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CB-250 Data Buoy

User Guide

Last Revision: 2 February 2022

Date Generated: 14 February 2022

Содержание CB-250 Data Buoy

Страница 2: ...6 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 Sacrificial Anodes on CB Se...

Страница 3: ...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 34 34 36 40 42 44 3...

Страница 4: ...ter layer and rugged stainless steel frame providing a net buoyancy of 250 lb 114 kg Three 2 passthrough holes with female NPT bottom threads allow for quick connection of instrument deployment pipes...

Страница 5: ...s and install connectors into Solar Tower Three 15W 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...

Страница 6: ...e key specifications of the CB 250 buoy are given below Hull Outer Diameter 30 0 76 2cm Hull Height 20 0 50 8cm Data Well Inner Diameter 10 3 26 2cm Data Well Height 19 5 49 5cm Pass Through Hole Diam...

Страница 7: ...NexSens does not endorse any particular mooring strategy and systems should be designed and executed based on careful consideration and local knowledge of the deployment site Electrical connections Ma...

Страница 8: ...e life jackets gloves steel toed boots etc Proper lifting and mooring techniques Awareness of on site and surrounding weather conditions and advisories Despite careful planning unforeseen situations a...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 13: ...oy data wells capped with CB PTL pass through lids or blank lids with user drilled holes It consists of an N style female connector integrated on the bulkhead for external antenna connection and 1m pi...

Страница 14: ...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...

Страница 15: ...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...

Страница 16: ...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...

Страница 17: ...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...

Страница 18: ...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...

Страница 19: ...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...

Страница 20: ...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...

Страница 21: ...on buoys Airmar WX Series Weather Sensors Gill MaxiMet Weather Sensors LI COR Terrestrial Light Sensors Lufft WS Series Weather Sensors METER ATMOS Weather Sensors Vaisala WXT Series Weather Sensors M...

Страница 22: ...amp Underwater PAR Sensor Mounting Arm YSI EXO Sonde Mooring Clamps Profiling Instrument Mounts Mounting brackets for commonly used current meters and profiler ADCP instruments Nortek Aquadopp Buoy In...

Страница 23: ...es buoys is near the water surface without instruments connected Therefore any top side weight added above the water s surface e g sensors sensor mounts must be appropriately counterbalanced by ballas...

Страница 24: ...example suppose a weather sensor is mounted 36 above the water surface Figure 2 In that instance the sensor mount will cause more buoy instability than mounted 24 above the surface Figure 3 As a resul...

Страница 25: ...int configurations the mooring hardware does not contribute to the ballast weight If needed add inch galvanized chain 2 3lb ft to the bottom of the cage or utilize NexSens 25lb ballast weight that can...

Страница 26: ...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...

Страница 27: ...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...

Страница 28: ...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...

Страница 29: ...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...

Страница 30: ...sulting in 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...

Страница 31: ...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...

Страница 32: ...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...

Страница 33: ...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...

Страница 34: ...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...

Страница 35: ...buoy plate off of the data well Disconnect the 6 pin UW plug running between the solar regulator and the X2 CB and protect the connectors This will expose the data well where the battery and solar reg...

Страница 36: ...a 10mm socket wrench Immediately cover the loose cable end with electrical tape to prevent it from contacting the data well and short circuiting a Repeat this step for the other battery terminal and c...

Страница 37: ...e second then third and fourth batteries if applicable attaching the previous battery s ring terminal cable to the corresponding battery terminal above it each time 3 For all Systems a Once the final...

Страница 38: ...of the X2 CB 2 Align the X2 CB or pass through plate with the mounting holes on the buoy and verify that the large O ring is in good condition clear of debris and lightly greased 3 Reattach the plate...

Страница 39: ...6 Connect the 6 pin solar panel plug to the buoy s SOLAR port to reapply power to the data logger UW 6 SOLAR port receptacle pinout for X2 CB data loggers and CB PTL pass through lids 39...

Страница 40: ...r 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 GND of the solar tower...

Страница 41: ...n and in a horizontal orientation is listed below Note that the observed output will normally be somewhat lower due to the angle at which each panel is mounted to the tower and atmospheric conditions...

Страница 42: ...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...

Страница 43: ...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...

Страница 44: ...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...

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