| 摘要 |
PURPOSE:To attain multiplex communication of the polling system performing frequency communication between a terminal station and a master station with high priority by preparing two kinds of address set tables having high and low priority for a table of the master station and giving priority to each terminal station. CONSTITUTION:Communication between terminal stations having addresses represented by two addresses is conducted alternately, an address of a terminal station requesting fast response especially is registered in a terminal station address registering table 9-2 having high priority and the number of registrations of the table 9-2 with high priority is decreased less than the number of registrations of a table 9-3 having low priority. Thus, the multiplex communication with the polling system communicating frequently only with a specific terminal station is obtained in this way. |
