EDWARDS Intelligent Fire Alarm Systems iO1000

The iO1000 provides one Class A or Class B intelligent device loop that supports up to 250 device addresses. Loop controller
modules may be added in combination to expand total system capacity in 250-point increments to up to 1,000 device addresses. The iO1000 panel includes four NACs that may be wired for either Class Auto-programming reduces installation time
• Supports Signature Series intelligent modules and detectors
• Combines the Signature intelligent releasing module with
Signature multisensor detectors for reliable fire suppression
• Form C contacts for alarm and trouble, Form A for supervisory
• Electronic addressing with automatic device mapping
• Optional Ethernet port for diagnostics, programming and a
variety of system reports
• Two programmable switches with LEDs and custom labeling
• Supports Genesis horn silence over two wires, and UL
1971-compliant strobe synchronization
• Class B or Class A wiring
• Ground fault detection by module
• Supports up to eight serial annunciators, (LCD, LED-only, and
graphic interface)
• Can use existing wiring for most retrofit applications
• Upload/download remotely or locally
• Two-level maintenance alert reporting
• Pre-alarm and alarm verification by point
• Adjustable detector sensitivity
• 4 x 20 character backlit LCD display
• Optional earthquake hardening: seismic Importance Factor 1.5
• Standalone operation
• Alarm ON command manually activates alarm condition A or Class B operation.

  • System Capacity:
    • Loops: 1 Class A or Class B intelligent device loop standard, expandable up to 4 loops
    • Device Addresses: Supports up to 250 device addresses per loop, expandable to 1,000 total addresses with additional loop controller modules (iO-SDC1 or iO-SDC2)
    • Notification Appliance Circuits (NACs): 4 Class B NACs standard (configurable to Class A with optional SA-CLA module)
  • Operating Voltage:
    • Input Voltage: 120 VAC @ 60 Hz, 1.3 A max (standard); 230 VAC models available (e.g., iO1000G-2)
    • Loop Voltage: 19 VDC nominal, 15.2–19.95 VDC range
    • Maximum Loop Voltage: 20V peak-to-peak
  • Current Consumption:
    • Standby Current: 125 mA typical (base system, excluding devices)
    • Alarm Current: Up to 3.5 A max (shared across NACs and auxiliary power)
    • Loop Current: 250 µA (standby), 400 µA (activated) per device typical
  • Power Supply:
    • Output: 24 VDC, 3.5 A total (for NACs and auxiliary power)
    • Battery Backup: Supports sealed lead-acid batteries, 7–18 Ah capacity (depending on enclosure and standby needs)
    • Battery Charger: Built-in, supervised, 27.6 VDC charging voltage
  • Notification Appliance Circuits (NACs):
    • Output: 24 VDC, 1.5 A max per NAC (3.5 A total system limit)
    • Synchronization: Supports Genesis horn silence and UL 1971-compliant strobe synchronization
    • Wiring: Class B standard; Class A with optional SA-CLA module
  • Loop Specifications:
    • Wiring: Class B (Style 4) or Class A (Style 6/7 with SA-CLA module)
    • Maximum Loop Length: Up to 10,000 ft (3,048 m) with #18 AWG (0.75 mm²) twisted-pair, unshielded
    • Compatibility: Edwards Signature Series intelligent detectors and modules
  • Environmental Specifications:
    • Operating Temperature: 32°F to 120°F (0°C to 49°C)
    • Storage Temperature: -4°F to 140°F (-20°C to 60°C)
    • Humidity: 0 to 93% RH, non-condensing
  • Display and Interface:
    • Display: 4 x 20 character backlit LCD
    • Indicators: LEDs for Power (green), Alarm (red), Trouble (yellow), Supervisory (yellow), Silence (yellow)
    • Controls: Two programmable switches with LEDs and custom slide-in labels
  • Wiring:
    • Terminals: Screw terminals accepting #18 AWG (0.75 mm²) to #12 AWG (2.5 mm²)
    • Connections: Standard unshielded wiring; ideal for retrofit applications
  • Communication and Connectivity:
    • Addressing: Electronic addressing with automatic device mapping
    • Optional Modules:
      • SA-DACT: Dual-line dialer/modem (supports Contact ID, 4/2 formats)
      • SA-ETH: Ethernet port for diagnostics, programming, and reporting
      • SA-232: RS-232 serial port for printers or computers
      • iO-SDC1: Adds one 250-point loop
      • iO-SDC2: Adds two 250-point loops (500 devices total)
      • RZI16-2: Adds 16 Class B initiating device circuits (IDCs) and 2 Class B NACs
    • Annunciators: Supports up to 8 serial annunciators (LCD, LED, or graphic)
  • Physical Characteristics:
    • Dimensions: Approximately 21.5″ H x 14.5″ W x 4.25″ D (546 mm x 368 mm x 108 mm)
    • Weight: ~20 lbs (9 kg) with enclosure, without batteries
    • Enclosure: Surface-mount, red (e.g., iO1000R) or gray (e.g., iO1000G) door options
  • Certifications:
    • Listings: UL 864, ULC-S527, CSFM, FM Approved
    • Compliance: NFPA 72, ADA accessibility standards
  • Additional Features:
    • Diagnostics: Maintenance alerts, alarm verification by point, adjustable detector sensitivity
    • Programming: Front panel or laptop configuration utility
    • Retrofit Compatibility: Uses existing wiring in most cases, no shielded cable required
    • Relay Outputs: Form C contacts for Alarm and Trouble, Form A for Supervisory
    • Releasing: Supports SIG