Kongsberg K-Sync, Руководство по установке

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Assuming an average sound velocity of about 1450 m/s through the water column, the
total return trip travel time of a single ping is about 18 seconds. So after about 18 seconds,
“Ready to transmit” signal would normally become available again. Entering an exact
return trip value is not recommended. For any one sonar and system there may be other
factors like system latency that will effect the ping cycle of the systems. Make sure to test
the calculations with the sonar in question to confirm that the system has the expected
ping rate vs depth. Then enter a value that reflects the maximum slant range expected for
the survey and then add some seconds to allow for delays and changes in topography.
Why does the system disable the sonar?
Disabling the sonar removes it from the trigger schedule and thus stops it from hindering
the triggering of the groups after it in the trigger group schedule.
Determine which signals need to be
interfaced and their characteristics
Context
Note
The echo sounders must be powerless during cable connection.
Multiple hydroacoustic systems operating simultaneously on the same vessel may cause
interference. In order to minimize this interference, the K-Sync Unit system can be used.
All echo sounders that will be synchronized are required to have at least a trigger input
signals in order to be controlled by K-Sync.
TTL and RS-232 level signals are supported. Other signal levels are not yet supported.
Procedure
1 Use the information available in the manufacturer’s product documentation to
complete the table below. This information is required for connecting the cables
to the K-Sync I/O modules and for configuration of the software. Items that are
uncertain should be left blank.
Refer to Logic states and their corresponding voltage levels for definitions.
A copy of the table below has been completed for the Kongsberg echo sounders.
Refer to
Table 4 Trigger interface overview (KM), page 39
2 Keep a copy of the table with the final setup with the ship’s records for future
reference. Refer to
Signal interface overview, page 41
KONGSBERG K-Sync Installation manual