FACILITIES CONTROLLER, AND SYSTEM AND METHOD FOR MONITORING AND CONTROLLGING FACILITIES HAVING THE SAME

摘要

PURPOSE: A facility control device, a facility control system comprising the same, and a facility control method are provided to restore when an error is occurred at a part of multiple facility control devices by controlling the multiple facility control devices to monitor each other. CONSTITUTION: Multiple facility control devices collect idle parts of a memory for composing a common resource. The multiple facility control devices mutually request status information, and transmit the status information as a response for sharing the status information. Each facility control device uses the received status information for monitoring the occurrence of errors. [Reference numerals] (AA) Share; (BB,CC) Common resource; (DD) #1 information for recovery; (EE) #2 information for recovery; (FF) #3 information for recovery; (GG) Recovery; (HH) Information storage; (II) Abnormal occurrence; (JJ) Mutual monitoring;