Fast and reliable information about actual load and wind speed are of immense importance to operators of cranes or other building and construction machinery who need to react to potentially hazardous situations immediately. Retrofitting existing equipment with appropriate technology, however, is often a problem – either because it is too expensive or because it may simply not be possible, such as in the case of crane hooks.
With a complete product range of wireless sensors, Hirschmann Automation and Control GmbH from Ettlingen (Germany) is presenting a solution for this world market that eliminates the need for cabling. The overall system – comprising fSENS KMD-W1 force sensors with a capacity of 6 and 20 metric tons, the gSENS WGF-W1 angle sensor, the iSENS WSS-W1 wind speed sensor and the iSENS HES-W1 Anti-2-block switch – is targeted at providing a simple as well as time-saving means of retrofitting cranes and other B&C machinery with safety-enhancing sensor technology.
The system’s iSCOUT PRS85 graphical multi-sensor display allows users to configure up to seven sensors with individual alarm settings and to manage all information and alarm events. In view of the global use of the system, the display supports multiple operator languages.
For crane and other B&C machinery operators, safety means having all the relevant information available without delay and in a transparent way. Therefore, the display shows the actual force, angle, wind speed and other values in percent of their maximum settings. If one of the limits should be exceeded, the equipment will be switched off or a built-in relay will trigger an external alarm.
Of further benefit to safety, the system performs cyclic “health checks” and displays the remaining battery capacities of all connected sensors.
Furthermore, the wireless sensors can be connected by means of CANopen to a controller, such as the iSCOUT mentor. The required communication interface is provided by the iFLEX TRS10 transceiver module. Alternatively, the sensor signals can be forwarded to other control systems through up to four iFLEX TRS14 analogous current or voltage interfaces or through two iFLEX TRS12 relay outputs.
All sensors can be operated using standard alkaline or lithium batteries, providing a service life of more than 12 months in typical applications.
The new wireless sensors family uses the 2.4 GHz frequency band, which is freely available around the world. DSSS/QPSK1 radio technology according to IEEE 802.15.4 ensures maximum availability over high distances of up to 300 meters.
For further information about Hirschmann sensors and controllers for mobile equipment, please visit www.hirschmann-ac.com.
[Fast and reliable information about actual load and wind speed are of immense importance to operators of cranes or other building and construction machinery who need to react to potentially hazardous situations immediately. (Foto Belden, BLDPR111)
Belden designs, manufactures and markets signal transmission solutions, including cables, connectors and I/O modules as well as network devices and control, load sensing and load moment limitation systems designed for safety-critical applications ranging from industrial automation to data centers, broadcast studios and the aviation and aerospace industry. The company focuses on segments of the worldwide cable and automation markets that require both highly specialized and readily available products.
With manufacturing facilities in North America, Europe and Asia, Belden has recorded a total revenue of USD 2 billion for the fiscal year 2008.
Together with its brands Hirschmann™ and Lumberg Automation™, Belden EMEA offers an extensive and highly specialized product portfolio covering the full range of data communications – from the information and control levels down to the field level. The company has more than 15 offices throughout Europe, the Middle East and Africa, with manufacturing facilities in Germany, the Netherlands, UK, Denmark, Italy and Hungary.
For more information about Belden, please visit www.belden-emea.com.
For further information, please contact:
Nancy van Heesewijk
4612 PS Bergen op Zoom
Tel: +31 164 317 018
Fax: +31 164 317 039
Tel: +31 77 387 8555
Fax: +31 77 387 8488
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