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Rotork YT-3450 Smart Valve
Rotork YT-3450 Smart Valve
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Last Updated
19 Mar 2020
Country Origin
Korea South
Minimum Order
1 Unit

Specification of

YT-3400 Smart Valve Positioner accurately controls valve stroke, according to input signal of 4~20mA being delivered from controller.

  • Auto calibration
  • PID control
  • HART comunication
  • Auto/Manual switch
  • Feedback signal
  • 4 buttons for local control
  • LCD display
  • Limit switch

Product Description

General

The smart positioner accurately controls valve stroke in response to an input signal of 4~20mA from

the controller. Built-in micro-processor optimizes the positioner’s performance and provides unique

functions such as Auto-Calibration, PID Control, and HART Protocol Communications.

Main Features and Functions

➢ The LCD can be checked and the buttons can be operated without opening the cover which

allows use of various functions of the positioner such as parameter adjustment in explosive gas

atmosphere. User will easily understand the method of using 4 buttons because it work same in

all mode of firmware interfaces.

➢ When unexpected situation like momentary blackout happens, our positioner boot-time only take

0.5 second and this can minimize the travel of valve which consequentially increase the safety of

system.

➢ Positioner operates normally even there are sudden changes in supply pressure and / or high

vibration environment.

➢ The method of Auto Calibration is very simple.

➢ As an advantage of having very low air consumption, It could greatly reduce operating costs in

large-scale plants.

➢ It is compatible with most of controllers.

➢ Variable orifice can be used even to minimize the hunting occurrence and optimize operating

conditions.

➢ Various information about positioner can be processed by HART communication(Option)

➢ Valve system becomes more stable by outputting analog feedback signal.

➢ Different valve characteristics can be adjusted – Linear, Quick Open, Equal Percentage, and

User Set which user can make 5 or 18 points characterizations.

➢ Tight Shut – Close and Shut - Open can be set.

➢ PID parameters can be adjusted in the field without any additional communicator.

➢ A/M switch can be used to direct supply air to the actuator or to manually operate the positioner

or valve without any signal.

➢ Split range 4~12mA or 12~20mA can be set.

➢ Operating temperature for positioners is -30 ~ 85℃ or -40 ~ 85℃ (Please check certified

explosion proof ambient temperature)

➢ Hand calibration function can set Zero point or End point manually.

➢ It has Type 4, 4X(CSA), IP66 protection grade.

➢ Polyester powder coating resists the corrosion process. (except YT-3450).

➢ Maintenance of the positioner is easy because of modularized inner structure.

➢ SIL2 certified.(For more information, see SIL Safety Instruction on homepage)

Untuk keterangan lebih lanjut, silahkan download PDF ini :

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