NK-80

Upgrade NMEA 0183 equipment to NMEA 2000!

Upgrade NMEA 0183 equipment to NMEA 2000!

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  • Description

The NMEA 2000 transmits data through Controller Area Network (CAN bus). It simplifies the connection and shares information among different devices by using a single trunk cable. Compared with NMEA 0183 in “RS422” interface, NMEA 2000 has better transmission reliability and shares data easily in a network.

NK-80 is a gateway between NMEA 0183 electronics devices and NMEA 2000 device/network. NK-80 allows users to connect NMEA 2000 network with their existing NMEA 0183 devices.

Key Feature of NK-80:

‧Upgrade NMEA 0183 equipment to NMEA 2000
‧Conversion between NMEA 2000 and NMEA 0183
‧Full NMEA 2000 compliance
‧Full NMEA 0183 compliance
‧Compact size, easy for installation
‧Isolation between NMEA 0183 and NMEA 2000
‧Fully galvanically isolated for electrical spike protection

APPLICABLE STANDARDS
NMEA 2000 standard version1.2 (2004)
NMEA 2000 CAN BUS LINE TRANSMITTER
ParameterConditionsMin.Max.
Recessive bus voltageVTXD = VDD; no load2.0V3.0V
Dominant bus voltage NET-HVTXD = 0.8V2.75V4.5V
Dominant bus voltage NET-LVTXD = 0.8V0.5V2.25V
Recessive differential output voltageVTXD = 2V; no load-500mV50mV
Dominant differential output voltage40Ω < RL < 60Ω           1.5V3.0V
NMEA 2000 CAN BUS LINE RECEIVER
NET-H, NET-L common-mode input resistancetypical 100 KΩ
Differential input resistancetypical 100 KΩ
INPUT/OUTPUT
Configurable4,800, 9,600, 38,400 (default),
Baud rate57,600, 115,200 bps
ENVIRONMENTAL
Operation Temperature-20°C~+55°C
Storage Temperature-25°C~+70°C
Water ProofingIP54
Humidity0~80%RH
PHYSICAL
Length132 mm
Width30 mm
Height22.8 mm
Cable LengthsNMEA 2000 cable: 0.1m
NMEA 0183 cable: 1 m
Weight< 150 g
ELECTRICAL
NMEA 2000 Load Equivalency Number (LEN)1 (under 50 mA)
POWER SUPPLY
Supply Voltage from CAN Bus12VDC / 24VDC (Typical)
Brochure
Brochure
Products NameDescriptionLast Update
NK-80NK-80 product brochure v1.32015/10/06
Manual
NK-80NK-80_Manual_V1.102015/07/09
Firmware
NK-80NK-80 Firmware Upgrade V1.122016/02/24
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