| Functions | last level information is hold and used during the call, not affected by the sound of the call |
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| IP‑network connection | itself and its associated reverberation and CAT5e cable is sufficient for Power over Ethernet – The tracking mode is used for background |
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| and data exchange. | music. The noise level is tracked and the volume noise level data directly to the system controller. adapted. Because in this mode the ambient The system controller adjusts the output level of the noise level is ‘polluted’ by the sound from the |
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| involved amplifier channels accordingly. | PA system itself, in this mode the ambient noise audio data, the occupied network bandwidth for noise location and away from the PA- this function is minimized and there is no risk of loudspeakers to prevent volume runaway. |
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| audio eavesdropping. | • Front side LEDs show the operational status. |
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| Operation | Installation accurate omni-directional MEMS microphone. An temperature range and with a wide range of integrated DSP allows for frequency response ambient noise levels, fitting most applications and adjustments for optimum tracking of disturbing environments. noise signals and/or minimizing the influence of • A back box is included for mounting on solid |
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| non-disturbing out-of-band signals. | ceilings and walls. Cable entry from side or rear. large area; the ambient noise level information of in hollow walls or suspended ceilings. these sensors is combined. • Water resistant (IP65), with and without back box, for indoor and sheltered outdoor use. |
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| • Sealed cable gland for cable entry. | • Surface mounting on wall or on ceiling |
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| unobtrusive installation. | • For indoor use |
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| Connection and functional diagram | • Cable entry on rear or side panel |
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| • | Front cover in black or white |
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| MEMS microphone | Controller • Sealed cable entry |
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| Audio processing (DSP) | Power over Ethernet Architects’ and engineers’ specifications |
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| Front‑side indicator | The IP‑networked ambient noise sensor shall be designed exclusively for use with Bosch PRAESENSA |
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| Power on | Green systems. It shall provide an interface for control data |
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| Device in identification mode | Green blinking over OMNEO using Ethernet. It shall receive Power over Ethernet (PoE) via its network connection. The |
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| Device fault present | Yellow ambient noise sensor shall have an integrated DSP for software configurable frequency response adjustments to optimize tracking of disturbing noise signals and/or to minimize the influence of non‑disturbing out‑of‑band signals. It shall be IP65 |
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| Device reset (to factory default) | Button classified for solid particle and liquid ingress protection. The ambient noise sensor shall be certified |
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| Rear‑side interconnection | for EN 54‑16 and ISO 7240‑16, marked for CE and be compliant with the RoHS directive. Warranty shall be |
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| Network port (PoE PD) | three years minimum. The ambient noise sensor shall be a Bosch PRA-ANS. Regulatory information Emergency standard certifications |
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| Europe | EN 54‑16 (0560-CPR-182190000) |
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| Safety | EN/IEC/CSA/UL 62368‑1 |
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| Emissions | EN 55032 EN 61000‑6‑3 |
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| Environment | EN/IEC 63000 |
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| Plenum rating | UL 2043 |
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| Railway applications | EN 50121‑4 UL 62368-1 only for indoor use (UL 50E not applicable). |
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| Parts included | Supervision |
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| Quantity | Component Network interface Link presence Network interface Reliability PRA-AD608) Environmental Climatic conditions |
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| Technical specifications | Temperature, power up -5 — 55 °C (23 — 131 ºF) |
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| Electrical | Temperature, storage and transport -30 — 70 °C (-22 — 158 ºF) |
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| Microphone | Humidity 5 — 100 % |
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| Ambient noise capture range | 50 — 100 dBSPL |
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| Air pressure | 560 — 1070 hPa |
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| Frequency range | 50 Hz — 10 kHz |
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| Altitude, operating | -500 — 5000 m |
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| Frequency response, +/-2dB | 100 Hz — 5.5 kHz (-1640 — 16404 ft) |
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| Sensitivity tolerance, pink noise | < 2 dB Vibration amplitude, operating < 0.7 mm |
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| Vibration acceleration, operating | <2G |
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| Directivity | Omni‑directional |
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| Bump, transport | < 10 G |
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| Power over Ethernet | PoE IEEE 802.3af Type 1 Enclosure |
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| 功耗 | 1.6 W |
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| Dimensions device (⌀xH) | 131 x 35 mm (5.2 x 1.4 in) |
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| Nominal input voltage | 48 VDC |
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| Dimensions device with back box (⌀xH) | 131 x 71 mm (5.2 x 2.8 in) |
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| Input voltage tolerance | 37 — 57 VDC |
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| Dimensions device front cover (⌀xH) | 131 x 10 mm (5.2 x 0.4 in) |
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| Supervision | Ingress protection IP65 / NEMA 4 (with moun- |
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| Controller continuity | Watchdog ted front cover) |
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| Material enclosure | Plastic (PC/ABS - UL94‑5VA) |
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| Color enclosure | RAL9017 |
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| Color front cover | RAL9017 and RAL9003 |
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| 重量 | 0.4 kg (0.88 lb) Ordering information PRA-ANS Ambient noise sensor Network connected, PoE powered, ambient noise sensor. Order number PRA-ANS | F.01U.378.928 Services EWE-PRAANS-IW 12 mths wrty ext amb noise sen 12 months warranty extension Order number EWE-PRAANS-IW | F.01U.400.199 |
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| Europe, Middle East, Africa: | Germany: North America: Asia-Pacific: |
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| Bosch Security Systems B.V. | Bosch Sicherheitssysteme GmbH Bosch Security Systems, LLC Robert Bosch (SEA) Pte Ltd, Security Systems |
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| P.O. Box 80002 | Robert-Bosch-Ring 5 130 Perinton Parkway 11 Bishan Street 21 |
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| Phone: + 31 40 2577 284 | Tel.: +49 (0)89 6290 0 Phone: +1 800 289 0096 Phone: +65 6571 2808 |
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| www.boschsecurity.com/xc/en/contact/ | Fax:+49 (0)89 6290 1020 Fax: +1 585 223 9180 Fax: +65 6571 2699 |
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| www.boschsecurity.com | de.securitysystems@bosch.com onlinehelp@us.bosch.com www.boschsecurity.com/xc/en/contact/ |
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