描述
接地分为保护接地和工作接地，其作用均为抑制干扰源，提高电子设备抗电磁干扰的能力。变频器的正确可靠接地是抑制噪声和减少干扰主要措施，如将变频器与电源分开接地，其抑制干扰效果更好。
变频器的接地，先在机柜内将各种接地线汇于柜内的汇流排，然后用粗铜线接到公共接地体上。但应禁止与电源、避雷器的接地线连在一起，接地线之间的绝缘应良好可避免接地干扰。
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主营：世界知名品牌的PLC、DCS系统备件模块
①Allen-Bradley(美国AB)系列产品》
②Schneider(施耐德电气)系列产品》
③General electric(通用电气)系列产品》
④Westinghouse（美国西屋）系列产品》
⑤SIEMENS(西门子系列产品)》
⑥销售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse（西屋）：OVATION系统、WDPF系统、MAX1000系统备件。
⑧Invensys Foxboro（福克斯波罗）：I/A Series系统，FBM（现场输入/输出模块）
顺序控制、梯形逻辑控制、事故追忆处理、数模转换、输入/输出信号处理、数
据通信及处理等。Invensys Triconex:冗余容错控制系统、基于三重模件冗余（TMR）
结构的zui现代化的容错控制器。
⑨Siemens(西门子)：Siemens MOORE，Siemens Simatic C1，Siemens数控系统等。
⑩Bosch Rexroth（博世力士乐）：Indramat，I/O模块,PLC控制器,驱动模块等。
◆Motorola（摩托罗拉）：MVME 162、MVME 167、MVME1772、MVME177等系列。
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SUPELCO Discovery C8 59353-U21 HPLC Column
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