Command request
The following table describes a Modbus command request:
|
Slave Number |
Function Code |
Command block |
CRC |
|
|---|---|---|---|---|
|
Register Address |
Command Description |
|||
|
1 – 247 |
16 (W) |
5250 (up to 5374) |
The command is made of a command number and a set of parameters. See the detailed description of each command in the command list. NOTE: All the reserved parameters can be considered as any value,
e.g. 0.
|
Checking |
The following table describes a command block:
|
Register Address |
Content |
Size (Int16) |
Data (example) |
|---|---|---|---|
|
5250 |
Command Number |
1 |
2008 (Set Tariff) |
|
5251 |
(Reserved) |
1 |
0 |
|
5252 – 5374 |
Parameter |
n |
4 (Tariff = 4) NOTE: Command number
2008 supports only one parameter with the size of 1.
|
Command Result
|
Register Address |
Content |
Size (Int16) |
Data (example) |
|---|---|---|---|
|
5375 |
Requested Command Number |
1 |
2008 (Set Tariff) |
|
5376 |
Result List of Command result codes:
|
1 |
0 (Valid Operation) |