Function list
|
Function code |
Function name |
|
|---|---|---|
|
Decimal |
Hexadecimal |
|
|
3 |
0x03 |
Read Holding Registers |
|
16 |
0x10 |
Write Multiple Registers |
|
43/14 |
0x2B/0x0E |
Read Device Identification |
|
20 |
0X14 |
Read File Record |
For example:
-
To read different parameters from the meter, use function 3 (Read).
-
To change the tariff, use function 16 (Write) to send a command to the meter.
To read the information about flex logs, you can use additional Modbus registers.
|
To read Flex log information |
||
|---|---|---|
|
Function code |
1 Byte |
0x14 |
|
Byte Count |
1 Byte |
0x07 to 0xF5 bytes |
|
Sub-Req. x, Reference Type |
1 Byte |
6 |
|
Sub-Req. x, File Number |
2 Bytes |
0x0001 |
|
Sub-Req. x, Record Number |
2 Bytes |
Register (45408) |
|
Sub-Req. x, Record Length |
2 Bytes |
Register (45407) |