Datasheet

Uart Configure on PC
Baud Rate 9600 bps
Data Bits 8 Bits
Stop bits 1 Bit
Parity No Parity
Basic Uart Transfer Format
Start 0 Start 1 Control Data Length Data Checksum
Start 0/1 : These bytes are both 0x55.
Control : This byte is controling meter.
Data Length : The byte is the length of data.
Data : These bytes are meter transfer to PC.
Checksum : This byte is sum of all data array without carry.
Command Format List
Control Content
PC to Meter
Data Length
Meter to PC
Data Length
0x00 Read all data of meter 0 byte 52 bytes
0x11 Read Datalog Amount & Type 0 byte 3 bytes
0x12 Read Pause & Period Data Amount 0 byte 2 bytes
0x13 Read Store Data Amount 0 byte 2 bytes
0x18 Command meter to Enter Download mode 0 byte 0 byte
0x19 Command meter to Exit Download mode 0 byte 0 byte
0x1A Read Data of EEPROM 4 bytes 1 - 64 byte
0x81 Write Model Name to EEPROM 10 bytes 1 byte
0x82 Write Serial Number to EEPROM 8 bytes 1 byte