The figure below shows an example of a typical AutroSafe Integrated

Fire & Gas system:

 Fully integrated PowerLoop detectors are connected to the two

wire PowerLoop, no additional interfaces are required.

 Any 4-20mA devices can be connected to the system’s PowerLoop

by means of the BN-342 4-20mA interface. No additional power

supply is required, the PowerLoop will supply both the BN-342

module as well as the detector attached to it.

 Advanced Open Path Gas Detectors connected to the BN-342 4

20 mA interface provides the highest level of detection

performance. Including, but not limited to false alarm immunity,

logging and trending of analogue detector readings.

 The smoke- and heat detectors on the Al_Com loop employ the

DYFI+ technology, a dynamic filtering system which virtually

eliminates false alarms and provides the earliest possible warning

of a potential fire. A single pair of wires that provides both power to

– as well as interactive communication with – the detectors,

connects detectors, manual call points and interfaces. The Al_Com

loop also features the SelfVerify function, testing the detectors to

the calibrated set point every 24hours.

 Automatic addressing of detectors – No switch settings required.

For a detailed general description of the AutroSafe SelfVerify™

Integrated Fire and Gas System, please refer to Chapter 4.4.