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PCI, PXI interfaces bring NI LabVIEW to Profibus nets

Posted: 21 Feb 2008 ?? ?Print Version ?Bookmark and Share

Keywords:PCI? PXI? PROFIBUS networks?

Targeting industrial manufacturing, process control and automation applications, National Instruments has introduced PCI and PXI Profibus interfaces that enable NI LabVIEW software to be integrated into benchtop, real-time and device test Profibus networks.

The Profibus interfaces include a LabVIEW driver with Express VIs, which are configuration-based blocks that simplify communication between LabVIEW and the Profibus network, for rapid application development. With these Express VIs, engineers can add Profibus support to new or existing LabVIEW applications for human machine interface (HMI), SCADA, real-time control and test without additional programming.

The Profibus interfaces can function as either master or slave devices on Profibus networks. As a master, the interface controls the timing and arbitration of the network by integrating with LabVIEW and LabVIEW Real-Time. Engineers can use the interface to control PROFIBUS slave devices such as motor drives, sensors, distributed I/O and programmable logic controllers. As a slave used with LabVIEW Real-Time on a PC or PXI system, the interface integrates NI high-performance data acquisition, motion, vision and modular instruments into existing Profibus-enabled machines and processes.

The PCI and PXI Profibus interfaces also include a graphical Configurator utility to configure network timing and set up Profibus slaves on a network. The LabVIEW configuration utility simplifies the setup of a control network with the Profibus interface.In addition, an onboard processor, memory and flash storage enable the interfaces to communicate with the Profibus network independently of PC performance or jitter. If the host machine has a software failure, the rest of the Profibus network continues to operate normally.

NI PCI and PXI Profibus Interfaces are priced from $1,599.

- Gina Roos

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