(unsigned char frequency)

Resources used: 2 stack levels

frequency range: 0 to 127

Description: Sets the output frequency of the drive if the drive is running. Frequency is limited to 0 to 127, but should

be controlled within the valid operational range of the motor. Modulation is determined from the V/F curve, which is set

up with the ProMPT_SetVFCurve method. If frequency = 0, the drive will stop. If the drive is stopped and frequency > 0,

the drive will start.

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