.1 Overview 1 概述A robot is made up of two principal parts:机器人主要由两部分组成：Controller: 控制器 Manipulator: 操纵器Figure 1 The controller and manipulator are connected by two cables.图1 控制器和操纵器由两根电缆连接在一起You can communicate with the robot using a teach pendant unit and/or the operators panel, located on the controller (see Figure 2).用户可以使用示教屏和/或位于控制器上的操作面板（见图2）实现与机器人的人机对话。Figure 2 The teach pendant unit and the operators panel.图 2 示教屏和操作面板2 Th
