Patent ID: 9446907
Filing Date: 2016-09-20
CPC Classification: B65G,G05B,Y02P

Claim Text:
1. A zone controller which is used for a conveyor device in which a plurality of zone conveyors are arranged in series, which manages one or a plurality of the zone conveyors to control an operation thereof, and which is configured to receive a signal from a different zone controller and transmit a signal to an outside, the zone controller comprising: a signal creation function that creates a predetermined abnormality alarm signal and transmits the created abnormality alarm signal to the outside when an abnormality occurs in a zone managed by the zone controller itself; a signal reception function that receives the abnormality alarm signal from the different zone controller; a signal processing function that applies certain processing to the received abnormality alarm signal to thereby change the received abnormality alarm signal; and a processed signal transmission function that transmits the changed signal processed by the signal processing function to the outside as the abnormality alarm signal.