1 encryption: In the CX-P programming software workspace, right-click "New plc", select "Properties" - "Protect", enter the 8-digit password in the UM read protection password, as shown below: Then download the program to the PLC, and finally select "Protect" - "Set Password" in the "PLC" drop-down menu. 2 release: After the CX-P software communicates with the PLC online, select “Protect†- “Release Password†in the “PLC†drop-down menu and enter the password. *Note: If the programmer does not want the encrypted program to be overwritten by other users' programs, you can tick the "Prohibit overwriting protected programs" option in the properties. If you want to overwrite the PLC program after the operation, you need to release the password first. . Usb Switch And Socket,Usb Kvm Switch,Usb 3 Switch,Usb Socket ZHEJIANG HUAYAN ELECTRIC CO.,LTD , https://www.huayanelectric.com