| Value of bits 1...0 (decimal) | "Limit" | Description |
|---|---|---|
| 0 | Ok | Data quality unrelated to limits. |
| 1 | Low limit violation | The value has exceeded its low limit. |
| 2 | High limit violation | The value has exceeded its high limit. |
| 3 | Constant | The value cannot move, no matter what the process is doing. |