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PC Access to CAN Systems via Bluetooth for Control and Configuration

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An intelligent CAN/Bluetooth module that supports both bridge and gateway modes also comes with a new PC interface mode. Support of the Windows driver package (VC—Virtual CAN Interface) enables easy, wireless access for PC-based applications to CAN networks. The CANblue II from IXXAT supports customer-specific applications as well as the IXXAT analysis and configuration tools. Furthermore, the VCI driver package can be used with all other PC interfaces offered by IXXAT. Depending on the application requirements, this allows switching between the various interfaces without adaptation of the user’s application software. 

Besides the new PC interface mode, the device also comes with the established generic mode, which enables easy access to CAN networks for “non-Windows” systems such as embedded systems and handheld service devices. For this, the Bluetooth communication is performed using simple ASCII commands and CAN-optimized binary messages. In bridge mode, several CANblue II devices can be linked with each other for a wireless connection of different networks. This is particularly useful in systems with mobile components or rotating parts that need to be linked by using fault-prone slip ring connections. The message exchange is performed transparently, which enables the use of CANopen, DeviceNet and other customer-specific protocols.

Due to its compact design, the CANblue II can be easily integrated into existing systems. The device features an integrated antenna (optional external) and mounting holes. Its wide supply voltage range from 9 to 30 VDC, the galvanic decoupling and the extended temperature range from -40° to +70°C allows its use in a variety of applications. CANblue II is designed according to the Bluetooth specification V2.1 EDR with a maximum transmission distance of 300 meters (expandable with external antenna). Depending on the spatial conditions, the device is able to handle up to 100% CAN-bus load at a CAN baudrate of 1 Mbit/s.

IXXAT, Bedford, NH. (603) 471-0800. [www.ixxat.com].