NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine GatewayShare engine information on the NMEA 2000 bus.The Actisense EMU-1 is a specialized analogue to NMEA 2000 Gateway which converts data from analogue engine gauges/senders into NMEA 2000 data. The EMU-1 enables the sharing of engine data throughout the NMEA 2000 bus. It digitizes analogue engine sensors, enabling NMEA 2000 display devices to monitor the connected engine(s) on a vessel.The EMU-1 can monitor vital engine parameters such as temperature, pressure RPM and fluid levels from up to two engines.The EMU-1 has a PC-based configuration tool that allows the settings inside the EMU-1 to be changed to best suit the engine it is working with, making it a flexible solution for many engine makes and models.An Actisense PC to NMEA 2000 Gateway (NGX-1/NGT-1) is required to configure the EMU-1.The NGX-1 or NGT-1 must be used to update the firmware, connect the Toolkit and display data on a PC for diagnostic and information purposes, using NMEA Reader. Please visit the NGX-1 page and/or NGT-1 page for product details.Features: Enables analogue signals to be converted to NMEA 2000 messages Convert signals from up to two engines (that share a common ground) with a single EMU-1 6 gauge / parameter inputs 4 alarm inputs 2 additional auxiliary inputs 2 Tacho inputs Customized IP65 case Diagnostic LED’s Wide power compatibility of 9 to 35VDC No need to change an existing engine Easy installation Easy to configure to suit the connected engine Connect signals from fluid level gauges (that share a common ground with the engine) to NMEA 2000® Optional DIN rail mounting kit available Total engine hours are logged by the monitoring of engine Tach (RPM) input Technical Specifications:Power Supply Supply Voltage - 9 to 35VDC Supply Current - Typically < 25mA @ 12VDC Supply Protection - Continuous reverse polarity protection and load dump protection (meets SAE J1113) Supply Connector - Pluggable 2-way screw terminal, 3.5mm pitch Supply Voltage (NMEA 2000 Port) - 9 to 29VDC Supply Current (NMEA 2000 Port) - < 20mA @ 12VDC from NMEA 2000 bus Load Equivalent Number (LEN) - 1 Supply Protection (NMEA 2000 Port) - Continuous reverse polarity protection and overvoltage protection to 40V NMEA 2000 Port – In/Out Compatibility - Fully NMEA 2000 certified Galvanic Isolation - 2500V input to ground, 1500V output to ground using ISO-Drive Speed / Baud Rate - 250kbps NMEA 2000 Connector - M12 male (A coded) connector Gauge Inputs Voltage Range - 0 to 35VDC Input Impedance - > 50kΩ Sender Feed - 0, 4 or 18mA Accuracy - 50kΩ Threshold Voltage - Configurable, default is 5V Alarm Polarity - Configurable, default is alarm on low input Accuracy - 100kΩ to ground Input Pulse Range - 4 to 50,000Hz Accuracy -
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