Alarms Module Overview
The Alarms Module monitors and manages real-time alarm events, notifications, and audit trail information. It provides critical event alerting and stores data for compliance and future analysis.
On this Page:
Key Concepts
- *AlarmItem*: Each tag monitored by the Alarm Module with defined limits and messages
- *AlarmGroup*: Collection of AlarmItems sharing properties like acknowledgment requirements
- *AlarmArea*: Hierarchical grouping for organizational structure
- *Audit Trail*: Automatic logging of key system events and operator actions
What It Does
- Monitors real-time tag values against defined limits
- Triggers notifications via multiple channels (Display, SMS, Email)
- Stores alarm history in any configured database
- Organizes alarms in hierarchical groups and areas
- Tracks operator actions and system events for compliance
Configuration Workflow
Alarms Module Configuration Workflow | ||
|---|---|---|
Step | Action | Description |
Create AlarmItems | Select tags to monitor | Define triggers, limits, and messages |
Configure AlarmGroups | Use predefined or create custom | Set acknowledgment and logging behavior |
Define AlarmAreas | Optional organization | Create hierarchical structure |
Runtime Behavior
Monitoring and Evaluation
The module subscribes to all configured tags and evaluates alarm conditions on each value change. When conditions are met, alarms trigger according to their group settings.
Visualization and Interaction
The AlarmViewer component displays real-time and historical alarms. Users can acknowledge, filter, and manage alarms through the interface.
Features Highlights
- Real-time processing with millisecond timestamps
- Dynamic multi-language message support
- Store-and-forward archiving
- Automated hot-standby replication
- Custom notification channels
- Hierarchical alarm management