What is the term for overriding the status of a PLC?

The term "Force On" is used in the context of Programmable Logic Controllers (PLCs) to describe the action of manually overriding the normal status of a PLC's output. This allows operators or engineers to make a specific output active regardless of the current program logic.

Using "Force On" can be particularly useful during troubleshooting or testing, as it enables the user to bypass the automated logic to verify system responses or to keep components operating under specific conditions. The functionality ensures that critical processes can continue running when needed, even if the underlying logic might prevent it due to safety or operational protocols.

This contrasts with other concepts such as "Input Override," which implies manipulating input signals rather than output statuses, and "Status Override" or "Priority Control," which may suggest other forms of managing system logic or prioritizing certain tasks under defined conditions. "Force On" distinctly signifies an active intervention to maintain an output state.