摘要 |
A centralized controller 2 controls facility equipment 3a and 3b according to a sequence control program corresponding to standard functions of the facility equipment 3a and 3b. In addition, the centralized controller 2 receives control information for controlling a unique function of the facility equipment 3a and 3b and a PIN code, which are transmitted from a programmable controller 1, and transmits, if the PIN code is a valid code, the control information to the facility equipment 3a and 3b.
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