Omron Password Recovery Tool New! -

: Supports models where passwords are not hashed, including legacy C and CV families . 2. Hardware-Level Factory Reset

(Docked half a star only because it highlights a security vulnerability in older Omron hardware that shouldn't exist, though for the end-user, this is actually a "feature.") Omron Password Recovery Tool

: If you do not need to save the existing program, you can use CX-Programmer or physical DIP switches : Supports models where passwords are not hashed,

The most common Omron password locks are found on the CJ (CJ1M, CJ2M), CS (CS1G/H), and CP (CP1E, CP1H) series, programmed via CX-Programmer. | Device Series | Recommended Tool / Method

| Device Series | Recommended Tool / Method | Cost | Difficulty | Preserves Code? | | :--- | :--- | :--- | :--- | :--- | | | Memory Clear (CX-Programmer) | Free | Low | No | | CJ1M/CS1G | PLC Unlocker Pro (Third Party) | $150-300 | Medium | Yes | | CJ2M | Brute-force via FINS (OmronCrack) | $50 | High | Yes (50/50) | | NJ/NX | Physical Reset via SD Card | Free | Low | No | | NB HMI | NBDesigner + Hex Editor | Free | Medium | Yes | | NA HMI | SQLite DB extraction | Free | High | Yes |

: Includes automatic activity logging to support industrial change management.