To provide a working machine which can be used for both a case of an unmanned operation system using a radio LAN and a case wherein it is controlled by conventional radio operation and is flexibly adaptive to the different control styles.
The working machine 10 is provided with a PLC 20 and an NT server device 50 and in a control room 100 for controlling the working machine 10, an NT server device 120 and a remote controller 150 are installed. The NT server device 50, an NT server device 120, and the remote controller 150 are connected by a radio LAN, through which various data are sent and received to perform unmanned operation. The working machine 10 has a function of radio reception from a radio control operation machine 400 and a function of direction input from a console panel 320 and according to the switching of the operation mode, the unmanned operation through the radio LAN, the unmanned operation under radio control, and manned operation by the direction input are selectively carried out.
MATSUO MUNEYOSHI
ODA HIROSHI
YAMAMOTO TAKESHI
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