Feeder power control apparatus and method thereof

When the mode setting routine is started, the mounting machine controller performs bidirectional communication by supplying power to the feeder controller built into each feeder (S100), acquires the slot position and the feeder information for each feeder ( S110). Then, mounting machine controller, a feeder mode not set one selected (S130), it determines whether the selected feeder is registered in the production job (S140). And if was registered, and set the feeder to the standby mode (S150), if it is not registered, and sets the feeder unused mode (S160). In the standby mode, so that it can supply the component in accordance with the component supply command from the feeder mounter, power is supplied only to the feeder controller. The unused mode, power is not supplied to the motor in the controller.