Sound idea in marine safety
An
European Safety Systems product story
Edited by the Engineeringtalk editorial team
Aug 4, 2004
To enhance its marine navigation systems, Concept Systems has added Appello voice and tone sounders and strobes, enabling warnings and safety critical alarms to be broadcast throughout a vessel.
Concept Systems is a leading supplier of advanced IT systems, solutions and services to the oil exploration and production industry.
Its Spectra integrated navigation and control system is accepted as an industry standard for 2D, 3D and 4D marine streamer operations, making Concept a world leader in the supply of real time navigation and positioning products.
To further enhance its navigation systems, Concept has now added the unique Appello voice and tone sounders and strobes from E2S (European Safety Systems), enabling warnings and safety critical alarms, previously only flagged onto the operator's workstation, to be broadcast throughout the vessel, ensuring that relevant personnel are made aware of the situation automatically.
The E2S Appello range of high performance voice and tone sounders are unique in that the voice message, up to 16s long, is stored in a CMOS device containing nonvolatile memory cells, providing zero-power storage, ensuring that the message quality does not degrade with time and that it is not lost during power outages.
The voice is stored directly into the memory in its natural form, providing high quality, solid-state reproduction.
During playback, the message can be preceded by one of nine different user-selectable tones; a visual warning is also given by a xenon strobe mounted on top of the Appello sounder.
The sounder produces up to 105dB(A) at 1m, giving an effective range of up to 60m.
A Concept Systems designed alarm control unit controls up to six sounders over standard Cat5E Ethernet cable, which provides 24V DC power on unused pairs, so no local power is required for the sounder units.
The Spectra system communicates with local alarm control units using industry-standard Modbus/TCP Ethernet protocols - each alarm control unit has a unique network IP address.
Setup, test and diagnostics of sounders is made easy using the built-in alarm control unit web browser.
The combination of alarm tone and voice message enables critical alarms to be easily differentiated from other instrument room, bridge or back deck alarms.
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