A safety controller is an electronic device specifically designed to monitor and control the safety of industrial processes. It is usually integrated into process control systems (such as DCS or SCADA systems) to achieve safety functions, such as emergency shutdown, safety alarms, process parameter monitoring, and fault diagnosis.

The process safety controller is usually designed in a modular manner, consisting of multiple functional modules, such as input module, output module, processing module and communication module, etc.

Safety controllers are indispensable safety devices in modern industrial automation and process control systems. They monitor and control the key parameters of the process in real time to ensure the safe and stable operation of the process. When choosing a process safety controller, one should comprehensively consider factors such as its safety level and certification, functions and performance, system compatibility and scalability, ease of operation and maintenance, as well as the technical support and services provided by the supplier, in order to ensure the selection of a high-quality safety controller that meets the actual application requirements.