RSView Supervisory Edition Installation Guide

• • • • •RSVIEW SUPERVISORY EDITION USER’S GUIDE• data servers that allow clients to access information in programmable controllers,devices, and other data servers that comply with the OPC ® -DA 2.0 specification,without the use of HMI tags. That data servers that can be used include RSLinx ®Enterprise and OPC data servers (including RSLinx Classic).Every vendor’s OPC data server is different. Some contain tag databases of their own,like the tag database in an HMI server, while others reference the tag databases oraddresses that exist in controllers, as is the case with RSLinx and ControlLogix ® .• components such as graphic displays, HMI tags, and data log models, created inRSView Studio.• a list of users, plus the security codes that grant or deny users permission to accesssecured HMI project components.Stand-alone applications have the following characteristics:• The software programs that allow a stand-alone application to run, for example,FactoryTalk® Directory, the HMI server, and the HMI clients, are all located onthe same computer.• A stand-alone application has only one area, which is the application root area. Youcannot add areas to a stand-alone application.• A stand-alone application can have only one HMI server which is createdautomatically when the applications is created, and has the same name as theapplication.• Only OPC data servers can be located on other computers.• You do not have specify the location of FactoryTalk Local Directory, for use withstand-alone applications. This is done automatically when you install RSViewSupervisory Edition.For information about distributed applications, see Chapter 5, Working withdistributed applications.Key conceptsFactoryTalk DirectoryFactoryTalk Directory is software that allows the parts of an application to find each otheron a computer, or on the network. For example, to access information via a non-HMI dataserver, an HMI client uses FactoryTalk Directory to find out which computer on thenetwork is hosting the data server.6-2