DIN-Rail Zone Monitor with Isolator (55000-812)

Apollo

    • £69.67
    • (Exc. VAT: £58.06)
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    Apollo XP95 DIN-RAIL Zone Monitor with Isolator

    The DIN-Rail Zone Monitor with Isolator powers and controls a zone of up to 20 Apollo Series 65 or Orbis fire detectors in a Discovery or XP95 loop.

    Operation:

    The DIN–Rail Zone Monitor is factory preset to return an analogue value of 16 when all detectors on the zone are in the quiescent state and 64 when a detector changes to the alarm state. The unit latches in the alarm state. A 5.1k end-of-line resistor is used to monitor cables for open and short-circuit faults. Alternatively, an active end-of-line monitor may be used in conjunction with diode bases and a capacitor of up to 50uF fitted at the unit wiring terminals. In either case an analogue value of 4 is transmitted during open or short-circuit faults.

    The DIN–Rail Zone Monitor is fitted with a bi-directional short-circuit isolator and will be unaffected by loop short-circuits on either loop input or output. For IS applications use DIN-Rail IS Zone Monitor, part number 55000-798.

    Key Features

    • Loop-powered
    • Visible short-circuit and alarm
    • LEDs Built-in Isolator

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