LDM32

The NOTIFIER LDM-32 is a lamp driver module designed for use with custom graphic annunciators in ONYX Series fire alarm control panels like NFS2-3030, NFS2-640, and NFS-320.
It provides 32 LED/lamp driver outputs that sink current on activation, with configurable modes for 32 alarms, or 16 alarms + 16 troubles + 16 switch inputs, plus system trouble indication and local piezo sounder.
Key Specifications
Feature
Specification
Outputs
32 alarm lamps/LEDs (sink to common); configurable 16 alarm/trouble + switches ​
Communication
EIA-485 serial (up to 6,000 ft from panel, 32 modules max) ​
Power
24 VDC (panel or remote supply) ​
Inputs
Local lamp test/acknowledge switch; up to 16 remote switches ​
LEDs
Green ONLINE (flashing communication); piezo for alarms/troubles ​
Mounting
CHS-4L chassis or custom backbox (4.4"H x 7.1"W) ​
Compatibility
NFS2-3030, NFS2-640, NFS-320, older Fire-Lite panels