Microcontroller-Based Fault Annunciator System

Microcontroller-Based Fault Annunciator System

Technical Specifications:

  • Supply Voltage:
    • 18 – 90 VDC
    • 88 – 285V AC / DC
  • Power Consumption: Less than 0.5W per window
  • Response Time: 10 / 50 / 100 / 250 ms (Selectable)
  • Flash Rate:
    • 100 flashes/min (Fast)
    • 50 flashes/min (Slow)
  • Fault Input Contacts: Potential-free NO/NC contacts for fault sensing
  • External Push Buttons: Terminal connectors provided for external push-button integration
  • Audible Output: Potential-free relay contact terminals for external alarm connection
  • Relay Contact Rating: 5 Amps at 230V AC
  • Maximum Operating Temperature: 60°C
  • Window Size: Refer to the manual
  • Viewing Area: Refer to the manual
  • Legends/Inscriptions: Photo-positive/negative film

Salient Features:

  • Microcontroller-based logic for high reliability
  • Built-in watchdog design ensures fail-safe operation
  • Facia windows with long-life super bright white LEDs
  • Easily replaceable window legends/inscriptions
  • Wide input supply range (18 – 90 VDC / 88 – 285V AC / DC)
  • Test function does not affect the status of detected faults
  • Momentary fault detection even during push-button operation or system tests
  • Comprehensive system hardware check through test functions
  • Trip (Red) or Non-trip (Yellow) color options for each window

Site Selectable Features:

  • Three operating sequences
  • NO / NC fault contact selection for each window
  • Group 1 or Group 2 audible alarm selection for each window

Optional Features:

  • RS-485 Communication port with MODBUS protocol
  • First Up (F1, F2, F3) operating sequence