Register list column description
Address |
A 16-bit register address in hexadecimal. The address is the data used in the Modbus frame. |
Register |
A 16-bit register number in decimal (register = address + 1) |
Action |
R = Read only register W = Write only register RW = Read Write register RWC = Read register, write through Command register |
Size |
Data size in number of registers |
Type |
Data type |
Units |
Unit of the register value |
Description |
Information about the register and the range and values that apply |
The Modbus register list data types are as follows:
Type | Description | Range |
---|---|---|
UInt16 |
16 bit unsigned integer |
0 to 65535 |
UInt32 |
32 bit unsigned integer |
0 to 4294967295 |
Int64 |
64 bit signed integer |
−9223372036854775808 to +9223372036854775807 |
UTF8 |
8 bit field |
Multibyte character encoding for Unicode |
Float32 |
IEEE 754-1985 single precision floating-point value |
-3.4E38 to +3.4E38 |
4Q FP PF |
Four quadrant floating point power factor |
-2 to +2 |
Bitmap |
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