RSView Supervisory Edition Installation Guide

• • • • •RSVIEW SUPERVISORY EDITION USER’S GUIDEFor details, see the rest of this chapter, starting with “Adding users to RSView andassigning security codes to them” on page 15-23.To secure individual HMI tags at run time, assign security codes to them in RSView. To controlaccess to tags in general, including HMI and direct reference tags, allow or deny permission toperform the Tag action Write Value.For more information about how inheritance works, see RSAssetSecurity Help.Breaking the chain of inheritanceYou can override inherited permissions by breaking the chain of inheritance.To break the chain of inheritance1. In the Security Settings dialog for the resource, select the Do not inherit permissionscheck box.You are prompted to choose one of these options, instead of inheriting permissions:• Copy the inherited permissions and make them explicit for the resource.• Remove all inherited permission from the resource.Breaking the chain of inheritance applies to the resource, not to the user or group of usersselected in the Security Settings dialog box.If you choose to copy inherited permissions, the change is applied to all listed users that haveany inherited permissions. If you choose to remove all inherited permissions, all listed usersthat have only inherited permissions, are removed from the Security Settings dialog box.Using explicit permissions to override inheritanceYou can also override inheritance by allowing or denying explicit permission to performactions on selected resources.For example, in the table on page 15-18, the Supervisors group has permission to performall Common actions, except for Configure Security, at the FactoryTalk Network Directory.In the Security Settings dialog box for the application, inherited permissions for theSupervisors group, set up at the FactoryTalk Directory, appear as gray check marks, asshown in the following illustration:15-20