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Impact Subsea ISS360 Installation & Operation Manual

Imaging sonar
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IMPACT SUBSEA
INNOVATIVE UNDERWATER PRODUCTS
Installation & Operation Manual
T. +44 (0) 1224 460 850
E. info@impactsubsea.co.uk
W. www.impactsubsea.com
ISS360
Imaging Sonar
Revision Number:
Date
I
mpact Subsea Ltd, Company Number: SC498003, Registered in Scotland, Registered
Office: Unit 10, Castle Street, Castle Road Industrial Estate, Ellon, AB41 9FR, UK
www.impactsubsea.com
1.5
th
24
September 2020

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Summary of Contents for Impact Subsea ISS360

  • Page 1 IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com ISS360 Imaging Sonar Installation & Operation Manual Revision Number: Date September 2020 T. +44 (0) 1224 460 850 mpact Subsea Ltd, Company Number: SC498003, Registered in Scotland, Registered Office: Unit 10, Castle Street, Castle Road Industrial Estate, Ellon, AB41 9FR, UK E.

  • Page 2: Table Of Contents

    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 ............................
  • Page 3 IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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 Document No: 0000.1991 | Version No: 1.5 | 24...

  • Page 4: Introduction

    INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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.

  • Page 5: Specification

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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. Document No: 0000.1991 | Version No: 1.5 | 24 September 2020...

  • Page 6: Acoustic, Heading & Attitude

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 2.3 Acoustic, Heading & Attitude Acoustic Attitude Frequency 700kHz Centre Pitch Range ± 90° 650 to 750kHz Optimal Bandwidth 600 to 900kHz Bandwidth Available Roll Range ± 180° Range 0.15 to 90 meters Accuracy 0.2°...

  • Page 7: Installation

    INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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:...

  • Page 8: Power

    INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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.

  • Page 9: Rs485 Wiring

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 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 Document No: 0000.1991 | Version No: 1.5 | 24...

  • Page 10: 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.

  • Page 11: Installation Location

    (650 to 750kHz). Other acoustic equipment within this frequency range may cause acoustic irregularities in the sonar image. If required, the ISS360 operational frequency can be adjusted to move it out of band with other equipment.

  • Page 12: Alignment With Vehicle

    3.2.3 Magnetic Disturbers (Heading Performance) When the heading output is used, the ISS360 should be mounted as far as possible from sources of magnetic interference. Electrical items which can cause magnetic interference include motors, transformer and valve packs.

  • Page 13: Mounting

    This can be achieved by using rubber or plastic strips around the body of the ISS360. The ISS360 has two flats on either side of the connector endcap end of the body. These are to enable the unit to sit tightly against another flat surface if available. These flats also help prevent the sonar moving when on the workbench for testing.

  • Page 14: Operation

    Impact Subsea range of underwater sensors. Single sensors can be operated or multiple sensors together. The ISS360 sonar will operate with seaView version 2.0 or newer. seaView is designed for use with a PC running the Windows 7, 8 or 10 operating system.

  • Page 15: Initial Connection

    Left click once on the sonar then click on the ‘ISS360’ app at the left-hand side of the screen. This will open the ISS360 sonar application and the sonar will automatically start to scan.

  • Page 16: Iss360 Sonar Application

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 4.1.2 ISS360 Sonar Application Shown above: ISS360 Application Provided in this section is an overview of the key features of the application: Colour Pallet: To the left of the screen is the colour pallet selector, clicking on this will allow you to select various colour pallet options for the sonar data to be rendered in.
  • Page 17 IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com Image Threshold & Contrast: Using the red handle on the upper and lower part of the colour pallet allows the data threshold and contract to be adjusted. This allows the sonar image to be adjusted to suit the requirements of the application at hand: •...
  • Page 18 IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com Regular Access Controls: Along the lower part of the screen, the controls which require most regular access are provided: • Gain Slider o The amount of amplification of the raw signal can be adjusted here •...

  • Page 19: Iss360 Operational Settings

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 4.1.3 ISS360 Operational Settings Shown above: ISS360 Setup Clicking the Setup icon will allow access to the operational settings of the sonar. Shown above: ISS360 Setup In this tab, features such as the scan angle of the sonar (full 360 or user defined sector scan) can be configured.
  • Page 20 This will ensure that the sonar scans quickly and no latency is introduced. Elements of the sonar display can be enabled or disabled (such as the heading, image smoothing etc) by clicking the Display Options icon Shown above: ISS360 Display Options Document No: 0000.1991 | Version No: 1.5 | 24 September 2020...

  • Page 21: Iss360 Sensor Settings

    These settings are divided into three pages: Connection, Orientation and Acoustics. Connection: Shown above: ISS360 Connection Settings In this window the serial mode of the sonar (RS232 or RS485) can be configured along with the desired baud rate. The Network configuration of the sonar can also be configured here.
  • Page 22 INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com Orientation & Magnetic Calibration: Shown above: ISS360 Orientation Settings In this window the orientation of the sonar can be defined. Note: It is standard to have the boot end of the sonar orientated upwards (with the connector downwards).
  • Page 23 It is recommended that these settings are only adjusted by a user with a high degree of experience with the ISS360 or if advised by an Impact Subsea Engineer. The default settings will provide optimal performance in the majority of applications.

  • Page 24: Other Settings & Logging

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 4.1.6 Other Settings & Logging On the left-hand side are further controls for the sonar: The functions of the Settings and Setup buttons have been covered previously in this manual. The Run/Pause button will stop the sonar scanning. Pressing again will resume scanning.

  • Page 25: Hot Keys

    Shown above: Two ISS360 Sonar displays Clicking on the Impact Subsea logo will take you to the Impact Subsea website – ideal for downloading the latest version of the seaView software or accessing other technical information.

  • Page 26: Maintenance & Servicing

    The sonar should be stored in its original case, in a cool, dry place. It is recommended that the sonar be returned to Impact Subsea Ltd, on an annual basis to have a ‘health check’ and service conducted. Document No: 0000.1991 | Version No: 1.5 | 24...

  • Page 27: Theory Of Operation

    ISS360 sonar. This reflected portion is detected by the ISS360 and the time taken for this acoustic pulse to travel from the ISS360 Sonar, bounce off the seabed and return is recorded.
  • Page 28 (temperature, salinity & pressure). However, for the purpose of this explanation, we will assume a speed of sound of 1,500m/s. If an acoustic pulse takes 0.1 second to return to the ISS360 sonar after being sent, we can calculate its round-trip travel distance as: Distance = Speed x Time = 1,500 x 0.1...

  • Page 29: The Sonar Equation

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 6.2 The Sonar Equation Any equipment which relies on underwater acoustics for ranging purposes falls into the category of a Sonar, hence the operation is governed by the 'Sonar Equation'. A clear understanding of this Equation is essential in the design of any acoustic equipment, and is useful for those wishing to utilise acoustic equipment to its full potential.

  • Page 30: Transmission Loss (Tl)

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 6.2.2 Transmission Loss (TL) As the acoustic pulse propagates through the water, it experiences spreading. This causes the energy of the signal to be dispersed over an ever-increasing area, diminishing the energy at any specific point as distance increases.

  • Page 31: Directional Index (Di)

    The ISS360 sonar utilises a 23° fan beam which is 2.2° wide. Meaning that any potential interference effects, which exist outside of this beam, will not have a negative impact on the operation of the unit.

  • Page 32: Warranty

    Replacement or repair is at the discretion of Impact Subsea Ltd. How long does the coverage last? The Warranty Period for the ISS360 Sonar, purchased from Impact Subsea Ltd, is 1 year from the date of dispatch from Impact Subsea Ltd.

  • Page 33: Technical Support

    IMPACT SUBSEA INNOVATIVE UNDERWATER PRODUCTS www.impactsubsea.com 8.0 Technical Support Should you require technical support for your ISS360 Sonar, our Support team can be contacted as follows: T. +44 (0) 1224 460 850 E. support@impactsubsea.co.uk W. www.impactsubsea.com An out of hours emergency number is available via the Impact Subsea website.

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