ABB IEPAF02系统模块卡件
ABB IEPAF02系统模块卡件中文资料：
ABB IEPAF02系统模块卡件如果交流或输出接线束必须经过噪声敏感信号接线束附近，请避免将它们并排放置。给它们定路线，这样，如果它们必须穿过，它们就会以直角穿过。这将使它们之间的耦合最小化。将模块分组以保持导线隔离如果可行，将PLC机架中的类似模块分组在一起有助于保持导线隔离。例如，一个机架只能包含AC模块，而不同的机架只能包含DC模块，每个机架中还可以按输入和输出类型进行分组。ABB IEPAF02例如，对于较小的系统，机架的左端可以包含模拟模块，中间可以包含直流模块，而右端可以包含交流模块。离散I/O模块连接方法Ŷ对于16点或更少的模块，标准方法是使用这些模块附带的可拆卸端子板。可移动终端板可方便地将现场接线预连接到用户提供的输入和输出设备，并可在不干扰现有现场接线的情况下更换现场模块ABB IEPAF02
英文资料
Where AC or Output wiring bundles must pass near noise-sensitive signal wiring bundles, avoid running them beside each other. Route them so that, if they have to cross, they do so at a right angle. This will minimize coupling between them. Grouping Modules to Keep Wires Segregated If practical, grouping similar modules together in the PLC racks can help keep wiring segregated. For example, one rack could contain only AC modules, and a different rack only DC modules, with further grouping in each rack by input and output types. For smaller systems, as an example, the left end of a rack could contain Analog modules, the middle could contain DC modules, and the right end could contain AC modules. Discrete I/O Module Connection Methods Ŷ For modules with 16 points or less, the standard method is to use the removable terminal board which comes with these modules. The removable terminal board makes it easy to prewire field wiring to the user supplied input and output devices, and to replace modules in the field without disturbing existing field wiringABB IEPAF02
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