AutomationDirect (the primary distributor for Koyo PLCs) offers a service to clear passwords for legitimate owners: : You must ship the CPU to their facility.

In many jurisdictions, bypassing digital locks violates laws regarding computer fraud and unauthorized access (such as the CFAA in the US or the Computer Misuse Act in the UK). Furthermore, if you bypass security on a machine and an accident occurs due to altered logic, you open yourself up to massive liability.

Koyo PLCs (Programmable Logic Controllers) are widely used in industrial automation applications, renowned for their reliability, flexibility, and performance. However, one common issue that Koyo PLC users face is the loss or forgetfulness of the password, which can lock them out of their device and hinder productivity. In this feature, we'll explore the importance of password security in Koyo PLCs, the consequences of a locked-out device, and provide a step-by-step guide on how to unlock and reset the password.