Description

The Yokogawa ATK4A-00 is a precision-engineered actuator controller module designed for integration into Yokogawa’s comprehensive line of industrial automation and control systems. This advanced module serves as a critical interface between control systems and various types of industrial actuators, providing precise control and monitoring capabilities for valve positioning, damper control, and other mechanical actuation applications. The Yokogawa ATK4A-00 is engineered to deliver exceptional accuracy and reliability in demanding process control environments, ensuring optimal performance of final control elements in continuous process operations. Its robust design incorporates advanced control algorithms and diagnostic capabilities that enable precise manipulation of process variables while providing valuable feedback on actuator performance and health status.

As part of Yokogawa’s renowned automation portfolio, the Yokogawa ATK4A-00 offers seamless integration with distributed control systems (DCS) and other Yokogawa field instruments. The module typically features multiple control modes and configuration options, allowing customization for specific application requirements across various industries. The industrial-grade construction and enhanced environmental protection ensure reliable operation in harsh conditions where temperature extremes, humidity, and vibration are common challenges. The Yokogawa ATK4A-00 represents Yokogawa’s commitment to delivering precision control solutions that enhance process efficiency, reliability, and safety in critical industrial applications.

ATK4A-00 YOKOGAWA

Technical Specifications

Parameter Name	Parameter Value
Product Model	ATK4A-00
Manufacturer	Yokogawa Electric Corporation
Product Type	Actuator Controller Module
Input Signals	4-20 mA, HART, Foundation Fieldbus (configurable)
Output Signals	4-20 mA, digital outputs for valve control
Control Accuracy	±0.1% of span
Response Time	<100 ms for full scale movement
Power Supply	24 V DC ±10% or 100-240 V AC
Power Consumption	15 W typical
Operating Temperature	-40 to 85°C (-40 to 185°F)
Enclosure Rating	IP67 (dust tight and protected against immersion)
Housing Material	Stainless steel or aluminum alloy
Communication Protocols	HART, Foundation Fieldbus, PROFIBUS PA
Diagnostic Functions	Travel time measurement, torque monitoring, cycle counting
Safety Features	Fail-safe position control, emergency shutdown support
Certifications	ATEX, IECEx, SIL 2/3 capable

Main Features and Advantages

The Yokogawa ATK4A-00 offers exceptional control precision through its advanced digital positioning technology and adaptive control algorithms that automatically compensate for varying load conditions and mechanical wear. The module features comprehensive diagnostic capabilities that continuously monitor actuator performance, detecting issues such as packing friction increase, stem seal wear, and potential seizure before they impact process operations. Built-in safety functions include fail-safe position control and support for emergency shutdown procedures, ensuring process safety even under abnormal conditions. The Yokogawa ATK4A-00 also provides sophisticated torque management that protects actuators from damage due to overload conditions while maintaining precise control.

The robust design of the Yokogawa ATK4A-00 ensures reliable operation in the most challenging industrial environments, with exceptional resistance to vibration, extreme temperatures, and corrosive atmospheres. The module’s flexible configuration options support various control strategies including proportional, on-off, and cascade control modes, making it suitable for diverse application requirements. Enhanced communication capabilities enable seamless integration with asset management systems, providing valuable data for predictive maintenance and performance optimization. The intuitive configuration tools and clear status indicators simplify setup and troubleshooting, reducing maintenance time and costs while ensuring optimal performance of the Yokogawa ATK4A-00 throughout its operational lifecycle.

Application Field

The Yokogawa ATK4A-00 is extensively deployed in process industries requiring precise flow control and reliable actuation capabilities. In oil and gas production facilities, the module controls critical valves in production separators, wellhead systems, and pipeline operations where precise control is essential for safety and production efficiency. The petrochemical industry utilizes the Yokogawa ATK4A-00 for reactor feed control, distillation column control, and product blending applications where accurate valve positioning directly impacts product quality and process stability. In power generation plants, the controller manages steam turbine valves, feedwater control valves, and combustion air dampers, ensuring efficient and safe power generation.

The chemical processing industry employs the Yokogawa ATK4A-00 for precise dosing control, pH adjustment, and reactor temperature control applications where accurate actuation is critical for process safety and product consistency. Water and wastewater treatment facilities use these controllers for flow control in treatment processes, chemical dosing, and effluent management systems. The pharmaceutical industry benefits from the precise control capabilities for bioreactor control, purification processes, and utility management systems. The module’s robust construction and advanced features also make it suitable for marine applications, mining operations, and other challenging environments where reliable actuation control is essential.

ATK4A-00 YOKOGAWA

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