Patent ID: 11876629
Assignee: HANGZHOU KEENCOOL INTELLIGENT TECHNOLOGY CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 3:
4. The data transmission method according to claim 1, wherein after the step of sending, if the communication flag bit is the second communication flag bit, a data error identification and receiving the second target data from the second target device, the data transmission method further comprises:
sending data acquisition commands at intervals of the preset timing time to the first target device corresponding to the second communication flag bit;
determining whether a status of the first target device corresponding to the second communication flag bit is normal or not, based on collected second target data, which is sent by the first target device that corresponds to the second communication flag bit; and
changing, if it is normal, the second communication flag bit of the first target device to the first communication flag bit.