1756-L73S/B A-B
描述
品牌: A-B
型号:1756-L73S/B
产地:USA
质保:一年
联系方式:15383419322
邮箱:2970592941@qq.com
接地是提高电子设备电磁兼容性（EMC）的有效手段之一。正确的接地，既能抑制电磁干扰的影响，又能抑制设备向外发出干扰；而错误的接地，反而会引入严重的干扰信号，使PLC系统将无法正常工作。PLC控制系统的地线包括系统地、屏蔽地、交流地和保护地等。接地系统混乱对PLC系统的干扰主要是各个接地点电位分布不均，不同接地点间存在地电位差，引起地环路电流，影响系统正常工作。例如电缆屏蔽层必须一点接地，如果电缆屏蔽层两端A、B都接地，就存在地电位差，有电流流过屏蔽层，当发生异常状态加雷击时，地线电流将更大。
Our company’s main business:
Bentley, Invensys TRICONEX, Woodward, FOXBORO, WESTINGHOUSE, Ryan, Schneider, Modicom, ABB, AB, Motorola, GE Fanuc, YASKAWA Yaskawa, Bosch REXROIH, ACSO, YOKOGAWA, Dark Horse HIMA, EMERSON EMERSON, YOKOGAWA YOKOGAWA, Honeywell, Moore Moore, EPRO, ICS TRIPLEX, bachmann Bachmann and other major brands === = mainly do PLC DCS robot servo four systems of the discontinued spare parts module card parts driver
Our products are widely used in CNC machinery, metallurgy, petroleum and natural gas, petrochemical, chemical, paper printing, textile printing, machinery, electronic manufacturing, automobile manufacturing, tobacco, plastic machinery, electric power, water conservancy, water treatment/environmental protection, municipal engineering, boiler heating, energy, transmission and distribution industry.
person: Manager Cao Telephone: 15383419322 (Same number on WeChat) QQ number: 2970592941
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