Emergency control for a hoist

摘要: The control system (9) controls the appliance electric motor (8). An input unit (13) is provided which responds to commands, provide at least three operating modes: 'lift'/'lower' and 'stop'. At one protection or relay (45-48) provided, across a current supply can be connected motor, in order set motion. A microprocessor (19) two connections (24,25,26). As well as output connection (32,35), for transmitting signals relay. auxiliary (54) an (25) connectable with power element (45), controlling (34) of microprocessor.