Wireless CAN bridge achieves predictable latency

Wireless CAN bridge achieves predictable latency

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By eeNews Europe

The device facilitates the job of the system integrator in situations that make wired connection unsuitable or challenging, such as between two moving parts that are connected by CAN. Employing a proprietary 2.4-GHz radio and frequency hopping mechanism, the Air Bridge Light HS controls the data rate, radio packet format, output power and pairing method to achieve predictable latencies, without sacrificing stability or range. This makes the Air Bridge effective in infrastructure and control applications, where accurate message delivery times are essential. Transmission range is as much as 70m, with a maximum data rate of 1200 messages per second and a packet latency of 4.8 ms.

A key feature of the Kvaser Air Bridge Light is Automatic Baud Rate Detection, whereby the pair of devices automatically detects and connects to any of the following CAN network speeds: 1 Mbit/s, 500 Kbit/s, 250 Kbit/s, and 125 Kbit/s. Auto Baud Rate Detection is carried out locally on the device, enabling to link two CAN networks that are operating at different bitrates.

The Kvaser Air Bridge Light comes in two variants: (00808-3) Kvaser Air Bridge Light HS is approved for the European Union, while (01008-6) Kvaser Air Bridge Light HS (FCC) is optimized for the US.

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