ABB IEMMU11处理器模块
ABB IEMMU11处理器模块中文资料：
ABB IEMMU11处理器模块电线布线为了减少PLC电线之间的噪声耦合，建议将电气噪声布线（如交流电源布线和离散输出模块布线）与低电平信号布线（如直流和模拟输入模块布线或通信电缆）物理隔离。这可以通过在可行的情况下单独分组以下类别的布线来实现：ŶAC电源布线。这包括PLC电源的交流输入，以及控制柜中的其他交流设备。模拟输入或输出模块接线。这应该被屏蔽以进一步减少噪声耦合ABB IEMMU11。有关详细信息，请参阅GFK-0898系列90-30 I/O模块规格手册。Ŷ离散输出模块接线。这些开关通常切换感应负载，在关闭时会产生噪声尖峰。ŶDC输入模块接线。尽管这些低电平输入在内部受到抑制，但应通过观察这些布线实践来进一步防止噪声耦合。Ŷ通信电缆。接线（如Genius总线或串行电缆）应远离产生噪音的接线ABB IEMMU11
英文资料
Wire Routing To reduce noise coupling among PLC wires, it is recommended you keep electrically noisy wiring, such as AC power wiring and Discrete Output Module wiring, physically separated from low-level signal wiring such as DC and Analog Input module wiring or communications cables. This can be accomplished by grouping separately, where practical, the following categories of wiring: Ŷ AC power wiring. This includes the AC input to the PLC power supply, as well as other AC devices in the control cabinet. Ŷ Analog Input or Output Module wiring. This should be shielded to further reduce noise coupling. See the Series 90-30 I/O Module Specifications Manual, GFK-0898 for details. Ŷ Discrete Output Module wiring. These often switch inductive loads that produce noise spikes when switched off. Ŷ DC Input Module wiring. Although suppressed internally, these low-level inputs should be further protected against noise coupling by observing these wiring practices. Ŷ Communications Cables. Wiring such as Genius Bus or serial cables should be kept away from noise-producing wiringABB IEMMU11
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