说明：  本手册在你用PID模块实现控制时提供帮助，为你介绍控制模块的功能并使你熟悉模块参数设置的用户界面。当你给模块设置参数时，用户界面包含的在线帮助可以为你提供进一步的帮助。
(This manual provides help when you use the PID module to realize the control. It introduces the functions of the control module and makes you familiar with the user interface of module parameter setting. The user interface includes online help to further help you as you set parameters to the module.)