8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves

Specifications Supply voltage DC 6 5 25V Working current 10 12MA without any load Size 35X 28X 5MMWeight 5 gramsDescription MODBUS RTU Command support function code 05 06 15 16 Write 01 03 ReadBy modifying the 485 address up to 247 modules can be cascaded for use please use R485 repeater for more than 16 modules Baud rate 1200 2400 4800 9600 default 19200 38400 57600 115200BPS Parity bit None Even Parity Odd Parity8 Darlington Transistor output ULN2803 NPN output the driving voltage is equal to the supply voltage The maximum driving current of single channel is 200MA and the maximum driving current of all channels is 800MA 8 channels can be used as ordinary switch output support 05 15 function code to write data or use 06 16 function code to operate the 0X0080 register 8 channels can also be used as PWM output Among them 1 6 channels are Low Speed PWM channels output parameters are expressed by Period Turn On Time output Period range 0 1 6553 5 seconds Turn On Time range 0 6553 4 seconds not greater than Cycle time 7 8 channels are High Speed PWM channels output parameters are expressed by Frequency Duty Cycle output Frequency range 1 20000Hz Duty Cycle 0 100 Package Include 1 Module BoardTypical Application Directly drive inductive loads such as relays solenoid valves low power motorsLED Driver DimmingMultilayer Signal Lights Warning Light Alarm signal indicatorPLC Expanding BoardNotice The output port is a Darlington tube open drain