Intelligent electrical device
A technology of smart power and sub-modules, applied in the field of smart distribution stations, can solve the problems of strong dependence on computing power and inconvenient expansion, and achieve the effects of enhancing system scalability, reducing computing pressure, and reducing system costs.
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[0049] Example
[0050] The smart power device in this embodiment is as Figure 15 As shown, it consists of 4 parts, including the main CPU module, the connection backplane, the sub CPU-analog sampling module and the sub CPU-I / O module. The data interaction method between the main CPU and the sub CPU and the internal simulation of the sub CPU module are described in detail below. The mutual transfer relationship of signals, I / O signals, and control signals.
[0051] The main CPU module is the control center of the device, responsible for the identification of the sub-CPU module, the data gating and data switching of the sub-CPU module, the protection criterion of the system, and the interaction with the HMI to manage all resources inside the device. The connection backplane is used to transmit the information collected by each sub-CPU to the main CPU through the communication bus, and provide working power for each module.
[0052] There are CPU, A / D chip, multi-channel switch, ana...
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