The information herein applies to the EM , EM , EM , EM , EM A datagram format for Sonar Head depth is provided for the EM , EM. Enquire about the The Kongsberg EM Multibeam Echo Sounder online today at Unique Group, wide range of Multibeam Echo Sounders available now. The EM is a new advanced multibeam echo sounder with extremely high resolution and dynamically focused beams. It is very well suited for detailed.
|Published (Last):||9 July 2013|
|PDF File Size:||2.2 Mb|
|ePub File Size:||6.98 Mb|
|Price:||Free* [*Free Regsitration Required]|
D datagram for position of footprints C datagram to determine internal Konhsberg clock drift and offset. This means that the correct sound velocity value as obtained from the sound speed profile must be entered into the multibeam controller software.
Online When online, select the “Echosounder settings” option from the “Settings” menu to define the online blocking and filtering of the multibeam echosounder data. QPS advises however to keep this enabled. The drawing below shows a schematic overview of the acoustic center. In order to be able to test the network connection it is advised to add a line to the ‘host’ file using:.
Choose one of the “Head II” systems to decode the beam data from the second transducer. In normal mode, the driver decodes the first beams from the telegrams, while with Head II option enabled, it decodes the second beams These supersede the command line parameters. FF Hex and 7F Hex, respectively. In order to be able to test the network connection it is advised to add a line to the ‘host’ file using the following format:. The QINSy driver will restore invalid beams, by resetting all values to 0, except for quality factor and intensity, which are set to the invalid values according to the EMx manual, i.
Recommended Mode F datagram for raw ranges and angles C datagram to identify the serial number from the main head R datagram for raw bathymetry storage as of QINSy version 8 the offset from the clock telegram is no longer used for the EM X-Y-Z mode D datagram for position of footprints C datagram to determine internal EM clock drift and offset “Raw-Data” D datagram is identical to ordinary D datagram except that some variables like for example the beam depression angle are now attitude-uncompensated launching angles.
For the TPU calculation the minimum steering angle can be defined. The EM must send the following datagrams for correct decoding:.
Only use this mode if F datagrams are not available in the EM software version earlier versions. Kongsberf to the GPS Manufacturer manual to see which is the active flank.
In order to obtain valid bathymetric results, the multibeam system and QINSy need valid speed of sound information. Backscatter, or raw seabed image intensity values, are stored in the S datagram. F datagram for raw ranges and angles D datagram for sampling frequency not included in F datagram C datagram to determine internal EM konsberg drift and offset. The echosounder Stabilization is greyed out in the Database Setup because the output string already contains the information about whether the systems is stabilized or not.
Each head has beams starting with 1 at the port side fm3002 the matching transducer.
Support EM Multibeam echosounder – Kongsberg Maritime
When Enable the Water column data is decoded by the Driver. When online, select the “Echosounder settings” option from the “Settings” menu to define the online blocking and filtering of the multibeam echosounder data.
It is important that the velocity entered is at transducer face depth when picking from a profile. This is done to prevent latency related errors.
The Acoustic center is the point for which the node position must be entered into the QINSy kongxberg. If you want to decode the backscatter, see the Simrad EMx for more details.
The clock datagram is used to identify the main transducer head’s serial number and therefore the clock message must always be activated.
In order to activate the transmission, one should do the following: This pulse is half a second long so when the wrong active flank is chosen timing can be off by half a second. The Beam angles that are reported in the F telegrams are valid in the receive array and not in the acoustic center. In DbSetup for this driver some driver specific settings can be entered.
All types of multibeam systems require the sound velocity profile but systems that konggsberg beam steering, usually systems with a flat array transducer, require the sound velocity at the head for the beam angle correction beam steering too. This echosounder uses pitch compensation and therefore it requires the serial input of an attitude sensor EM binary format.
F datagram for raw ranges and angles C datagram to identify the serial number from the main head R datagram for raw bathymetry storage as of QINSy version 8 the offset from the clock telegram is no longer used for the EM Driver will stop updating if no C clock datagrams are received for more than 30 seconds.
See description in Database Setup, except that the present QINSy driver is only meant for datagrams broadcast over a network, so instead of entering serial port parameters, the konbsberg number has to be entered.
By default this option is enabled but it can kongssberg disabled if necessary through the registry key: The letters following the port number are an indication of the datagrams, which are to be output on this port. An EMD system must be configured in Database Setup as two single EM Multibeam systems that have a node position and unique mounting kkongsberg per transducer. Only the beam numbers are different. The IP-address and port number are for jongsberg machine to which these datagrams are to be sent.
The EM manuals will mention the acoustic center to be in the geometric center of the transducer face but this is not exactly true: