ABB DSAO120 57120001-EY数字量输入卡件
ABB DSAO120 57120001-EY数字量输入卡件中文资料：
ABB DSAO120 57120001-EY数字量输入卡件CPU363、CPU364和CPU374屏蔽接地CPU363，CPU364和CPU374模块必须在其安装的插槽处连接到机架接地。为此，每个模块都配有接地线。这些模块不支持或不需要使用接地支架。如果要将接地线上的环形端子安装到涂漆表面，请清除环形端子下的油漆，以确保良好接触，或在环形端子和涂漆表面之间放置星形锁紧垫圈。请参见下图。ABB DSAO120 57120001-EY数字量输入卡件注意：星形锁紧垫圈方法适用于屏蔽接地，但不适用于安全接地。具有屏蔽接地要求的其他模块90-30系列选件模块中的一些，如FIP远程I/O扫描器（IC693BEM330）和DSM模块（IC693DSM302和IC693DSM 314）也具有屏蔽接接地要求。这些模块配有适当的接地硬件。有关接地说明，请参阅每个模块的用户手册。附录G包含产品与出版物的对照，以帮助您识别正确的手册。ABB DSAO120 57120001-EY数字量输入卡件
英文资料
CPU363, CPU364, and CPU374 Shield Grounding The CPU363, CPU364, and CPU374 modules must be connected to frame ground at the slot where they are installed. Each module comes with a grounding wire for this purpose. These modules do not support or require the use of a grounding bracket. If the ring terminal on the grounding wire is to be mounted to a painted surface, remove the paint under the ring terminal to ensure good contact, or place a star lock washer between the ring terminal and the painted surface. See the next figure. Note: The star lock washer method is suitable for a shield ground, but not suitable for a safety ground.Additional Modules with Shield Grounding Requirements Some of the Series 90-30 Option modules, such as the FIP Remote I/O Scanner (IC693BEM330), and DSM modules (IC693DSM302 and IC693DSM314) also have shield grounding requirements. These modules come equipped with suitable grounding hardware. Please refer to each module’s user’s manual for grounding instructions. Appendix G contains a product to publication crossreference to help you identify the correct manual.
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