This includes alarms associated with unexpected device functions, such as shutdowns, restarts, failures, or configuration changes
| Name | Channel |
|---|---|
| alarmserver:ApplicationLog | alarm suppression Application Programming Interface (API) call logged without operator session identifier (ID) |
| alarmserver:ApplicationLog | alarm class disabled or suppressed Application Programming Interface (API) event logged without operator_id field populated |
| device:VendorLog | measured scan cycle time or interrupt response latency deviates from baseline cycle time by more than cycle timing deviation threshold following a task configuration change |
| device:VendorLog | measurable change in scan cycle timing or Input/Output (I/O) update pattern following a flagged program write |
| Operational Databases | None |
| operationaldb:AlarmEvent | device reboot/restart alarm within firmware update window of the flagged transfer session |
| operationaldb:AlarmEvent | device reboot within firmware update window of the flagged transfer session |
| operationaldb:AlarmEvent | device receives commands from two distinct master identities within a short window |
| operationaldb:AlarmEvent | device_ip transitions to PROGRAM/STOP mode without operator_ack and without corresponding open change ticket reference |
| operationaldb:AlarmEvent | device mode-change alarm generated without corresponding operator_id entry within mode change ack window |
| operationaldb:AlarmEvent | alarm threshold configuration changed without operator_ack or change ticket reference |
| operationaldb:AlarmEvent | more than one device generates restart/offline alarm within bulk restart time window without open maintenance ticket |
| operationaldb:AlarmEvent | device_ip alarm telemetry goes silent within alarm silence grace period of the mode-activation message without operator acknowledgment |
| operationaldb:AlarmEvent | device offline alarm coinciding with switch port admin-down syslog for that port |
| processsensor:RedundantComparison | device-reported value for a tag diverges from independently measured value for same physical quantity by more than sensor tolerance threshold |