ELECTRIC ACTUATORS

The CENTORK electric actuators are compact units that, due to their modular design, can be applied to the actuation of any kind of valve.

Centronik Controls

The main purpose of the Centronik controls is to simplify the switching and control of the electric actuators, reducing the costs and times of the design of the electrical control system of the plant, the installation and commisioning or coordination with the electric actuators.

In this sense the next step for improvement and cost reduction is the use of FieldBus systems. See drawing with the evolution of the electric actuators controls.

Following with these last technologies, Centork is offering several options to control the actuators and to integrate them into standard FieldBus systems.

The Centronik controls are offered in 2 different versions, depending on the electric actuator application:

Centronik On/Off

ELECTRIC ACTUATORS - Centronik On/Off

Due to its modular design, the Centronik unit can add different functions, can incorporate different remote comunication modes and the adaptation to different standards can be easily achieved.

The Centronik On/Off control is the solution used for On/Off or Open/Close control aplications.

The Centronik On/Off control can be used in combination with the 400 and 460 series multiturn actuators and with the 480 series quarter-turn actuators.

The Centronik unit separated mounting (optional) is another important characteristic for aplications where the temperature, vibration or mounting conditions makes the direct mounting on the actuator difficult.

Main functions and characteristics:

Modular and programable concept due to the use of microprocessor technology.
Non intrusive Local controls (OPEN, STOP, CLOSE, DES) with LOCAL/REMOTE selector protected by lock.
Local Indication with 5 LEDS.
Motor power control by reversing contactors or thyristors (option).
Automatic phase correction and autodiagnostic capabilities.
24 VDC power supply.
IP67 or IP68 (option) wheatherproof protection.
Eex ATEX protection optional.
Remote digital communication by FieldBus (option): PROFIBUS, DeviceNet, MODBUS.
Electrical connection by terminal or plug-socket.

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