Actisense NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway [EMU-1-BAS]

NMEA 2000 Engine Monitoring Unit - Analog to NMEA2000 Engine Gateway

Share 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 - <= 2%
• Input Connector - Pluggable 6-way screw terminal, 3.5mm pitch
• Input Protection - Overvoltage protection to ±40V

Alarm Inputs

• Voltage Range - 0 to 37VDC
• Input Impedance - > 50kΩ
• Threshold Voltage - Configurable, default is 5V
• Alarm Polarity - Configurable, default is alarm on low input
• Accuracy - <= 2%
• Input Connector - Pluggable 4-way screw terminal, 3.5mm pitch
• Input Protection - Overvoltage protection to ±40V

Tacho Inputs

• Voltage Range - ±3 to ±60V
• Input Impedance - > 100kΩ to ground
• Input Pulse Range - 4 to 50,000Hz
• Accuracy - <= 1%
• Sender Compatibility - Ignition coil, alternator (“W”, “R” or “AC”) terminal, hall effect, VR or inductive sender
• Threshold - Automatically adjusts to signal level
• Input Connector - Pluggable 4-way screw terminal, 3.5mm pitch
• Input Protection - Can withstand an ignition pulse to ±500V

Engine Log

• Engine Hours - 2 separate engine hour logs internally connected to the tacho Inputs. Hours are logged when RPM is present, stored in non-volatile memory

Mechanical

• Housing Material - Polycarbonate
• Protective Lid Material - Polycarbonate
• Sealing Materials - Expanded silicone foam gasket, closed cell polyurethane splash guard and ePTFE waterproof vent
• Dimensions - 127mm (L) x 112mm (W) x 48mm (H)
• Weight - 250g
• Mounting - 4 x 3.5mm lugs to allow panel mount with self tapping s/s screws (included), optional DIN Rail mount available on request

Approvals and Certifications

• EMC - EN 60945 (sections 9 & 10)
• Environmental Protection - IP66 (PCB housing)
• Operating Temperature - -20°C to +55°C
• Storage Temperature - -30°C to +70°C
• Recommended Humidity - 0 – 93% RH
• Guarantee - 3 years

Specifications:

• Cable Length (Feet): N/A
• Data Interface: NMEA 2000
• Box Dimensions: 3"H x 6"W x 9"L WT: 1 lbs
• UPC: 5060998710331

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