The backup deployment manager should only be used for operationalcontrol, since any changes made to the system are not reflected back to the original deployment manager.
备份部署管理器应仅用于操作控制，因为对系统进行的任何更改都不能反映初始的部署管理器。
2
Methods The computer control was adopt and based on operational process to design system functional modularization.
方法：采用计算机控制，根据操作流程进行系统功能的模块化设计。
3
Input modules of PLC can be saved and a convenient means for design of operational board in PLC controlsystem is provided.