| 摘要 |
PURPOSE:To make lifting control easy, by reducing the data collecting period of data group relating to the lifting control in lifting control. CONSTITUTION:When a selection signal 20 is transmitted from a master station 1, a slave station 2 receives the selection signal 20, and a selection completion signal 21 and a data 22 relating to a control objective are transmitted, and thereafter, if the request of transmission is not transmitted from a master station, when the signal is once selected, selection completion signals 23, 25 and data 24, 26 are transmitted one after another. Next, if lifting control is made, a control instruction 27 is transmitted from the master station, and when the slave station receives the control instruction 27, a control reception input 28 and data 29 are transmitted. Thereafter, even if the request of transmission is not transmitted, a selection completion signal 30 and data 31 are transmitted from the slave station. Next, a selection release signal 32 is transmitted from the master station with the selection release operation, and if the response signal 33 is transmitted from the slave station, normal cyclic data collection and status change monitoring are reverted to a plurality of slave stations. |
