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New NI CAN module enhances CompactRIO connectivity

Posted: 08 Sep 2006 ?? ?Print Version ?Bookmark and Share

Keywords:National Instruments? NI? NI 9852? CAN communication module? CompactRIO?

CAN communication module for NI's CompactRIO platform

National Instruments (NI) has released the NI 9852 CAN communication module for its CompactRIO platform. The module promises direct connectivity to low-speed/fault-tolerant CAN networks and is a powerful addition to the high-speed CAN connectivity that CompactRIO already offers, NI said, further establishing CompactRIO as the suitable platform for in-vehicle measurement and control applications.

CompactRIO programmable automation controller (PAC) is a rugged, reconfigurable control and acquisition system designed for applications requiring high performance and reliability. The system combines an open, embedded architecture with small size, extreme ruggedness and hot-swappable industrial I/O modules. Commonly used for body electronics in the automotive industry, low-speed/fault-tolerant CAN networks communicate through two wires. Low-speed CAN networks have short cable distances and slower communication speeds, making it possible to transmit data asymmetrically over just one bus line instead of two, the company explained.

NI 9852 provides two ports of low-speed/fault-tolerant CAN communication with devices at transfer rates up to 125Kbps. With this device installed in a CompactRIO chassis, Ni said engineers can take advantage of the flexibility and performance of the CompactRIO platform to achieve hardware synchronization with high-speed CAN, analog and digital measurements with up to 25ns resolution. With support for 11bit and 29bit arbitration IDs, NI 9852 modules can also communicate with J1939 networks.

The new module also offers advanced functionality, such as software-selectable termination, which enables engineers to make the module compatible with their CAN network without adding to or removing resistors from their cabling.

Engineers also can use the NI 9852 module with the R Series expansion chassis and any other R Series devices to extend the functionality and performance of LabVIEW FPGA technology to any desktop computer or PXI chassis, NI said, providing the highest-performance PC-based CAN interface on the market.

The NI 9852 2-port CAN module for CompactRIO is priced at $1,099.

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