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NM-251B Speed Log pulses to NMEA-0183 Converter (User Guide)
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Price ... 240.00 EURO
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Supply Voltage
9 to 35 Vdc
Power Supply Protection
PTC Resetable Fuse
Vmax: 60V, Imax: 40A, Ihold: 0,25A (23°C),
Itrip:0,5A (23°C), Max time to trip (23°C): 2,2sec for 1,25A
Current Consumption
50mA in idle state/ 150mA in full output mode
Inputs
1 x closing contact analog interface, optically isolated
Common Mode Rejection: 10kV/usec
Isolation: 480 Vrms
Input Resistance
1 KOhm
Outputs
5 x buffered RS-422/TTL (general purpose)
1 x RS-232
Output NMEA Sentence Format
$VWVHW,,T,,M,x.x,N,x.x,K*<CS>
Output protection
Buffered for all RS-422 outputs
LOG input
100/200/300/400/500 ppm (user selectable)
Speed for NMEA outputs
4.800/8/N/1
Indicators
Input (Ina) – LOG input
Input (Inb) – Not available
Data transmission from output ports 1 and 2 (Out 1/2 LED)
Data transmission from output ports 3 and 4 (Out 3/4 LED)
Data reception from RS-232 interface or output port 5
Dimensions
Width = 110mm/134,80 mm
Depth = 82 mm
Height = 43 mm
Housing
Styrene
ABS Certificate of Design Assessment
ABS Certificate
IEC60945 Certificate of Conformity
Approval by Hellenic Ministry of Mercantile Marine
