4-Channel Micro USB Relay Module 5V PLC Upper Computer Control Board

Notice:

• When the board is powered on, all the relays will be activated.

Description:

• It's designed with MICRO USB and serial port for communicating with outside. It's more convenient to connect module with PC and other device.
• The normal working voltage of this module is 5V.
  

Parameters

• Channel Count: 4
• Working current: 400mA
• Input Voltage: 5V
• Seiral Port baud rate: 9600bit/s
• Module Control Frequency: 1000Hz

Interface

• Micro USB: Standard micro USB Female Port.
• TX: Transmit
• RX: Receive
• 5V: Volt current condenser
• GND: Ground

Serial port usage method

• Module can communicate with other device directly through serial port.
• Module can receive single byte from upper monitor ( baud rate 9600):
• Upper Monitor 0x50 0x51
• 0xAB
  
• Module will turn to normal work state after receive "0x51". Then every data byte will control the relay directly.
• Each bit controls a relay ( '0' mark start, '1' mark stop ).

Downloads:

• Please contact me for PC Software "Relay Board Manager" if needed.

What's in the Package:

• 1pcs 4-Channel Micro USB Relay Module 5V