PLC完全卸载.doc

Complete deinstallation of STEP 7 including all software packages QUESTION:How can I completely deinstall STEP 7? ANSWER:It is principally recommended to deinstall the complete Siemens-Software and to reinstall it after the deinstallation of step 7.The following text describes the procedure. Warning:In the deinstallation described the complete SIEMENS folder and all Registry entries of the Siemens software installed on your computer are deleted. If this folder still contains projects, then you must copy them to another directory using the SIMATIC Manager function File Save As. You can also save the data in another directory or on a different drive using the function File Archive. Do not copy or move the projects using the Windows Explorer. Still save your GSD files from the directory DRIVE:\Siemens\Step7\S7data\gsd\. Important:First transfer your authorizations to the authorization floppy disk provided for this. Start the Software via Start Settings Control Panel and deinstall all the SIMATIC applications. Then restart the PG / PC. Start the Registry editor via the menu command Start Run. Enter regedit and acknowledge with OK. The Registry editor now starts. Open the directory HKEY_CURRENT_USER Software. There you will find the SIEMENS subdirectory. Select this directory and delete it. Open the directory HKEY_LOCAL_MACHINE SOFTWARE. In it you will find another SIEMENS directory. Select this directory too and delete it. Then the Registry is free of all SIEMENS entries. Close the Registry editor and then delete the complete Siemens directory (DRIVE:\Siemens) as well as all the S7 files in the Windows system directory. For this you open the Search mask via Start Search Files/Folders... and search for all the S7*.* files. Delete the SIMATIC folder in the start menu. Delete the data file simatic.cfg, located in the Windows-directory (e.g. C:\WinNT oder C.\Win98).Note:With new operating systems it might be the case, that this file is already no