In older plant drawings, one motor-valve control system was scattered across three places: the regulator (or DCS), the servo amplifier, and the actuator, with cables shuttling between cabinets and the field. Integrated electric actuators solve exactly this: the control unit is built into the same structure as the motor and gearing, with servo-amplifier and operating functions housed in the actuator body itself.

The benefits of integration are direct: field installation and wiring are greatly simplified, with no separate amplifier cabinet; commissioning and maintenance concentrate on the body itself, parameters set locally via the LCD and setting tools; and fault-finding has fewer suspects — the mutual suspicion among amplifier, operator, and actuator in split systems becomes a single object.

YEPEF (Yangzhou Electric Power Equipment Manufacture Co., Ltd.), part of China Energy Engineering Group and a Siemens-licensed manufacturer, offers its integrated electric actuators for power, petrochemical, and other process-control duties, sharing the electro-mechanical structure and commissioning philosophy of its intelligent series. For selection and quotation, feel free to contact us.