Data Sheet

• Automatic and manual transceiver mode switch (When in manual transceiver mode, the enable
end is the 2nd digital IO port)
• Transceiver indicating LED
• Standard RS485 interface, mini RS485 interface and RS485 pins
• Welding area
• Reset switch
• PH2.0 sensor interface for DFRobot RS485 series sensor: URM04 Ultrasonic sensor