Communication method of power management system
A power management system and communication method technology, applied in the field of power equipment, can solve problems such as passwords are easy to be stolen, data security is low, and there is no effective change mechanism, so as to achieve the effect of reducing maintenance costs
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[0032] In order to further illustrate the principle and structure of the present invention, preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
[0033] Such as figure 1 As shown, one of the working principles of the power management system communication method of the present invention, the power management system includes a master station and a slave station connected to each other by communication, and the communication between the master station and the slave station is compatible with the DL / T645 protocol, The master station stores the second key and can perform the second encryption operation; the slave station stores the first key and can perform the first encryption operation; the communication between the master station and the slave station includes the following steps: :
[0034] 1. The master station and the slave station exchange random sequences;
[0035] 2. The slave station uses the random...
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