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Measurement system

CAN FD is supported

IMC Messsysteme (Germany) is well known in the automotive industry for its measurement systems and data-loggers. The products now support also CAN FD.

The dual-channel CAN FD interfaces are suitable for the provider’s measurement systems (Photo: IMC)

The company established in 1988 has launched CAN FD interfaces for its measurement systems. They are equipped with two CAN FD ports, which are galvanic isolated. They can be configured to act as a bridge between CAN FD and Classical CAN networks. Martin Riedel said: “I think the use of CAN FD in future vehicles is very likely. On the one hand, bottlenecks in busload can be solved and, on the other hand, the total number of physical CAN networks required can be reduced. Classical CAN networks, however, will certainly continue in parallel for a long time, since a change always requires that all CAN participants support the extended protocol: otherwise, bus errors occur.”

Of course, the CAN FD interfaces can be used for Classical CAN communication and for CAN FD networks. The received data can be evaluated, processed, and analyzed in the company’s Famos PC-based measurement systems. The system enables a so-called rest-bus simulation: It can automatically react to incoming messages and can simulate responses from simulated nodes. An optional software package supports the interpretation of higher-layer protocols. This includes CCP (CAN Calibration Protocol, XCP (Extended Calibration Protocol), KWP2000, and OBDII (On-board Diagnostic II).

The Busdaqflex data-logger comes with two CAN FD ports (Photo: IMC)

CAN FD data-logger

IMC has extended the support of interfaces for its data-logger. It can be connected via WLAN/UMTS to tablet computers or directly to the Internet. The product comes optionally with two CAN FD channels, which can be extended to up to twelve ports. The user also has the choice to select other communication technologies (e.g. Arinc, Ethercat, Flexray, LIN, MVB, and XCPoE) and to mix them with CAN interfaces.

Besides the recording of raw data streams, live decoding of individual channels as well as interpreting higher-layer protocols is also supported. In addition, the data logger offers the option to connect any other protocols and buses via the programmable Appmod interface with Ethernet or EIA-232 interfaces.

The product can be combined with IMC’s measurement systems. Due to the click-mechanism, modules can be directly attached to the data-logger without tools or cabling. A wide range of module types cover all typical signals and sensors – from universal measurement amplifiers up to special measurement modules for complex tasks such as highly-isolated measurements on hybrid and electric vehicles.

Integrated in the Famos real-time platform, the data-logger becomes a gateway for incoming measurement data. Data streams coming from each channel are decoded and completely scaled in real-time from bus protocols. Additionally, the data is already processed, analyzed, and compressed. The data-logger works independently and without a PC. It is specified for an extended temperature range from -40 °C to +85 °C.


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