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StarFish 453OEM

System Manual

9

2.6.

Transducer Connections

The StarFish electronic circuit board is pre-

fitted with the transducer cable loom connected to “J1”. Once the

transducers have been mounted and sealed into the housing, they should be connected as shown in the diagram
below to the electronics module:

The grey cabl

es from the circuit board are labelled with “Port” and “Starboard” to indicate which transducer they

should be connected to. However, in case the labels are missing, the Starboard transducer should be connected
to the Yellow & Green wiring pair, while the Port transducer should be connected to the Red & Blue wires.

Wire

Function

Wire

Colour

Starboard

Connector Pin

Port

Connector Pin

J1

Connector Pin

Ground

Black

1

-

4

Not Used

2

-

-

Starboard

Yellow

3

-

6

Starboard Signal-

Green

4

-

5

Ground

Black

-

1

3

Not Used

-

2

-

Port

Red

-

3

1

Port Signal-

Blue

-

4

2

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Содержание Starfish 453OEM

Страница 1: ...StarFish Sidescan Sonar 453OEM System Manual ...

Страница 2: ......

Страница 3: ...e Look Like 12 4 3 Calculating Depth Below The Sonar Altitude 12 4 4 Calculating The Distance To A Target 13 4 5 Acoustic Shadows 13 4 6 Reflected Target Intensity 14 4 7 Example Side Scan Sonar Images 15 4 8 Gain Contrast Settings 16 4 9 Shallow Water Channels 16 4 10 Tips For Good Imagery 17 6 Safety 18 6 1 Electrical Safety 18 6 2 Operational Safety 18 7 Care Of Your Starfish 19 7 1 Operational...

Страница 4: ...vices and experienced side scan sonar users alike alternately an SDK is available that allows StarFish data to be captured directly into your own application Before proceeding we recommend that you read the safety installation and operation guidelines in this user guide in order to get full benefit from the features of the StarFish system We hope you get many years of trouble free use from your St...

Страница 5: ... working range Reflections from the hull may create a ghost or mirror image of the opposite channel on the sonar display Reduce vulnerability to grounding When mounting the sonar ensure there is always a point on the hull platform that is lower than the transducers location This will reduce the risk of damage to the transducer should you run aground or collide with any submerged obstacle Position ...

Страница 6: ... that they are angled 30 down from the horizontal plane as shown To ensure a waterproof connection the cable boss protruding from the rear of the transducer is fitted with two 18 0mm 2 6mm O rings These should be greased with a small amount of suitable silicone lubricant and inserted into a suitable machined hole on the mounting housing that ensures a waterproof piston seal Alternately a waterproo...

Страница 7: ...oard Mounting The StarFish electronics can be mounted onto a base plate using 4 M3 fixings that locate into the notches on the edge of the board circled in blue below The should be stood off a base plate using spacers with a minimum height of 3mm ...

Страница 8: ...rFish electronics module has a 2 1mm DC input socket labelled J3 that will accept voltages between 9V and 28V and will require a supply capable of delivering 5W Typically this means the StarFish will require just under 500mA at 12V or just under 250mA at 24V The centre pin tip of the power connector is Positive and the outside of the connector ring is Ground 2 5 USB Data Connection The PC running ...

Страница 9: ...e circuit board are labelled with Port and Starboard to indicate which transducer they should be connected to However in case the labels are missing the Starboard transducer should be connected to the Yellow Green wiring pair while the Port transducer should be connected to the Red Blue wires Wire Function Wire Colour Starboard Connector Pin Port Connector Pin J1 Connector Pin Ground Black 1 4 Not...

Страница 10: ...g that the Topside box has correctly initialised The Activity Indicator will not illuminate until the USB connection is made Scanline is running and configured correctly Start the Scanline software or your application When the software opens the data connection to the StarFish electronics and starts the sonar pinging the Activity Indicator will start to flash 3 2 Software Development Kit The StarF...

Страница 11: ...ion of the sonar known as backscatter and the travel time of the returned pulse is recorded together with its intensity As sounds travels at a known velocity of approximately 1500 metres per second through water we can directly relate the time we received an echo to the range of the target that reflected it This scan line of information is sent to a topside computer for interpretation and display ...

Страница 12: ...afloor so a safe distance can be maintained and hazards avoided Looking at the previous image we can see a large black hour glass shaped area in the middle of the display where no echoes have been received In fact this area is showing us the height the sonar is above the sea bed As the figure opposite shows the nearest object to the sonar will always be the seabed below it assuming a relatively fl...

Страница 13: ...und from the sonar hits a submerged target with any height above the seabed an acoustic shadow will be cast away from the sonar An experienced sonar operator can use the lengths of these shadows along with knowledge of the sonar altitude to get an idea of the size and height of the object To help understand this imagine you are in a darkened room with a flashlight standing above a ball If you shin...

Страница 14: ...ready know about sonar imagery into account we can interpret the following White dots without any form of shadow are most likely either flat hard targets on the bottom or large mid water fish with their air filled swim bladder showing up on the sonar At the bottom of the image we can see a bait ball of fish identifiable as large spherical structure that protrudes above the seabed profile there is ...

Страница 15: ... exposed the bedrock of the lake causing a brighter reflection The grooves are visible on the centre profile on the lakebed and the shore and slip way are visible in the top left Marina Shallow water with moored boats The bright white targets of the hulls are visible above craters in the silt caused by the movement of the mooring cables Note the large acoustic shadow on the left channel caused by ...

Страница 16: ... be reduced to 25 to enhance shadows and submerged targets The best way to understand the operation of the Gain and Contrast controls is to experiment with these values while scanning the sonar over a known area of seabed Generally having set the operational range of the sonar you should then set the gain to a level where the background noise is just visible This should ensure that quiet signals a...

Страница 17: ...at may cause shadows or reflections Be clear of any turbulence or cavitation from the hull in front of them Be clear of turbulence or aeration caused by the platforms thrusters propeller Boat Navigation When surveying an area think about the course you will steer your platform vessel Try to divide the area into a grid of long straight runs with 180 turns at the end Remember that as the sonar turns...

Страница 18: ...wer line surge may occur such as a lightning storm or if the product is not used for a prolonged period of time Ensure that the power supply has suitable earthing and electrical shock risk is minimised through the use of fusing and or residual current detection RCD devices where appropriate 6 2 Operational Safety Do not rely on the product to necessarily represent the immediate sub surface conditi...

Страница 19: ...ransducers and cables that may have been collected during its operation Additionally please observe the following precautions for cleaning and maintenance Do not clean with solvents and only use a damp cloth on the exterior of the unit Do not undertake maintenance of the unit outside the scope of that defined within this manual unless instructed to do so by Technical Support Do not insert extraneo...

Страница 20: ...the StarFish from its own dedicated supply or battery Acoustic noise This is most commonly seen as large stripes or pulses of varying brightness over the image usually with some form of regular repeating pattern Try to identify and where possible remove the source of the acoustic noise Most commonly your platform or other vessels may have an echo sounder that is running at a frequency close to the...

Страница 21: ...se provide the following information to help us with your technical support request Part and Serial Numbers of the system components These are located on the labels of each item and are in the form BPxxxxx xxxxxx Version number of the Scanline software and firmware you are using The operating system name version type 32 bit or 64 bit and service pack upgrade your computer is using Brand and model ...

Страница 22: ...s in vehicles supply voltages or from any other circumstances that may arise after delivery that is out with the control of Blueprint Note The warranty does not apply in the event where a defect has been caused by isolation incompatibilities The warranty does not cover the transportation of personnel and per diem allowances relating to any repair or replacement The warranty does not cover any dire...

Страница 23: ...rect at the time of going to press Blueprint Design Engineering Ltd cannot be held responsible for any inaccuracies or omissions If you find an error or feel we have missed important or useful information please contact us The latest version of the manual is always available to download from the website Specifications and information contained in this document are subject to change without notice ...

Страница 24: ...StarFish 453OEM System Manual 24 12 Specifications 12 1 Mechanical Drawings ...

Страница 25: ... each transducer Weight in Air 0 35kg each transducer Construction ABS Reinforced polyurethane rubber Colour Black Depth Rating 300m Electronics Module Supply Voltage 9V to 28V DC Power Consumption 6W 500mA 12VDC Power Interface 2 1mm DC jack socket PC Interface USB 2 1 B Type connector Sonar Interface 2 x Molex 43025 0400 4 way 2x2 polarised latching crimp housings using Molex 43030 0010 crimps f...

Страница 26: ...30kHz to 470kHz frequency chirp BW 40kHz Q 11 25 Plot radial range is 70dB with 5dB graticule markings VOS taken as 1475ms 1 Transducers are mechanically angled 30 down from the horizontal At centre frequencies the horizontal beam at the 3dB level is 0 54 and vertical beam is 58 2 The near field range varies between 27 19 and 29 72m during the sweep and is 28 45m at the centre frequency Horizontal...

Страница 27: ......

Страница 28: ...P N BP01006 3 UM 143 P01006 03 December 2017 Distributor ...

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