| 摘要 |
PURPOSE:To decrease the data updating interval by sending only a required word address without sending an undesired word address. CONSTITUTION:In the cyclic information transmission system sending cyclicyl the information from the 1st station to the 2nd station in time division multiplex, the 1st station has a table storing the information scheduled for the transmission corresponding to the word address and when the sent information takes place, only the address added with the sent information is included in a transmission format and sent to the 2nd station. Concretely. SYNC and synchronizing words W(a), W(b), W(c) are word addresses having the sent information in the operating transmission format and the values are optional. Thus, the only the word address required to be sent, that is, only the word address having the sent information is included in the transmission format in such a way and the word address without the sent information is not included in the transmission format.
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