| 1. | Like this even if once on the position machine breaks down , also does not affect the lower position machine control , causes the plc system the production control function and the information management function merges into one organic whole , the realization " the danger is dispersible , control centralism " goal
这样即使一旦上位机发生故障,也不影响下位机的控制,使得plc系统的生产控制功能和上位机的信息管理功能融为一体,实现“危险分散、控制集中”的目的。 |
