OPERATION CONDITION NOTIFYING SYSTEM

PROBLEM TO BE SOLVED: To notify a maintenance worker of the operation condition of a control machine in a factory by voice sound, without being affected by noise inside the factory, even if the maintenance worker is located anywhere inside the factory. SOLUTION: An operation condition notifying system is configured so as to make a monitoring PLC 7 notify the maintenance worker of the operation condition of each control machine by voice sound, on the basis of control information respectively sent from each control PLC 5 and change the voice sound signal into a radio signal to make the radio signal transmit; and meanwhile, make a maintenance worker side carry a receiver 9, and the receiver 9 receive the radio signal transmitted from the monitoring PLC 7, and notify the maintenance worker of the operation condition of the control machine from a speaker by voice, when the receiver 9 receives the radio signal. COPYRIGHT: (C)2010,JPO&INPIT