If you cannot access the device because of an unknown password, you can reset the hardware to factory state.
Warning: This deletes the safety program. The machine will not run until you re-download a valid program. pnozmulti configurator default password
The ethical and most straightforward solution. The company that built the machine should have the password in their project documentation. If you cannot access the device because of
Once you've gained access to the PNOZmulti configurator, you can begin the process of configuring your safety controller. Here are the general steps: pnozmulti configurator default password
You must prove ownership of the machine. Pilz support may guide you through a reset process, but they will not "crack" or recover the password. They may require a purchase order or serial number verification.