Sonavision 2392 mercury User Manual

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Sonavision Ltd.

INSTALLATION MANUAL

DETAILS OF THE EQUIPMENT

PART NUMBER:

DESCRIPTION:

ORIGINATOR:

ENGINEER:

PRODUCTION:

ISSUE LEVEL: ISSUE 6

ISS

DATE

DESCRIPTION

DRAFT FOR APPROVAL

RELEASE FOR PRODUCTION

Issue 6

OPERATION AND

2392-01-0001

MERCURY SONAR OPERATING AND

INSTALLATION MANUAL

APPROVALS

R.J HARDIE

2392-31-0008

Aberdeen, Scotland

Page 1 of 19

CHK

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Page 1 Sonavision Ltd. Aberdeen, Scotland OPERATION AND INSTALLATION MANUAL DETAILS OF THE EQUIPMENT PART NUMBER: 2392-01-0001 MERCURY SONAR OPERATING AND DESCRIPTION: INSTALLATION MANUAL APPROVALS ORIGINATOR: R.J HARDIE ENGINEER: PRODUCTION: R.J HARDIE ISSUE LEVEL: ISSUE 6 DATE DESCRIPTION DRAFT FOR APPROVAL RELEASE FOR PRODUCTION...
Page 2 The copyright in this document is the property of Sonavision Limited. The document is supplied by Sonavision Limited on the express terms that it may not be copied, used, or disclosed to others except as authorised in writing by Sonavision Limited.
Page 3 3. On completion of any warranty work, Sonavision Limited will return the equipment, freight prepaid. 4. Sonavision Limited retains the sole right to accept or reject any warranty claim. SAFETY AND ENVIRONMENTAL STATEMENT 1. Lethal voltages are exposed within the control unit when the top cover is removed.
Page 4 Aberdeen, Scotland MAINTENANCE AND WARRANTY POLICY Sonavision Limited warrants that its products are free from defects at the time of delivery and subject to the conditions listed below, undertakes to repair, or at its option replace, any product found to be defective in material or...
Page 5 Sonavision Ltd. Aberdeen, Scotland The unit should not be disposed of by fire. There is a risk of explosion due to the air trapped within the pressure housing. The oil filling in the hood should be drained and disposed in a safe and...
Page 6: Table Of Contents
Sonavision Ltd. Aberdeen, Scotland TABLE OF CONTENTS CONTENTS Section 1.0 INTRODUCTION AND SPECIFICATION INTRODUCTION SPECIFICATION GENERAL ARRANGEMENT Section 2.0 SYSTEM INSTALLATION INTRODUCTION PACKING / UNPACKING INSTALLATION ROUTINE MAINTENANCE Section 3.0 DRAWINGS AND TABLES TABLE 1 – CONNECTOR PIN-OUT TABLE 2 – RS232 SYSTEM WIRING TABLE 3 –...
Page 7: Section 1.0 Introduction And Specification
Section 1.0 INTRODUCTION AND SPECIFICATION 1.1 INTRODUCTION The 2392 MERCURY SONAR UNITS form a range of miniature sonars with operating depths from 300 metres (acetal housing) to 6000 metres (stainless steel / titanium housings). The sonar head is capable of a full 360° continuous rotation.
Page 8: General Arrangement
Sonavision Ltd. Aberdeen, Scotland In Air: 1.1kg (Acetal Housing) In Water: 0.4kg (Acetal Housting) Size: 140 (L) x 79 (Dia.) mm (excluding connector) Housing Material: Stainless Steel End Cap (300m unit) Polyurethane Hood Acetal Body Sonar Connector: 6-way Right Angle Impulse Bulkhead Plug...
Page 9: Section 2.0 System Installation
Sonavision Ltd. Aberdeen, Scotland The CPU board controls all the communication with the surface control unit and the control for the transmit and receive functions. The circuit contains a powerful DSP controller which processes both analogue and digital signals as required.
Page 10: Packing / Unpacking
Connect the Surface Control Unit or PC at the surface end according to the manual (if a Sonavision surface unit) and test the operation of the sonar unit. Should the sonar unit not function correctly when installed on the vehicle remove the unit and test again with the test cable and power supply.
Page 11: Routine Maintenance
Sonavision Ltd. Aberdeen, Scotland 2.4 ROUTINE MAINTENANCE Wash with fresh water after each recovery to remove sea water, mud, silt and any other contaminants. Inspect the condition of the hood and mating connector and cabling at regular intervals for oil leaks and / or signs of damage.
Page 12: Section 4.0 Service Procedures
Sonavision Ltd. Aberdeen, Scotland +V Supply RS485 TX/RX+ RS485 TX/RX- 4.0 SERVICE PROCEDURES 4.1 ASSEMBLY AND DIS-ASSEMBLY The MERCURY SONAR can be dismantled by experienced service personnel. The following approach should be followed for disassembly and re- assembly: 1. Removal of Housing Unscrew the two seal screws on the rear connector end of the unit but do no remove at this stage.
Page 13 Sonavision Ltd. Aberdeen, Scotland assembly removed from the motor shaft. TAKE GREAT CARE NOT to damage the slipring wires. The SLIPRING PCB is held onto the end cap by means of three pan head screws and this PCB can be removed by extracting these screws. Under the PCB are two connectors which mate with the wiring looms onto the end cap glass / metal seals.
Page 14: Communications Interface
The standard data rate is 57600 baud to maintain compatibility throughout the range. Other data rates can be provided as options if specified at time of order or if the sonar is returned to Sonavision for modification.
Page 15 Sonavision Ltd. Aberdeen, Scotland RS485 2 wire is the conventional communications protocol for small to medium size ROV’s which have screened twisted pairs available for optional equipment. A single twisted pair is used for both directions of communication and therefore transmit and receive are interleaved. RS485 is generally accepted as being capable of at least 1000 metre operation over a reasonable quality twisted pair.
Page 16 Sonavision Ltd. Aberdeen, Scotland directly into the PC COM port. Two wire twisted pair data connection is then made between the sonar and the data converter. CHANGING THE COMMUNICATIONS PROTOCOL Changing the protocol requires that the sonar unit is opened to gain access to the printed circuit boards.
Page 17 Sonavision Ltd. Aberdeen, Scotland Issue 6 2392-31-0008 Page 17 of 19...
Page 18 Sonavision Ltd. Aberdeen, Scotland Issue 6 2392-31-0008 Page 18 of 19...
Page 19 Sonavision Ltd. Aberdeen, Scotland END OF DOCUMENT Issue 6 2392-31-0008 Page 19 of 19...