讨论了60Co集装箱检查系统的安全联锁方法。介绍了用PLC设计安全联锁控制系统的硬件结构和软件编程。由于采用了PLC分布式控制结构,系统的运行稳定、安全、可靠。PLC在60Co集装箱检查系统中的成功应用,对其在核技术方面的广泛运用有一定的借鉴和参考价值。%This paper discusses the interlock technique of 60Co containerinspection system, and introduces the hardware structure and program of interlock control system using PLC. Due to adopting PLC distributed control, the system works stably and reliably. The successful application of PLC in 60Co contaner inspection system has some use for reference in nuclear technology field.
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