Data Retrieval System supports multiple ADCP access.January 31, 2012 -
Supporting up to 255 modems with up to 5 ADCPs connected to each, S2C/2/ADCP v2.0 features optimized data delivery protocol for downloading files over hydro-acoustic channel that maximizes speed of file transfers. If acoustic connection breaks during file download, retrieval procedure does not have to start from beginning. Custom PC client-software enables remote ADCP selection, downloading files from ADCP data storage, and running scripts over acoustic link.
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Original Press release
EvoLogics GmbH
Ackerstrasse 76
Berlin, , D-13355
Germany
EvoLogics GmbH Optimizes Multiple ADCP Access with the New S2C/2/ADCP Version 2.0 System
EvoLogics GmbH, a leading provider of innovative solutions for underwater communication, upgrades its S2C/2/ADCP multiple access system to Version 2.0, adding important features that optimize data retrieval from multiple ADCP instruments.
In fall 2010 EvoLogics GmbH came up with a space saving and energy-efficient data retrieval system - the S2C/2/ADCP, where a single interface of the top-side EvoLogics S2C (Sweep Spread Carrier) acoustic modem provides access to two ADCPs, connected to another EvoLogics S2C acoustic modem on a surface buoy. The system allows addressing each ADCP individually to request status information or initiate a data download.
Relying on the novel S2C technology, this communication system was installed and tested by the IOCAS (Institute Of Oceanology, Chinese Academy Of Sciences) team during their West Pacific cruise in late 2010. ADCP data, collected over a 10-day period, was successfully downloaded from each instrument.
EvoLogics collected and analysed feedback information from the system's field tests. A few improvements were found to make the system significantly more flexible.
EvoLogics GmbH is now proud to announce the upgraded version of the ''1-modem-multiple-sensors'' system - the S2C/2/ADCP Version 2.0.
EvoLogics experts designed a new, custom protocol for retrieving ADCP data. S2C/2/ADCP Version 2.0 now features an optimized data delivery protocol for downloading files over the hydro-acoustic channel that increases both speed and reliability of file transfers.
An important feature of resuming interrupted file downloads was added to the system's functionality. When operating in harsh underwater conditions, acoustic connection might break - the retrieval procedure now does not have to start from scratch whenever the transfer is interrupted.
Furthermore, the new protocol allows selecting individual ADCP files for download, so high-priority information can be transferred first.
The new version includes a custom PC client-software for remotely operating the ADCPs over an acoustic link. It enables remote ADCP selection, downloading files from the ADCP data storage, running scripts or manually operating the ADCP. It has a user-friendly interface and is easily modifiable.
Many applications may benefit from decreasing the number of communication devices, as accessing multiple sensors with a single pair of underwater acoustic modems saves both energy and space.
An S2C/2/ADCP Version 2.0 network can contain up to 255 modems, up to 5 ADCPs connected to each.
EvoLogics S2C/2/ADCP Version 2.0 thus meets the industry need for a flexible yet efficient data retrieval system that offers various data management options.
EvoLogics GmbH is a high-tech enterprise, specializing in underwater acoustic communications, acoustic positioning equipment and innovative solutions for robotics.
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