Patent ID: 9104188
Filing Date: 2015-08-11
Classification: G05B

Abstract:
1. An equipment controlling system comprising: a first controller connected to equipments of a first group to monitor and control operations of the equipments of the first group; and a second controller connected to equipments of a second group to monitor and control operations of the equipments of the second group; wherein the first controller emergently controls the equipments of the second group based on stored emergency control data of the second controller and stores a controlled record when the second controller malfunctions, wherein the second controller emergently controls the equipments of the first group based on stored emergency control data of the first controller and stores a controlled record when the first controller malfunctions, wherein the first controller controls the equipments of the second group to perform a high priority control operation when the second controller malfunctions, wherein the equipments of the first and second groups include at least one indoor unit and at least one outdoor unit, wherein the first controller and the second controller are connected to each other through an emergency control line, wherein the first controller is connected to the equipments of the second group through the emergency control line according to a wire communication or a wireless communication, and the second controller is connected to the equipments of the first group through the emergency control line.