Apollo XP95 Sounder VAD Base DIN-Tone with Isolator - 45681-707APO

SKU
45681-707APO
£79.76 £66.47
Apollo XP95 Sounder VAD Detector Base DIN-Tone with Isolator - 45681-707APO
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The XP95 Sounder VAD Base is a loop-powered sounder and EN 54-23 approved VAD combined with a standard intelligent mounting base. It is used to signal a fire alarm in enclosed areas.

Electrical Description

The Sounder VAD Base is loop-powered so needs no external power supply. It operates at 17–28V DC and is polarity-sensitive.

Mechanical Construction

The Sounder VAD Base is moulded in polycarbonate and has stainless steel contacts that accept solid or stranded cables of up to 2.5mm².

Device Addressing

The XP95 Sounder VAD Base responds to its own individual address set with a DIL switch. It also responds both to a group address, set by means of a 4-segment DIL switch and to a synchronisation address which is embedded in the unit.

Addresses 1 to 111 are used exclusively for individual addresses; addresses 112 to 126 are used for group addressing. Any Sounder VAD Bases on a loop may be freely assigned to a group. The address for any group must be chosen from the range 112–126.

Addresses 112–126 may be used as individual addresses but only if the 4-segment DIL switch is not used ie, group addressing is disabled.

If the 4-segment DIL switch were set to any number other than the default 127, a pre-set analogue value of 4 would be transmitted to indicate a fault.

The XP95 Sounder VAD Bases are normally polled by the individual address. If more than one Sounder VAD Base is activated it is possible for the sounders to be synchronised with each other.

Group Addressing

It may be desirable, in alarm conditions, to switch more than one Sounder VAD Base simultaneously. To enable this, devices may be controlled as a group and given a group address which is common to all Sounder VAD Bases in the group. When a device recognises its group address, it will process the output bits but it will not return any data to the control panel on that address. If it is required to confirm the status of the outputs of devices under group address control, it is necessary to interrogate all devices in the group at their individual addresses.

Backward Compatability

The Sounder VAD Bases will operate only with compatible control equipment using the Apollo XP95 or Discovery protocol. The features of the Sounder VAD Base are available only when it is connected to a control panel with the appropriate software.

Self Test Feature

An important safety feature has been incorporated into the Sounder VAD Bases: when it is switched on it tests itself by checking the actual sound output and flash operation. If no sound is detected within 5 seconds of the Sounder VAD Bases being switched on it will transmit an analogue value of 1 (= sounder fault) when it is next polled. If no current is drawn by the LEDs an analogue value of 2 (= VAD fault) is transmitted. If neither element is operating an analogue value of 3 (= Sounder and VAD fault) is transmitted on the next polling.  

This feature can also be used during commissioning or periodical maintenance testing. Simply activate the Sounder VAD for at least 5 seconds and check the control panel for a fault signal. If none is received, the Sounder VAD Base is working properly.

Synchronisation

It is possible to synchronise the sound and flash outputs of all Sounder VAD Bases connected to a loop. Other alarm devices, including the 100dB Sounder, the Integrated Base Sounder, the Intelligent Base Sounder, the Sounder Control Unit and the loop-powered VAD, may also be synchronised. 

 This method of synchronisation depends on the design and configuration of the control panel. Further information should be sought from the manufacturer of the panel.

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Key Features
> EN 54-23 Certified Category O VAD
> 0.5Hz Flash Rate (white)
> Synchronisation of ‘alert’ and ‘evacuate’ tones
> Synchronisation of visual indicator flash
> Individual and group addressing
> Unique acoustic and VAD self-test
> Built-in isolator
> EN 54-3 Certified Sounder
More Information
ManufacturerApollo Fire Detectors
MPN45681-707APO
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Apollo XP95 Sounder VAD Base DIN-Tone with Isolator - 45681-707APO