In April, the 3rd CAN XL plugfest, organized by the CAN in Automation (CiA) international users’ and manufacturers’ group took place in Troy, Michigan. CAN XL is the 3rd controller-area-network (CAN) protocol generation. On the plugfest, intellectual-property (IP) core implementations from Bosch, Kvaser and Vector were tested on interoperability. On the 2nd CAN XL plugfest in 2022, a micro-controller prototype from NXP and an IP core from Fraunhofer/Cast were already successfully tested.
In the afternoon session, different topologies were used. Point-to-point and linear networks with short unterminated stubs achieved a data phase bit rate of up to 20 Mbit/s.
The arbitration bit rate was 500 kbit/s. The connected nodes used CAN signal improvement capability (SIC) XL transceivers from Bosch, Infineon, NXP and Texas Instruments.
The achieved results are shown in Figure 1.
Figure 1: Point-to-point and linear networks with short unterminated stubs achieved a data phase bit rate of up to 20 Mbit/s.
The day after the plugfest, CiA held a CAN XL technology day. The speakers introduced the CAN XL ecosystem, and several CiA members, including Bosch, C&S Group,
NXP and Vector, showed demonstrators; oscilloscopes with CAN XL decoder and trigger functionality were demonstrated by Keysight, Rohde & Schwarz and Teledyne. The presentations covered base information on protocol and physical transmission, as well as network design hints and embedded security such as CANsec.
Figure 2: CiA plans a similar event during CAN XL Technology Day on June 22 near Paris.
CiA plans a similar event during CAN XL Technology Day on June 22 near Paris (Figure 2).
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