Editorial Technical Reference

Alarm Database

This page explains how Alarm Database is classified within Repair and Installation of Machinery and Equipment. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

A structured data repository that stores, organizes, and manages alarm information within an industrial control system.

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Product Specifications

Technical details and manufacturing context for Alarm Database

Definition
The Alarm Database is a core component of an Alarm Management System, designed to systematically store and manage all alarm-related data in industrial environments. It holds alarm configurations, historical alarm events, alarm priorities, acknowledgment statuses, and associated metadata. This database serves as the central reference for alarm processing, reporting, and analysis across a facility, enabling operators and engineers to access both real-time and historical alarm information. The database receives real-time alarm signals from various sensors and control systems, timestamps and categorizes them according to predefined rules, and stores them in structured tables with relationships to equipment, processes, and personnel. It provides query interfaces for operators, engineers, and management systems to retrieve current and historical alarm data. Key parameters include a data capacity of 10,000 to 100,000 alarm records, alarm resolution of 1 ms, time synchronization accuracy of ±1 ms per IEEE 1588, operating temperature range of -40 to 85 °C per IEC 60068-2-1/2, humidity range of 5 to 95% RH per IEC 60068-2-78, ingress protection of IP54 to IP65 per IEC 60529, supply voltage of 24 V DC ±10% per IEC 61131-2, power consumption of 10 to 30 W, data retention of 10 years without power, communication interface of 10/100 Mbps Ethernet per IEEE 802.3, alarm input channels of 8 to 64, and weight of 2 to 5 kg. These values are typical ranges and must be verified for the specific model and application. The database is intended for use in repair and installation of machinery and equipment, and it is a component-level product. Always confirm model-specific specifications and standards with the legal manufacturer or supplier.
Working Principle
The Alarm Database operates by receiving real-time alarm signals from sensors and control systems. Each signal is timestamped and categorized according to predefined rules, then stored in structured tables that link to equipment, processes, and personnel. The database provides query interfaces for operators, engineers, and management systems to access current and historical alarm data. It supports alarm processing, reporting, and analysis, ensuring that alarm information is organized and retrievable. The system uses a relational structure to maintain data integrity and supports time synchronization for accurate event ordering. The database is designed for continuous operation within specified environmental and electrical limits, and it retains data for up to 10 years without power. It communicates via Ethernet and can handle multiple alarm input channels. The working principle ensures that alarm data is consistently captured, stored, and made available for operational decision-making.
Common Materials
Database software, Storage hardware
Technical Parameters
ParameterTypical rangeNotes & selection driver
Data Capacity10000–100000 recordsNumber of alarm records storable
Alarm Resolution1 msTime stamp granularity
Time Synchronization Accuracy±1 msFor event orderingIEEE 1588
Operating Temperature-40–85 °CStorage and operationIEC 60068-2-1/2
Humidity Range5–95 % RHNon-condensingIEC 60068-2-78
Ingress ProtectionIP54–IP65For cabinet installationIEC 60529
Supply Voltage24 ±10% V DCWide-range input optionalIEC 61131-2
Power Consumption10–30 WTypical, depending on configuration
Data Retention10 yearsWithout power, using battery or flash
Communication Interface10/100 MbpsEthernet, redundant optionalIEEE 802.3
Alarm Input Channels8–64Digital or analog, configurable
Weight2–5 kgDepending on model

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM
  • Alarm Configuration Tables Part
    Stores predefined alarm settings, thresholds, and priorities for each monitored point
    Material: database tables
  • Alarm Event Log Part
    Records timestamped alarm occurrences, acknowledgments, and clearances
    Material: database tables
  • Database Management Interface Part
    Provides tools for administrators to configure, backup, and maintain the alarm database
    Material: software module
  • Query Interface
    How operators and upstream systems actually get current and historical alarms out.
    Material: software

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Alarm Management System
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: N/A (software product)
other spec: Database size: Up to 1 million alarm events, Query response time: <2 seconds for 95% of queries, Concurrent users: Up to 50 simultaneous connections
temperature: 0°C to 50°C (operating), -20°C to 70°C (storage)
Media Compatibility
✓ Industrial control systems (DCS/SCADA) ✓ Process manufacturing environments ✓ Critical infrastructure monitoring systems
Unsuitable: Standalone consumer applications without industrial control interfaces
Sizing Data Required
  • Maximum number of alarm points in the system
  • Historical data retention period (days/years)
  • Required query performance and concurrent user count

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Sensor Drift
Cause: Environmental contamination, thermal cycling, or aging electronic components leading to inaccurate readings
Communication Failure
Cause: Network interface degradation, protocol mismatches, or electromagnetic interference disrupting data transmission
Maintenance Indicators
  • Persistent false alarms or alarm flooding indicating sensor/processing malfunction
  • Intermittent data gaps or communication timeouts visible in alarm logs
Engineering Tips
  • Implement regular calibration cycles and environmental sealing for sensors to prevent drift
  • Use redundant communication paths and shielded cabling to ensure reliable alarm transmission

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
ANSI/UL 217 Standard for Smoke Alarms CE Marking (EU Directive 2014/35/EU)

Quoted from the published standard.

Manufacturing Precision
  • Sound Output: +/- 1 dB at 3 meters
  • Response Time: +/- 0.5 seconds to alarm threshold
Quality Inspection
  • Environmental Stress Testing (Temperature/Humidity)
  • Electrical Safety and EMC Testing

Manufacturers of Alarm Database

Manufacturer profiles associated with Alarm Database.

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Frequently Asked Questions

What is the typical data capacity of an Alarm Database?

The typical data capacity ranges from 10,000 to 100,000 alarm records, depending on the model and configuration. Verify the exact capacity for your specific unit with the manufacturer.

What communication interfaces does the Alarm Database support?

It supports 10/100 Mbps Ethernet per IEEE 802.3, with optional redundancy. Confirm the available interfaces for your model.

What are the environmental operating limits?

The operating temperature range is -40 to 85 °C, and humidity is 5 to 95% RH (non-condensing). Ingress protection is IP54 to IP65. These are typical ranges; check the datasheet for your specific model.

How long is data retained without power?

Data retention is up to 10 years without power, using battery or flash storage. This is a typical value and should be confirmed for your configuration.
Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification
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