The NexSens MB-100S data buoy ships fully assembled. Common accessories such as the SDL500 data logger and single point mooring hardware may require some user assembly.

The solar assembly hood must be removed to get started. To do this, loosen and remove the three threaded nuts that secure the hood to the frame. If an SDL500 is included with the system, use the 3/16” Allen wrench provided with the SDL maintenance kit for additional leverage if necessary.

 

Removing Threaded Nut from the MB-100S to Allow For Hood Removal

Figure 1: Removing a threaded nut from the MB-100S to allow for hood removal

 

After removing the 3 threaded nuts, carefully lift and tilt the hood off of the hull to gain access to the central buoy well. This is where and SDL500 data logger can be installed.

Pre-deployment Test

Prior to deployment, it is essential to test the monitoring system (sensors, data logger, and telemetry) on shore. This will allow users to familiarize themselves with the system and confirm proper operation.

Connecting Solar Panels to the Batteries

Prior to deployment the solar panels must be connected to the batteries. To do this, simply screw the UW-Receptacle connector coming from the battery to the UW-Plug coming from the solar panels.

 

MB-100S Solar Panel to Battery Connection

Figure 2: Connecting solar panels to batteries

Install SDL500 Data Logger

Remove the orange rubber o-ring from the bottom (gray) end of the data logger.

 

SDL500 with bottom orange o-ring removed

Figure 3: SDL500 with bottom orange o-ring removed

 

Insert the SDL500 into the central well of the data buoy so that the white battery lid is on the topside of the buoy.

Power the Data Logger

Connect the remaining UW-plug cable to the top of the SDL500 to provide power.

To install the backup internal D-cell batteries, un-thread the battery lid from the SDL500 communication bulkhead. Insert eight D-Cell alkaline batteries into the data logger. Due to the recess on the negative end of some Alkaline batteries, Duracell-brand batteries are recommended for proper connection.  Note that the correct polarity shown on the labels just inside the battery tubes. The SDL500 is equipped with reverse polarity protection, so no damage will occur if the batteries are inserted incorrectly. See the appropriate SDL500 manual for additional information.

 

InstallingBatteriesintheSDL500

Figure 4: Installing batteries in an SDL500

Connect Sensors

Connect sensors to the SDL500 sensor bulkhead. Refer to the appropriate SDL categories and sensor interface manuals for additional information including port recommendations.

Confirm Data Collection & Transmission

Launch iChart software and confirm that the SDL500 and sensors are communicating properly. Refer to the appropriate data logger and iChart categories for additional information as required.

The pre-deployment check is complete. The buoy, data logger and sensors can now be prepared for deployment.

 

REV: 13C06

 

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