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Guide to SAE J1939 - Transport Protocol (TP) Message Packaging and Reassembly
The following is an excerpt from A Comprehensible Guide To J1939 by Wilfried Voss. Certain parameter groups may require more than the eight data bytes supported by the CAN standard. The SAE J1939 standard, namely the Transport Protocol Function, supports message lengths up to 1785 bytes. If a program group requires more than eight data bytes (9…1785 bytes) and [...]
Guide to SAE J1939 - Parameter Group Number Compilation
The following is an excerpt from A Comprehensible Guide To J1939 by Wilfried Voss. For internal purposes, the parameter group number is extended to 24 bits = 3 bytes, where the most significant 6 bits are always set to zero. Each ECU must accomplish this process individually; this procedure is not part of the CAN standard. To compile [...]
Telematics Gateway For Automatic SAE J1939 and ISOBUS Scanning and Parsing
The CANUp telematics gateway by Technoton couples the functionality of two vehicle data interfaces, a digital-to-analog converter and an online GPS tracking device. The gateway scans and automatically parses 10 000 SAE J1939/71 and ISOBUS parameters and transmits selected data to a web-based telematics server or by email/SMS to a user. It applies edge computing algorithms for onboard [...]
CAN Bus Bolt Connects Industrial Machinery And Devices to Wireless Networks, WiFi And Bluetooth
HMS Networks introduced its Anybus Wireless Bolt CAN gateway, providing CAN Bus communication via WiFi or Bluetooth. The device builds on the success of Anybus Wireless Bolt, which is applied to wireless Ethernet access. Like its predecessor, the gateway for bolt-on-machine mounting is suitable for heavy-duty machinery and demanding industrial applications. Applications include warehouse installations and AGVs (Automated [...]
Programmable Maritime Application System Based on Raspberry Pi Supports NMEA 2000 Functionality
NMEA 2000 is a marine networking standard created and administered by the National Marine Electronics Association (NMEA). The NMEA is an association of marine electronics manufacturers, dealers, and technicians. The NMEA 2000 standard describes a low-cost, moderate capacity, bi-directional, multi-transmitter, multi-receiver instrument network. Typical data on a network using this standard include: Position latitude and longitude. GPS status. Steering [...]
Programmable CAN / CAN FD Router And Data Logger Comes With Optional Ethernet Port
The PCAN-Router Pro FD by PEAK-System is a six-channel CAN FD router and data logger, which is now offered with an RJ-45 Ethernet interface as an option. The programmable router comes with custom firmware which is loaded using the CAN Bus network. In addition, the provided development package includes multiple C/C++ programming samples for employing the capabilities [...]
SAE J1939 Data Scanner Monitors Multiple PT1000 Inputs From A Diesel Engine
Axiomatic Technologies introduced their AX184200 20 PT1000 RTD scanner with CAN Bus (SAE J1939) connection. It features rugged packaging and watertight Deutsch IPD connectors for an IP67 rating. The system does not require additional programming or configuration. The scanner monitors 20 2-wire PT1000 inputs from a diesel engine and forwards the temperature information to the engine control [...]
NMEA Online & Virtual Installer Trainings July 13-15, 2021
NMEA (National Marine Electronics Association) offers their installer certification classes to the marine electronics world this July 13-15. These are 6-8 hour online instructor-led installer certification training sessions. The delivery method for the training is GoToWebinar, where students view and listen to the live instructor and presentation, along with being able to ask questions to [...]
Powertrain Diagnostics Platform For Engine Development Comes With Two CAN FD Interfaces
Kistler introduced its Kibox2, a modular and extendable powertrain diagnostics platform for engine development. The Kibox2 is equipped with two CAN FD interfaces for reading data from the vehicle network. The diagnostic platform is suitable for standard, electric, and hybrid powertrain analysis. It allows time- and angle-based data recording, real-time calculation of combustion parameters, limit value monitoring, [...]
Controller Area Network (CAN Bus) Tutorial - Message Frame Format
The following is an excerpt from A Comprehensible Controller Area Network by Wilfried Voss. This section will examine the exact structure of both data and remote message frames bit by bit. Per definition, a CAN data or remote frame has the following components: SOF (Start of Frame) - Marks the beginning of data and remote Frames Arbitration Field – Includes [...]