EMERSON KJ3001X1-BB1 Industrial control DCS system

The total shielding effectiveness is the sum of the absorption loss and the reflection loss. Consider the use of thin metal foils for shielding high frequency (broadcast frequencies and above) plane and electric fields. (18) Employ the following installation guidelines when constructing shielded facilities. (a) Securely ground all metal shields. (b) All seams and joints must be well bonded. Welded seams are highly desirable in enclosures, which must provide a high degree 80 dB of RF shielding or are intended for EMP protection. Where welding is impractical, solder or knitted wire gaskets should be used to supplement the mechanical fasteners. (c) Limit openings (windows, doors, ventilation ports) and penetrations (signal lines, power lines, utilities) to the lowest possible number and restrict their dimensions to a minimum.

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1.Focus on DCS, PLC, robot control system and large servo system. Main products: various modules/cards, controllers, touch screens, servo drives.

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