Universal Fire & Gas Detector Module

The DDM800 Detector Module designed to monitor and signal alarms from * one or two conventional 2-wire circuits * one or two 4-20mA sensors (MX4428 only). The DDM800 may be used to connect two circuits of conventional 20V detectors and interface them with an MX addressable fire alarm system. The DDM800 can be loop powered and use the VIGILANT 614 series detectors, or use an external 24Vdc supply allowing a wide range of detectors to be used – and be electrically isolated from the MX loop . In 4-20mA mode the DDM800 can support a single 4-20mA source on each circuit, operating in either current sink or current source mode.

 

Use with MX1, MX4428, 4100ESi.

Details

Part No. 577.800.006

Specifications
Operating Voltage1 20 to 40Vdc
Quiescent Current 1.5mA (LV. mode)
Loop Alarm Current 2.8mA (max.)
Ambient Temp -25°C to +70°C
Relative Humidity 10% to 95% (n/cond)
Detector Load 3mA (max per input)
Detector ELD 4k7 Ohm
External Supply2 21.9 to 29Vdc
Ext. Current/Circuit 10mA (+ Det. Load)
Ext. Alarm Current3 52mA
Dimensions (HWD) 61 x 84 x 25mm
ActivFire Listed afp-3173
FPANZ Listed VF/666

DDM800

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