P1AM

P1-04PWM

Pulse Width Modulation Output

This module can be used to generate up to four PWM signals for use in control applications.

float dutyCycle = 50.15; // Set duty cycle to 50.15%
				int frequency = 10000;	// Set frequency to 10kHz
				P1.writePWM(dutyCycle, frequency, 1, 2); // Set duty cycle and frequency of slot 1 channel 2
				
base[1][1].value = [32.12, 250] # Set slot 1 Ch1 duty cycle to 32.12% and frequency to 250Hz
                                                            pwm_ch_2 = base[1][2] # P1-04PWM slot 1 channel 2
                                                            pwm_ch_2.duty_cycle = 50.15 # Set Ch2 duty cycle to 50%
                                                            pwm_ch_2.frequency = 10000 # Set Ch2 frequency to 10kHz

Configuration Tool

Module Data

We recommend using the status functions and configuration tool. These tables are provided as additional reference.

Module Status Data

Bytes (MSB) 7 6 5 4 3 2 1 0 (LSB) Description
Byte 0 x x x x x x x x bits 0-7 are undefined
Byte 1 x x x x x x x x bits 0-7 are undefined
Byte 2 x x x x x x x x bits 0-7 are undefined
Byte 3 x x x x x x x 0 bits 1-7 are undefined
bit 0 - Module diagnostics failure

Module Configuration Data

Default values are in bold.

Bytes (MSB) 7 6 5 4 3 2 1 0 (LSB) Description
Byte 0 x x x x x Mode 1 0 Channel 1
Bit 0 - Must be "0"
Bit 1 - Must be "1"
Bit 2 - Mode: 0 = PWM,

1 = DIR
Byte 1 x x x x x Mode 1 0 Channel 2
Byte 2 x x x x x Mode 1 0 Channel 3
Byte 3 x x x x x Mode 1 0 Channel 4

Note: Bits 0 and 1 must be set to "0" and "1" respectively for each config byte on the P1-04PWM.

Channels: 4
Output Type: Open Drain Sinking or Sourcing
Rated Voltage: 5-24V
Frequency: 0-20kHz
Examples:
Arduino
CircuitPython

Additional Resources:
Data Sheet
 P1-04PWM on AutomationDirect.com