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Magnetometer Option

Document #: A958614

Page 2

ECHANICAL

NTERFACE

Typically the magnetometer manufacturer will provide a tow cable 10m long with a mechanical

termination to connect to the side scan tow arm. EdgeTech provides a custom tow point key for

each magnetometer. The tow key is attached to the side scan tow arm through a sacrificial shear

pin. If the side scan impacts, then the key shears from the tow arm, the magnetometer stays

attached to the key and tow cable, and the fish is retrieved from the tail by the Safe-T-link. The

Magnetometer connects to the breakaway key using a clevis pin that allows swivel action but

does not allow the Magnetometer to rotate. The Magnetometer is lighter than the side scan and

will tow aft and above the side scan.

Fig 2

: Connection Key for Marine Magnetic SeaSPY Magnetometer

SPY

AGNETOMETER

ABLE

IE POINT

Содержание 4200-FS

Страница 1: ...com Web http www edgetech com 4 Little brook Rd West Wareham MA 02576 Tel 508 291 0057 Fax 508 291 2492 1141 Holland Drive Suite 1 Boca Raton FL 33487 Tel 561 995 7767 Fax 561 995 7761 4 42 20 00 0 F...

Страница 2: ......

Страница 3: ...sub component The hardware components are the Model 566 or 566P topside processor with its color video monitor and the EdgeTech 4200 FS towfish Information relating to the 4200 FS towfish is included...

Страница 4: ...nditions and in the manner recommended in the instruction manual specifications or other literature ii the items have not been misused or abused in any manner or repairs attempted thereon iii written...

Страница 5: ...el WARNING This equipment generates uses and can radiate radio frequency energy and if not installed properly may cause interference to radio communications It has not been tested for compliance to th...

Страница 6: ...ity or performance improvements Although manufacturers their models and styles may change from unit to unit replacement components will generally be interchangeable EdgeTech will make all effort to se...

Страница 7: ...sducer Removal 14 7 2 TROUBLESHOOTING 14 7 2 1 Equipment Required 14 7 2 2 General Troubleshooting 15 7 2 2 1 Transmission Verification 15 7 2 2 2 Sonar Processor and Data Link 16 7 2 2 3 Topside Powe...

Страница 8: ...10 FIGURE 7 1 ELECTRONICS ASSEMBLY REMOVAL 13 FIGURE 7 2 ELECTRONICS ASSEMBLY REMOVAL 13 FIGURE 7 3 ELECTRONICS ASSEMBLY REMOVAL 13 FIGURE 7 4 TOWFISH COMPONENT LOCATIONS 27 FIGURE 7 5 TAIL FIN DIMENS...

Страница 9: ...speed up to 10 knots while meeting NOAA and IHO requirements for hits on target When operating at the High Speed Mode HSM the surveyor can select either of the operational frequencies namely 410 kHz f...

Страница 10: ...ange HDM mode Horizontal Beam Width HDM 120 kHz 0 64 410 kHz 0 3 Horizontal Beam Width HSM 120 kHz 1 26 410 kHz 0 4 Digital Link 4 MBits sec typical 4 channels of side scan data sensor data Vertical B...

Страница 11: ...icrosoft Windows 2000 Another choice is the 566P portable topside housed in a rugged waterproof case The user control and display interface is provided by EdgeTech s Discover 4200 FS acquisition softw...

Страница 12: ...n S So on na ar r 3 4200 TELEMETRY 3 1 SPECIFICATIONS Link o Trigger TTL for USBL or Fish external trigger o Tow cable co axial o Tow cable length up to 6000m Power o 566 Processor 115 230V AC 50 60Hz...

Страница 13: ...mounted along the side of the towfish The whole length of the towfish is a watertight pressure vessel housing the electronics The front and rear end caps are secured to the housing and waterproofed us...

Страница 14: ...or The tow arm provides a housing for the splice for the soft tow cable The arm is also configured with EdgeTech s Saf T Link mechanical attachment to prevent towfish loss due to snagging on the seafl...

Страница 15: ...lar and armored tow cables are available depending on survey speed and operating depth 6 DEPLOYMENT The 4200 FS towfish may be deployed in two possible configurations depending on the users tow and ha...

Страница 16: ...pins Specifications Shear Pin 8 mm 5 16 Delrin rod Shear Force 6 2 to 6 4 kN 1400 1500 lbf 6 1 1 CABLE ATTACHMENT The tow arm and tow cable attachments are shown below FIGURE 6 3 TOW ARM CABLE MOUNTI...

Страница 17: ...es the 6 pin female mating connector This splice connector combination is mated to the towfish 3 4 and the splice is stored in the tow arm cavity 2 3 4 The cable is retained in the tow arm using tie w...

Страница 18: ...E This option is used with the standard Edgetech tow arm as in Section 6 1 Higher speeds and depths maybe achieved using an armored tow cable 6 2 1 CABLE ATTACHMENT Tow cable attachment arrangements a...

Страница 19: ...at all attempts be made to see if a problem is external to the towfish before opening it Only open the towfish body as a last resort when it has been established that the problem is internal to the to...

Страница 20: ...do not have to be tight See Figure 7 2 5 Carefully disconnect the four transducer connections on the end cap Tag their ends as to their placement 6 Remove the screw securing a small metal block reten...

Страница 21: ...Document 990 0000046 1000 Page 13 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r Figure 7 2 Figure 7 3 Figure 7 1...

Страница 22: ...p 4 above when re assembling the unit Do not over tighten the mounting nuts Use a straight edge along the face of the arrays to preserve horizontal alignment The maximum deviation should be less than...

Страница 23: ...ustments are preset at the factory and should not require any modifications in the field unless certain mechanical and or electrical components are changed or the adjustments are inadvertently altered...

Страница 24: ...at indefinitely There will also be a video acknowledgement of successful self test and linkup in the topside processor s Discover display window Self test status will also be displayed on an external...

Страница 25: ...EdgeTech Utilities folder on the towfish Two copies must be run one on each computer One serves as the client topside and the other as the server towfish Since the client connects to the server the Cr...

Страница 26: ...sh if the problem is on a single channel or all channels If data is absent in all or individual channels check the T R Switch and SSB boards If the problem is with a particular channel also check the...

Страница 27: ...m the topside unit This signal is used for optional commands May not be present in all systems 2 TRIGger A TTL signal that synchronizes the topside and sub sea units with other topside equipment Follo...

Страница 28: ...acitance from the open wire to the shield on both ends allows two different capacitance readings to be recorded This represents a direct ratio related to cable length and distance of break from each e...

Страница 29: ...ins are susceptible to being bent banged up and even torn off the towfish A bent tail fin may cause the towfish to veer from its intended towing path and operating depth An extra set of fins should al...

Страница 30: ...iguration If a topside processor is unavailable or out of commission an external keyboard mouse and video monitor can be attached to the towfish CPU card This requires that the fish is open It gives l...

Страница 31: ...boards Verify that the link up is steady Cable and its terminations Towfish Modem and Power PCBs Check for a transmit signal emanating from each transducer element using a scope sniffer See Section 7...

Страница 32: ...follow the direction of the towfish change Slightly rotate the towfish fore and aft and along its long axis and verify that the pitch and roll values change Replace compass module if pitch and roll do...

Страница 33: ...AFT Arrays and confirm noise on sonar screen Rub the FWD Arrays and confirm no noise on sonar screen Set system to HSM mode and repeat rub test as above High frequency transducer elements T R Switch b...

Страница 34: ...STS WHEN OPERATIONAL Test Possible Trouble Area s Random irregular white lines occur in the across track data Wet end tow cable connector Any cable and connection in the tow cable line Water in the to...

Страница 35: ...Document 990 0000046 1000 Page 27 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r FIGURE 7 4 TOWFISH COMPONENT LOCATIONS...

Страница 36: ...Document 990 0000046 1000 Page 28 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r FIGURE 7 5 TAIL FIN DIMENSIONS...

Страница 37: ...Document 990 0000046 1000 Page 29 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r FIGURE 7 6 END CAP TRANSDUCER CONNECTIONS...

Страница 38: ...oth power and telemetry signals It is normal to use a coaxial cable for this tow connection but for short cable lengths typically less than 3 500m a twisted pair cable may suffice The connection at th...

Страница 39: ...Document 990 0000046 1000 Page 31 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r FIGURE 8 2 TOW CABLE WITH 566P TOPSIDE TERMINATION...

Страница 40: ...Document 990 0000046 1000 Page 32 4 42 20 00 0 F FS S S Siid de e S Sc ca an n S So on na ar r REVISIONS 8 2 ARMORED TOW CABLE TERMINATION FIGURE 8 3 ARMORED TOW CABLE TERMINATION...

Страница 41: ...0287 0300 NOSE POTTED 4200 350 0000290 0300 COVER ARRAY 4200 350 0000291 0300 WASHER FINISH 4200 350 0000293 0300 PIN SHEAR BLACK DELRIN 5 16 350 0000303 0300 ARM TOW 4200 350 0000415 0300 TRANSDUCER...

Страница 42: ...hrough customs faster and without duties being charged Whenever possible please send copies of original export shipping documents with the consignment 2 If the value of the equipment is over 1000 the...

Страница 43: ...simultaneously with various magnetometer units Currently EdgeTech offers an interface package for Marine Magnetics SeaSPY and Geometrics G 882 magnetomers Other brands and models can also be interfac...

Страница 44: ...sacrificial shear pin If the side scan impacts then the key shears from the tow arm the magnetometer stays attached to the key and tow cable and the fish is retrieved from the tail by the Safe T link...

Страница 45: ...ometer Option Document A958614 Page 3 Fig 3 Connection Setup for Marine Magnetics SeaSPY Magnetometer Restrain Mag Data Cable with Cable tie at this point Anchor Tow cable 2 points with cable tie Shea...

Страница 46: ...Magnetometer Option Document A958614 Page 4 Fig 4 Connection Assembly for SeaSPY Magnetometer...

Страница 47: ...or the G 882 is via an 8 pin Micro Subconn connection MCIL8F MCBH8M The RS 232 interface is setup for 9600 baud 8 bits 1 stop no parity a Pin out specs Pin 1 27 VDC Pin 2 Return and RS 232 Ground Pin...

Страница 48: ...7 0 5 20 0 5 9 V 0V Female Face View 5 2 6 1 3 4 Rear View Solder Buckets E D B C A Amphenol 97 3106A 16S 8P 2 Waterproof Splice 1 4 3 5 6 2 0V Aux Aux Tx Rx 27V 0V Mag Rx Mag Tx R T Gnd 7 8 MCIL8F 7...

Страница 49: ...e running on the topside need to be configured properly The following show the required fields in the initiation files a SonarSerial ini Serial5 Create 1 Port 1 NetworkRaw 1 Baud 9600 Notes Change Ser...

Страница 50: ...Tech kit consists of 1 Breakaway key part number 350 B980313 0300 for Geometrics or part number 350 B980314 0300 for Marine Magnetic 2 Y Cable splice to connect the existing tow cable to the side scan...

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