Chapter 19 Password Management and Data Protection If the project is protected by a project password, there will be one box used to unlock the project password in the Project Password Setting window. If the users want to unlock the project password, they can type the correct password in the box, and click OK . After the project password is unlocked successfully, the project will not protected by the project password. The window will be closed after the users click Cancel . Additional remark DVPPCC01 is a data backup memory card for DVP series PLCs.
If the Program Copy to PCC01 checkbox in the Project Password Setting window is selected, the PLC connected to ISPSoft will be in a status after the project is downloaded to the PLC. If DVPPCC01 is inserted into the PLC when the PLC is in that status, the communication command before DVPPCC01 is inserted, the program will not be copied into DVPPCC01. This project downloaded to the PLC will be backed up onto DVPPCC01. However, if the PLC receives another function supports DVP-ES2 series PLCs. Please refer to the related user manuals or technical documents for more information about the firmware versions which support this function and the usage of DVPPCC01.
19.3.2 Setting and Unlocking a PLC Password Before users set a PLC password, they have to make sure that ISPSoft is connected to the PLC normally. After users click the PLC menu, point to System Security , and click Password Setting , ISPSoft will connect to the PLC, and read the information from the PLC. If the reading of the information from the PLC is successful, ISPSoft will open the Password Setting window. The message at the bottom of the window indicates whether the data in the PLC is protected by a PLC password. 19-7