Bosch launches first update of its Praesensa voice alarm and public address software

The version 1.10 of this solution allows to demonstrate the redundancy of the amplifier before commissioning, individually adjust the audio delay per output channel and control the brightness of the LCD screen and the Leds of the calling station.

Bosch has released the first update to its IP-based voice alarm and public address system, Praesensa. The version 1.10 is enhanced by controller redundancy for greater security in system operations.

This PAVA solution is EN43-16 certified and offers quality, Longevity, safety and reliability. The new update demonstrates amplifier redundancy prior to commissioning, individually adjust the audio delay per output channel and control the brightness of the LCD screen and the Leds of the calling station. In addition, the amplifier 4 channels is also available.

System controller redundancy is a typical requirement for voice alarm installations at international airports, railway/metro stations and power plants. In addition, it could also be an optional requirement at large convention centers, shopping malls and universities.

The Praesensa system concept ensures maximum security in system operations. For this concept to work at the system control level, you need at least one service controller and one redundant one to ensure all system-related functions in the voice alarm and public address solution.

The new update 1.10 Praesensa provides individually adjustable audio delay per output channel), making the system suitable for tunnels, rail platforms and airports.

The Praesensa software update 1.10 makes it possible for the system integrator to simulate a faulty amplifier channel and force the replacement amplifier channel to take over . The software will automatically switch to the backup amplifier channel and report a fault. This is displayed in both the log viewer and the call station's graphical user interface.

In addition, now it is also possible to control the brightness of the LCD screen of the call station, the luminous rings and all the fault and status LEDs, through an up/down setting on the call station extension keyboard. There are four levels designed for conditions ranging from daylight to full darkness.

Moreover, Praesensa has received DNV-type approval (Det Norske Veritas) to meet the specified cruise requirements, boats and oil rigs.

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