The network controller has a built-in buzzer for notification of faults or emergency situations. The controller also stores a wide range of attention tones, test tones, and alarm tones, all accessible by any call stations or control inputs for announcement or alarm broadcast. Audio messages (as a set of wav files) can be downloaded from a computer via the Ethernet link. Message storage and the messages themselves are monitored. Four messages can be played simultaneously. The controller has a built-in, replaceable compact flash memory card, to match the storage requirements for audio messages. To meet the requirements for emergency sound systems, automatic messaging is included in the network controller. Nodes include equipment such as power amplifiers, audio expander units, call stations, call station kits, etc. The network controller can control up to 60 nodes. Address, version, fault events, and monitor enquiries can be done using the display and control knob. The front panel has a 2 x 16‑character LCD display and a rotary control to navigate through the menu and select the menu items. The controller can also run without a connected PC, once it has been configured.
BOSCH PRAESIDEO PC
The network controller is completely configurable from a PC using the supplied software, which can also provide the current status of the running system, as well as comfortable and efficient configuration. Three control outputs are programmable for faults or calls, and two others are used to connect visual and audible fault indicators.Ī 24 Vdc auxiliary output is available that can be used to power an external visual fault and/or emergency light tower. The controller has four analog audio line outputs each with a selectable 20 kHz monitoring signal. The line inputs provide selectable 20 kHz pilot tone detection for cable supervision. The microphone/line inputs can be used as call inputs, if they are programmed conditionally to any of the eight control inputs, which are freely programmable for system actions, with freely programmable priorities. The other two inputs are fixed as line inputs. Of these, two are selectable between microphone and line. The network controller has four analog audio inputs.
BOSCH PRAESIDEO SOFTWARE
The PRS‑NCO3 network controller needs PRS‑SW software version 4.0 or higher Functions The unit can be freestanding on a tabletop or mounted in a 19″ rack. However, the controller can use a PC to display information on the system status using the software, supplied with the unit. The controller can operate independently of the PC. The configuration can be done comfortably and efficiently via a PC. The network control unit can be configured for the most complex public address systems. Audio inputs can be announcements from call stations, background music, or local audio. The unit routes up to 28 simultaneous audio channels, delivers power to the system, reports faults, and controls the system. The network control unit is the heart of the Praesideo system.
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