About this User ManualAny security measures described in this User Manual, e. g. for user access, passwordsecurity, network security, firewalls, virus protection, etc., represent possible stepsthat a user of an 800xA System may want to consider based on a risk assessmentfor a particular application and installation. This risk assessment, as well as the properimplementation, configuration, installation, operation, administration, and maintenanceof all relevant security related equipment, software, and procedures, are theresponsibility of the user of the 800xA System.This user manual describes the hardware installation, configuration, and handling ofFOUNDATION™ Fieldbus Linking Device LD 810HSE Ex for non-hazardous and forhazardous areas.The reader should have a basic understanding of the FOUNDATION™ Fieldbus systemarchitecture and communications protocol.User Manual ConventionsMicrosoft Windows conventions are normally used for the standard presentation ofmaterial when entering text, key sequences, prompts, messages, menu items, screenelements, etc.Warning, Caution, Information, and Tip IconsThis User Manual includes Warning, Caution, and Information where appropriate to pointout safety related or other important information. It also includes Tip to point out usefulhints to the reader. The corresponding symbols should be interpreted as follows:Electrical warning icons indicate the presence of a hazard that could result in electricalshock.Warning icons indicate the presence of a hazard that could result in personal injury.Caution icons indicate important information or warning related to the conceptdiscussed in the text. It might indicate the presence of a hazard that could result incorruption of software or damage to equipment/property.2PAA114135-610 13About this User ManualUser Manual Conventions