Change Tracking of the Sensor Configuration Settings (0Fh)
The command allows to download the entire memory space containing the configuration change records for Omnicomm LLS 4 sensor. The records format is given in the table. Only the first 5 records are fixed in the Rom, other are rewritten according to the the circular buffer rule. the remaining elements can be overwritten according to the circular buffer rule.
Command format:
| Offset, bytes | Field size, bytes | Value | Description |
|---|---|---|---|
| 0 | 1 | 31h | Prefix |
| +1 | 1 | 00h…FFh | The network address of the recipient |
| +2 | 1 | 0Fh | Operation code |
| +3 | 1 | 00h…FFh | Checksum |
Response format:
| Offset, bytes | Field size, bytes | Value | Description |
|---|---|---|---|
| 0 | 1 | 3Eh | Prefix |
| +1 | 1 | 00h…FFh | The network address of the recipient |
| +2 | 1 | 0Fh | Operation code |
| +3 | 2 | 00h…FFFFh | The number of data bytes transmitted after the header (length) |
| +5 | length | 00h…FFh | Data |
| +5+length | 1 | 00h…FFh | Checksum |
Log record format:
| Offset, bytes | Field size, bytes | Value | Description |
|---|---|---|---|
| 0 | 4 | 0h…FFFFFFFFh | Sequential number of the record |
| +4 | 2 | 0 | The network address change |
| 1 | Exchange rate change | ||
| 2 | Nmin minimum value change | ||
| 3 | Nmax maximum value change | ||
| 4 | Filter length change | ||
| 5 | Automatic output mode change | ||
| 6 | Data output interval change | ||
| 7 | CNT 1 change — empty | ||
| 8 | CNT2 change — full | ||
| 0Аh | Programming the sensor | ||
| +6 | 4 | 0h…FFFFFFFFh | Configuration change time (unix time) |
| +10 | 4 | 0h…FFFFFFFFh | New parameter value |
| +14 | 1 | 00h…FFh | Checksum |
Format of response to an error:
| Offset, bytes | Field size, bytes | Value | Description |
|---|---|---|---|
| 0 | 1 | 3Eh | Prefix |
| +1 | 1 | 00h…FFh | The Network address of the sender |
| +2 | 1 | 0Fh | Operation code |
| +3 | 1 | 01h | The command cannot be executed |
| +4 | 1 | 00h…FFh | Checksum |
