Copyright 2009 Maretron, LLP. All rights reserved. As Maretron is constantly improving its products, all specifications are subject to change without notice. Maretron’s products are designed to
be accurate and reliable; however, they should be used only as aids to navigation and vessel monitoring, and not as a replacement for traditional navigation and vessel monitoring techniques. A
prudent captain or navigator never relies on a single source for navigation or system monitoring information. “NMEA 2000” is a registered trademark of the National Marine Electronics Association. 33
Environmental Mechanical Electrical
NMEA 2000® Parameter
Group Numbers (PGNs) Certifications
Specifications (J1939 Data
Translated to NMEA 2000®Data)
J1939 SPN/PGN Description NMEA 2000
®
PGN
190 / 61444 Engine Speed 127488
102 / 65270 Engine Turbocharger Boost Pressure 127488
100 / 65263 Engine Oil Pressure 127489
175 / 65262 Engine Oil Temperature 1 127489
110 / 65262 Engine Coolant Temperature 127489
167 / 65271 Alternator Potential (Voltage) 127489
183 / 65266 Engine Fuel Rate 127489
247 / 65253 Engine Total Hours of Operation 127489
109 / 65263 Engine Coolant Pressure 127489
94 / 65263 Engine Fuel Delivery Pressure 127489
92 / 61443 Engine Percent Load at Current Speed 127489
513 / 61444 Actual Engine – Percent Torque 127489
189 / 65214 Engine Rated Speed 127498
237 / 65260 Vehicle Identification Number 127498
234 / 65242 Software Identification 127498
523 / 61445 Transmission Current Gear 127493
127 / 65272 Transmission Oil Pressure 127493
177 / 65272 Transmission Oil Temperature 127493
Description PGN # PGN Name Default Rate
Periodic Data PGNs
127488 Engine Parameters, Rapid Update 10 times/second
127489 Engine Parameters, Dynamic 1 time/second
127498 Engine Parameters, Static N/A
127493 Transmission Parameters, Dynamic 10 times/second
65030 J1939 Generator Average Basic AC Quantities 10 times/second
65226 J1939 Diagnostic Message #1 N/A
65227 J1939 Diagnostic Message #2 N/A
65228 J1939 Diagnostic Message #3 N/A
65229 J1939 Diagnostic Message #4 N/A
65230 J1939 Diagnostic Message #5 N/A
65231 J1939 Diagnostic Message #6 N/A
65232 J1939 Diagnostic Message #8 N/A
65234 J1939 Diagnostic Message #10 N/A
65235 J1939 Diagnostic Message #11 N/A
65236 J1939 Diagnostic Message #12 N/A
Response to Request PGNs
126464 PGN List (Transmit and Receive) N/A
126996 Product Information N/A
126998 Configuration Information N/A
Protocol PGNs
059392 ISO Acknowledge N/A
059904 ISO Request N/A
060928 ISO Address Claim N/A
065240 ISO Address Command N/A
126208 NMEA Request/Command/Acknowledge N/A
Maretron Proprietary PGNs
126720 Configuration N/A
Parameter Value Comment
Operating Voltage 9 to 16 Volts DC Voltage
Power Consumption <150mA Average Current Drain
Load Equivalence Number (LEN) 3 NMEA 2000
®
Spec. (1LEN = 50 mA)
Reverse Battery Protection Yes Indefinitely
Load Dump Protection Yes Energy Rated per SAE J1113
Parameter Value Comment
Size 3.11” x 3.46” x 1.38” (79mm x 88mm x 35mm) Including Flanges For Mounting
Weight 8 oz. (227 g)
Parameter Value
IEC 60945 Classification Exposed
Degree of Protection IP67
Operating Temperature -25°C to 55°C
Storage Temperature -40°C to 70°C
Relative Humidity 93%RH @40° per IEC60945-8.2
Vibration 2-13.2Hz @ ±1mm, 13.2-100Hz @ 7m/s
2
per IEC 60945-8.7
Rain and Spray 12.5mm Nozzle @ 100liters/min from 3m for 30min per IEC 60945-8.8
Solar Radiation Ultraviolet B, A, Visible, and Infrared per IEC 60945-8.10
Corrosion (Salt Mist) 4 times 7days @ 40°C, 95%RH after 2 hour Salt Spray Per IEC 60945-8.12
Electromagnetic Emission Conducted and Radiated Emission per IEC 60945-9
Electromagnetic Immunity Conducted, Radiated, Supply, and ESD per IEC 60945-10
Safety Precautions Dangerous Voltage, Electromagnetic Radio Frequency per IEC 60945-12
DSM250/DSM200 Screen Shots
