Communication Protocol - F&F LE-03MW User Manual

9. Communication protocol

The meter is equipped with an RS-485 interface that supports the Modbus RTU communication
protocol.
Default communication parameters:
Modbus address
communication rate
The current communication parameters (Modbus address, baud rate) can be read from the LCD
display.
9.1. List of registers
Legend:
Table column
Register
Function
Type
R/W
Quantity
Settings
LE-03MW – user manual
1
9600 bps
The address of the registry that stores the parameter.
Dec - address in decimal form
Hex - address in hexadecimal form
Parameter name
Data recording format:
U16 - 16-bit number without character
U32 - 32-bit number without U32 character
FLOAT - floating-point number stored in ieee 754 format
Read/write:
R - read-only data
W - write-only data
R/W - read and write data
Number of registers holding the parameter
Range of parameter settings
Description
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