ABB NBRA-658C制动斩波器
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ABB NBRA-658C制动斩波器记住，电缆屏蔽只能在一端接地。此外，最好尽量缩短剥线电缆引线的长度，以尽量减少暴露在噪声环境中的非屏蔽导体的长度。有关更多详细信息，ABB NBRA-658 I/O模块规格手册。直接方法。将屏蔽电缆从现场设备（传感器、电位计等）直接连接至模块。将导线连接至模块端子板上的适用螺钉。将现场设备端的屏蔽接地，使最小数量的导体暴露在噪声环境中。不要在模块端连接屏蔽（用热缩管将其绝缘）。端子条法。在控制外壳内安装接线板，并将屏蔽电缆从接线板连接到模块的接线板端子。将屏蔽件连接到端子排旁边的金属面板。不要在模块端连接屏蔽（用热缩管将其绝缘）。用屏蔽电缆将现场设备连接到接线板，仅在设备端将屏蔽接地（用热缩管将屏蔽的另一端绝缘）。此外，应尽可能缩短端子板和设备端的裸露导线长度。ABB NBRA-658
ABB NBRA-658Remember, the cable shield should be grounded at one end only. Also, it is best to keep the length of stripped cable leads as short as possible to minimize the length of unshielded conductors that will be exposed to the noisy environment. ABB NBRA-658 Module Specifications Manual, GFK-0898 for additional details.Direct Method. Run a shielded cable from the field device (transducer, potentiometer, etc.) directly to the module. Connect the conductors to the applicable screws on the module’s terminal board. Ground the shield at the field device end, exposing a minimum amount of conductor to the noisy environment. Do not connect the shield at the module end (insulate it with shrink tubing).Terminal Strip Method. Mount a terminal strip inside the control enclosure and run a shielded cable from the terminal strip to the module’s terminal board terminals. Connect the shield to the metal panel next to the terminal strip. Do not connect the shield at the module end (insulate it with shrink tubing). Wire the field device to the terminal strip with a shielded cable, grounding the shield at the device end only (insulate the other end of the shield with shrink tubing). Also, keep the length of exposed leads at the terminal strip and device ends as short as possible.ABB NBRA-658
品牌：ABB
型号：ABB NBRA-658C
产品说明：制动斩波器
特点：模块/卡件，控制器，触摸屏，伺服驱动器
优势：供应进口原装正品，专业停产配件。
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