Notifier NDM-100 Dual Monitor Module

The Notifier NDM-100 is an intelligent addressable dual monitor module for FireWarden series two-wire systems that supervises two independent Style B (Class B) dry-contact initiating device circuits at two separate, consecutive addresses. It is powered directly by the SLC loop, supports normally open fire alarm and supervisory devices, and uses a single panel-controlled LED for status indication. Key Specifications: Type: Intelligent addressable dual monitor module Core Function(s): Monitors and supervises two independent dry-contact IDCs and reports their status to the panel Loop/Protocol: FireWarden SLC; LiteSpeed; direct-dial entry 01-99 on FireWarden-100-2 and 01-50 on FireWarden-50 Power: 15 to 32 VDC; 6.4 mA max (LED on); 750 uA average (LED flashing) Indicators/UI: Single panel-controlled LED that flashes during normal operation and latches steady in alarm Circuit Style: Two Style B (Class B) IDC circuits only Addressing: Automatically uses two consecutive addresses; set starting address with ones positions 0, 2, 4, 6, or 8 only Wiring Limits: 47K EOL; maximum IDC wiring resistance 1,500 ohms; maximum IDC voltage 11 V; maximum IDC current 240 uA Mounting: Mounts to a standard 4-inch square, 2.125-inch deep electrical box Compatible Accessories: SMB500 - Optional surface-mount backbox System Compatibility: Works with Notifier FireWarden intelligent control panels using LiteSpeed protocol, including FireWarden-100-2 and FireWarden-50.