介绍了MCV41A系列变频器技术参数、吊杆控制电路图、参数设置、故障诊断和日常维护。电动吊杆是大剧院、多功能厅等剧场中重要的舞台设备,设置于舞台上部,用于提升布景、各种幕布等,参加演出活动,电动吊杆可以单独运行也可以几台同步组合运行。电动吊杆由吊杆、卷扬系统、控制系统和保护装置等组成。吊杆杆体多为桁架式,卷扬系统由电动机、齿轮箱、制动器、卷筒、 Introduced MCV41A series inverter technical parameters, boom control circuit diagram, parameter settings, fault diagnosis and routine maintenance. Electric boom is the Grand Theater, multi-function hall and other theater important stage equipment, set in the upper stage, used to enhance the scenery, all kinds of curtains, etc., to participate in performance activities, electric boom can be run alone or in several simultaneous operation . Electric boom by the boom, winch system, control systems and protection devices and other components. Suspension rod body mostly truss, winch system consists of motors, gear boxes, brakes, drums,