| 4 | Distributed Stepping Motor Control System显示文摘The beam diagnostic devices used at RIBLL are driven by stepper motors, which are controlled by I/O modules based on ISA-bus in an industrial computer. The disadvantages of such mode are that a large number of long cables are used and one computer to control is unsafe. We have developed a distributed stepping motor control system for the remote, local and centralized control of the stepping motors. RS-485 bus is used for the connection between the remote control unit and the local control units. The con... | Bai Jie, Chen Zhiqiang, Xiao Guoqing, Zhan Wenlong, Guo Zhongyan, Wang Meng, Sun Zhiyu Li Jiaxing, Tian Wendong, Wang Jiansong, Wang Wusheng, Mao Ruishi, Chen Zhiqiang Hu Zhcngguo, Chen Lixin and Li Ch | 2001 | IMP & HIRFL Annual Report2001，，1： | 1 |
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