12/10/2009 • Automation • Drive Tech • Food design, hygiene and monitoring • Industrial technology, services • IT and automation • Logistics and goods handling • Mechanical process technology • Packing and marking • Plant construction and components • Process automation / MSR technology • Process technology / Maintenance • Pumps and Compressors • Sensor Technology • Systems and Components • Thermal process tech

Switching without interfering cable connections - new space-saving wireless position switch

Balluff GmbH has expanded their product range of BNS electromechanical limit switches to include an unusually space-saving wireless transceiver solution for the license-free 868MHz ISM band. The new, compact sensor in the miniature series 99 housing features housing dimensions of just 40x20x51 mm and receives its power from a high-performance battery. Installation, startup and function are identical to that of a conventional position switch. This new sensor now offers a size alternative to the proven wireless solution with electro-generative power production in the DIN standard F60 housing.

Balluff single and multiple position switches have proven themselves in machine tool building for decades. As reliable trigger devices for automatic controllers, they are found wherever precision positioning and end-of-travel sensing is required. They are mechanically actuated, for example by a control cam. With these new BNS sensors the signal transmission is without cable, eliminating the need to route wire and cable. AS with the conventional BNS sensors, the use can choose from among chisel, ball or roller bearing, or chisel/scraper ring style plungers.

The counterpart, the 4-channel RF receiver in IP20 enclosure with receiver antennas, is simply installed on a DIN rail in the control cabinet and connected to the 24V power supply.

Balluff Wireless Transmission Systems can be conveniently and individually adapted to applications or changing spatial conditions. The system can operate using multiple receivers at a time, making it network-compatible. Interference from simultaneously operating BNS wireless sensors is virtually impossible. Each sensor unit is assigned an individual 32-bit ID number, enabling interference-free parallel operation of up to 4.3 billion sensor units.

The BNS 99 and BNS F60 wireless limit switches are designed for more than 1 million or 250,000 million switching actuations respectively.

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Balluff GmbH

Schurwaldstr. 9
73765 Neuhausen

Phone: +49 (0) 7158/ 173- 0
Fax: +49 (0) 7158/ 5010