The suffering control place which has the maintenance work support

摘要

PROBLEM TO BE SOLVED: To provide the maintenance work support system of an electric railway facility capable of securing safety of a worker by preventing an erroneous operation.;SOLUTION: The maintenance work support system of an electric railway facility is provided with an erroneous output prevention device for preventing the erroneous output of a control signal for controlling a place to be controlled from a central processing unit, and the central processing unit transmits a signal for locking a control signal for performing opening/closing control of a circuit breaker of the place to be controlled to the erroneous output prevention device in accordance with input information from a portable terminal, locks the opening/closing of the circuit breaker and prevents power supply to a maintenance working place. Thus, the safety of a working environment can be secured.;COPYRIGHT: (C)2011,JPO&INPIT