Protects specific subroutines or blocks from being viewed or edited.
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When a CPU is locked at Level 3 or 4, the STEP 7‑Micro/WIN SMART software will not allow you to upload the program. You are effectively blind. This is where becomes critical. Protects specific subroutines or blocks from being viewed
If you're dealing with a specific issue or looking for detailed technical guidance, providing more context or specifics about your setup (like the CPU model and firmware version) can help tailor advice more accurately to your situation. s7 200 smart plc password unlock work