PROBLEM TO BE SOLVED: To enable appropriate communication suitable for a facility management device in an integrated facility management system that gets the facility management device to transmit facility information by an integrated management device periodically transmitting a data collection message to the facility management device.SOLUTION: In an integrated management device 1, a communication time measuring unit 14 measures a communication time from the transmission of an initial connection message to a facility management device 2 to the reception of a response message with a preset amount of communication, and on the basis of the measured communication time, a facility information collection period determination unit 15 determines the transmission period of a data collection message transmitted to the facility management device 2.SELECTED DRAWING: Figure 1
展开▼