2016/7/27 8:51:40 来源: 厦门泰尼电气有限公司
1783-US4T1H
1783-US4T1H
1783-US4T1H
( 8 )应用系统整体调试
在 PLC 软硬件设计和控制柜及现场施工完成后,就可以进行整个系统的联机调试,如果控制系统是由几个部分组成,则应先作局部调试,然后再进行整体调试;如果控制程序的步序较多,则可先进行分段调试,然后再连接起来总调。调试中发现的问题,要逐一排除,直至调试成功。
( 9 )编制技术文件
系统技术文件包括说明书、电气原理图、电器布置图、电气元件明细表、 PLC 梯形图。
三、 PLC 硬件系统设计
1 . PLC 型号的选择
在作出系统控制方案的决策之前,要详细了解被控对象的控制要求,从而决定是否选用 PLC 进行控制。
在控制系统逻辑关系较复杂(需要大量中间继电器、时间继电器、计数器等)、工艺流程和产品改型较频繁、需要进行数据处理和信息管理(有数据运算、模拟量的控制、 PID 调节等)、系统要求有较高的可靠性和稳定性、准备实现工厂自动化联网等情况下,使用 PLC 控制是很必要的。
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