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SIS-1500 Seafloor Imaging System

3-19

SECTION 3  Setup and Deployment

System Startup

Figure 3-8  The Setup Dialog Box

Configuring the Navigation Parameter Settings

If a shipboard navigation system is or will be connected to the SIP-150 Sonar 
Image Processor, the navigation parameter settings should be verified or 
reconfigured as necessary. The processor accepts any NEMA0183 string 
that is input from the external navigation system to the COM3 port of the 
workstation. The navigation parameter settings are entered in the Navigation 
area of the Setup dialog box. 

To verify or reconfigure the navigation parameter settings:

1.

Select File from the menu bar, and then choose Setup. The Setup dialog 
box shown in Figure 3-8 opens.

2.

In the Navigation area of the Setup dialog box click the down arrow in the 
Port drop-down list box. A list of available communications ports opens.

Содержание SIS-1500

Страница 1: ...DATASONICS SIS 1500 Seafloor Imaging System System Manual June 1998 Datasonics Inc 1400 Route 28A Cataumet MA 02534 U S A Tel 01 508 563 5511 Fax 01 508 563 9312...

Страница 2: ...ii DATASONICS Volume I System Manual June 1998...

Страница 3: ...ller is notified of any claims within three 3 months from the date the work is performed In no event shall Seller be liable for consequential damages NO PRODUCT IS WARRANTED AS BEING FIT FOR A PARTICU...

Страница 4: ...sponsible for safe arrival of the shipment Title shall so pass to the Buyer regardless of any provision for payment of freight or insurance by Datasonics and regardless of the form of the shipping doc...

Страница 5: ...ment Section 4 Theory of Operation describes the circuit functions and signal flows for both the shipboard and subsea components of the system Section 5 Maintenance covers routine maintenance and incl...

Страница 6: ...ould you have any comments or suggestions about this manual or the SIS 1500 Seafloor Imaging System or if you require service or support Please contact us at DATASONICS INC Attention Customer Service...

Страница 7: ...hirp Sonar 1 6 SIP 150 Sonar Image Processor 1 6 SIP 150 Sonar Image Processor Workstation 1 7 Chirpscan3 Software 1 8 Data Fusion and Storage 1 8 Realtime Display and Image Processing 1 8 Post Proces...

Страница 8: ...ta 2 6 Uplink Sonar Data 2 6 TTV 195 Tow Vehicle 2 6 Physical Characteristics 2 6 Sidescan Sonar 2 7 Sensors 2 7 SECTION 3 Setup and Deployment 3 1 Unpacking 3 3 Processor Setup 3 5 Processor Hardware...

Страница 9: ...ts 3 29 Launching the Tow Vehicle 3 30 SECTION 4 Theory of Operation 4 1 Topside Processor Electronics 4 3 Workstation 4 5 Digital Multiplexer 4 6 Subsea Electronics 4 8 Sonar Electronics 4 10 Transdu...

Страница 10: ...20 Tap Test 5 20 Short Circuit Test 5 20 Transmit Test 5 20 Heading Sensor Calibration 5 20 Downlink Commands 5 21 Range Command TLF x 5 22 Receiver Gain Command G x y 5 22 Power ON OFF Command Pxy 5...

Страница 11: ...ent 3 16 Figure 3 7 The Main Window 3 18 Figure 3 8 The Setup Dialog Box 3 19 Figure 3 9 The Comm Setup Dialog Box 3 20 Figure 3 10 The Sonar Setup Dialog Box 3 21 Figure 3 11 The Attitude Dialog Box...

Страница 12: ...olume I System Manual June 1998 Figure 4 2 Chirplink II Digital Multiplexer Chassis 4 7 Figure 4 3 Subsea Electronics Block Diagram 4 9 Figure 4 4 Sonar Electronics Chassis 4 11 Figure 5 1 Tow Vehicle...

Страница 13: ...st of Tables List of Tables Table 5 1 Processor Startup Problems 5 10 Table 5 2 Tow Vehicle Activation Problems 5 11 Table 5 3 Predeployment Checks Problems 5 16 Table 5 4 Operation Problems 5 17 Tabl...

Страница 14: ...xiv DATASONICS Volume I System Manual June 1998...

Страница 15: ...SIS 1500 Seafloor Imaging System 1 1 SECTION 1 SIS 1500 Overview SECTION 1 SIS 1500 Overview...

Страница 16: ...1 2 DATASONICS Volume I System Manual June 1998...

Страница 17: ...ocesses displays and archives sidescan sonar data and monitors and controls system performance the Datasonics Chirpscan3 software for Windows with matched filter digital signal processing that generat...

Страница 18: ...1 4 DATASONICS Volume I System Manual June 1998 Figure 1 1 SIP 150 Sonar Image Processor...

Страница 19: ...SIS 1500 Seafloor Imaging System 1 5 SECTION 1 SIS 1500 Overview Main System Components Figure 1 2 TTV 195 Tow Vehicle...

Страница 20: ...nstant throughout the entire range the pulse characteristics are programmable as the pulse length span of frequency sweep and phase amplitude calibration of the transmit waveform can be varied without...

Страница 21: ...play area of the Main window Also within the Main window is the Parameter display the Status display the Sonar Controls box and the Auxiliary Controls box As the sonar data are received the workstatio...

Страница 22: ...ed into the standard data format in the workstation and combined with the sonar data before being displayed and recorded on the magneto optical disk or the Exabyte 8 mm cartridge tape Although the son...

Страница 23: ...ing is used for transmitting all the downlink commands and uplink vehicle status information and sensor data at a frequency of 9600 baud T1 telecommunications technology an industry standard is used f...

Страница 24: ...arm to break away from the tow point should a collision occur or should the tow vehicle become snagged However one end of a recovery cable is attached to the towing arm The cable runs back along the t...

Страница 25: ...SIS 1500 Seafloor Imaging System 1 11 SECTION 1 SIS 1500 Overview TTV 195 Tow Vehicle Figure 1 3 TTV 195 Tow Vehicle Breaking Away from Obstruction...

Страница 26: ...produced linear FM acoustic transmissions to produce high resolution images of seafloor contours In all sonar systems higher frequency content is invariably associated with an increase in resolution...

Страница 27: ...he transmitted sonar beam which affect the across track resolution the horizontal width of the beam affects the sidescan sonar s resolution in the direction that is parallel to the path of the tow veh...

Страница 28: ...er arrays detect the reflected energy 4 Reflections at the receiver array are amplified by a computer controlled amplifier and a user programmable gain stage In addition the sidescan receiver applies...

Страница 29: ...SIS 1500 Seafloor Imaging System 2 1 SECTION 2 Specifications SECTION 2 Specifications...

Страница 30: ...2 2 DATASONICS Volume I System Manual June 1998...

Страница 31: ...keyboard and pointing device and the Chirpscan3 software The digital multiplexer performs all the uplink and downlink communications with the tow vehicle and interfaces with the workstation Both the...

Страница 32: ...ta storage Magneto optical drive Exabyte 8 mm cartridge tape drive Power supply 300 Watt Display Screen size 17 inches Screen resolution 1280 x 1024 Power Requirements Power input 100 125 VAC or 220 2...

Страница 33: ...nal Downlink Commands Carrier frequency 35 kHz Allotted spectrum 30 kHz to 40 kHz Format RS 232 ASCII 9600 baud Commands Transmit repetition rate Transmit pulse length Port sidescan transmitter ON OFF...

Страница 34: ...optional Temperature sensor Pressure sensor Cesium magnetometer Uplink Sonar Data Allotted spectrum 90 kHz and higher Data rate 1 544 Mbits sec Format Industry standard T1 Data Port and starboard sid...

Страница 35: ...source level 225 dB re 1 Pa 1 meter Range 25 to 500 meters each channel Frequency range Sweeps in the 190 kHz to 210 kHz band port and starboard sidescan sonar sweep in opposite directions Transducer...

Страница 36: ...2 8 DATASONICS Volume I System Manual June 1998...

Страница 37: ...SIS 1500 Seafloor Imaging System 3 1 SECTION 3 Setup and Deployment SECTION 3 Setup and Deployment...

Страница 38: ...3 2 DATASONICS Volume I System Manual June 1998...

Страница 39: ...getting the system operational quickly Unpacking The system hardware is shipped in three wooden boxes or optional reusable Hardigg cases which allow the system to be transported many times A fourth b...

Страница 40: ...ght carrier Perform the steps below to remove the items from the boxes 1 Carefully remove the SIP 150 Sonar Image Processor from its box and then remove the cables from the compartment that is at the...

Страница 41: ...ar a 100 125 VAC or 220 240 VAC 50 60 Hz power source Be sure the back of the processor is accessible for connecting the cables Slide the monitor into the channel on top of the processor making sure t...

Страница 42: ...on And Use PRINTER DB 25S parallel port connector that connects to the optional printer KEYBOARD 5 PIN DIN keyboard connector that connects to the keyboard MOUSE 9 PIN DB connector that connects to th...

Страница 43: ...nector Description And Use DECK CABLE UHF connector that connects to the 75 meter Kevlar reinforced deck cable and is used to input sonar data tow vehicle status information and sensor data from the t...

Страница 44: ...ion AUX DB 9P serial port connector that is used for diagnostics and is not available to the user VAC IN AC power input connector that connects to the AC power source Connecting the Processor Follow t...

Страница 45: ...he workstation to DATA OUT on the multiplexer 3 Connect CLOCK IN on the workstation to CLOCK OUT on the multiplexer 4 Connect TELEM on the workstation to TELEM on the multiplexer The following connect...

Страница 46: ...DRIVE LED A red indicator that is illuminated when the workstation is accessing the hard drive RESET switch A push button switch that resets the workstation POWER switch A rocker switch that turns th...

Страница 47: ...ions The Chirplink II Digital Multiplexer operator functions and their description and use are listed below Function Description And Use ON OFF switch A circuit breaker switch that turns the digital m...

Страница 48: ...ey switch on the digital multiplexer are on VOLTS meter An analog meter that Indicates the voltage in volts being transmitted to the tow vehicle from the digital multiplexer AMPS meter An analog meter...

Страница 49: ...ducer arrays Installing the Tail Fins The tow vehicle requires the installation of three tail fins Each fin is installed in a separate slot at the aft end of the tow vehicle Follow the steps listed be...

Страница 50: ...o the slot until the notch at the bottom of the tail fin engages with the stud at the bottom of the slot Figure 3 4 Installing the Tow Vehicle Tail Fins 3 Tighten the corresponding socket head screw D...

Страница 51: ...igital multiplexer and the other end to the slip ring assembly of a storage winch containing armored tow cable 2 Place the tow vehicle near its launching point 3 Connect the tow cable pigtail to the t...

Страница 52: ...shown in Figure 3 6 2 Loosen each screw until the screw shoulder is free of the housing 3 Grab each screw simultaneously and then move the screws into the required corresponding notches The notch clos...

Страница 53: ...2 Turn on the monitor 3 Turn on the workstation by pressing I on the POWER switch The POWER LED will light and the HARD DRIVE LED will flash as the workstation s internal hard drive is accessed After...

Страница 54: ...ttings The settings can also be saved allowing many different settings to be individually configured and recalled as desired The parameter settings are configured in the Setup dialog box shown in Figu...

Страница 55: ...sary The processor accepts any NEMA0183 string that is input from the external navigation system to the COM3 port of the workstation The navigation parameter settings are entered in the Navigation are...

Страница 56: ...top bits and parity 7 Select the number of data bits from the Data Bits drop down list box 8 Select the baud rate from the Baud Rate drop down list box 9 Select the number of stop bits from the Stop B...

Страница 57: ...opens 4 Select 187 5 from the LFSS drop down list box 5 In the Gain dB area of the Sonar Setup dialog box click the up or down arrow in the Port scroll box to adjust the port channel receiver gain to...

Страница 58: ...d Course and Altitude To verify or reconfigure the display setup parameters for all the standard sensors 1 Select File from the menu bar and then choose Setup The Setup dialog box shown in Figure 3 8...

Страница 59: ...d they can be easily recalled by loading the saved setup configuration To save a setup configuration 1 Select File from the menu bar and then choose Setup The Setup dialog box shown in Figure 3 8 on p...

Страница 60: ...ct it When selected the file name is highlighted 4 Double click the file name or click Open The selected setup file is loaded and the Open dialog box closes 5 In the Setup dialog box click OK to close...

Страница 61: ...nd then illuminate continuously and the TELEM LOCK LED will flash for about 30 seconds and then illuminate continuously 3 Select File from the menu bar and then choose Start System The SIP 150 Sonar I...

Страница 62: ...peration of the sensors Rub Test With the tow vehicle activated perform the steps listed below to check the sonar transmitters and receivers using the rub test technique 1 With one hand rub the port t...

Страница 63: ...splay should look similar to the one shown in Figure 3 16 Chirp Pattern Diagnostics Test With the tow vehicle activated perform the steps listed below to check the sonar receivers using the Chirp patt...

Страница 64: ...s has been sent to the tow vehicle and the diagnostics start 6 Examine the Port and Starboard Sidescan Sonar displays in the Main window They should look similar to those shown in Figure 3 18 with bla...

Страница 65: ...rving the pitch and roll indications in the tow vehicle Pitch and Roll display move the vehicle s nose up and down several times Then rotate the tow vehicle slightly to starboard and to port several t...

Страница 66: ...vehicle s nose to the right causes the heading indication to sweep to the right and moving it to the left causes the heading indication to sweep to the left 6 Clear the Console Check box 7 Click Canc...

Страница 67: ...begin acquiring data 4 Check the attitude and stability of the tow vehicle The pitch roll heading and course indications should be stable If not the tow vehicle may be in the ship s prop wash and it m...

Страница 68: ...3 32 DATASONICS Volume I System Manual June 1998...

Страница 69: ...SIS 1500 Seafloor Imaging System 4 1 SECTION 4 Theory of Operation SECTION 4 Theory of Operation...

Страница 70: ...4 2 DATASONICS Volume I System Manual June 1998...

Страница 71: ...nd the subsea electronics They are connected with a single coaxial cable The topside processor electronics is the electronics hardware component of the SIP 150 Sonar Image Processor The subsea electro...

Страница 72: ...4 4 DATASONICS Volume I System Manual June 1998 Figure 4 1 Topside Processor Electronics Block Diagram...

Страница 73: ...s Pentium based host CPU runs the Chirpscan3 software and provides the COM1 and COM2 serial communications ports and the LPT1 parallel port The COM1 port which is the TELEM serial port outputs the dow...

Страница 74: ...as the communications link between the workstation and the subsea electronics is also the subsea electronics power supply When the front panel circuit breaker CB1 is closed 100 125 VAC or 220 240 VAC...

Страница 75: ...hed and is illuminated continuously when the link is established The Cable Interface on the Multiplexer board combines the high voltage power with the downlink commands and the sonar and responder key...

Страница 76: ...CLOCK OUT respectively The uplink vehicle status information and sensor data are transmitted at 9600 baud using an FSK format where the data are centered at 65 kHz The data are converted into RS 232 f...

Страница 77: ...SIS 1500 Seafloor Imaging System 4 9 SECTION 4 Theory of Operation Subsea Electronics Figure 4 3 Subsea Electronics Block Diagram...

Страница 78: ...an energy storage capacitor bank which provides stored energy and the set of eleven circuit boards which perform the following functions Backplane board Provides all of the interconnections between t...

Страница 79: ...4 Sonar Electronics Chassis TRANSMITTER BOARD RECEIVER BOARD DIGITIZER BOARD T1 INTERFACE BOARD MODEM BOARD BURST BOARD OPTION BOARD CONNECTOR PITCH ROLL HEADING SENSOR POWER BOARD CABLE INTERFACE BO...

Страница 80: ...e Cable Interface board filters the high voltage power from the other signals In addition the Cable Interface board demodulates the sonar and responder keys and converts them into digital pulses These...

Страница 81: ...isolation The Transmitter board is a dual channel transmitter that amplifies the transmit signals that are input from the Burst board and drives the corresponding port and starboard transducer arrays...

Страница 82: ...are both independently connected to the Transmitter board in the sonar electronics Each transducer array consists of six precisely spaced transducer elements that are positioned in a straight line to...

Страница 83: ...SIS 1500 Seafloor Imaging System 5 1 SECTION 5 Maintenance and Troubleshooting SECTION 5 Maintenance and Troubleshooting...

Страница 84: ...5 2 DATASONICS Volume I System Manual June 1998...

Страница 85: ...ghly reliable components and requires a minimum of maintenance however to maintain the best performance and to avoid premature hardware failures periodic maintenance should be performed This includes...

Страница 86: ...teps below to clean and inspect the tow vehicle 1 Wash down the tow vehicle inside and out with clean fresh water and remove any debris that may have become trapped 2 Inspect the face of the transduce...

Страница 87: ...g and access the sonar electronics 1 Prepare a clean dry work area 2 Using the supplied 1 4 drive palm ratchet extension tool loosen the closure bolt located in the nose by turning it counterclockwise...

Страница 88: ...anual June 1998 Figure 5 1 Tow Vehicle Disassembly TAIL ASSEMBLY NOSE ELECTRONICS HOUSING SONAR TRANSDUCER HOUSING SAFETY CABLE SONAR TRANSDUCERS AFT RETAINING RING LOCATION SAFETY CABLE SHACKLE 2 TRA...

Страница 89: ...the slot on the housing with the tab in the end cap 3 Press the housing onto the end cap until the tab in the end cap is fully inserted into the slot in the housing 4 Connect the in line connector if...

Страница 90: ...onto the transducer mounting rod making sure the cables are positioned on the same side as the towing arm and then reconnect the transducer cables and reinstall the aft retaining ring 2 Slide the hou...

Страница 91: ...blem to the subassembly or component Recommended Test Equipment Below is a list of recommended test equipment for troubleshooting any performance problems or hardware failures Fluke 70 Series multimet...

Страница 92: ...oubleshooting guides also call for three procedures that are included in this section the cable checks for checking transducer array cables and connectors the transducer array checks for checking the...

Страница 93: ...es when the HIGH VOLTAGE switch is turned on If VAC power is not present check the line filter FL1 The VOLTS meter indicates a voltage that is less than 140 volts and or the AMPERES meter shows no cur...

Страница 94: ...check the output of the Melcher DC Regulator for 48 VDC If 48 VDC is not present check the input for 144 VDC If 144 VDC is present replace the regulator If 144 VDC is not present replace the Cable Int...

Страница 95: ...trol Panel window and then select the Device Manager tab in the System Properties window Verify that the View devices by type option button is selected and then double click Ports One at a time select...

Страница 96: ...back on The TELEM LOCK LED should flash for about 30 seconds and then illuminate continuously If the TELEM LOCK LED does not operate properly replace the Multiplexer board in the digital multiplexer...

Страница 97: ...ored coaxial cable is faulty Refer to Cable Checks on page 5 19 and check the deck cable or the armored coaxial tow cable The shipboard power is noisy or noise is being coupled onto the deck cable Che...

Страница 98: ...ect Chirp Pattern Sonar from the Diag Mode drop down list box and then click Accept The sonar displays should look similar to those shown in Figure 3 18 on page 3 28 If they do not replace the Burst b...

Страница 99: ...re faulty Refer to Cable Checks on page 5 19 and check the cable from the electronics housing to the transducer arrays One or both of the transducer arrays are not functioning Refer to Transducer Chec...

Страница 100: ...nector on the digital multiplexer There is no responder key output from the digital multiplexer Check TP31 on the Multiplexer board in the digital multiplexer If there is no key signal replace the boa...

Страница 101: ...to Section 6 Drawings for the wiring diagrams A reading of 1 ohm or less should be observed on short cables The reading for deck cables or coaxial tow cables will be higher for example a 1 kilometer...

Страница 102: ...ectronics housing and clean the connector Using a megometer or a digital multimeter on the highest ohm scale measure the resistance of each pin of the connector to every other pin All measurements sho...

Страница 103: ...this parameter which can range from 0 to 9 a high number is preferable the number 9 indicates the best quality 11 Start the heading sensor by typing C0 and Exit HyperTerminal Downlink Commands All the...

Страница 104: ...board sidescan and for y the selections are 0 through 21 in increments of 3 Power ON OFF Command Pxy The on off control of the port and starboard sidescan transmitters is provided by the Power ON OFF...

Страница 105: ...ry uplink transmission and the command echo is transmitted after the tow vehicle receives a downlink command The uplink telemetry data format is shown in Table 5 5 where the position number correspond...

Страница 106: ...5 24 DATASONICS Volume I System Manual June 1998...

Страница 107: ...SIS 1500 Seafloor Imaging System 6 1 SECTION 6 Drawings SECTION 6 Drawings...

Страница 108: ...6 2 DATASONICS Volume I System Manual June 1998...

Страница 109: ...apply to the Chirplink II Digital Multiplexer B150 08365 Chirplink II Digital Multiplexer Wiring Diagram B150 08305 Multiplexer Board Assembly Sonar Electronics Drawings The drawings listed below app...

Страница 110: ...6 4 DATASONICS Volume I System Manual June 1998...

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