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Summary of Contents for Moog Tritech Micron Echosounder
- Page 1 Micron Echosounder Micron Echosounder Product Manual 0650-SOM-00001, Issue: 02 0650-SOM-00001, Issue: 02 © Tritech International Ltd.
- Page 2 Micron Echosounder © Tritech International Ltd The copyright in this document is the property of Tritech International Ltd. The document is supplied by Tritech International Ltd on the understanding that it may not be copied, used, or disclosed to others except as authorised in writing by Tritech International Ltd. Tritech International Ltd reserves the right to change, modify and update designs and specifications as part of their ongoing product development programme.
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Page 3: Table Of Contents
Micron Echosounder Table of Contents Help & Support ......................4 Warning Symbols ......................5 1. Specification ......................6 1.1. Dimensions ....................6 1.2. Physical ....................... 6 1.3. Acoustic Properties ..................7 1.4. Electrical & Communication ................7 1.5. Pin-out Diagram & Cable Specification ............7 2. -
Page 4: Help & Support
Micron Echosounder Help & Support First please read this manual thoroughly (particularly the Troubleshooting section, if present). If a warranty is applicable, further details can be found in a Warranty Statement at the end of the manual. Tritech International Ltd can be contacted as follows: Mail Tritech International Ltd Peregrine Road... -
Page 5: Warning Symbols
Micron Echosounder Warning Symbols Throughout this manual the following symbols may be used where applicable to denote any particular hazards or areas which should be given special attention: Note This symbol highlights anything which would be of particular interest to the reader or provides extra information outside of the current topic. -
Page 6: Specification
Micron Echosounder 1. Specification 1.1. Dimensions Ø50 Ø56 Ø50 Not to scale, dimensions in mm. 1.2. Physical Weight in air 200g Weight in water Depth rating 750m Operating temperature -10 to 35°C Storage temperature -20 to 50°C 0650-SOM-00001, Issue: 02 ©... -
Page 7: Acoustic Properties
Specification Micron Echosounder 1.3. Acoustic Properties Operating frequency 500kHz Beamwidth 6° conical Maximum range Minimum range 0.5m Digital resolution 1.4. Electrical & Communication Analogue output 0-5V DC on AUX port Communication protocol RS485, RS232 Serial output format ASCII, NMEA Topside control Computer with standard serial port SeaHub or USB-RS232/RS485 converter Power requirements... - Page 8 Specification Micron Echosounder S11975 Pinouts (Standard Echosounder after September 2018) Main Port Wire Colour Function Yellow RS485 A RS232 TX Blue RS485 B RS232 RX DC + Black DC Ground Green RS232 Ground Cable Sheath Earth Aux Port Wire Colour Function DC + Black...
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Page 9: Introduction
Micron Echosounder 2. Introduction The Micron Echosounder is a sonar ranging device which, when mounted vertically gives the height above the seabed or in any other orientation will provide a method for measuring subsea distances. The Echosounder can be configured to operate as a single device or paired with other devices from the Micron range. -
Page 10: Installation
Micron Echosounder 3. Installation 3.1. Mounting Optimal Orientation Always mount the Micron Echosounder so that it is as close to the true vertical (or horizontal) as possible in relation to the trim position of the vehicle. Errors in the head alignment can give rise to unreliable results. Mounting Material and Suitable Brackets Caution Avoid mounts that contain any metal alloys of copper such as brass or bronze. -
Page 11: Power
Installation Micron Echosounder All dimensions are in millimetres. Figure 3.1. Mounting Holes on Micron Range 3.2. Power Caution Unused connector sockets should be sealed against water ingress using the provided blanking cap. Caution When mating the connectors ensure that both plug and socket are completely dry. -
Page 12: Communications
Installation Micron Echosounder Caution Never attempt to operate the Micron Echosounder at the end of a long cable by increasing the PSU output voltage above the maximum rated voltage of the unit. 3.3. Communications Caution The power should be turned off before making a connection between the sonar head and surface controller (SCU or SeaHub). -
Page 13: Rs485 Characteristics
Installation Micron Echosounder It is possible to connect over a longer cable using a pair of RS232 to RS485 (or RS422) converters and only using the RS232 connection over short ranges near the Echosounder head and control computer. 3.3.3. RS485 Characteristics The RS485 telemetry is half-duplex, 2-wire (RS485 A (or -) and RS485 B (or +)) with a maximum speed of 115.2kbps. -
Page 14: Operation
Micron Echosounder 4. Operation Note The output from the Echosounder can be in serial or analogue format. This section only covers applications which use the data in serial format. 4.1. Output Strings The serial output is either interrogated (i.e., the software asks for a response) or free-running and will continuously send out acoustic pulses and supply the output from the Echosounder to the connected computer even if the software is not running. -
Page 15: Data Stream Characteristics
Operation Micron Echosounder Warning NEVER place the transducer close to the ear to listen for the clicks. Doing so could result in permanent damage to the eardrum. Always remain at least 15cm away from the transducer. 4.2. Data Stream Characteristics The default Echosounder output communication characteristics are as follows: •... -
Page 16: Configuration
Micron Echosounder 5. Configuration The Micron Echosounder is configured at the factory and it is not normally possible to re- configure it in the field. 5.1. Connecting the Echosounder to other Micron products Note When daisy chained, the Micron Echosounder should be placed at the end of the chain. -
Page 17: Serial Output String
Configuration Micron Echosounder • 9.6kbps • 4.8kbps • 2.4kbps 5.5. Serial Output String The output string can be configured for one of three options: • 3P2 • 3P3 • NMEA For more details of the string format please refer to Chapter 4, Operation. 5.6. -
Page 18: Maintenance
Micron Echosounder 6. Maintenance 6.1. After each use of the equipment Make sure that after using the Echosounder it is washed down with fresh water and check the unit for any signs of obvious damage. Once the unit is clean; dry thoroughly and place in the storage container. Note If the unit is fitted to an ROV it is advisable to remove from its fitting and wash both with fresh water and dry both thoroughly prior to re-assembly. -
Page 19: Chirp Signal Processing
Micron Echosounder Appendix A. CHIRP Signal Processing There are several advantages of Tritech International Ltd Digital Sonar Technology (DST) which allows the use of CHIRP signal processing technology to improve the images generated by the sonar. In monotonic (single frequency burst) sonar, the range resolution is determined by the length of the transmitted pulse. - Page 20 CHIRP Signal Processing Micron Echosounder Target Transmitted Pulse Seperation Sonar range resolution Target 1 echo Target seperation Target 2 echo Both targets are visible. Combined echo Time The response from the pattern-matching algorithms in the sonar means that the length of the acoustic pulse no longer affects the amplitude of the echo on the sonar display.
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Page 21: Glossary
Micron Echosounder Glossary ASCII American Standard Code for Information Interchange - a character encoding scheme originally based on the English alphabet. Direct Current DE-9 A 9 pin D shaped connector commonly used for serial communications on computers. Power Supply Unit Remotely Operated Vehicle RS232 Traditional name for a series of standards for serial binary data control...
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