NexSens CB-150 Data Buoy, User Manual

Page 1: ...CB 150 Data Buoy User Guide Last Revision 8 October 2021 Date Generated 25 October 2021 Copyright 2021 NexSens Technology Inc...

Page 2: ...Connector Assembly Wiring UW6 BULK Pinout Wiring Options M550 Beacon for CB Series Data Buoys Installation Operation CB Series Data Buoy Instrument Cage Installation CB CCA Anti Rotation Collar Use of...

Page 3: ...y Voltage of a CB Series Buoy Replace a Battery in a CB Series Data Buoy Battery Removal New Battery Installation Test a CB Series Buoy Solar Tower Data Buoy Storage Requirements 5 Warranty 35 36 36 3...

Page 4: ...with a durable polymer outer layer and rugged stainless steel frame providing a net buoyancy of 150 lb 68 kg Three 2 passthrough holes with female NPT bottom threads allow for quick connection of inst...

Page 5: ...s and install connectors into Solar Tower Three 10W solar panels on the solar tower capture sunlight from any direction and charge batteries located inside the data well The tower also supports the mo...

Page 6: ...e key specifications of the CB 150 buoy are given below Hull Outer Diameter 24 0 61 0cm Hull Height 14 0 35 6cm Data Well Inner Diameter 10 3 26 2cm Data Well Height 13 5 34 2cm Pass Through Hole Diam...

Page 7: ...tarting point the mooring data buoys guide provides an overview of common mooring strategies However NexSens does not endorse any particular mooring strategy and systems should be designed and execute...

Page 8: ...of heavy equipment Important factors to consider for personnel safety are Use of safety equipment i e life jackets gloves steel toed boots etc Proper lifting and mooring techniques Awareness of on si...

Page 9: ...topside wet mate sensor connectors for standalone operation or installed in the CB 25 platform 3 X2 CB Buoy Mounted Data Logger waterproof lid mounted package for integration on CB Series data buoys...

Page 10: ...50 only 2 CB A05 x contains one to four 28 A Hr batteries depending on buoy capacity see table below The following table shows what battery harness models each CB Series data buoy model has capacity f...

Page 11: ...solar regulator systems in the data well The bottom of the data well has two welded standoffs for connection of battery mount posts and hardware for securing user supplied batteries including mounting...

Page 12: ...ion of user supplied sensors Instructions for installation and use of these bulkhead connector cables is available here Securing Data Well Plate Any time the data well plate will be resealed first ver...

Page 13: ...the bulkhead for external antenna connection and 1m pigtail cable with SMA male connector for connection to a modem placed inside the watertight data well UW sensor bulkhead connector assemblies UW BU...

Page 14: ...and Double check that all O rings are present when doing so 3 Feed the bulkhead cable through the open space created by removing the UW bulkhead plug Once again make sure the O ring seals are present...

Page 15: ...the Allen wrench in the first step to secure in place but do NOT overtighten 5 Once installed the nut may be secured using Marine Goop or equivalent sealer to prevent the nut from slipping Tighten bul...

Page 16: ...a UW 6 power bulkhead connector UW6 BULK port Information regarding the port pinout and different options for wiring power to user supplied electronics is supplied below For installation instructions...

Page 17: ...ocally Molex Wire Solar Regulator Connection Battery Terminal Connection Yellow Solar Black Common GND Negative GND Orange Battery Red Positive V The internal jumper inside the solar panel connector d...

Page 18: ...ow color and default 15 flash minute pattern Model M550 F Y Installation While it typically comes pre installed the M550 can easily be removed and or installed by the user Reference the M550 Installat...

Page 19: ...ammer that is normally provided with the beacon The IR programmer can be used to perform the following functions Turn beacon on and off Check the battery pack charge status Change the flash pattern Ch...

Page 20: ...s standard with the others Model number CAGE L is 44 112 cm in length and has a wider profile It comes standard with CB 650 CB 950 and CB 1250 buoys The cage is a critical component of the ballast wei...

Page 21: ...single bolt connection is sufficient for small buoys in calm waters However a CB CCA Buoy Cage Anti Rotation Collar may be used for added security in rough waters or when suspending sensor strings fr...

Page 22: ...e anode material because it is a readily available metal with a lower reduction potential 0 76V than the steel of the buoy frame This offers the steel what is known as cathodic protection where oxidat...

Page 23: ...st common meteorological sensors deployed on buoys Airmar WX Series Weather Sensors Gill MaxiMet Weather Sensors LI COR Terrestrial Light Sensors Lufft WS Series Weather Sensors METER ATMOS Weather Se...

Page 24: ...Sensor Mount MC 600 Instrument Mooring Clamp Underwater PAR Sensor Mounting Arm YSI EXO Sonde Mooring Clamps Profiling Instrument Mounts Mounting brackets for commonly used current meters and profiler...

Page 25: ...anchors etc Before deploying a buoy system some experimentation may be required to balance the system properly Top Side Weight Top side weight is any weight mounted on the buoy above the water surface...

Page 26: ...es a deeper location for mounting additional weight For single point mooring configurations mooring chains and lines connected to the bottom of the cage may provide adequate ballast For multi point co...

Page 27: ...tional loading e g high wind waves periodic snow ice loads etc For information on NexSens CB Series buoy ballast weight recommendations follow the link below NexSens CB Series Buoy Ballast Weights Fig...

Page 28: ...standard with either 1 2 galvanized chain CB 25 CB 25 SVS or an installed steel instrument pipe CB 40 for ballast Model Buoyancy lbs Minimum Recommended Ballast Weight lbs 1 CB 25 SVS 25 CB 25 25 CB...

Page 29: ...t handled by adding weight to the bottom of the buoy and not relying on the mooring weight to act as ballast Additionally the weight associated with biofouling growth can impact the buoy buoyancy and...

Page 30: ...deployments can be designed with all chain or a combination of heavy bottom chain and light water column chain Deeper water moorings may need to use a combination of chain and rope Example catenary m...

Page 31: ...ons where the floatation may not be adequate to support the mooring weight Extra floatation can also free motion for wave measurement applications or offer additional resistance to horizontal loading...

Page 32: ...the buoy listing to one side Damage can result with topside equipment and solar panels becoming submerged Additional surface or subsurface floatation may be required Depiction of horizontal loading r...

Page 33: ...ese moorings are useful for suspending sensor lines by pulling the mooring lines free and clear Rough water shifting bottom or horizontal loads can tangle two point moorings and lead to chafing and ca...

Page 34: ...ats and weights on the mooring lines create an S shape which provides spring action in the water column Waves and water level changes are easily managed This mooring type is most common on deep water...

Page 35: ...e voltage between pins 3 V and 4 GND on the SOLAR port Healthy SLA battery voltage is 12 0 14 9V SLA batteries which have fallen below 10V should be replaced while batteries between 10 12V should be c...

Page 36: ...ll obstructions as a clogged vent can cause high pressure combustible gas build up in the well due to outgassing from the batteries DO NOT use power tools to remove the plate Tools Required Electrical...

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Page 38: ...tors This will expose the data well where the battery and solar regulator are installed 5 Remove the foam coverings to expose the battery harness 6 Remove the two nut lock washer and flat washer pairs...

Page 39: ...me of the wedged foam surrounding it in the event it does not easily lift out 3 Remove the ring terminal cables from the original battery terminals using a 10mm socket wrench Keep the terminal bolts a...

Page 40: ...hreaded rod and lower it until it is resting on top of the new battery c Tighten down each ring terminal from the solar regulator to its corresponding battery terminal using a 10mm socket wrench make...

Page 41: ...using a 9 16 socket wrench and the original set of bolts and lock washers tightening in a cross pattern as shown below 4 Re attach the buoy solar panel 5 Using a voltmeter measure the voltage between...

Page 42: ...ify all panels are clear of debris 2 Use cardboard or cloth to shade two of the three solar panels on the buoy and move the tower into sunlight 3 Record the DC voltage observed between Pins 2 V and 3...

Page 43: ...ch isolated panel The expected output for each size panel in full sun and in a horizontal orientation is listed below Note that the observed output will normally be somewhat lower due to the angle at...

Page 44: ...7 If one or more of the three panels show lower than expected voltage or current output inspect the surface of panel for visible damage Measuring DC Amperage on a CB 450 tower panel 44...

Page 45: ...y s SOLAR port as soon as the buoy is removed from service a The solar panel cable plug has an internal jumper that acts as a switch to supply on board electronics with power If the solar panel cable...

Page 46: ...d port connections a Inspect all sensor ports and cable connections ensuring all O rings are present and there are no signs of moisture or damage b Cover all logger or cable receptacle ports with a UW...

Page 47: ...chnology Inc product damage or failure caused by failure to install operate or use the product in accordance with NexSens Technology Inc written instructions abuse or misuse of the product failure to...