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Version vom 10. April 2013, 17:25 Uhr

For logging the water depth, users need a black box for doing this...

There are several systems of navigation instruments on board:

1. NMEA-0183 with single GPS and single sounder
2. NMEA-0183 export from a chart plotter, with connected GPS and sounder
3. NMEA-2000 with connected GPS and sounder
4. Chart plotters writing to an SD-card, (W)LAN or USB, with connected GPS and sounder

We need two HW-Loggers:

NMEA-0183
NMEA-2000

Skipper with PC and NMEA-0183 can use our SW-Logger (plus RS-232>USB converter).

NMEA-0183 HW-Logger

Nr what for Connector Remarks
2 NMEA-0183 input Lüsterklemme 2-channel, opto coupler
1 SD-card output slot
1 12 V power Lüsterklemme 5..30 V? <100 mA
1 Accelerometer internal
1 Pulse generator internal Time stamping the sounder- and accelerometer data
1 Battery internal Buffering power interruption. Goldcap?
Processing
Listening to the two ports and the accelerometer
Time stamping the sounder- and accelerometer data by GPS-time plus pulse generator
Merging the data
Writing the merged data continuously into a file to the SD-chard
Starting new files
Handling of powerdown (closing the file)
Body
Standard (no IPx)
Mountable by 2 screws on wood
3x2 Lüsterklemme, 1x SD-Card-slot
3 LED

NMEA-2000 HW-Logger

Nr what for Connector Remarks
1 NMEA-2000 input MicroC opto coupler
1 SD-card output slot
1 12 V power Lüsterklemme 5..30 V? <100 mA
1 Accelerometer internal
1 Pulse generator internal Time stamping the sounder- and accelerometer data
1 Battery internal Buffering power interruption. Goldcap?
3 LED operation indicator
Processing
Listening to the NMEA-port and the accelerometer
Time stamping the sounder- and accelerometer data by GPS-time plus pulse generator
Merging the data
Writing the merged data continuously into a file to the SD-chard
Starting new files
Handling of powerdown (closing the file)
Body
Standard (no IPx)
Mountable by 2 screws on wood
1x2 Lüsterklemme, 1x MicroC, 1x SD-Card-slot
3 LED

Ideas

see discussion page...