1746-IB16/C

详情描述：

1746-IB16/C

1746-IB16/C

1746-IB16/C

大多数模块式PLC使用底板或机架，其作用是：电气上，实现各模块间的联系，使CPU能访问底板上的所有模块，机械上，实现各模块间的连接，使各模块构成一个整体。　　

七、PLC系统的其它设备

1、编程设备：编程器是PLC开发应用、监测运行、检查维护不可缺少的器件，用于编程、对系统作一些设定、监控PLC及PLC所控制的系统的工作状况，但它不直接参与现场控制运行。小编程器PLC一般有手持型编程器，目前一般由计算机（运行编程软件）充当编程器。

                    
                                                  
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