中文摘要：

介绍了上海深紫外自由电子激光实验装置（SDUV-FEL）调制器的工作特性。调制器的本地控制采用PLC完成,调制器的远程控制采用EPICS完成。描述了远程控制系统的装置组成、软件设计、功能原理和实现方法。该系统具有数据传输高速、稳定可靠、人机界面友好、直观等特点,成功实现了调制器的监视与控制。

英文摘要：

The peculiarities of the modulators in SDUV-FEL were introduced.The local control system of modulators based on PLC and the remote control system of modulators based on EPICS were presented.The constructions,software design,function principles and realization methods were elaborated.The whole system is characterized by the stabilization and reliability of its high speed data transfer and its friendly HMI.It accomplishes monitoring and controlling the modulators successfully.