What is a common feature of logic systems in control mechanisms?

Logic systems in control mechanisms are designed to handle and analyze various inputs to make informed decisions based on predefined criteria or conditions. The ability to process multiple inputs is essential for these systems as it allows them to evaluate different scenarios and respond appropriately to varying situations. This feature is critical in refrigeration and HVAC applications, where systems need to react to fluctuating temperatures, pressures, and other environmental factors to maintain optimal performance and efficiency.

In contrast, relying solely on manual operation would limit the functionality and responsiveness of control systems, while functioning without sensors compromises their ability to monitor real-time conditions effectively. Additionally, while some logic systems can operate without power in specific contexts (such as simple mechanical systems), most advanced control mechanisms, especially in refrigeration, require a power source to function accurately and reliably. Thus, the capability to process multiple inputs for decision-making is a defining characteristic of modern logic systems in control mechanisms.