Chapter 19 Password Management and Data Protection 19.4 POU Password ISPSoft allows users to set a password in a POU. If users want to open a POU protected by a password, the system will ask the users to type the correct password. The password set in a POU protects the source code or the core technique in the POU. The setting of a POU password and the unlocking of a POU password are described below. Right-click a POU in the project management area and click Properties… . The Protection section in the Properties window indicates whether the POU is protected by a POU password. 19-9