The invention relates to a method and an arrangement for operating a storage and retrieval unit (3). A rail line (1) and a power supply rail (6) for the storage and retrieval unit (3) is set below a dangerous operating voltage, the rectified value/effective value of which lies below a minimum rectified value/minimum effective value necessary for moving the storage and retrieval unit (3), but above zero when a danger formed by the storage and retrieval unit (3) is detected. Alternatively or additionally, the voltage applied to the rail line (1)/power supply rail (6) can be investigated in the storage and retrieval unit (3) for modulated-on change signals. The applied voltage is passed on to a traction motor (5) of the storage and retrieval unit (3) only when it has been established that the normal operation travel voltage and not the dangerous operating voltage has been applied to the rail line (1)/power supply rail (6).
Arrangement and method for operating a storage and retrieval unit
2015-12-30
Patent
Electronic Resource
English
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
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