| 摘要 |
The present disclose a method for controlling a building automatic control device comprising a CPU module including a main-CPU module and a sub-CPU module, a functional module and a host. The method comprises an initial operation step, a synchronization step, a conversion step, a restoring step and a reporting step. By the method, the CPU module which is duplicated to gain safety of a direction digital control (DDC) used in the building automatic control device operate continuously.
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