E5CC/E5EC/E5AC Temperature & Process Controllers Omron Industrial Automation E5CC/E5EC/E5AC Temperature and Process Controllers feature precise control performance, easy set-up, and exceptional visibility. The fast sampling period of 50ms assures accurate and responsive control. Performance is further enhanced by Omron Automation and Safety's 2-PID control algorithm. The controllers also support simple on-off control for less demanding applications.