Description
The Edwards SIGA-IO is an input/output module designed for compatible Edwards Signature Series fire alarm systems. It provides a flexible interface between the fire alarm control panel and external equipment by supporting multiple programmable input and output operating modes.
The module uses electronic addressing, onboard processing, and configurable personality codes to simplify installation while providing dependable monitoring and control. This product is intended exclusively for commercial fire alarm installations.
Product Functions
- Monitors external initiating devices
- Controls compatible external equipment
- Supports programmable input and output operation
- Supervises connected field wiring
- Reports alarm and trouble conditions
- Provides configurable operating modes
- Supports routine inspection and testing
Electrical & System Information
The SIGA-IO communicates over the Edwards Signature signaling line circuit and requires one module address. The installed operating mode is determined by the personality code downloaded from the compatible Signature loop controller during system configuration.
The module supports configurable input monitoring, output control, alarm relay operation, and monitored output functions depending on the selected application.
Features
- Input/output interface module
- Ten selectable personality codes
- Electronic addressing
- Automatic device mapping
- Onboard microprocessor
- Adjustable response time
- Supervised input and output circuits
- Plug-in or standard mounting options
- Commercial fire alarm application
Mounting & Design
The SIGA-IO mounts in a standard 2½-inch deep single-gang electrical box or a 4-inch square electrical box with a compatible one-gang cover and mounting plate. The compact design provides convenient installation for remote interface applications throughout a facility.
Protection & Applications
Suitable for:
- Fire Door Control
- Fan Shutdown
- Elevator Recall
- HVAC Control
- Damper Monitoring
- Suppression System Interfaces
- Industrial Facilities
- Commercial Buildings
- Institutional Properties
Compatibility
Compatible with:
- Edwards Signature Series Fire Alarm Systems
- EST3 Fire Alarm Systems
- EST3X Fire Alarm Systems
- iO Series Fire Alarm Panels
- Signature Loop Controllers
- SIGA-PRO Programming Tool
- Compatible Supervised Input and Output Devices
Always verify compatibility with the installed fire alarm control panel and application requirements before installation.
Technical Specifications
Manufacturer: Edwards
Model: SIGA-IO
Product Type: Input/Output Module
Application: Commercial Fire Alarm Systems
Operating Voltage: 15.2–19.95 VDC
Typical Standby Current: 310 µA
Activated Current: 450 µA
Address Requirement: One Module Address
Relay Type: Programmable Form A or Form B
Relay Contact Rating: 24 VDC at 2 A; 120 VAC at 0.5 A
Personality Codes: 10 Selectable Modes
Operating Temperature: 32°F to 120°F (0°C to 49°C)
Operating Humidity: 0–93% RH Non-Condensing
Compatible Wire Size: 12–18 AWG
Mounting: Single-Gang or 4-Inch Square Electrical Box
Listings: UL 864, CAN/ULC-S527 (application dependent).
Applications
The Edwards SIGA-IO is designed for commercial fire alarm systems requiring supervised input and output control. Typical applications include fan shutdown, smoke control, elevator recall, fire door release, HVAC interfaces, suppression system monitoring, and other building life-safety control functions integrated with compatible Edwards Signature Series fire alarm systems.





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