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对如何减少PC机的I/O点数方法进行了讨论,这些方法可在PC控制系统设计时参考采用,只要在满足控制要求的前提下,尽可能减少PC机的I/O点数,将使系统造价降低。
How to reduce the I / O points of PC is discussed. These methods can be used in the design of PC control system, as long as the control requirements to meet the premise, as much as possible to reduce the PC I / O points, the system will Cost reduction.