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通过对T68机床电气控制系统的PLC改造为例详细介绍采用PIE改造继电器控制的旧式机床电气控制系统的一般方法,并提倡能够对老式机床继电器控制线路进行PLC改造尝试。
Through the PLC transformation of T68 machine electrical control system as an example, this paper introduces in detail the general method of using PIE to transform the electrical control system of the old machine controlled by relays and advocates the attempt of PLC reformation on the control circuit of the old machine relays.