Daisy Data 7191AA 사용자 설명서 - 페이지 5

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1. Introduction

Thank you for selecting a Daisy solution for your hazardous area operator interface needs. This

manual contains drawings and component locations for installing and setting up Daisy Data flat

panel operator interface systems. In addition, Daisy Data provides warnings, precautions, and

methods to ensure that the electronic systems are safe for hazardous areas. This explains the

theory behind the unique product and services provided by Daisy Data. Should you have any

inquiries or concerns, please contact Daisy.

National Electrical Manufacturers Association (NEMA) is the regulatory body that defines the

criteria for electrical enclosures.

3. Applicable Ratings

NEMA defines a 4X enclosure as:

*..."Type 4X Enclosures constructed for either indoor or outdoor use to provide a degree of

protection to personnel against access to hazardous parts; to provide a degree of protection

of the equipment inside the enclosure against ingress of solid foreign objects (windblown

dust); to provide a degree of protection with respect to harmful effects on the equipment

due to the ingress of water (rain, sleet, snow, splashing water, and hose directed water);

that provides an additional level of protection against corrosion; and that will be

undamaged by the external formation of ice on the enclosure."

Please note that DAISY's systems have been fully tested under the supervision of

Factory Mutual (FM) to ensure compliance with the standards.

*Part of the NEMA definition of NEMA 4X Enclosures

D004-000013

7191AA User Manual