M5Stack STAMP PWR485 RS485 Communication Expansion Board Data Acquisition Modbus

Description STAMP PWR485 is an RS485 communication expansion board that converts the 3 3V TTL level of the MCU serial port into a differential signal compatible with the RS485 standard With a compact size 20 4 6 23mm it can be integrated into various embedded devices for RS485 communication interface expansion Suitable for RS485 sensor data acquisition Modbus bus node communication and other applications Product Features SP485EEN L TR RS485 transceiver 2x RS485 interface expansion parallel can be connected to two devices at one timeRed LED indicatorThe PWR485 interface supports 9 24V DC input internal DCDC step down to 5V to power the module and main control Baud rate Stable communication baud rate 9600bps 115200bpsMaximum communication baud rate test 128000bpsMultiple soldering optionsThree types soldering options are available SMT DIP Jumper wire With high temperature resistant plastic enclosure Peak temperature 230℃Applications RS485 communicationModbus device communicationSpecificationParametersRS485 TransceiverSP485EEN L TRInput VoltagePWR485 interface supports 9 24V input power TTL side input voltage 5VRecommended operating baud rate9600bps 115200bpsOperating CurrentDC5V 3 2mADC12V 2 8mADC24V 2 1mAInput LogicLevel3 3VNet Weight5 1gGross Weight7 3gProduct Size20 4 6 23mmPackage Size93 138mmPackage includes 1 x STAMP PWR4851 x HT3 96 4P female connector2 x HY2 0 4P female connector blue white 1 x HEX Key 1 5mmExampleArduin0UART TESTArduinoModbus