Peacefair PZIOT-E02 AC Single Phase Din Rail Meter WiFi Energy Power Meter Electric Wattmeter Tasmota ESPHome for Home A

Specifications Colour WhiteGreenMaterial PCFeatures 1 Physical layer protocol Physical layer use UART to TTL communication interface Baud rate is 9600 8 data bits 1 stop bit no parity 2 Application layer protocol The application layer use the Modbus RTU protocol to communicate At present it only supports function codes such as 0x03 Read Holding Register 0x04 Read Input Register 0x06 Write Single Register 0x41 Calibration 0x42 Reset energy etc 3 0x41 function code is only for internal use address can be only 0xF8 used for factory calibration and return to factory maintenance occasions after the function code to increase 16 bit password the default password is 0x37214 The address range of the slave is 0x01 0xF7 The address 0x00 is used as the broadcast address the slave does not need to reply the master The address 0xF8 is used as the general address this address can be only used in single slave environment and can be used for calibration etc operation Package Include 1 AC Single Phase Din Rail Meter1 USB Cable1 Connecting Cable