Sigma CP Sounder Controller Unit


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    Sigma CP Sounder Controller Unit

    The Sigma CP Sounder Board is compatible with all Sigma CP control panels which have operating software version V3.0 or above.

    The board provides 8 additional sounder outputs which can be configured as zoned, 2-stage or common alarm. All sounder outputs are open and short circuit monitored and any faults on the sounder outputs will be announced at the main fire alarm panel as a sounder fault.

    A class change input is provided which, when activated by a volt free contact closing, will switch all sounder outputs on.

    Up to 7 Sounder boards can be connected to a control panel and each is allocated an address from 1 to 7 using a binary coded DIL switch. Sounder boards may be connected to the Sigma CP serial bus in addition to Sigma CP ancillary boards and Sigma CP-R repeater panels.

    The total length of the data cable from the main panel to the last repeater must not exceed 1200 metres.


    • Two wire serial connection
    • 230V AC or 24V DC powered versions
    • All outputs monitored for open and short circuit faults
    • Fully monitored by main control panel
    • Up to 8 outputs with 1A available from each
    • Boxed units in enclosure to match Sigma CP control panels
    • Up to 7 sounder boards per system
    • Zoned, 2-stage or common alarm
    • Individual open and short circuit fault indicators
    • Class change input facility
    • Can be connected to serial bus with Ancillary boards and repeaters
    • Power fault input for monitoring remote power supplies

    Technical Specifications

    • Construction (Boxed): 1.2mm mild steel
    • IP Rating (Boxed): IP30
    • Finish: Epoxy powder coated
    • Colour - lid & box: BS 00 A 05 grey - fine texture
    • Supply Voltage (K04400M2): 230V AC (+10%/-15%)
    • Supply Voltage (K04000M2): 20-30V DC
    • Mains supply fuse: 1.6A 250V
    • Power supply DC rating: 24V 5.25 Amp
    • Sounder output rating: 1A per output
    • Class change input: Volt free NOC
    • Cable capacity: 2.5mm² per terminal
    • Operating temperature: -5°C to +50°C
    • Operating humidity: <95% (non condensing)


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