96 User’s Manual Innomar SES Parametric Sub-bottom Profilers
96 Innomar Technologie GmbH (2020-09)
6.5 How to install and set up a motion sensor
The INNOMAR systems are equipped with a serial interface to attach a motion sensor. For the
motion sensor an external power supply is necessary. INNOMAR usually provides a power supply
together with the motion sensor.
Please make sure to use a sufficient power supply and to set-up the sensor interface correctly as
described in this section.
6.5.1 Motion Sensor Installation
The sensor has to be fixed firmly and must not vibrate. It should be placed as close as possible
to the INNOMAR SBP transducer. If that is not possible, make sure the lever arm correction of the
motion sensor is set correctly. For lever arm correction please refer to your motion sensor man-
ual. It is also important to ensure the right orientation of the motion sensor related to the trans-
ducer. Lever arm correction is also possible within the SESWIN software.
The performance of the motion sensor can be improved by providing additional information like
heading/course or speed of the ship. Therefore, some motion sensors are able to use NMEA
sentences sent by a GNSS receiver to get the necessary information. Often the VTG sentence
is used to obtain the speed of the vessel.
6.5.2 SESWIN Motion Sensor Setup
After installing the motion sensor some settings are necessary within the SESWIN software (Sys-
tem Setup – Settings – Motion Input), see section 4.11.13 on page 64.
Make sure to use the correct MS model/format and baud rate!
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