| Reference | Meaning | ||
| Common: | Common values of references | ||
| Undefined archive block | Unregistered archive block | ||
| Nonexistent object | Other than archive object or nonexistent one. | ||
| Ambiguous | Ambiguous name | ||
| Waiting for value | Waiting for data loading | ||
| Out of range | Reference to the value out of archive block | ||
| D_2000|ARCH_VALUE | |||
| logical type | FALSE | Logical values | |
| TRUE | |||
| D_2000|ARCH_STATUS | |||
| Unblocked | Start of disabled condition for archiving | ||
| Blocked | End of disabled condition for archiving | ||
| Manually defined | Manually defined value | ||
| Under limit | Value under defined limit | ||
| Over limit | Value over defined limit | ||
| Ok | Value within defined limit | ||
| Archive start up | Stamp of start up archiving | ||
| Archive stop | Stamp of stop archiving | ||
| Manually cancelled, invalid | Invalid canceled value | ||
| Manually cancelled, valid | Valid canceled value | ||
| Invalid | Invalid value | ||
| Weak | Incomplete value |