Rievtech HMI Panels | Software Built-in Library Picture Library provides rich picture library. It includes many popular image categories widely used for industrial application development. Offline Simulator It is to test HMI project offline on PC without connecting with PLC. Address Tag Library The “Address Tag Library” saves the addresses in the tag form. This makes it easy to use and modify the address for the user. You can add, delate, import and export your tags. 20 Pop-Up Windows They are triggered by alarms (bit or word value) with messages for the operator or display more information about process working area whenever the space of main screen is unavailable.