rotork YT-2700 Product Manual
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rotork YT-2700 Product Manual

rotork YT-2700 Product Manual

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SMART POSITIONER
PRODUCT MANUAL
YT-2700
Rotork YTC Limited
VERSION 1.18

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Summary of Contents for rotork YT-2700

  • Page 1 SMART POSITIONER PRODUCT MANUAL YT-2700 Rotork YTC Limited VERSION 1.18...

  • Page 2: Table Of Contents

    Smart Positioner YT-2700 Product Manual Contents Introduction ..............................4 General Information for the users ......................4 Manufacturer Warranty .........................4 Explosion Proof Warning (Only for Intrinsic safety type positioners) ............5 Product Description ...........................6 General ..............................6 Main Features and Functions .......................6 Label Description ..........................7 Product Code ............................8...
  • Page 3 Smart Positioner YT-2700 Product Manual Auto Calibration mode (AUTO CAL) ....................31 8.4.1 AUTO1 Calibration (AUTO1) ......................32 8.4.2 AUTO2 Calibration (AUTO2) ......................32 8.4.3 AUTO3 Calibration (AUTO3) ......................32 Manual Mode (MANUAL) ........................33 Parameter Mode (PARAM) ........................ 33 8.6.1...

  • Page 4: Introduction

    Introduction General Information for the users Thank you for purchasing Rotork YTC Limited products. Each product has been fully inspected after its production to offer you the highest quality and reliable performance. Please read the product manual carefully prior to installing and commissioning the product.

  • Page 5: Explosion Proof Warning (Only For Intrinsic Safety Type Positioners)

    ➢ For detailed warranty information, please contact the corresponding local Rotork YTC Limited office or main office in South Korea. Explosion Proof Warning (Only for Intrinsic safety type positioners) Please ensure the unit is being used and installed in conformity with local, regional, and national explosion proof within the proper safety barrier environment.

  • Page 6: Product Description

    Product Description General YT-2700 Smart Valve 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, PD Control, and HART Protocol Communications.

  • Page 7: Label Description

    Smart Positioner YT-2700 Product Manual Label Description • MODEL : Indicates the model number and additional options. • EXPLOSION PROOF : Indicates certified explosion proof grade. • INPUT SIGNAL : Indicates input signal range. • OPERATING TEMP. : Indicates the allowable operating temperature.

  • Page 8: Product Code

    Smart Positioner YT-2700 Product Manual Product Code YT-2700 1 Linear Motion Type Rotary Single Acting type Non-Explosion Explosion Proof Ex ia IIC T5 Lever Type Linear 5 ~ 35 mm M6 x 34L M6 x 63L Rotary M8 x 34L...

  • Page 9: Product Specification

    Feedback Signal (Option) 4~20mA (DC 9~28V) Weight 0.82 Kg (1.8 lb) Painting Epoxy Polyester Powder Coating Tested under ambient temperature of 20°C,, absolute pressure of 760mmHg, and humidity of 65%. Please contact Rotork YTC Limited for detailed testing specification. Ver. 1.18...

  • Page 10: Certifications

    Smart Positioner YT-2700 Product Manual Certifications ※ All certifications below are posted on Rotork YTC Limited homepage(www.ytc.co.kr). ➢ KCs (Korea) Type : Intrinsic safety Rating : Ex ia IIC T5 Certification No. : 10-KB2BO-00002X Ambient temperature : -40 ~ +60℃ (T5/T100℃) Parts and Assembly Fig.

  • Page 11: Product Dimension

    Smart Positioner YT-2700 Product Manual Product Dimension Fig. 2-2: YT-2700L Ver. 1.18...
  • Page 12 Smart Positioner YT-2700 Product Manual Fig. 2-3: YT-2700R (Fork lever type) Ver. 1.18...
  • Page 13 Smart Positioner YT-2700 Product Manual Fig. 2-4: YT-2700R (Namur Type) Ver. 1.18...

  • Page 14: Installation

    Smart Positioner YT-2700 Product Manual Installation Safety When installing a positioner, please ensure to read and follow safety instructions. ➢ Any input or supply pressures to valve, actuator, and / or to other related devices must be turned off. ➢...

  • Page 15: Linear Positioner Installation

    Smart Positioner YT-2700 Product Manual Linear positioner Installation Linear positioner should be installed on linear motion valves such as globe or gate type which uses spring return type diaphragm or piston actuators. Fig. 3-2: Installation example of YT-2700L on a right yoke Fig.

  • Page 16: Safety

    Smart Positioner YT-2700 Product Manual Before proceeding with the installation, ensure following components are available. ➢ Positioner ➢ Feedback lever and lever spring ➢ M5 Square nut and wrench head bolt (fastening feedback lever to a main shaft) ➢ Bracket, bolts and washers for positioner or sensor – not supplied with the positioner ➢...
  • Page 17 Smart Positioner YT-2700 Product Manual 2. Attach the positioner with the bracket to the actuator yoke – DO NOT TIGHTEN THE BRACKET COMPLETELY. Fig. 3-6: Installing the positioner on a right yoke Fig. 3-7: Installing the positioner on a left yoke 3.
  • Page 18 Smart Positioner YT-2700 Product Manual 5. Insert the connection bar between the feedback lever and lever spring. The connection bar must be located upward from the lever spring as shown below left figure. If it is located downward from the lever spring as shown below right figure, the connection bar or the lever spring will be worn out quickly because of excessive strong tension.
  • Page 19 Smart Positioner YT-2700 Product Manual Fig. 3-11: Feedback lever and valve stem on a left yoke 7. Check the valve stroke. The stroke numbers are engraved on the feedback lever of the positioner. Position the connection bar at the number on the feedback lever which corresponds with the desired valve stroke.
  • Page 20 Smart Positioner YT-2700 Product Manual 8. After installing the positioner, operate the valve from 0% to 100% stroke by using direct air to the actuator. On both 0% and 100%, the feedback lever should not touch the lever stopper, which is located on the backside of the positioner.

  • Page 21: Rotary Positioner Installation

    Smart Positioner YT-2700 Product Manual Rotary positioner Installation Rotary positioner should be installed on rotary motion valve such as ball or butterfly type which uses rack and pinion, scotch yoke or other type of actuators which its stem rotates 90 degrees. Before proceeding with the installation, ensure following components are available.

  • Page 22: Rotary Positioner Installation Steps

    Smart Positioner YT-2700 Product Manual 3.4.2 Rotary positioner Installation Steps 1. Attached the brackets onto the actuator with M6 wrench head bolts and plane washers. Fig. 3-17: Installating the positioner and the bracket 2. Set rotation position of the actuator stem at 0%. For single acting actuator, it is easy to check 0% point by supplying no pressure to the actuator.
  • Page 23 Smart Positioner YT-2700 Product Manual Fig. 3-19: Counter-clockwise and clockwise rotation 4. Attach the positioner with the bracket on a actuator loosely. <Only fork lever type of: Fix the clamping pin (5mm Dia.) into the fork lever slot and insert center pin (2mm Dia.) of the main shaft of the positioner into the hole of center of the fork lever.

  • Page 24: Connection - Air

    Supply pressure should be clean and dry air – avoiding moisture, oil and dust. ➢ Always recommended to use air filter regulator (i.e. YT-200 series). Rotork YTC Limited has not tested positioner’s operation with any other gases other than ➢ clean air. Please contact Rotork YTC Limited for any questions.

  • Page 25: Connection - Power

    Smart Positioner YT-2700 Product Manual Connection – Power Safety ➢ Before connecting terminal, ensure that the power is off completely. ➢ Please use ring terminal to protect against vibration or any other external impact. ➢ Positioner usually uses 4~20mA DC. Minimum ampere of input signal of standard type positioner is 3.5 mA and HART internal type positioner’s minimum ampere of input signal is 3.8 mA but...

  • Page 26: Connection

    Smart Positioner YT-2700 Product Manual Connection Fig. 5-1: Terminal Overview IN +: Input Signal (+) Analog Output IN -: Input Signal (-) Analog Input F.G : Frame Ground Voltage Source OUT+: Feedback Signal (+) Load Resistance OUT-: Feedback Signal (-) Ground 1.

  • Page 27: Adjustments

    Fig. 6-1: Variable orifice adjustment Manual buttons By pressing “SUP” and “EXH” buttons, YT-2700 can be manually operated without and input signal. “SUP” button allows supply air to transfer to the actuator from positioner’s OUT1 port, and “EXH” button allows air to exhaust air from the actuator to the atmosphere through the positioner. By utilizing this function, the user can easily mount the positioner or check actuator.

  • Page 28: Optional Sub-Pcb Installment

    Smart Positioner YT-2700 Product Manual Optional Sub-PCB Installment By adding sub-PCB, the positioner can have additional functions. There are 3 types of sub-PCB. HART Only PTM Only PTM+HART Fig. 7-1: Types of Sub-PCB When purchasing option sub-PCBs separately, 4 Bolts and 2 supports are supplied together with the sub-PCB.

  • Page 29: Installation Steps

    Smart Positioner YT-2700 Product Manual Installation steps 1. Open base cover and PCB cover. Separate the Main PCB from base body. 2. Mount a sub-PCB support on Main PCB with a bolt. 3. Insert connector of sub-PCB into connector of main PCB correctly.

  • Page 30: Auto Calibration And Pcb Operation

    Smart Positioner YT-2700 Product Manual Auto Calibration and PCB Operation Warning Following process will operate valve and actuator. Before proceeding with any Auto Calibration, please separate valve from the entire system by using bypass valve, so Auto Calibration will not affect entire valve process.

  • Page 31: Run Mode (Run)

    Smart Positioner YT-2700 Product Manual Run Mode (RUN) After power connection to the positioner, Run Mode will be appeared on positioner’s LCD screen in about 4 seconds. “RUN” indicates that the positioner adjusts the valve stroke according to the receiving signal. There are six types of display message in “RUN”...

  • Page 32: Auto1 Calibration (Auto1)

    Smart Positioner YT-2700 Product Manual 8.4.1 AUTO1 Calibration (AUTO1) AUTO1 changes only zero and end points; however other parameters(P, D etc.) will not be adjusted. It is recommended to perform AUTO1 when the positioner has been set by the valve manufacturer already, and the field user wants to re-calibrate the positioner.

  • Page 33: Manual Mode (Manual)

    Smart Positioner YT-2700 Product Manual Manual Mode (MANUAL) Manual mode is used to maneuver valve stem manually. In Manual mode, the positioner does not control the valve by the signal received from outside, but it could be controlled to move up and down by pressing <UP>...

  • Page 34: Dead-Zone (Deadzone, %)

    Smart Positioner YT-2700 Product Manual 8.6.1 Dead-Zone (dEAdZONE, %) Dead-Zone indicates the percentage of error allowance. When AUTO 2 or AUTO 3 calibration are done, this value would be set automatically and moderately. But if hunting still occur after AUTO 2 or AUTO 3 calibration for the reason such as high level of packing friction, increasing the value of Dead-Zone can stable the valve operation.

  • Page 35: D1 Value (Kd1)

    Smart Positioner YT-2700 Product Manual 8.6.3 D1 Value (Kd1) D value indicates the derivative value of the compensation signal based on the percentage of error allowance. As the value increase, it is more likely to have hunting. As the value decreases, it can have poor linearity or dynamic characteristic.

  • Page 36: Period T (Period T)

    Smart Positioner YT-2700 Product Manual 8.6.7 Period T (PERIOd T) Period T indicates the positioner’s internal control time interval. As default, positioner will check current position respective to current input signal in every 100 msec. 8.6.8 Auto DZ (AUTO dZ) After the auto calibration, the positioner will create deadzone automatically.

  • Page 37: Hand Calibration Mode (Hand Cal)

    Smart Positioner YT-2700 Product Manual Hand Calibration Mode (HAND CAL) Hand Calibration mode is used when zero-point and end-point require re-adjustment to use partial range of total strokes after Auto Calibration has been performed. Below are the list of features which could be set from Hand CAL mode.

  • Page 38: Zero-Point (Tr_Zero) And End-Point (Tr_End) For Transmitter

    Smart Positioner YT-2700 Product Manual 8.7.2 Zero-Point (TR_ZERO) and End-Point (TR_END) for Transmitter TR_ZERO adjusts the zero point of the transmitter (4mA feedback), and TR_END adjusts the end point of the transmitter (20mA feedback). This is used when output signal becomes unstable and requires re-adjustment or when feedback output signal and actual stroke need to be used differently.

  • Page 39: Normal / Reverse Feedback Signal (Tr Norm / Revs)

    Smart Positioner YT-2700 Product Manual 8.7.3 Normal / Reverse Feedback Signal (TR NORM / REVS) The feedback signal from the positioner can be changed to normal or reverse.   <DOWN> < > < >    Press <UP> or <DOWN>...

  • Page 40: Valve Mode (Valve)

    Smart Positioner YT-2700 Product Manual Valve Mode (VALVE) Valve mode offers useful and various function settings for operating the control valve. Below are the list of functions which could be set from Valve mode. Acting Adjustment (ACT RA / dA)

  • Page 41: Valve Flow Characteristic Adjustment (Char)

    Smart Positioner YT-2700 Product Manual 8.8.2 Valve flow Characteristic Adjustment (CHAR) The valve flow characteristic can be set on the field’s requirement. There are 4 types of characteristics – linear (LIN), user setting (USR), quick open (QO), and equal percentage (EQ).

  • Page 42: User Defining Flow Characteristics (User Set)

    Smart Positioner YT-2700 Product Manual 8.8.3 User defining flow Characteristics (USER SET) User can make its own flow characteristic curve with this mode. USER SET can be set in two ways, 5 points and 18 points. User can choose whichever is more suitable for their application.
  • Page 43 Smart Positioner YT-2700 Product Manual 2) 18 points setting can be set with 1mA intervals. The initial positions are P0(4mA=0%), P1(5mA=6.25%), P2(6mA=12.5%), … P16(20mA=100%) and P17(21mA=106.25%) but user can change the % values to different values. User can change all 18 points or only change partially and exit the menu by pressing <ESC>...

  • Page 44: Tight Shut Open (Tshut Op)

    Smart Positioner YT-2700 Product Manual 8.8.4 Tight Shut Open (TSHUT OP) Tight shut open shows the current value in percentage (%). Input current of 4mA is 0%, 20mA is 100%. If temporary Tight shut open value (≤100%) is set and input current value is above the set % value, the valve’s position is immediately moved to 100%.

  • Page 45: Split Range Mode (Split)

    Smart Positioner YT-2700 Product Manual 8.8.6 Split Range Mode (SPLIT) The valve can be operated in full stroke by split range control of input signal as 4~12mA or 12~20mA. <UP>/<DOWN>    < > < > < > ...
  • Page 46 Smart Positioner YT-2700 Product Manual ITEM Description 1’st row→FF: Fail Freeze / FS: Fail Safe. FF / FS 2’nd row→Positioner model. YT-2700L 1’st row→version number of firmware. 1.6.03 2’nd row→VERSION: Main software version / 2016MR 8: loading date VERSION / of software.

  • Page 47: Error And Warning Code

    Smart Positioner YT-2700 Product Manual Error and Warning Code Error or Warning code occur if there is a problem during Auto calibration or using the product. ➢ Error code : These are indicated if the positioner cannot be controlled, malfunctions or becomes imprecise.

  • Page 48: Error Code Which Is Displayed While Using The Product

    Smart Positioner YT-2700 Product Manual ➢ Indicated when movement feedback lever is detected without any pneumatic action of positioner ➢ Check for leaks from output during auto calibration. LEAK port of the positioner and ➢ When this error is detected, auto piping.

  • Page 49: Warning Code Which Can Be Checked From View Mode

    Smart Positioner YT-2700 Product Manual Warning code which can be checked from View mode Warning Code Code Description and Cause Action ➢ PV Span – PV Zero range is below 500. ➢ Re-position the positioner so that ➢ Feedback lever’s angle use is too the angle use of the feedback low.

  • Page 50: Main Software Map

    Smart Positioner YT-2700 Product Manual Main Software Map Ver. 1.18...
  • Page 51 Product Manual Manufacturer: Rotork YTC Limited Address: 81, Hwanggeum-ro, 89 Beon-gil, Yangchon-eup, Gimpo-si, Gyeonggi-do, South Korea Postal code: 10048 Tel: +82-31-986-8545 Fax: +82-70-4170-4927 Email: ytc.sales@rotork.com Homepage : http://www.ytc.co.kr Issued : 2019-05-14 Copyright © Rotork YTC Limited. All Rights Reserved. Ver. 1.18...

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