The following Internal Indication bits are defined by the DNP3 protocol.
| Internal Indication Bits | ||
|---|---|---|
| Object Number | 80 | |
| Request Function Codes supported: | 1 (read), 2 (write) | |
| Default Variation reported when variation 0 requested | ||
| Point Index | Description and Conditions | Writeable? |
| 0 | IIN1-0 All Stations – set after a broadcast message (any message 0 using a destination address of 0xfff0 or above) has been received. Does not indicate an error condition. |
No |
| 1 | IIN1-1 Class 1 event data available. Can be set at any time and does not indicate an error condition. | No |
| 2 | IIN1-2 Class 2 event data available. Can be set at any time and does not indicate an error condition. | No |
| 3 | IIN1-3 Class 3 event data available. Can be set at any time and does not indicate an error condition. | No |
| 4 | IIN1-4 Time synchronization required. Can be set at any time and does not indicate an error condition. | No |
| 5 | IIN1-5 Local mode. Set if some points are uncontrollable via DNP. | No |
| 6 | IIN1-6 Device Trouble. | No |
| 7 | IIN1-7 Device restart. Set only under specific conditions. Does not indicate an error condition. | Yes |
| 8 | IIN2-0 Function Unknown. Generally means that the function code (octet 2 of the request header) cannot be processed. | No |
| 9 | IIN2-1 Object Unknown. Generally means that the function code could be processed but the object group / variation could not be processed. | No |
| 10 | IIN2-2 Parameter Error. Generally indicates that both the function 10 code and object group / variation could be processed but that the qualifier / range field is in error. | No |
| 11 | IIN2-3 Buffer Overflow. Indicates that an event buffer has over- flowed, and that change events, of at least one type, have been lost. | No |
| 12 | IIN2-4 Already Executing. | No |
| 13 | IIN2-5 Bad configuration. | No |
| 14 | IIN2-6 Reserved. Always 0. | No |
| 15 | IIN2-7 Reserved. Always 0. | No |
| - | future | - |
Last modified:
25 October 2023