Cooper Security 9752 Przewodnik Instalacji Pobierz pdf (Strona 7)

9752 Installation Guide 1. Introduction

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Elements of the IAS

An IAS comprises a control unit in a shielded case, with 1 to 4 separate

keypads and various detectors, transmitters and other devices connected to

programmable zones. If required, a keyswitch can be connected to a zone.

Each control unit has zone connectors on its printed circuit board (PCB).

Separate expanders enable more zones to be connected: each hardwired

expander adds up to 8 wired zones and each radio expander adds up to 8 or

16 wirefree zones (depending on the model used).

The control unit has 8 zones as standard, expandable to a maximum of 32.

Figure 1 shows how these elements are connected. In this example, the

control unit (14) is directly connected to 6 detectors and 2 door contacts.

Further zones are then connected to it through a hardwired expander (9) and

a radio expander (4). There are 4 keypads (7 and 11) on the bus.

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Cooper Security 9752 Przewodnik Instalacji Strona 7