Our SAE J1939 Gateway And Data Logger is ideal for vehicle fleet management (trucks, buses, agricultural equipment, and any other diesel engine application), prototype field testing, diagnostics, or reverse engineering. The SAE J1939 Gateway And Data Logger records SAE J1939 message frames (PGNs) onto an onboard MicroSD memory card and timestamps them with a real-time clock (RTC). Alternatively, it can be used for mere SAE J1939 data monitoring and viewing.
This product is under current development with a targeted release in September of 2020. The following represents an update on the current development progress.
1. Data Logger Firmware:
The newest version number is V 2.01.00 (previously V 2.00.01). It allows the device to report PGNs at a different (sample) rate. The sample time is set through the JCOM1939 Monitor software for Windows.
When it comes to logging of SAE J1939 data, it is not always necessary to monitor data at the highest data rate (e.g. vehicle speed at every 50 milliseconds). Slowing down the data rate to a more reasonable value will also significantly increase the recording duration of the device.
For information on how to download and update the newest firmware, log on to:
2. JCOM1939 Monitor Software for Windows:
At this point, we needed to split the development of the Windows software and create a new, extended version that takes advantage of the more powerful features of the JCOM.J1939.USB-X and JCOM.J1939.REC boards.
The new version is called JCOM1939 Monitor Pro-X ("X" for extended). The most significant change to-date, besides some slight design modifications, comes with the "Filter" section:
This new version allows editing a sample rate. Keeping the sample time at zero will result in real-time data reception, i.e. the original data rate. All other functionality remains unchanged, as described in:
In the screenshot above, we have assigned a sample rate of one second (1000 milliseconds) to PGN 65289 (we used a transmission rate of 50 milliseconds through our simulator).
For information on how to download the newest JCOM1939 version, see:
- Hardware Functionality Test: We are looking at some issues with the USB port. As soon as the hardware has been successfully tested, we can start the manufacturing process, which takes about four weeks.
- Firmware Extension: Building on the current firmware, we need to store the PGN filter information, including the sample time, onto the onboard SD card. This will allow the device to operate without the setup through PC.
- JCOM1939 Monitor-X Extension: We will add functionality to store the PGN filters onto an application file. Furthermore, we will add a command button to transfer the PGN Filter table to the data logging device.
SAE J1939 Starter Kit And Network Simulator
Our J COM.J1939 Starter Kit And Network Simulator is designed to allow the experienced engineer as well as the beginner to experiment with SAE J1939 data communication without the need of connecting to a real-world J1939 network, i.e. a diesel engine. It may sound obvious, but in order to establish a network, you need at least two nodes, and that fact applies especially to CAN/J1939 where the CAN controller will basically shut down after transmitting data without receiving a response. For that reason, our jCOM.J1939 Starter Kit And Network Simulator consists of two J1939 nodes, namely our jCOM.J1939.USB, an SAE J1939 ECU Simulator Board With USB Port.
The jCOM.J1939.USB gateway board is a high-performance, low-latency vehicle network adapter for SAE J1939 applications. The board supports the full SAE J1939 protocol according to J1939/81 Network Management (Address Claiming) and J1939/21 Transport Protocol (TP).
As it turns out, I recently received two inquiries that involved the testing of wireless vehicle bus adapters for FMS and IoT applications, thus requiring the simulation of SAE J1939 data traffic. In one case, the device in question was the Wireless Vehicle Adapter (WVA) by Digi; the second case involved an unspecified IoT device. In [...]
Megatron introduced its TRY120 series of miniature joysticks with an installation depth of 26 mm. The onboard CAN Bus interface supports the CANopen and SAE J1939 serial protocols. With the TRY120 series, Megatron expands the TRY100 finger joystick series with a version for the operation in harsh environments. Both sets use identical geometries and thus allow a direct replacement. The [...]
Divelbiss Corporation introduced its HEC-P2000 Family of IoT enabled controllers, offering the highest control capability in harsh environments. The HEC-P2000 family renders maximum flexibility for controlling mobile equipment, communicating with various serial bus protocols, logging system data, or adding Internet of Things (IoT) capability to existing systems. The device can be programmed using the FREE Divelbiss [...]
The CANCrocodile product line was created for safe and sound data reading from a vehicle CAN Bus network. The contactless reader can be used for vehicle telematics, GPS tracking systems, and monitoring multiple CAN Bus parameters of vehicle operation. These include speed, RPM, oil pressure & temperature, fuel volume & consumption, and more. The data reading takes place [...]
Electromechanical Linear Actuators With Embedded SAE J1939 Interface For Mobile Off-Highway Applications
Thomson (US) introduced its Electrak MD electromechanical linear actuators with an embedded SAE J1939 interface. They are suited for mobile off-highway, material handling, and factory automation applications. The integrated features reduce space consumption by keeping external equipment (e.g., encoders, switches) within the actuator housing. This functionality provides straightforward control and communication methods. Besides the CAN Bus connectivity, the actuators [...]
SAE J1939 has become the accepted industry standard and the vehicle network technology of choice for off-highway machines in applications such as construction, material handling, agriculture, and forestry machines. SAE J1939 is a higher-layer protocol that utilizes Controller Area Network (CAN Bus) as its hardware layer. Consequently, many vendors in the CAN Bus industry claim SAE [...]
Our SAE J1939 Gateway And Data Logger is ideal for vehicle fleet management (trucks, buses, agricultural equipment, and any other diesel engine application), prototype field testing, diagnostics, or reverse engineering. The SAE J1939 Gateway And Data Logger records SAE J1939 message frames (PGNs) onto an onboard MicroSD memory card and timestamps them with a real-time clock (RTC). [...]
Our SAE J1939 Gateway And Data Logger was designed for vehicle fleet management (trucks, buses, agricultural equipment, and any other diesel engine application), prototype field testing, diagnostics, or reverse engineering. The SAE J1939 Gateway And Data Logger records SAE J1939 message frames (PGNs) onto an onboard MicroSD memory card and timestamps them with a real-time clock (RTC). Alternatively, it [...]
SAE J1939 Sensor Array Reports Vehicle Angular Rate, Acceleration, And Attitude Data Of Heavy-Duty, Off-Highway Vehicles
Honeywell's Tars (Transportation Attitude Reference System) series of 6D inertial sensor units allows the concurrent acquisition of rotation rate, acceleration, and tilt data for heavy-duty, off-highway, or other specialized vehicles. The sensors are available from SE Spezial-Electronic. The vehicle network protocol is SAE J1939. The reference sensor unit Tars-IMU operates either with a 5 VDC or 9 to [...]