Cooper 9448 Manual de servicio descargar pdf (Pagina 7)

496236 Issue 4 5

1. Introduction

bell or siren fitted in a tamper proof housing with the strobe warning light fitted

to the casing. A control module fitted within the casing contains a recharge-

able battery which will continue to ring the bell/siren if the wiring is cut or the

casing is tampered with. This type of module is used to power a sounder or

bell which will typically draw no more than 450mA. Opening the bell tamper

switch or damaging the wiring will cause a Full Alarm to occur. The trigger

provided by the panel is negative applied in alarm condition (SAB).

The control panel uses an internal loudspeaker to give Entry, Exit and Alarm

tones. There is a volume adjuster within the panel which allows you to change

the volume of the Entry/Exit tones. An external 16 ohm loudspeaker (for

example a Type 9040) can also be connected to the panel.

The Installer can program the panel to sound the alarm for one of several set

times and then fall silent.

Re-Arm

The Installer can program the control panel to rearm itself after an alarm. With

this option selected, the panel silences the alarm at the end of its programmed

time and rearms ready for another activation. If the option is not selected, the

internal and external sounders will remain silent until the user enters their

access code. The panel can be programmed to rearm up to three times.

First to Alarm Indication and Shock Sensor Reset

The panel provides a Programmable Output (O/P) which can be used for

PIR Set Latch or Shock Sensor Reset.

If two or more PIR detectors are fitted to a zone then the panel cannot identify

which unit caused an alarm. Connecting O/P to the Latch input of the detec-

tors on the zone overcomes this problem. When O/P is programmed as PIR

Set Latch the panel activates the output when the exit time expires, resetting

the detectors. When an alarm occurs the panel deactivates the output. This

latches the indicator of the unit triggered and inhibits all other units. The first

detector to alarm will then have its activity LED glowing, while the others will be

dark. This output can also be used for break glass detectors. (Note that the

panel also deactivates the output when the system is unset.)

Stand-alone shock sensors normally latch when they are triggered. To reset

the detectors automatically, connect the negative supply from the detectors to

O/P and program O/P as Shock Sensor Reset. At the start of the exit time the

panel deactivates the output for six seconds to clear the latched devices.

(Refer to the sensor manufacturer's instructions for more details on the reset

methods available.)

Communicator Outputs

The panel provides two output pins which can be used to trigger a Speech or

Digital Communicator. One pin is fixed as PA and the other as Intruder. The

pins are normally +12V when quiescent, changing to 0V in alarm (positive

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Cooper 9448 Manual de servicio Pagina 7

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