rotork YT-2600 Series Product Manual
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rotork YT-2600 Series Product Manual

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SMART POSITIONER
PRODUCT MANUAL
YT-2600 SERIES
Rotork YTC Limited
VERSION 1.30

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  • Page 1 SMART POSITIONER PRODUCT MANUAL YT-2600 SERIES Rotork YTC Limited VERSION 1.30...

  • Page 2: Table Of Contents

    Smart Positioner YT-2600 series Product manual Contents Introduction ..............................5 General Information for the users ......................5 Manufacturer Warranty .........................5 Explosion Proof Warning & Specific Conditions of Use ...............6 Product Description ...........................7 General ..............................7 Main Features and Functions .......................7 Label Description ..........................8 Product Code .............................
  • Page 3 Smart Positioner YT-2600 series Product manual Variable Orifice Adjustment ....................... 32 Maintenance ............................. 33 Supply air ............................33 Seals ..............................33 Auto Calibration and PCB Operation ..................... 34 Warning .............................. 34 Button Description ..........................34 Run Mode (RUN) ..........................35 Auto Calibration mode (AUTO CAL) ....................
  • Page 4 Smart Positioner YT-2600 series Product manual Main Software Map ..........................56 Ver. 1.30...

  • Page 5: 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 6: Explosion Proof Warning & Specific Conditions Of Use

    ➢ For detailed warranty information, please contact the corresponding local Rotork YTC Limited office or main office in South Korea. Explosion Proof Warning & Specific Conditions of Use Please ensure the unit is being used and installed in explosion proof certified environment.

  • Page 7: Product Description

    Smart Positioner YT-2600 series Product manual Product Description General The smart positioner accurately controls valve stroke in response to an input signal of 4 ~ 20 mA 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 8: Label Description

    Smart Positioner YT-2600 series Product manual Label Description Fig. L-1: Sticker Label • MODEL : Indicates the model number of the positioner. • SUFFIX : Indicates any options. • SERIAL NO. : Indicates unique serial number. • MONTH.YEAR : Indicates manufactured month and year ※...
  • Page 9 Smart Positioner YT-2600 series Product manual Fig. L-3: EAC label Ver. 1.30...
  • Page 10 Smart Positioner YT-2600 series Product manual Fig. L-4: CCC label Ver. 1.30...

  • Page 11: Product Code

    Smart Positioner YT-2600 series Product manual Product Code YT-2600 series follows suffix symbols as follows. YT-2600 1 Linear Motion Type Rotary Single Acting type Double ATEX, IECEx, KCs Explosion Proof 10 ~ 40 mm 20 ~ 70 mm Linear 50 ~ 100 mm...

  • Page 12: Product Specification

    4 ~ 20 mA (DC 9 ~ 28 V) Weight 3.0 kg (6.61 lb) Painting Polyester Powder Coating Tested under ambient temperature of 20 °C, absolute pressure of 760 mmHg, and humidity of 65 %. Please contact Rotork YTC Limited for detailed testing specification. Ver. 1.30...

  • Page 13: Certifications

    Smart Positioner YT-2600 series Product manual Certifications ※ All certifications below are posted on Rotork YTC Limited homepage(www.ytc.co.kr). KCs (Korea) ➢ Type : Explosion proof construction for internal pressure 1. Rating : Ex d IIC T6/T5 Certification No. : 19-KA2BO-0868X 2.

  • Page 14: Parts And Assembly

    Smart Positioner YT-2600 series Product manual Parts and Assembly Fig. 2-1: Exploded view 1. Pilot cover 6. Terminal Cover 2. Pilot unit 7. Main Cover 3. Pilot block 8. Main PCB 4. Main body 9. Potentiometer 5. Terminal PCB 10. Feedback Lever...

  • Page 15: Product Dimension

    Smart Positioner YT-2600 series Product manual Product Dimension Fig. 2-2: YT-2600L (Linear type) Fig. 2-3: YT-2600R (Rotary, Fork lever type) Fig. 2-4: YT-2600R (Rotary, Namur type) Ver. 1.30...

  • Page 16: Installation

    Ensure there is no remaining pressure in the actuator. ➢ YT-2600 series have two drain ports to be used for internal condensation. Please use larger drain plug for the condensation and block other remaining port with blind plug. Drain Plug Fig.

  • Page 17: Linear Positioner Installation

    Smart Positioner YT-2600 series 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. 3-3: Installation example Before proceeding with the installation, ensure following components are available.

  • Page 18: Linear Positioner Installation Steps

    Smart Positioner YT-2600 series Product manual Linear positioner Installation Steps 3.3.2 1) Assemble the positioner with the bracket made in previous step by fastening the bolts. The bolt size is M8 x 1.25P. Fig. 3-4: Attaching to positioner to bracket Fig.
  • Page 19 Smart Positioner YT-2600 series 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 the below left figure. If it is located downward from the lever spring as shown the below right figure, the connection bar or the lever spring will be worn out quickly because of excessive strong tension.
  • Page 20 Smart Positioner YT-2600 series Product manual Stroke : 30 mm Stroke : 70 mm Fig. 3-9: Feedback lever and location of the connection bar 8) After installing the positioner, operate the valve from 0 % to 100 % stroke by using direct air to the actuator.

  • Page 21: Rotary Positioner Installation

    Smart Positioner YT-2600 series 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 Bracket Information

    Smart Positioner YT-2600 series Product manual Rotary Bracket Information 3.4.2 The rotary bracket set (included with the positioner) contains two components. The bracket is designed to fit onto the actuator with 20 mm, 30 mm and 50 mm stem height (H) according to VDI/VDE 3845 standard.

  • Page 23: Rotary Positioner Installation Steps

    Smart Positioner YT-2600 series Product manual Rotary positioner Installation Steps 3.4.3 1) Please check the actuator’s stem height and adjust the brackets by referring to the above bracket table. 2) Attached the brackets onto the actuator. It is recommended to use spring washer so the bolts will not be loosen from vibration.
  • Page 24 Smart Positioner YT-2600 series Product manual 6) Attach the positioner to the bracket. <Only fork lever type: Fix the clamping pin (5 mm Dia.) into the fork lever slot and insert center pin (2 mm Dia.) of the main shaft of the positioner into the hole of center of the fork lever.

  • Page 25: 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 26: Connection - Piping With Actuator

    Smart Positioner YT-2600 series Product manual Connection – Piping with actuator Single acting actuator 4.4.1 Singe acting type positioner is set to use only OUT1 port. OUT1 port of positioner should be connected with supply port of actuator when using spring return actuator of single acting type.

  • Page 27: Connection - Power

    Smart Positioner YT-2600 series Product manual Connection – Power Safety ➢ There are two conduit entries on the product. See “2.4 Product Code” for conduit entry threads. ➢ When installing in hazardous and explosive gas area, conduit tube or pressure-proof packing union must be used.

  • Page 28: Terminal Overview

    Smart Positioner YT-2600 series Product manual Terminal overview Fig. 5-3: Terminal Overview IN +: Input Signal (+) Upper right 3 terminals: Limit switch 100 % Point IN -: Input Signal (-) Lower right 3 terminals: Limit switch 0 % Point F.G :...

  • Page 29: Feedback Signal Terminal

    Smart Positioner YT-2600 series Product manual Feedback Signal Terminal 5.2.2 Locate terminal of feedback signal and connect (+) and (-) according to the polarity. Make sure to tighten bolts with 1.5 N • m (15 kgf • cm). Fig. 5-5: Connecting feedback signal cables Limit Switch Terminal 5.2.3...

  • Page 30: Ground

    Smart Positioner YT-2600 series Product manual Ground 5.2.4 1) Ground must be done before operating the positioner. 2) Open terminal cover and there is an internal ground bolt on the left of terminal plate. When using internal ground, use 2 mm wrench to loosen locking bolts of the terminal box cover. An external ground bolt is located next to the conduit entry.

  • Page 31: Adjustments

    Smart Positioner YT-2600 series Product manual Adjustments Limit Switch Adjustment 1) HIGH variable resistor adjusts the sensing point of valve end-point. In case of Direct Action type, it will sense 4 mA point, and for Reverse Action type, 20 mA of input signal will be its sensing point.

  • Page 32: Variable Orifice Adjustment

    Smart Positioner YT-2600 series Product manual Variable Orifice Adjustment Hunting can be occurred when the actuator’s volume is too small. In order to prevent hunting, orifice can be adjusted. By adjusting the orifice, the flow rate of the supply pressure to actuator can be adjusted.

  • Page 33: Maintenance

    Smart Positioner YT-2600 series Product manual Maintenance Supply air If Supply air pressure is not stable or Supply air is not clean, the positioner may not function properly. Air quality and pressure should be checked regularly to see if the air is clean and pressure set is normal.

  • Page 34: Auto Calibration And Pcb Operation

    Smart Positioner YT-2600 series 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 35: Run Mode (Run)

    Smart Positioner YT-2600 series 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 36: Auto1 Calibration (Auto1)

    Smart Positioner YT-2600 series Product manual AUTO1 Calibration (AUTO1) 8.4.1 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 37: Manual Mode (Manual)

    Smart Positioner YT-2600 series 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 <+>...

  • Page 38: Parameter Mode (Param)

    Smart Positioner YT-2600 series Product manual Parameter Mode (PARAM) AUTO CAL optimizes most of the valve actuator control values. However, in some instances, hunting or oscillation may occur when the valve actuator control values are not optimized. Hunting or oscillation can be prevented by adjusting parameter values.

  • Page 39: P1 Value (Kp1)

    Smart Positioner YT-2600 series Product manual P1 Value (KP1) 8.6.2 P value indicates the ratio of the compensation signal based on the percentage of error allowance. As the value increase, the positioner finds the target point quickly, but it is more likely to have hunting. As the value decrease, the stability of the positioner is higher, but it finds the target point slowly.

  • Page 40: Pt1 (Pt1) And Pt2 (Pt2) Values

    Smart Positioner YT-2600 series Product manual PT1 (PT1) and PT2 (PT2) Values 8.6.6 PT value indicates the minimum time duration(unit: 0.1 msec) of internal signal controlling pilot valve. PT1 is for increased input signal, and PT2 is for decreased input signal’s PT values.

  • Page 41: Hand Calibration Mode (Hand Cal)

    Smart Positioner YT-2600 series 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 42: Zero-Point (Tr_Zero) And End-Point (Tr_End) For Transmitter

    Smart Positioner YT-2600 series Product manual Zero-Point (TR_ZERO) and End-Point (TR_END) for Transmitter 8.7.2 TR_ZERO adjusts the zero point of the transmitter (4 mA feedback), and TR_END adjusts the end point of the transmitter (20 mA 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 43: Normal / Reverse Feedback Signal (Tr Norm / Revs)

    Smart Positioner YT-2600 series Product manual Normal / Reverse Feedback Signal (TR NORM / REVS) 8.7.3 The feedback signal from the positioner can be changed to normal or reverse. <-> → → → Press <+> or <-> button if the above is not displayed.

  • Page 44: Valve Mode (Valve)

    Smart Positioner YT-2600 series 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 45: Valve Flow Characteristic Adjustment (Char)

    Smart Positioner YT-2600 series Product manual Valve flow Characteristic Adjustment (CHAR) 8.8.2 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 46: User Defining Flow Characteristics (User Set)

    Smart Positioner YT-2600 series Product manual User defining flow Characteristics (USER SET) 8.8.3 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 47 Smart Positioner YT-2600 series Product manual 2) 18 points setting can be set with 1mA intervals. The initial positions are P0(4 mA = 0 %), P1(5 mA = 6.25 %), P2(6 mA = 12.5 %), … P16(20 mA = 100 %) and P17(21 mA = 106.25 %) but user can change the % values to different values.

  • Page 48: Tight Shut Open (Tshut Op)

    Smart Positioner YT-2600 series Product manual Tight Shut Open (TSHUT OP) 8.8.4 Tight shut open shows the current value in percentage (%). Input current of 4 mA is 0 %, 20 mA 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 49: Split Range Mode (Split)

    Smart Positioner YT-2600 series Product manual Split Range Mode (SPLIT) 8.8.6 The valve can be operated in full stroke by split range control of input signal as 4 ~ 12 mA or 12 ~ 20 mA. <+>/<-> → → →...

  • Page 50: View Mode (View)

    Smart Positioner YT-2600 series Product manual View Mode (VIEW) Displays various information of the positioner. <-> 3 seconds → → → Press <+> or <-> button if the above is not displayed. <-> <-> <-> → → → <-> <->...
  • Page 51 Smart Positioner YT-2600 series Product manual ITEM Description 1’st row→FF: Fail Freeze / FS: Fail Safe. FF / FS 2’nd row→Positioner model. YT-2600L 1’st row→version number of firmware. 1.6.03 2’nd row→VERSION: Main software version / VERSION / 2020DC31 2020-12(DC)-31: loading date of software.

  • Page 52: Error And Warning Code

    Smart Positioner YT-2600 series 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 53: Error Code Which Is Displayed While Using The Product

    Smart Positioner YT-2600 series Product manual ➢ Indicated when the feedback lever’s angle used is excessively small ➢ Re-install the positioner by during auto calibration. moving it towards the actuator RNG ERR ➢ When this error is detected, auto stem so that the angle use of the calibration is aborted and this feedback lever becomes larger.

  • Page 54: Error Code Which Can Be Checked From View Mode

    Smart Positioner YT-2600 series Product manual Error code which can be checked from View mode Error Code Code Description and Cause Action ➢ Indicated if the deviation between SV and PV is above 10 % and is continued for over one minute.

  • Page 55: Warning Code Which Can Be Checked From View Mode

    Smart Positioner YT-2600 series 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 56 Smart Positioner YT-2600 series Product manual Main Software Map Ver. 1.30...
  • Page 57 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 : 2021-07-23 Copyright © Rotork YTC Limited. All Rights Reserved. Ver. 1.30...

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