HOIST WITH AUXILIARY WINDING

摘要

PROBLEM TO BE SOLVED: To prevent overload operation of a hoist with auxiliary winding. SOLUTION: A hoist load of a main winding hoist 30 and a hoist load of an auxiliary winding hoist are totaled in a controller 34 of the main winding hoist, to be compared with a standard value which is a rated load of a hoist with auxiliary winding (main winding hoist), operation limited control is executed by judging the presence of an overload condition.