Packname: 3Ch RS485 to PWM Square Wave Pulse Generator 1Hz-20kHz Frequency Duty Cycle Adjustable DC 5V 12V​ ​1 pcs3 Ch RS485/TTL232 PWM Square Wave Pulse signal Generator(Please choose the version you need)

​Features ​​1 Working voltage: 5V (5V version), 8-24V (12V version); ​2 Working current: 11-15MA; ​3 MODBUS RTU command supports 03, 06, 16 function codes; ​4 RS485/TTL232 interface optional ​5 This module has a total of 3 independent PWM outputs, and the frequency and duty cycle can be set separately; ​6 PWM frequency range 1Hz~20KHz, adjustment step 1Hz, accuracy 0.6% ​7 Duty cycle range 0%~100%, adjustment step 1%, accuracy 0.6% ​8 PWM is TTL Level ,single channel maximum driving current 20MA, 3 channels total maximum driving current 28MA ​9 Default baud rate 9600 N 8 1, Baudrate and parityoptional ​10 If the setting is wrong, you can short-circuit ''RESET'' for 5 seconds to restore the factory settings ​11 In MODBUS RTU command mode, up to 247 devices can be used in parallel ​12 size: 31*15*6.2mm ​13 Weight: 3 grams ​ ​For instruction details, please refer to '' PWM8A04 modbus rtu protocol'' ​ ​Application:​1. LED Dimming controller ​2. DC Motor & Stepper Motor PWM Debug Controller ​3. SCR dimming controller ​4. PLC Industrial Controller ​5. UNO MEGA MCU DIY ​​ ​​​​