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Telematics Gateway With SAE J1939 Data Logging For Predictive Maintenance Of Diesel Engines

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iWave Telematics Gateway

The Telematics Gateway from iWave represents a vehicle diagnostics system for monitoring critical vehicle parameters from any place. The device supports four CAN Bus interfaces, including CAN FD, and is suitable for heavy-duty trucks, off-road vehicles, emergency vehicles, and vessels.

The gateway utilizes parameters such as location, working duration, engine performance, and engine parameters that require continuous monitoring to prevent failures of vehicles and extend their life span. Furthermore, the gateway incorporates sensors to enable e-call, driver behavior analysis, idling time, and other vital features to enhance the customization experience. With multiple protocols and edge firmware support, the gateway is suitable for applications ranging from heavy-duty trucks, vessels, industrial machinery, and passenger cars. The applied protocol stacks include ISO 15765-4 CAN, SAE J1939, ISO 11898, CANopen, and CiA 447. Thus, the product functions as a multi-purpose device catering to multiple vehicles and mobility infrastructure.

With off-road vehicles such as forklifts, cranes often leased out by manufacturers and frequently used for extended hours in extreme working conditions, the owners need to monitor their location and the parameters to control the usage. In addition, heavy-duty and off-road vehicles are used in large industrial spaces such as power plants, manufacturing units, construction sites with rough environmental and operating conditions, which exposes them to unforeseen failures and frequent breakdowns.

The gateway caters to such rugged applications with a range of input interfaces, including four CAN (FD), LIN, EIA-232, EIA-485, etc. Integrated with a cellular 4G modem and various other wireless connectivity options such as Wi-Fi and Bluetooth, the telematics gateway enables data transfer from the vehicles to the cloud platforms. Users can also configure the gateway per Bluetooth as an electronic logging device (ELD) and connect to the driver’s phone to monitor the driving time and safety.

The data collected through the CAN Bus, sensors, and other data parameters can be managed with the gateway and parsed onto an IoT (Internet of Things) cloud platform for further data analytics and modeling. It is integrated with an NXP i.MX 8 application processor supporting an internal memory of 8 GiB, and it provides data storage in regions of no connectivity.

The gateway is integrated with the SAE J1939 protocol for compatibility with heavy-duty vehicles and commercial trucks. SAE J1939 was standardized by the SAE, creating a uniform language on the CAN network across the industry. This standard includes the digital annex (DA), which defines thousands of CAN Bus signals such as high voltage, battery state of charge, vehicle charging status, and more.


  • Powered by NXP i.MX 8
  • Wireless Connectivity: 4G LTE Cat-4/Cat-M1/NB-IoT/Wi-Fi/Bluetooth
  • 4 CAN Interfaces: CAN FD/HS CAN/LS CAN
  • Protocols: ISO 15765-4 CAN, J1939, ISO 11898, CANopen, CiA 447
  • Wired Interfaces: RS232/RS485/Automotive Ethernet/Analog Inputs
  • High Accuracy GNSS Module & UWB Radio (Ultra Wide Band)
  • Internal Battery Back-Up
  • IP Enclosure for Rugged Installations

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SAE J1939 to RS232 & USB Gateway

SAE J1939 to RS232 & USB Gateway

The JCOM.J1939.SER gateway is a high-performance, low-latency, serial vehicle network adapter for SAE J1939 applications. It allows any host device with an RS232 or USB port to monitor SAE J1939 data traffic and communicate with the SAE J1939 vehicle network. An SAE J1939 cable, suited for a 9-pin Deutsch connection, is available as an option.

The gateway supports the full SAE J1939 protocol according to J1939/81 Network Management (Address Claiming) and J1939/21 Transport Protocol (TP). 

It is also supported by an extensive programming interface for Windows and Linux/Ubuntu applications, including full C/C++/C# source code for short time-to-market developments.

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