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Analyzing tool

Monitoring and debugging avionic networks

Vector (Germany) is extending the use of its CANoe and CANalyzer development and analyzes tools to cover avionics networks. The tools offer an A429 software option and a USB interface for Arinc 429.

CANoe.A429 simplifies analysis and testing of Arinc 429 LRUs or entire systems (Photo: Vector)

THESE ADDITIONS GIVES DEVELOPERS OF LINE REPLACEABLE UNITS (LRUs) in aircrafts a solution for testing and bus analyzes. The VN0601 USB interface for the Arinc 429 bus system can handle up to four RX and four TX channels simultaneously and allows the synchronization with multiple devices and other bus systems such as CAN. Bit rate settings, time stamps, and refined error detection mechanisms simplify bus monitoring for the electronic developer.

Stimulating Arinc 429 channels, the user has full control over cycle times and message intervals within the microsecond range. It is also possible to inject errors into a system in a controlled way, to test the behavior of the connected devices. When a laptop is connected via the USB port, this gives the user a high- performance, mobile test system.

The VN0601 USB interface for accessing the Arinc 429 bus over 8 channels (Photo: Vector)

The tools CANoe.A429 and CANalyzer.A429 can simplify testing of networked systems. According to the company, with a little training effort, users can learn how to analyze or generate complex communication. The developer is supported by the representation of bus activities and adaptation options. For example, Vector applies the concept of the database in Arinc 429 and makes the Arinc 429 messages available as objects within the tool.

"The Arinc 429 solution now allows our aeronautical customers to work on key bus systems in use today – CAN, AFDX, and Arinc 429 – time-synchronously in a single tool, which lets them test modern Multibus architectures efficiently," says Dr. Arne Brehmer, Head of the Aerospace Business Area at Vector Informatik.

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