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Home --> Morley-IAS
MI-DCZRM
  • General
  • Feature
  • Specification
The MI-DCZRM addressable zone monitor module a zone of non-addressable devices to communicate with a Morley-IAS protocol analogue addressable system. As a result existing non-addressable zones can be integrated into a Morley-IAS protocol system. The module monitors a zone of two-wire non-addressable devices. Each MI-DCZRM uses one of 99 available module addresses on a loop. A fault signal will be transmitted to the panel in case of an open circuit or short circuit on the non-addressable zone wiring or when the external fault input is pulled low (can be used for power supply monitoring). A flashing LED indicates that the module is in communication with the control panel. The LED latches steady on alarm (subject to current limitations). The non-addressable zone can be powered from the analogue communication loop or from an external power supply. Where the non-addressable zone is powered from an external power supply, the communication loop is fully isolated from the non-addressable zone and from the power supply.
• Connection of a zone of non-addressable detectors to an analogue addressable fire system • Built in isolation allowing system installation in stages without loss of protection • Monitors open circuit and short circuit faults • TRI-Colour Status LED • Zone powered from addressable loop wiring or external 24V PSU • Remote reset of non-addressable zone • Compatible with: Most non-addressable detectors IS non-addressable detectors • Monitoring of external power supply • External fault input • CPD approval to EN54-17 and EN54-18, LPCB and VdS • DIN rail mountable, consistent with all other modules • Support for an extended power supply range as low as 18Vdc 60mA with an External PSU
Mechanical 23mm Length: 93mm Width: 83mm Weight: 110g Max Wire Gauge for Terminals: 2.5mm2 Operating Voltage Range: Electrical 18 to 28.5Vdc Max. Standby Current: 288μA maximum (conventional zone connected to external supply) LED Current Red: 2.2μA @ 24Vdc Green: 6.6μA@ 24Vdc Yellow: 8.8μA@24Vdc End of Line Resistor Value: 3.9k
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