Actisense NMEA 2000 Manual de instalación descargar pdf (Pagina 8)

Specications

Parameter Conditions Min. Max. Unit

Supply

Supply voltage 8 35 V

Supply current (see note 1)

Supply voltage = 12v 26 30 mA

Supply voltage = 24v 16 18 mA

NMEA 2000 CAN Bus line (CAN-H; CAN-L) Transmitter

Recessive bus voltage VTXD = VDD; no load. 2.0 3.0 V

Dominant bus voltage CAN-H VTXD = 0.8V 2.75 4.5 V

Dominant bus voltage CAN-L VTXD = 0.8V 0.5 2.25 V

Recessive differential output voltage VTXD = 2V; no load -500 50 mV

Dominant differential output voltage 40Ω < RL < 60Ω 1.5 3.0 V

Short circuit output current CAN-H VCAN-H = -5V - -200 mA

Short circuit output current CAN-L VCAN-H = -40V, +40V. (see note 2) - 200 mA

NMEA 2000 CAN Bus line (CAN-H; CAN-L) Receiver

CAN-H, CAN-L common-mode input

Resistance

5 50 KΩ

Differential input resistance 20 100 KΩ

USB Comms Input/Output

Input to Ground Full Galvanic Opto-isolation protection - 2500 V

Baud rate Congurable Baud rate 4800 230400 bps

General

Ambient operating temperature -20 +70 °C

Table 2 – NGT-1-USB specications

All specications are taken with reference to an ambient temperature (T

) of +25°C.

Note:

1. Current consumption measured under no-load conditions

2. This parameter is periodically sampled and not 100% tested.

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Actisense NMEA 2000 Manual de instalación Pagina 8