| 摘要 |
PURPOSE:To decrease a time delay at the point of time between a control operation and the confirmation of an operating state by sending a transmission signal corresponding to the access address of the said transmission signal after the transmission signal sending a control data as the transmission data from a master equipment and returning a supervisory data from the terminal equipment of the said address at the returning period of the transmission signal. CONSTITUTION:The master equipment 1, in the process of an instruction processing, discriminates whether a given instruction is a control instruction or not, and when the instruction is the control instruction, a control data CD corresponding to the control instruction is formed as a transmission data and the transmission signal with a prescribed format is sent together with a prescribe address data AD. Then the transmission signal of the same address is sent immediately after the transmission signal is sent. As the content of the data CD in this case, a data replying the supervisory data is written. A remote control relay is driven based on the control data at the 1st access in the said terminal equipment 2, and the operation supervisory data of the remote control relay just before being fetched with the contact of the remote control relay in the 2nd access is sent during the reply period RT of the transmission signal. Then the master equipment 1 receives the reply signal to confirm the operation of the said terminal equipment 2. |
