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NM-251B    Speed Log pulses to NMEA-0183 Converter (User Guide)
 
Introduction, , Input, Outputs, Connections Dip switces, LED Indicators,
Specifications, Downloads,

Order - Quotation Request
Picture
Price ... 240.00 EURO
PCB Layout

Picture
  Figure 4: Composite Assembly of NM-LOG

 
Specifications



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


Downloads

NM-251B Installation & Operation manual
ABS Certificate of Design Assessment
ABS Certificate
IEC60945 Certificate of Conformity
Approval by Hellenic Ministry of Mercantile Marine
 

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