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Valve terminal system has integrated IO Link interface

28 July 2009

The introduction of IO Link interface technology to pneumatics will likely make commissioning and maintenance easier—and provide expanded diagnostic possibilities as well. To support this open communication standard, Rexroth has integrated the IO Link interface into its popular LS04 valve terminal system.

Valve terminal with IO Link
Valve terminal with IO Link

With the interface, it is possible to communicate process, diagnostic, and parameterisation data directly at the lowest field level, right up to the “last meter” as they say, and to use the intelligence available there directly and easily.

The IO-interface standard enables automation systems to control Rexroth components as actuators, as well as sensor technology from numerous other manufacturers.

Thanks to the cyclical transmission of process data within 2 milliseconds and the possibility for reliable error detection and localisation, the IO Link connection increases productivity and reduces machine downtimes.

The new LS04 valve terminal system with integrated IO Link interface is easily incorporated into existing, decentralised automation architecture. Full compatibility with standard I/Os enables mixed operation and simple retrofitting in already installed machines.

Systems that already have an IO Link network installed do not require a second line to control the valve terminal system. The valve terminal system can be integrated into the existing bus system via the IO Link.

The LS04 valve terminal system is especially suited for small handling applications with high speed requirements and optimised installation space. With its compact dimensions and high performance density at flow rates up to 320 l/min, the LS04 is used precisely where there is limited installation space available.

The IO Link version of the LS04 can control up to 32 coils on 24 valve positions.


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