PURPOSE: To detect abnormality in the unmanned operation of an automatic depositor, a cash dispenser, a safe, etc.

CONSTITUTION: The automated equipment is equipped with a weight measurement part 2 which measures weight applied on a floor surface and outputs the weight measured value and a weight monitor part 3 which monitors variation in the weight measured value with time and judges abnormality when weight variation is caused to output an abnormality detection signal. When this weight monitor part 3 for operation control which informs a host computer, etc., of the occurrence of the abnormality according to the abnormality detection signal is so constituted as to judge the abnormality when the weight measured value exceeds a predetermined value, a burglary by more people than usual can be prevented. The predetermined value is set to the value when no load is placed on the floor surface and then it can be confirmed whether or not there is a person at the end of operation.