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Summary of Contents for Edgetech PORT LF-SD
- Page 1 PORT LF-SD U S E R H A R D W A R E M A N U A L 0010189_REV_G 9/13/2024 EdgeTech 4 Little Brook Road West Wareham, MA 02576 Tel: (508) 291-0057 Fax: (508) 291-2491 www.EdgeTech.com...
- Page 2 The information, figures, and specifications in this manual are proprietary and are issued in strict confidence on condition that they not be copied, reprinted, or disclosed to a third party, either wholly or in part, without the prior written consent of EdgeTech. Any reproduction of EdgeTech-supplied software or file sharing is strictly prohibited.
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Page 3: Attention - Read This First
ATTENTION – READ THIS FIRST! All personnel involved with installing, operating, or maintaining the equipment described in this manual should read and understand the warnings and cautions provided below. CAUTION! This equipment contains devices that are extremely sensitive to static electricity. Therefore, extreme care should be taken when handling them. -
Page 4: Hardware Variations And Compatibility
HARDWARE VARIATIONS AND COMPATIBILITY The PORT LF-SD contains both standard and proprietary hardware. At times, EdgeTech may change the standard components due to their availability or performance improvements. Although the component manufacturers and their models and styles may change from unit to unit, replacement parts will generally be interchangeable. -
Page 5: About This Document
ABOUT THIS DOCUMENT We, the employees at EdgeTech, would like to thank you for purchasing the PORT LF-SD. At EdgeTech, our policy is to provide high-quality, cost-effective products and support services that meet or exceed your requirements. We also strive to deliver them on time and to look for ways to improve them continuously. -
Page 6: Warranty Statement
All equipment manufactured by EdgeTech is warranted against defective components and workmanship for a period of one year after shipment. Warranty repair will be done by EdgeTech free of charge. Shipping costs are to be borne by the customer. Malfunction due to improper use is not covered in the warranty, and EdgeTech disclaims any liability for consequential damage resulting from defects in the performance of the equipment. -
Page 7: Software Service Overview
EdgeTech provides software services free of charge. This software agreement does not address customer- specified modifications or enhancements. These services may be ordered separately. Furthermore, EdgeTech software upgrades are meant for the sole use of EdgeTech customers. Any reproduction of EdgeTech-supplied software or file sharing is strictly prohibited. -
Page 8: Returned Material Authorization
Refer to the RMA number on all documentation and correspondences. All returned materials must be shipped prepaid. Freight collect shipments will not be accepted. All equipment should be adequately insured for shipping, but equipment belonging to EdgeTech must be insured for full value. -
Page 9: Customer Service
CUSTOMER SERVICE Customer service personnel at EdgeTech are always eager to hear from users of our products. Your feedback is welcome and is a valuable source of information that we use to improve these products continually. Therefore, we encourage you to contact EdgeTech Customer Service to offer any suggestions... -
Page 10: Company Background
— for the acquisition of underwater data, including marine, estuarine, and coastal applications — for over 50 years. EdgeTech responds to the needs of the scientific, naval, and offshore communities by providing industry- leading equipment — such as sub-bottom profilers, side scan sonar, acoustic releases, USBL positioning systems, and bathymetric systems —... -
Page 11: Table Of Contents
TABLE OF CONTENTS ATTENTION – READ THIS FIRST! ......................iii Warnings, Cautions, and Notes ........................ iii HARDWARE VARIATIONS AND COMPATIBILITY .................. iv ABOUT THIS DOCUMENT ........................v Purpose of this Manual ..........................v Liability ..............................v Revision History ............................v WARRANTY STATEMENT ........................ - Page 12 Connecting Power ........................16 4.1.4 Closing the Transducer End of The Release ................17 4.1.5 Purging the Device and Sealing The Port LF-SD: Leak and Condensation Prevention ... 21 Arming The PORT LF-SD ......................22 Acoustic Air Testing ........................24 4.3.1 Test Setup ..........................
- Page 13 Spares Kit ............................ 38 O-Ring Kit ............................ 38 PORT LF-SD Tandem Kit Option ....................39 PORT LF-SD Strongback Option ....................42 PORT LF-SD Pop-Up Option ......................44 A.5.1 Pop-Up Assembly ........................44 A.5.2 Line Packing Considerations ....................44 A.5.3 Line Packing Procedure ......................
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Page 14: List Of Figures
Figure 2-1: PORT LF-SD PCB Connectors ....................... 3 Figure 2-2: Standard Port LF-SD ICD ......................7 Figure 2-3: PORT LF-SD Callout Assembly Drawing Page 1 of 3 ..............8 Figure 2-4: PORT LF-SD Callout Assembly Drawing Page 2 of 3 ..............9 Figure 2-5: PORT LF-SD Callout Assembly Drawing Page 3 of 3 .............. - Page 15 Figure 5-17: While Installing the New Battery, Ensure the Cable is at the Top .......... 33 Figure 5-18: Replace the Three Screws to Attach the Battery Retainer Plate ..........33 Figure 5-19: PORT LF-SD Transducer End Cap O-Rings ................34 Figure 5-20: PORT LF-SD Release End Cap O-Rings ..................34 Figure 5-21: Disconnecting the Transducer Cable ..................
- Page 16 Figure 5-34: PORT LF-SD Flotation Pop-Up Assembly Drawing - 0015784 ..........52 Figure 5-35: PORT LF-SD Pop-Up Canister 200M Assembly – 0010838 ............53 Figure 5-36: PORT LF-SD PORT LF-SD Pop-Up Canister 200M Drawing - 0015749 ........54 PORT LF-SD...
- Page 17 LIST OF TABLES Table 2-1: Standard PORT LF-SD Mechanical Specifications ................. 3 Table 2-2: Command Receiver Acoustic Specifications ................4 Table 2-3: Allowed BACS Tone Pair Breakdown ................... 5 Table 2-4: Standard Command Functions ..................... 5 Table 2-5: Transponder Specifications ......................5 Table 2-6: Power Specifications ........................
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Page 18: Overview
Figure 1-1: PORT-LF-SD commands and receive information. The PORT LF-SD is very versatile. It is designed for use as an instrument location and recovery system on oceanographic moorings and platforms. Additionally, the precision, high-output power transponder feature makes this instrument ideal for use in Long Baseline (LBL) Positioning and Navigation Systems. -
Page 19: Basic Functionality
The RELEASE command causes the instrument's threaded release shaft to rotate and push off a threaded release link. While releasing, the PORT LF-SD will ping once for every rotation of the release shaft. This confirms that the shaft is turning and the release link is being pushed off. Once the threaded link is completely pushed out, the instrument is free. -
Page 20: Specifications
2.0 SPECIFICATIONS Specifications for the PORT LF-SD are provided in the subsections that follow. 2.1 Mechanical Specifications SPECIFICATION VALUE Depth Rating 3,500 m (11,480 ft) Maximum Release Threshold 250 kg (550 lb) Maximum Static Load 750 kg (1,650 lb) Overall Length 71.8 cm (28.3 in) -
Page 21: Acoustic Specifications
The 8011M and PACS LF deck box firmware must be up to date to send these commands. 8011M firmware should be 1.701 or later, and the PACS LF should be 2.01 or later. Contact EdgeTech CUSTOMER SERVICE for details on updating the firmware on your deck box PORT LF-SD 0010189_REV_G... -
Page 22: Bacs Command Coding
2.3.4 BACS Command Coding TONE PAIR NUMBER “0” (VALUE IN kHz) “1” (VALUE IN kHz) 10.3 10.7 10.3 10.7 10.3 10.7 Table 2-3: Allowed BACS Tone Pair Breakdown 2.3.5 Standard Command Functions SPECIFICATION VALUE ENABLE Enable Transponder DISABLE Disable Transponder RELEASE Activate mechanical release Table 2-4: Standard Command Functions... -
Page 23: Power Supply Specifications
2.3.7 Power Supply Specifications The PORT LF-SD uses a welded alkaline Battery Pack as a power supply. Specifications for this battery pack are shown in the following table: SPECIFICATION VALUE Main Supply 5V regulated Quiescent Current Drain 330 µA Design Life (@ 0° C) 1.25 years... -
Page 24: Figure 2-2: Standard Port Lf-Sd Icd
Figure 2-2: Standard Port LF-SD ICD... -
Page 25: Figure 2-3: Port Lf-Sd Callout Assembly Drawing Page 1 Of 3
Figure 2-3: PORT LF-SD Callout Assembly Drawing Page 1 of 3... -
Page 26: Figure 2-4: Port Lf-Sd Callout Assembly Drawing Page 2 Of 3
Figure 2-4: PORT LF-SD Callout Assembly Drawing Page 2 of 3... -
Page 27: Figure 2-5: Port Lf-Sd Callout Assembly Drawing Page 3 Of 3
Figure 2-5: PORT LF-SD Callout Assembly Drawing Page 3 of 3... -
Page 28: Installation
3.2 Acoustic Considerations Efforts should be made to ensure a clear acoustic path between the PORT LF-SD transducer and the source (typically a dunking transducer from a deck unit). Structural elements of a mooring system, which have significantly different acoustic impedance than seawater, will cause absorption or reflection of acoustic signals that will degrade the unit's operation. -
Page 29: Mechanical Considerations
3.5 Monitoring Tilt With Status Reply The PORT LF-SD is equipped with sensors that monitor the system's tilted or not tilted orientation and release shaft rotation. This information allows the unit to send a coded status reply based on the instrument's orientation and to emit one ping each time the release shaft completes a rotation. -
Page 30: Operating Instructions
4.0 OPERATING INSTRUCTIONS The Port LF-SD is ready for use once power is connected. It is simple to operate, requiring only a deck box and a dunking transducer to communicate with it. Instructions for opening the Port LF-SD, connecting power, closing it, and sealing it are below. Deck Box manuals are found on the EBSITE 4.1 Turning the PORT LF-SD on by Connecting the Power... -
Page 31: Removing The Transducer End Of The Release
3. Remove the Kynar retaining rod (white plastic rod) from the transducer end by gripping the end of the rod with pliers or your fingers and pulling it from the release 4-3). IGURE Kynar Rod Figure 4-3: Removing Kynar Rod From the Release PORT LF-SD 0010189_REV_G... -
Page 32: Figure 4-4: Pulling The Transducer End Cap From The Housing
4. Pull the transducer end cap free from the housing, as shown in 4-4. You may need to work IGURE it side-to-side to get it started, but the transducer end should slide out easily once the initial resistance is overcome, exposing the electronics board and cabling. WARNING! Separate the transducer end from the housing by gently pulling them apart. -
Page 33: Connecting Power
4.1.3 Connecting Power CAUTION: EdgeTech suggests using a grounded wrist strap to protect the electronics board from static electricity when handling it. The electronics board assembly and battery pack are mounted to an aluminum chassis attached to the release end cap. A cable with a connector is used to connect the battery pack to the PCB board. -
Page 34: Closing The Transducer End Of The Release
Kynar rod pulled out during disassembly. Preparation: 1. Ensure the O-rings and O-ring surfaces are clean and lightly greased with silicone grease. Use silicone grease only. EdgeTech recommends using Parker’s Super O-lube. See 5.4 O-R ECTION INGS of this manual for detailed instructions on O-ring care and service. -
Page 35: Figure 4-9: Run Motor And Battery Cabling Through Retention Plate Groove
1. Gently guide the transducer end cap with attached electronics chassis back into the release housing, taking care not to damage the sealing surface of the housing or pinch any cables, as shown in 4-10. IGURE IGURE Figure 4-10: The Transducer End Entering the Housing PORT LF-SD 0010189_REV_G... -
Page 36: Figure 4-11: The Proper Alignment Of The Orientation Key And Housing Insert
a. As you guide the end cap in, align the end cap’s orientation key to the housing’s insert to mate, as shown in 4-11. IGURE End Cap Orientation Key Housing Insert Figure 4-11: The Proper Alignment of the Orientation Key and Housing Insert b. -
Page 37: Figure 4-13: Inserting The Kynar Retaining Rod Into The Slot
IGURE comes out the other end of the slot, as shown in 4-14. IGURE Kynar Rod Figure 4-13: Inserting the Kynar Retaining Rod into the Slot Figure 4-14: The Kynar Retaining Rod Fully Inserted into the Slot PORT LF-SD 0010189_REV_G... -
Page 38: Purging The Device And Sealing The Port Lf-Sd: Leak And Condensation Prevention
4.1.5 Purging the Device and Sealing The Port LF-SD: Leak and Condensation Prevention The PORT LF-SD must have its atmosphere purged and properly sealed to detect leaks and Purge Port Plug prevent condensation. The PORT LF-SD has a 5/16-inch diameter purging port on the bottom (release end) end cap that gives access. -
Page 39: Arming The Port Lf-Sd
Figure 4-16: Installing Anti-Rotation Block By Threading the [2] Nylon Screws 7. At this point, it is good practice to perform an air acoustic test of the system by running through the command set for the PORT LF-SD. Refer to this manual’s section for... -
Page 40: Figure 4-18: Thread Release Link Onto The Release Shaft
3. Grease the threads on the shaft and inside the link with silicone grease. 4. Thread the release link onto the release shaft until it bottoms out, then unscrew it ¼ turn. Release Link Figure 4-18: Thread Release Link onto The Release Shaft 5. -
Page 41: Acoustic Air Testing
4.3 Acoustic Air Testing This section describes the acoustic air testing to ensure the proper function of the PORT LF-SD before deployment. 4.3.1 Test Setup The specific acoustic impedance of air is quite different from that of seawater, which renders the transducer a far less efficient receiver when out of water. -
Page 42: Post Deployment
A visual inspection of the Housing and release mechanism should be performed to detect any signs of damage, excessive wear, corrosion, etc. If the PORT LF-SD will not be used again soon, the unit should be turned off by disconnecting the batteries to preserve battery life. -
Page 43: Maintenance
5.0 MAINTENANCE The PORT LF-SD is a durable instrument that requires minimal maintenance. Regular maintenance tasks should include pre-deployment preparations and checks and post-deployment cleaning. Larger Important but less frequent tasks include battery replacement, O-ring care and maintenance, general cleaning, inspection, and lubrication of operational elements. -
Page 44: Figure 5-2: Unplug The Transducer Cable From The Pcb Header Jp1
CAUTION: EdgeTech suggests using a grounded wrist strap to protect the electronics board from static electricity when handling it. 1. Remove the Purge Port Plug from the release end of the PORT LF-SD, as described in manual section 4.1.1 R... -
Page 45: Figure 5-4: Release End Cap Carefully Pulled Away From The Release Housing
Figure 5-4: Release End Cap Carefully Pulled Away from the Release Housing Figure 5-5: Release End Cap Detached from The Release Housing 5. The unit is now completely disassembled. Any maintenance or part inspection can now be completed. Faulty, questionable, or worn parts should always be replaced. PORT LF-SD 0010189_REV_G... -
Page 46: Port Lf-Sd Assembly
Suggested tools: Pliers, Phillips Screwdriver Preparation: CAUTION: EdgeTech suggests using a grounded wrist strap to protect the electronics board from static electricity when handling it. CAUTION! The release end should be put back into the housing first to ensure no damage to cables and internal components occurs. -
Page 47: Figure 5-8: Line The End Cap And Housing Up Using The Key And Guide The Transducer End Cap Into The
3. While holding the release in place, insert the Kynar rod back into the slot until it comes out the other end of the slot, as shown in 5-10. IGURE Figure 5-10: Release End Kynar Rod Installation PORT LF-SD 0010189_REV_G... -
Page 48: Battery Replacement
REVENTION 5.3 Battery Replacement The PORT LF-SD uses a welded battery pack of standard “AA” alkaline batteries located internally on the release end. The release’s transducer end must be opened with the electronics chassis exposed to unplug the battery and motor cabling, remove the old battery pack, and install a replacement. The release will then need to be reassembled, purged, and sealed. -
Page 49: Figure 5-13: Battery Replacement: Unplugging The Motor And Power Cables From The Pcb
Retainer Plate with Rounded Groove screws that hold the battery retainer plate in 5-13). place, as shown in IGURE 6. Remove the old battery pack by sliding it out and disposing of it properly. Figure 5-14: Battery Pack Assembly PORT LF-SD 0010189_REV_G... -
Page 50: Figure 5-15: The Three Screws Holding The Battery Retainer Plate In Place
[3] Retainer Plate Screws Figure 5-15: The Three Screws Holding the Figure 5-16: Remove the Old Battery Pack Battery Retainer Plate in Place 7. Insert a new battery pack oriented so the wiring will fit through the round groove in the retainer 5-14 5-17). -
Page 51: O-Rings
Figure 5-20: PORT LF-SD Release End Cap O-Rings 5.4.1 O-Ring Care and Considerations PORT LF-SD end cap assemblies use O-rings to provide watertight integrity to the electronics housing. Under normal usage, with proper care and lubrication, the O-ring should provide several years of usage. -
Page 52: Additional O-Rings
Inspect for scratches or nicks that could impair the O-ring’s ability to provide a seal. Apply a light coat of O-ring lubricant (EdgeTech recommends Parker’s Super O-lube; be sure to use only silicone grease) to the housing and O-ring to facilitate insertion of the end cap. Make sure the lubricant is compatible with Nitrile rubber. -
Page 53: Inspection Particulars
5.6 EdgeTech Product Suggestions Kynar Retention Rods: EdgeTech recommends protecting the Kynar retention rods’ glands from sediment accumulation before deployment. Field trials show these glands can become tightly packed with fine sediment under certain environmental conditions. The buildup of this sediment can make Kynar retention rod removal difficult. - Page 54 EdgeTech recommends covering the glands by wrapping 2” electrical tape around the housing to prevent this. If a Kynar retention rod is difficult to remove and sediment egress is suspected, soak the instrument in warm water to soften the sediment. When trying to remove the rod, pull the tangent to the housing.
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Page 55: Port Lf-Sd Kits And Options
A.0 PORT LF-SD Kits and Options A.1 Spares Kit PART NUMBER DESCRIPTION QUANTITY 0008467 REV D ASSY TOP KIT SPARES PORT MFE /LF-SD 0005939 O-RING BUNA-N 70 2-148 STANDARD ROUND BLACK 0005955 O-RING BUNA-N 90 8-240 BACKUP PARBAK ROUND BLACK... -
Page 56: Port Lf-Sd Tandem Kit Option
When a tandem is used with a mooring, it can be recovered by releasing either PORT LF-SD release. In the event of a failure of the mooring to detach from the anchor, the RELEASE command can be sent to both PORT-LF-SDs, freeing both from the oblong ring and chain assembly. -
Page 57: Figure 5-23: Port-Lf-Sd Tandem Kit Assembly Icd
Figure 5-23: PORT-LF-SD Tandem Kit Assembly ICD 0010189_REV_G... -
Page 58: Figure 5-24: Port-Lf Strongback Tandem Kit Assembly Icd
Figure 5-24: PORT-LF Strongback Tandem Kit Assembly ICD... -
Page 59: Port Lf-Sd Strongback Option
The strongback portion of the unit increases the lift load rating to support heavy mooring deployments. The Strong Back option for the PORT acoustic release increases the release rating of a PORT LF-SD to 2,500 pounds (1,136 kg) and the lifting load to 3,500 pounds (1,590 kg). -
Page 60: Figure 5-25: Port-Lf-Sd Strongback Kit Icd
Figure 5-25: PORT-LF-SD Strongback Kit ICD... -
Page 61: Port Lf-Sd Pop-Up Option
A.5 PORT LF-SD Pop-Up Option The PORT LF-SD can be optionally configured as a pop-up buoy system. This configuration allows the unit to float to the surface upon detaching from a payload. A.5.1 Pop-Up Assembly A PORT LF-SD Pop-Up configured system is typically ordered and shipped completely assembled and configured. -
Page 62: Line Packing Procedure
1. Ensure that the line to be used is of proper strength and is of the proper material for the application. EdgeTech recommends a premium double-braided nylon rope. 2. Attach the end of the line to the outside and inside of the bucket with plastic zip ties, and attach the end of the line to the chain at the bottom of the bucket with a shackle, as pictured below. -
Page 63: Pop-Up Assembly
Pop-up system. A.5.4 Pop-Up Assembly 1. Install the top collar on the PORT LF-SD release by sliding it on the release end up to the transducer. Do not tighten the clamp. This will be done when the Pop-up assembly is completed. -
Page 64: Figure 5-29: The Port-Lf-Sd Transducer With Clamp
Figure 5-29: The PORT-LF-SD Transducer with Clamp Loose Clamp Figure 5-30: Installed PORT-LF-SD to Pop-Up... -
Page 65: Figure 5-31: Inserting Release Into The Top Cup From Above
316SS hose clamp. DO NOT OVERTIGHTEN. a. The anti-slip ring functions as a catch in the unlikely case that the pop-up is overturned on ascent. It holds no load during standard operation. Clamp Anti-Slip Ring Figure 5-32: Installing Anti-Slip Ring PORT LF-SD 0010189_REV_G... -
Page 66: Figure 5-33: Bolting Release To Pop-Up Bottom Cup
EdgeTech recommends utilizing the small holes lining the lip notch with light-duty zip ties to secure the line tightly to the outside of the cup. -
Page 67: Pop-Up Kits
0019077 DOC DRAWING ICD PORT POP-UP CANISTER 200M RATED 0020174 ASSY TOP MANUAL PORT LF-SD / PORT MFE POP-UP HARDWARE 0026198 BOX SHIPPING POP-UP 36 INCH X 16 X 16 INCH CARDBOARD Table 5-5: PORT LF-SF Pop-Up Canister 200-Meter Kit... -
Page 68: Table 5-6: Port Lf-Sf Pop-Up Canister 400 Meter Kit
PART NUMBER DESCRIPTION QUANTITY 0015076 REV E ASSY TOP KIT PORT POP-UP CANISTER 400M RATED 0009489 CUP BOTTOM PORT POP-UP 0015059 CUP TOP PORT POP-UP W/ FOAM 400M RATED 0019581 CLAMP PORT POP-UP DELRIN 0010612 STRIP NEOPRENE 60A 0.25 INCH THICK 01 INCH WIDE .092 Feet HARDWARE SCREW STD SET SOCKET HD HEX 1/4-20 0.75 INCH 18-8 SS 0013898... -
Page 69: Pop-Up Up Mechanical Drawings
A.5.6 Pop-up Up Mechanical Drawings Figure 5-34: PORT LF-SD Flotation Pop-Up Assembly Drawing - 0015784... -
Page 70: Figure 5-35: Port Lf-Sd Pop-Up Canister 200M Assembly - 0010838
Figure 5-35: PORT LF-SD Pop-Up Canister 200M Assembly – 0010838... -
Page 71: Figure 5-36: Port Lf-Sd Port Lf-Sd Pop-Up Canister 200M Drawing - 0015749
Figure 5-36: PORT LF-SD PORT LF-SD Pop-Up Canister 200M Drawing - 0015749...
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