| 摘要 |
An interface supply device (7) for controlling an electric motor (2'), comprises a pair of input terminals (7"), to which supply means (10) can be connected, and a pair of output terminals (7'), which can be connected to the supply terminals of said electric motor (2'); the device further comprises detection means (11) for generation of one or more electrical signals proportional to measurements of physical parameters external to said device (7) or of parameters of operation of said electric motor (2'), and processing and control means (8), connected to said detection means (11); said processing and control means (8) process said one or more electrical signals coming from said detection means (11) and compare them with one or more pre-set thresholds, following upon overstepping of one or more of said thresholds, said processing and control means (8) varying the supply of said electric motor (2').
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