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Above is a screen shot of the Vessel/Engine Monitor. It has 5 gauges to display analog inputs, 2 dials for frequency or period inputs and 2 annuciators to show alarm states and durations. A simulated VCR panel controls data logging and playback. The Data Display Window shows incoming measured data or operator comments during playback mode. Vessel and/or engine sensor data is collected at the Interface Unit, which connects directly to existing vessel gauges or aftermarket sensors. Analog (voltage) inputs are scaled by user settable jumpers inside the Interface Unit. Pulsed (frequency/period) inputs are filtered by the unit before measurement by the VS52(U). The C-port display software is based upon a simulated dashpanel. Setup windows allow the user to configure the ranges, colors, labels and scale factors as desired. Data logging and playback are also provided, and logged data can be imported into Excel for further analysis and graphing. A data window at the bottom of the panel shows the incoming data sentences. This is very useful during setup, calibration, and troubleshooting. |
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The VS52(U) is also a 4-input NMEA 0183 mutiplexer for combining multiple instruments
into a single output for use by a PC or other instruments. Data originating in the PC
(waypoints, steering commands, etc.) is converted into NMEA 0183 and available at the "TLK"
terminals. The Vessel/Engine Monitor is available with either of two diffent PC interfaces. The VS52 has an RS-232(DB-9) interface, while the VS52U has a USB interface.
Supply voltage/current - 10-30Vdc/ 50mA. typ. NMEA IN drive(IN1-IN4) - 2-14V (active state) NMEA IN impedance - 1K Ohms (min.) Input baud rate - 4800 (9600 selectable) NMEA OUT,TLK drive - 3.5V @ 50ma. RS-422 Output baud - 4800 (9.6K-38.4K selectable) Analog in range(A1-A5) - 0-5 to 0-30V, select. Analog in resolution - 0.1% (10-bit) Frequencyhi range/res. - 10-9990Hz./ 10Hz. Frequencylo range/res. - 2-998Hz./ 2Hz. Period in range/res.(P1,P2) 1-2000 ms./ 1ms. Size/weight - 3.75"x3.0"x1.0"/ 12oz. |
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2008 NoLand Engineering
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