Issue: Nov 2008


Data Logging for FlexRay, MOST, CAN



by Lenny Case

Another important FlexRay milestone has been passed with the introduction of a FlexRay-enabled data logger developed specially for the automotive industry.
The Telemotive blue PiraT (which stands for processing information, recording and analyzing tool) is a device to monitor communication of the bus systems in vehicles. The recorded data can be downloaded via Ethernet to be analyzed on a laptop or PC.

The eight year old Telemotive’s motto is “we drive your ideas”. The company says its’ goal is to actively speed up developments and be customer-oriented in its approach. Founded in 2000, the German company specializes in engineering consulting and system integration of complex, interlaced systems - as well as the development and the production of control electronics in the automobile industry. The company has more than 200 employees with experience in hardware and software and overall OEM system experience. “We provide services in this area based on more than 10 years of successful project processing in the OEM / embedded system development,” says the company.

The Telemotive blue PiraT 2C2FR is a scalable, high-speed communication system for MOST, CAN, RS232/RS422 serial interfaces and two FlexRay channels, with the information stored on a 40GB hard drive. The data logger records synchronous time stamps between MOST, CAN and FlexRay. The earlier blue PiraT 2c did not cater for FlexRay. 

Synchronous time stamps are required as certain vehicle functions use several bus systems together for their implementation. To verify that the data has been sent among these bus systems with the correct order and timing, it must be possible to compare different data sources at the same moment in time. Telemotive has also introduced the 6C2L2FR, which has six CAN and two LIN connectors.

The blue PiraT systems can be fine-tuned for specific applications. “Our specialists are happy to adjust blue PiraT to individual bus system worlds. The power management, which includes a low-power standby mode, fast wakeup and low power consumption mean the blue PiraT can be directly built into the vehicle without problems,” says Telemotive.

About Telemotive


The company works with original equipment manufacturers to develop automotive systems. Some of Telemotive’s clients include BMW, DaimlerChrysler, Audi and Volkswagen. Some of the products the company has worked on include car PCs, audio systems, high-end navigation, multimedia head units, tele-diagnose systems, speech recognition and software simulation systems. Telemotive is an associate member of the FlexRay consortium as well as the Media Oriented Systems Transport (MOST) cooperation. 

The FlexRay Consortium was formed to drive the adoption of the FlexRay communication system as the de facto industry standard for high-speed communication networks for automotive applications. The adoption of FlexRay as the standard will afford the automotive industry many design and cost efficiencies by simplifying the manufacturing and design of vehicles, controlling the cost of the microcontrollers and electronic systems that go in them while benefiting from the advanced electronic systems that will become an integral part of new vehicles.

The MOST Cooperation is the organization through which the technology is standardized and refined so that it continues to stay abreast of the latest technology requirements. Today it consists of 15 international carmakers and more than 70 key component suppliers. They have joined together to work with the MOST Technology and to contribute to its innovation.

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