输出不仅和改进或者变更有联系，还有可能是关于其他重要事项所做的决定，诸如计划引进新的产品等。
Output is not only related to improvements or changes but could include decisions on other important issues such as plans to introduce new products.
主要论述了在PLC控制系统中，为了提高系统的安全可靠性，PLC的输入输出接口应注意的事项和较实用的接线方式。
The paper mainly discussed the practical connection modes in the PLC the points of attention for PLC control system, so as to improve input and output interface and the system safety and reliability.
主要论述了在PLC控制系统中，为了提高系统的安全可靠性，PLC的输入输出接口应注意的事项和较实用的接线方式。
The paper mainly discussed the practical connection modes in the PLC the points of attention for PLC control system, so as to improve input and output interface and the system safety and reliability.
应用推荐