Description
Honeywell FMM-1 Monitor Module Overview
The Honeywell FMM-1 is a single-address monitor module designed for use with compatible fire alarm control panels. It supervises a two-wire initiating device circuit (IDC), allowing the panel to monitor conventional detection devices and contact-type initiating devices. Built for reliable performance in demanding life safety applications, the FMM-1 delivers precise supervision with clearly defined electrical parameters.
Key Specifications
- Operating Voltage: 15–32 Vdc
- End-of-Line (EOL) Resistance: 47K Ohms
- Maximum IDC Wiring Resistance: 1,500 Ohms
- Operating Temperature Range: 32°F to 120°F (0°C to 49°C)
- Humidity Range: 10–93% Non-Condensing
Features & Benefits
- Single-address monitor module for addressable fire alarm systems
- Supervises conventional two-wire initiating device circuits
- Wide operating voltage range (15–32 Vdc) for flexible system integration
- 47K Ohm EOL resistance for accurate circuit supervision
- Supports up to 1,500 Ohms of IDC wiring resistance, accommodating longer wiring runs
- Rated for 10–93% non-condensing humidity, suitable for a variety of indoor environments
- Compact design for easy installation in standard electrical boxes
Typical Applications
- Commercial and industrial fire alarm systems
- Monitoring of pull stations, heat detectors, and other conventional initiating devices
- Integration of conventional zones into addressable fire alarm control panels
- Building automation and life safety monitoring applications









