To the Control program for an S7-200 CPU consists of the following types of Program Organizational Unit (POU): Main program, Subroutines, Interrupt routines.
How to set and unlock POU password S7-200 use Step7 MicroWin V4.0 Software SP9 also free POU Unlock Software
Setup an POU Password
Step 1: Use Step7 MicroWIN V4.0 program open the project. Right click on a POU > Properties. > Protection tab
Remember:
When you right-click on the “MAIN” POU, you will see an option:- “Password protect All POUs using this password”. If you tick on this box, your password application to all POUs, the POUs already a password will be using the old password begin.
How to Unlock POU Password S7-200
Why we are do it…….
Some programs writes by you: Maybe forgot the password.
The program writes by other people: You can not contact the programmer.
We do not encourage it, if you can contact the programmer.
How Disable Step by step:
Step 1: Check Step 7 MicroWIN V4.0 Version on your computer. This tool only supports the version V4.0 Service pack 8 (SP8) or Service pack 9 (SP9)
Step 2: Download the tool at the end of post. See the below download link.
