HIMax Safety Manual - Tuv-fs.com

HIMax9 SoftwareWARNINGUse of forced values can disrupt the safety integrity!Only remove existing forcing restrictions with the consent of the test authorityresponsible for the final system acceptance test.9.5.3 Force EditorSILworX Force Editor lists all variables, grouped in global and local variables.For each variable, the following can be set:• Force value• Switch-on or off a force switch to prepare for forcing variablesForcing can be started and stopped for both local and global variables.When starting, set a time limit or start forcing for an indefinite time period. If none of therestrictions apply, all variables with an active force switch are set to their force values.If forcing is stopped manually or because the time limit has expired, the variables will againreceive their values from the process or the user program.For more information about the Force Editor and forcing, refer to the SILworX Online Help.Basic information about forcing can be found in the TÜV document "MaintenanceOverride“.This document is available on the TÜV homepage:http://www.tuv-fs.com orhttp://www.tuvasi.com.9.6 Protection against ManipulationTogether with the responsible test authority, the user must define which measures shouldbe implemented to protect the system against manipulation.Protective mechanisms for preventing unintentional or unapproved modifications to thesafety system are integrated into the PES and SILworX:• Each change to the user program or configuration creates a new CRC. These changescan only be transferred to the PES via download or reload.• The operating options depend on the user login into the PES.• SILworX prompts the user to enter a password in order to connect to the PES.• No connection is required between the PADT and PES in RUN.All requirements about protection against manipulation specified in the safety andapplication standards must be met. The operator is responsible for authorizing employeesand implementing the required protective actions.DANGERDanger: Personal injury due to unauthorized manipulation of the controller!Protect the controller against unauthorized access!For instance, change the default settings for login and password!PES data can only be accessed if the PADT in use is operating with the current version ofSILworX and the user project is available in the currently running version (archivemaintenance!).HI 801 003 D Rev.2.0 Page 51 of 70