Impact Subsea ISS360 Manuel utilisateur
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Impact Subsea Ltd, Company Number: SC498003, Registered in Scotland, Registered
Office: Unit 10, Castle Street, Castle Road Industrial Estate, Ellon, AB41 9FR, UK
W. www.impactsubsea.com
ISS360
Imaging Sonar
Installation & Operation Manual
Revision Number:
1.6
Date
6th October 2020
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INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com
Document No: 0000.1991 | Version No: 1.6 | 6th October 2020 2
Contents
1.0 Introduction................................................................................................................................................. 4
2.0 Specification ................................................................................................................................................ 5
2.1 Overview ................................................................................................................................................. 5
2.2 Dimensions.............................................................................................................................................. 5
2.3 Acoustic, Heading & Attitude.................................................................................................................. 6
2.4 Communication, Power & Physical.......................................................................................................... 6
3.0 Installation................................................................................................................................................... 7
3.1 Electrical Installation ............................................................................................................................... 7
3.1.1 Connector Pin Out............................................................................................................................ 7
3.1.2 Power............................................................................................................................................... 8
3.1.3 Serial Interface................................................................................................................................. 8
3.1.4 RS232 Wiring.................................................................................................................................... 8
3.1.5 RS485 Wiring.................................................................................................................................... 9
3.1.6 Ethernet Wiring................................................................................................................................ 9
3.1.7 Establishing Communications........................................................................................................ 10
3.1.8 Connector Mating.......................................................................................................................... 10
3.1.9 Connector Cleaning........................................................................................................................ 10
3.2 Installation Location.............................................................................................................................. 11
3.2.1 Acoustics (Image Performance) ..................................................................................................... 11
3.2.2 Alignment with Vehicle.................................................................................................................. 12
3.2.3 Magnetic Disturbers (Heading Performance)................................................................................ 12
3.3 Mounting............................................................................................................................................... 13
4.0 Operation................................................................................................................................................... 14
4.1 Use with seaView Software................................................................................................................... 14
4.1.1 Initial Connection........................................................................................................................... 15
4.1.2 ISS360 Sonar Application ............................................................................................................... 16
4.1.3 ISS360 Operational Settings........................................................................................................... 19
4.1.4 ISS360 Sensor Settings................................................................................................................... 21
4.1.6 Other Settings & Logging ............................................................................................................... 24
4.1.7 Hot Keys......................................................................................................................................... 25
5.0 Maintenance & Servicing........................................................................................................................... 26
6.0 Theory of Operation .................................................................................................................................. 27
6.1 Sonar – Basic Principles......................................................................................................................... 27
6.2 The Sonar Equation ............................................................................................................................... 29
6.2.1 Source Level (SL) ............................................................................................................................ 29
6.2.2 Transmission Loss (TL).................................................................................................................... 30
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6.2.3 Noise Level (NL) ............................................................................................................................. 30
6.2.4 Directional Index (DI)..................................................................................................................... 31
6.2.5 Detection Threshold (DT)............................................................................................................... 31
7.0 Warranty.................................................................................................................................................... 32
8.0 Technical Support ...................................................................................................................................... 33
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1.0 Introduction
The ISS360 Imaging Sonar provides excellent image clarity with a range capability of up to 90
meters / 295 feet.
The ISS360 is a new generation of imaging sonar, providing exceptionally fast scanning speeds
which were previously unseen. This allows imagery to be produced more quickly and is ideal for
obstacle avoidance, navigation and underwater target identification.
As a very compact imaging sonar, the ISS360 is an ideal navigation and obstacle avoidance sonar
for the smallest to the largest underwater vehicles.
Provided with a titanium housing the ISS360 is depth rated to 4,000 meters / 13,123 feet.
Optionally, the ISS360 can be provided with an integrated Attitude and Heading Reference System
(AHRS). This provides highly stable Heading, Pitch and Roll readings.
The ISS360 imaging sonar utilises a broadband composite transducer coupled with CHIRP acoustics
to provide excellent image clarity and range capability.
The sonar provides a full 360° field of vision produced by a mechanically scanned transducer. The
transducer utilises inductive coupling to the sonar electronics which enables operation without the
use of slip rings. This ensures excellent longevity in operation.
All sonar settings are fully software configurable using the seaView software. The ISS360 sonar
application within seaView is highly intuitive; ensuring range, resolution and other settings can
quickly and easily be adjusted.
As an alternative to the seaView software, a software development kit is available for third party
integration and interface development.
ISS360 Sonar (Titanium)
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2.0 Specification
2.1 Overview
Above: ISS360 (Titanium)
2.2 Dimensions
The dimensions of the ISS360 sonar are shown below:
All dimensions are in mm.
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2.3 Acoustic, Heading & Attitude
Acoustic
Attitude
Frequency
700kHz Centre
650 to 750kHz Optimal Bandwidth
600 to 900kHz Bandwidth Available
Pitch Range
± 90°
Roll Range
± 180°
Range
0.15 to 90 meters
Accuracy
0.2°
Range Resolution
7.5mm
2.5mm achievable at lower ranges
Resolution
0.1°
Beam Angle
23° Vertical
2.2° Horizontal
Heading
Signalling
CHIRP & Continuous Wave
Accuracy
± 1°
Step Size
0.225°, 0.45°, 0.9°, 1.8°, 3.6° & 7.2°
Resolution
0.1°
Scan Angle
360° Continuous or Sector Scan
2.4 Communication, Power & Physical
Communications & Power
Physical
Digital
RS232, RS485 & Ethernet
Weight
(Air/Fresh
Water)
0.38/0.3kg
Depth Rating
4,000m
Protocol
9600 to 115,200 baud
Temperature
Operating: -10°C to 40°C
Storage: -20°C to 60°C
Input Voltage
12 to 65V DC
Connector
Subconn MCBH8M-SS
(other options available)
Power (Standby)
110mA @ 24V DC
Power (Scanning)*
150mA @ 24V DC
* Based on maximum power level and scanning speed
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3.0 Installation
3.1 Electrical Installation
The ISS360 Sonar is fitted with a SubConn MCBH8M-SS connector as standard. This will
mate to a SubConn MCIL8F connector/cable assembly.
3.1.1 Connector Pin Out
The standard connector pinout is provided below:
Male Connector on ISS360 Sonar
Pin
Function
Mating Wire Colour
1
0VDC (Power)
Black
2
12-65V DC
White
3
Ethernet TX-
Red
4
Ethernet TX+
Green
5
Ethernet RX- / Serial 0V
Orange
6
Ethernet RX+ / Serial 0V
Blue
7
RS232 TX & RS485 A+
White/Black
8
RS232 RX & RS485 B-
Red/Black
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3.1.2 Power
The ISS360 Sonar power input is polarity protected and can accept a DC voltage from 12 to
65V.
3.1.3 Serial Interface
Both the RS232 and RS485 interfaces are isolated from the supply and the sonar has in-line
fused protection on the serial lines. A prolonged transient voltage on these lines will blow
the surface mount fuses which will require replacement by Impact Subsea or an approved
service agent.
3.1.4 RS232 Wiring
Note: RS232 will not function if the digital 0V pin is not used as the RS232 ground
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3.1.5 RS485 Wiring
The digital 0V must be connected on an RS485 interface, otherwise the voltage potential
between one of the A+ or B- lines to ground could reach a damaging level.
3.1.6 Ethernet Wiring
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3.1.7 Establishing Communications
The default serial settings are RS232, 9600, N81.
If the ISS360 is tilted from vertical to upside down 3 times within the first 10 seconds of
power up then it will temporarily configure the serial interface to the default (RS232, 9600,
N81) and output an ASCII message displaying the settings.
Note: When the sonar is power cycled following this process the serial interface setting will
revert back to the last saved configuration.
3.1.8 Connector Mating
When mating the cable to the SubConn connector, to maximise the life of the connector, it
is important to observe the following:
•Always apply grease before mating, Molykote 44 Medium grease must be used.
•Disconnect by pulling straight, not at an angle.
•Do not pull on the cable and avoid sharp bends at cable entry.
•Do not over-tighten the bulkhead nut.
Do not expose the connector to extended periods of heat or direct sunlight. If a connector
becomes very dry, it should be soaked in fresh water before use.
3.1.9 Connector Cleaning
General cleaning and removal of any accumulated sand or mud on a connector should be
performed using spray based cleaner (for example Isopropyl Alcohol).
New grease must be applied again prior to mating.
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