USER`S MANUAL - Actuadores J+J
Contents
1. Warning m Code Description and Cause Action Code Re install mount the positioner Make sure the feedback lever does not touch Pv End Pv Zero range is below 500 B the stopper at both 0 and 10096 The angle of feedback lever is too small After re installation perform 1 Calibration Time elapsed for either Full Open or Full Use variable orifice F Close is less than 1 second Replace actuator with larger capacity The size of actuator is too small Pv Zero is below 100 Re install mount the positioner G The angle of feedback lever is too After perform 1 large Calibration Pv End is over 4000 Re install mount the positioner H The angle of feedback lever is too After X re installation perform 1 large Calibration Warning code will be displayed when the positioner has a possibility of not operating Main Software Map ell pe le ejl is ejl ts K D2 PE TRIM Tight shut off Used time altel el fa el tael mi ta K P2 E TR end point Tight shut on Polling Add tej ei fe al fm Auto 3 KM TR start point User Set Hart ver al te al taj al taj gi fa EE Auto 2 Character Sofver fa al 121 al ta fe EE Auto 4 Dead Zone Start point RA DA Model Number 1 Ter t ENT t ENT Te2. PV Process Value Valve Stroke 96 2 Run SV 96 Set Value Input Signal 0 100 Run SV mA Set Value Input Signal 4 20mA Run MV Manipulate Value Motor Piezo Valve Manipulate Value Digit 5 Run Vel Velocity Current Valve Stem s Velocity Digit 6 Run Err Error Difference between SV and PV 96 Figure 29 Type of display message To change display push lt ESC gt and UP at same time The display will change in order indicated above If lt ESC gt and DOWN pushed simultaneously the order will be displayed in opposite order By pressing lt ESC gt the display will return to RUN Mode Auto Calibration AUTO CAL Auto Calibration Auto Cal automatically calibrates 2500 2550 in very simple manner Auto Cal process takes about 2 3 minutes and the duration of the process varies upon the size of the actuator as well There are 3 types of Auto Cal Figure 30 mse tee Figure 31 2 30 YOUNG TECH Lid Figure 30 It is recommended to calibrate the positioner under AUTO2 when setting the system initially Auto 1 Calibration Auto 1 Calibration in which needs to be crore KP Kl and KD values do not change 0 has not been set The parameter Jm to operate will be calibrated however After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 2 Push ENTER button for
3. M8 X 631 NAMUR Standard 6 Communication 0 Mone T Option 1 0 1 2 L S Mecahnical 3 L S lt Proximity gt 4 PTM amp L S Mechanical 5 8 Option 2 Fail Freeze S Fail Safe NPT1 4 is only avaiable for Y 1 2550 series Specification YT 2500 Model YT 2500L YT 2500R Acting Type Single Double Single Double Input Signal 4 20 DC Minimum Current Signal 3 2mA Standard 3 8mA Hart Included Supply Pressure 1 4 7kgf cm 0 14 0 7 MPa Stroke 10 150 mm 0 90 Impedance Max 460 Ohm 20mA DC Air Connection PT 1 4 NPT 1 4 G 1 4 Gauge Connection PT 1 8 NPT 1 8 Conduit Entry PF 1 2 Standard NPT1 2 Option Protection IP66 Explosion Proof ExialICT5 T6 Ambient Temperature Operating Temp 30 85 C Explosion proof Temp 40 60 C T5 40 40 C T6 Linearity 0 5 F S Hysteresis 0 5 F S Sensitivity 0 2 F S Repeatability 0 3 F S Flow Capacity 70 LPM Air Consumption OLPM sup 1 4K idle status Output Characteristic Linear Quick Open EQ User Set 16 Point Vibration No Resonance upto 100Hz at 6G Humidity 5 95 RH at 40 C Communication Option HART Communication Feedback Signal Option 4 20mA DC 10 30V Material Aluminum Diecasting Weight 1 5 kg 3 3 Ib Painting Epoxy Polyestere Powder Coat
4. YOUNG TECH Lid 6 Attach YT 2500 2550R to the bracket Fix the clamping pin on the main shaft s center of YT 2500 2550R and insert connection bar into the fork lever slot so it can be locked to the fork lever spring This sets the alignment of the main shaft of YT 2500 2550R and center of the actuator stem Bad alignment of the main shaft and the actuator stem lowers YT 2500 2550R s durability because too much force will be on the main shaft of YT 2500 2550R Figure 15 gt Figure 15 7 Tighten YT 2500 2550R base and the bracket with hexagon headed bolts and plate washer It is recommended to tighten four bolts after checking YT 2500 2550R s position Figure 16 Figure 16 22 YOUNG TECH Lid Connection Connection Piping Note To avoid entering moisture oil or dust into the product please carefully make selection of supply pressure compressor tis recommended to attach air filter regulator before supply port of YT 2500 2550R Supply Pressure Condition Dry air with at least 10 C lower than ambient temperature 2 Avoid from dusty air Filter can only sort 5 micron or larger 3 Avoid oil 4 Comply with ANSI ISA 57 3 1975 R1981 or ISA S7 3 1975 R1981 5 Not to be used beyond the range of 1 4 7 140 700 6 Set air filter regulator s supplied pressure 1096 higher than actuator s spring range pressure Pipe Connection CD Make sure
5. pn COMPETE Complete lt Figure 33 AUTO HF Calibration gt valve environment D lt DOWN gt Manual Mode MANUAL MANUAL MODE is used to move valve stem manually During MANUAL MODE YT 2500 2550 moves valve strokes not by input signal The movement of the stroke does not affect YT 2500 2550 saved data values and it just moves valve strokes up down physically lt Figure 34 gt 300 RP ENTER 6 seconds gt DOWN ENTER 5 lt UP gt lt DOWN gt Completed lt ESC gt 11 Figure 34 MANUAL MODE Tip when increasing decreasing value UP only Increase stem value slowly UP ENTER Increase stem value quickly DOWN only Decrease stem value slowly 32 YOUNG TECH Lid DOWN ENTER Decrease stem value quickly Parameter Mode PARAM AUTO CAL optimizes most of the valve actuator controls However in some instances there can be exceptions Usually hunting or oscillation occurs when the valve actuator controls did not optimize When this occurs hunting or oscillation can be prevented by adjusting parameter values and DeadZone 4 Types of Parameter and Adjustment 7 Dead Zone dEAdZONE 2 P value 3 D value Kd Note When parameter values are changed the positioner shows the status of the changes in real time In another words you do not need to return to the RUN mode to observe the
6. 6 seconds at RUN mode and AUTO CAL message will be appeared 3 Push ENTER and AUTO1 mode will be displayed 4 Push ENTER and AUTO will be started 5 After several minute COMPLETE message will be appeared to indicate that 1 calibration has been completed gt gt gt lt gt ENTER ENTER 6 seconds COMPLETE Completed Auto 2 Calibration lt Figure 31 AUTO1 Calibration gt Auto 2 Calibration sets all of the parameter which needs to be calibrated in order for valve system to operate Auto 2 Calibration is recommended when YT 2500 2550 is first installed on the valve system lt Figure 32 gt 7 After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 2 Push ENTER button for 6 seconds at RUN mode and AUTO CAL message will be appeared 3 Push ENTER and AUTO1 mode will be displayed 4 Push DOWN and AUTO2 mode will be displayed 5 Push ENTER and 2 will be started 6 After several minute COMPLETE message will be appeared to indicate that AUTO2 calibration has been completed o gt gt ENTER ENTER DOWN 6 seconds 31 YOUNG TECH Ca Lid RUTO 2 ENTER COMPLETE Completed lt Figure 32 AUTO2 Calibration gt Auto HF Calibration Auto HF Calibration sets all of the parameters like Auto 2 however it is used for high friction D gt ENTER ENTER 6 seconds 2 times HF
7. Valve PE TRIM 35 Normal Reverse Feedback Signal NORM REV 35 Valve Mode VALVE 36 Acting Adjustment ACT 36 Characteristic Adjustment CHAR 36 User Characteristics USER SET 37 Tight Shut Open TSHUT OP 37 Tight Shut Close TSHUT CL 37 oplit Range Control SPLIT 38 View Mode VIEW 38 Error and Warning Code 39 Main Software Map 40 YOUNG TECH Lid Introduction Thank you for choosing YTC product Each product is fully inspected after the production to offer you the highest quality In order to fully utilize the product we strongly recommend users to read the manual carefully and fully understood The manual should be provided to the end user The manual can be altered or revised without any prior notice Any changes product s specification structure and or any components may not result immediate revised version of the manual The manual should not be duplicated or reproduced for any purpose without any approval from Young Tech Co Ltd South Korea Manufacturer Warranty For the safety it is imperative to follow instructions the manual Itis not manufacturer s liability for any damages which caused by users negligence It is not manufacturer s liability for any damages or accidents which resulted by any alteration or modification of the product and parts If alteration or modification is necessary please contact the manufacturer directly Manufacturer warrants th
8. inside of pipe is emptied 2 Do not use pipeline that is squeezed or has hole 3 To maintain flow rate use the pipeline that has more than 6mm inner diameter 10mm outer diameter 4 Do not use extremely long pipeline system It may affect flow rate due to the friction inside of the pipeline 23 YOUNG TECH Ca Lid Piping Connection with Actuator Single acting actuator YT 2500 2550 series single acting type is set to use OUT1 port OUT1 port should be connected with supply pressure port from actuator when using single acting type of spring return actuator Figure 17 amp 18 Figure 17 YT 2500 2550L Figure 18 YT 2500 2550R gt Double acting actuator For YT 2500 2550 series double acting type when inputting current signal supply pressure is out from OUT1 Please refer to Figure 19 amp 20 Figure 19 YT 2500 2550L Figure 20 YT 2500 2550R Connection Power Note Before connecting terminal please make sure that power is off completely Use ring type terminal to protect against oscillation or other impacts YT 2500 2550 series except internal type must use DC 4 20mA Minimum supply current should be 3 2mA for standard YT 2500 2550 and minimum 3 8mA should be supplied for YT 2500 2550 with HART communication The power should not exceed 24mA e 2500 2550 series with PTM option separate power should be supplied to PTM voltage should b
9. Connection Ground 1 2 3 Ground must be done before operating YT 2500 2550 Inside of the terminal box locate ground terminal plate at the center of the terminal plate Figure 24 Use any type of ground terminal with the resistance less than 100hm Make sure to use ring type ground cable in order to lock them completely 26 YOUNG TECH Co Lid Figure 24 Ground Terminal Adjustment Adjustment Variable Orifice Hunting can be occurred when the actuator s volume is too small In order to prevent hunting orifice can be adjusted By adjusting orifice the flow rate of supply pressure to actuator can be adjusted To adjust use driver to control the orifice Figure 25 Figure 25 Variable Orifice Adjustment Adjustment Option Modules PCB PTM HART Position Transmitter HART Communication HART or option can be installed on standard YT 2500 2550 series PCB Please refer to Figure 26 for each option s PCB HART PCB PTM PCB HART PTM PCB lt Figure 26 PCB for Each Options gt Please install the PCB modules as follows 1 Open the cover and separate main PCB board from the body 2 By referring to Figure 27 gt lock 2 bolts on the bottom with PCB supports 3 Insert 14 pints exactly and completely 4 Re install main PCB on the main body Option Jumper Figure 27 gt When HART option PCB installed on the main PCB please mak
10. L Make sure the feedback lever does not at 5096 point Lever is at lower position touch the stopper at both 096 and 10096 than actual 50 point Positioner is improperly installed Boon 4 Re install mount the positioner ositioner lever is not parallel to the groun MT ERR H P 9 Make sure the feedback lever does not at 5096 point Lever is at higher position touch the stopper at both 096 100 than actual 50 point Valve does not operate when positioner Check if suppl ressure is stable and CHK AIR receives Full Open signal during Auto idis d appropriate Calibration Operating angle is too small due to Adjust bracket so the positioner can be RNG ERR 749 509 A i P improper mounting of positioner mounted closer to actuator Error 1096 or above persists more than 1 E inus Perform BIAS Calibration minute C Check setting pressure of actuator and set the No valve movement pressure as recommended Friction of valve is too large 40 YOUNG TECH Lid Setting pressure of actuator changes I Value reaches at maximum or minimum limit point Friction of valve changes Setting pressure of actuator changes Perform AUTO Calibration Check setting pressure of actuator and set the pressure as recommended Warning Code
11. NTER 3 times Figure 40 PE TRIM Adjustment Normal Reverse Feedback Signal TR NORM REV The feedback signal from position transmitter can be viewed as normal or as reverse For example actual input signal of 4mA can be viewed as output signal of 20mA Figure 41 gt ch ENTER DOWN prm ENTER 5 times gt gt lt ENTER gt REIS lt 5 gt 3 times Figure 41 TR NORM REV Valve Mode VALVE Acting Adjustment ACT The positioner can be set as D A Direct Action or R A Reverse Action Figure 42 gt gt gt ENTER DOWN ENTER 6 seconds 3 times 5 lt UP gt lt DOWN gt ENTER lt 5 gt RA then ENTER 3 times Completed Figure 42 D A or R A Adjustment Characteristics Adjustment CHAR aperi 37 The positioner s characteristics can be set depends on user s preference Figure 43 gt There are 3 types of characteristics Linear LIN Equal Percentage EQ and Quick Open QO Following diagram Figure 44 graphically shows each characteristics Figure 43 D D D ENTER DOWN ENTER lt UP gt lt DOWN gt lt gt then ENTER Completed 3 times LIN EQ QO Figure 44 Characteristics Adjustment User Characteristics USER SET When user has a specific characteristic which i
12. SMART POSITIONER YT 2500 2550 SERIES USER S MANUAL s ur E ETT YTC V 1 04 Table of Contents Introduction 4 Manufacturer Warranty 4 Product Description 5 Main Features and Functions 5 Label Description 6 Suffix Symbol 7 Specification 2500 8 Specification YT 2550 9 Parts and Assembly 10 Dimensions Y T 2500 11 Dimensions 2550 12 Installation 14 YT 2500 2550L Installation 14 YT 2500R 2550R Installation 17 Connection 22 Connection Piping 22 Piping Connection with Actuator 22 Connection Power 23 Connection Feedback Signal 25 Connection Ground 25 Adjustment 25 Variable Orifice 25 Option Modules PCB 26 Limit Switch Adjustment 27 Auto Calibration and Basic Operation 28 Button Description 28 Run Mode RUN 28 Auto Calibration AUTO CAL 29 Auto 1 Calibration 29 Auto 2 Calibration 30 Auto HF Calibration 30 Manual Mode Manual 31 YOUNG TECH Lid Parameter Mode PARAM 31 Dead Zone dEAdZONE 32 P Value KP1 32 P2 Value KP2 33 D1 Value Kd1 33 D2 Value 2 33 PT Value PT1 33 PT Value PT2 33 KP and D Value 33 Hand Calibration Mode HAND CAL 34 Zero Point PZ ZERO and End Point PZ END for Valves 34 Zero Point ZERO and End Point ZERO for Transmitter 34 End Point Ratio for
13. adjustments However in order to save the change ENTER button must be pressed Dead Zone dEAdZONE Dead Zone indicates the percentage of error allowance When there is high packing friction level hunting or oscillation can be occurred In this case by adjusting Dead Zone hunting or oscillation can be prevented Figure 35 E gt 6 2 times 5 lt UP gt lt DOWN gt cil D then lt ENTER gt lt 5 gt 3 times ENTER Completed Figure 35 Adjusting Dead Zone gt P Value KP1 33 YOUNG TECH Lid P value indicates the ratio of the compensation signal based on the percentage of error allowance As KP1 increases the positioner finds the target value quickly but it is more likely to occur hunting On the other hand as KP decreases the positioner finds the target value rather slowly but it is less likely to occur hunting Figure 36 lt UP gt lt DOWN gt 5 then ENTER ENTER Completed 3 times Figure 36 Adjusting P Value gt P2 Value KP2 KP2 is similar to KP1 However unlike KP1 KP2 indicates the P value when the valve stem move upward for the reverse action and for the downward movement for the direct action actuator D1 Value Kd1 Kd 1 is differential value of which will be added on to the compensation signal based on percentage of error allowance D2 Value Kd2 Kd2 is
14. ation be sure to check for following installation components YT 2500 2550 main body 2 Feedback lever and lever spring 3 Flange nut bottom side of YT 2500 2550L 4 4 pcs of hexagon head bolts M8 x 1 25P 5 4 pcs of M8 plate washer Installation Steps YT 2500 2550L installation example 15 gt YOUNG TECH Ca Lid 1 3 4 Proper bracket must be made in order to attach positioner on the actuator yoke Please consider following when making a bracket Feedback lever should be leveled at 50 of the valve stroke Refer to Step 7 2 Feedback lever connection bar of actuator clamp should be installed at the positioner that the valve stroke and numbers which indicated on the feedback lever must be fitted Refer to Step 8 Attach YT 2500 2550L to the bracket which was made in earlier step by using bolts Figure 2 Please refer to backside of the product for size of the bolts The standard size of bolt is M8 x 1 25P and other bolt sizes are available Please contact YTC sales department Figure 2 Installing YT 2500 2550L with bracket Attach YT 2500 2550L with bracket to the actuator yoke DO NOT TIGHTEN COMPLETELY Connect YT 2500 2550L feedback lever to the actuator clamp The gap on the YT 2500 2550L feedback lever is 6 5mm The connection bar thickness should be less than 6 3mm Figure 3 Figure 3 16 YOUNG TECH Lid 5 Connect air filter
15. e between 9 27V and not exceeding 30V e 2500 2550 must be grounded 24 YOUNG TECH Lid Please use twisted cable with conductor section area 1 25 and that is suitable for 600V complying to the conductor table of NEC Article 310 The outer diameter of the cable should be between 6 35 10mm Use shield wire to protect against electro magnetic field and noise Please do not install the cable near the equipments such as high capacity transformer or motor which creates noise Terminal box 1 Mon Opn Input Signal Input Signal Feedback Output Feedback Output lt Figure 21 Terminal box for standard YT 2500 2550 gt Terminal box 2 25 gt YOUNG TECH Lid Figure 22 Terminal box for YT 2500 2550 L S Mechanical Figure 23 Terminal box for 2500 2550 L S Proximity gt Connection Feedback Signal 1 KR W N Open product cover by opening 4 4 bolts Loose terminal locking bolts of feedback signal for position transmitter on terminal plate Insert cables through cable connector in YT 2500 2550 Use ring type when connecting terminals in order to lock completely Insert terminal bolts through the holes and lock them with and terminals on the terminal plate Tighten bolts with 1 5Nm 15 kgf cm torque Be sure the polarities of the terminals are properly connected
16. e product from the date of original retail purchase of the product for one 1 year except as otherwise stated Manufacturer warranty will not cover the products that the product have been subjected to abuse accident alteration modification tampering negligence misuse faulty installation lack of reasonable care repair or service in any way that is not contemplated in the documentation for the product or if the model or serial number has been altered tampered with defaced or removed damages that occurs in shipment due to act of God failure due to power surge and cosmetic damage Improper or incorrectly performed maintenance or report voids this Limited Warranty For detailed warranty information please contact the corresponding local Young Tech Co Ltd office or main office in South Korea YOUNG TECH Lid Product Description YT 2500 2550 Smart Valve Positioner accurately controls valve stroke according to input signal of 4 20mA which is being input from the controller In addition built in micro processing operator optimizes the positioner s performance and provides unique functions such as Auto calibration PID control Alarm and Hart protocol YT 2500 2550L YT 2500 2550R Main Features and Functions 1 11 12 13 14 15 16 17 18 19 YT 2500 2550 series freezes at the last position when the input signal and or supply pressure fails without any additional accessories such a
17. e sure to REMOVE option jumper Figure 27 gt After installing option board please adjust TR ZERO and TR END from HAND CAL mode in order to get accurate output values Limit Switch Adjustment lt Proximity Switch gt Auto Calibration and Basic Operation Note Following process will operate valve and actuator Before starting Auto Calibration please separate valve from the entire system so Auto Calibration will not affect entire valve process Button Description l uP DOWN ER Y T 2500 2550 series has 4 buttons and enable to perform various functions Please refer to the below table for further description Button Function ENTER Enter to main menu and sub menus save adjusted parameter values etc lt 5 gt Return to previous menu UP amp Move to next menu change parameter values etc DOWN Run Mode RUN 29 YOUNG TECH Lid After power connection to YT 2500 2550 series following message will appear on LCD screen within 6 seconds Figure 28 A Process Value PV Run mode Py Figure 28 LCD Message RUN indicates that YT 2500 2550 adjusts valve stroke with receiving signals 4 20 PV indicates the process value In RUN mode the valve stroke continuously changes according to the input signal There are six types of display message in RUN mode Figure 29
18. edback lever and the connection bar Y T 2500 2550R Installation YT 2500 2550R should be used for rotary motion valve that is ball valve butterfly valve using rack and pinion scotch yoke or complex type actuator which its stem rotates 90 degrees Before installation be sure to check for following installation components 7 YT 2500 2550R main body 2 Fork lever and lever spring 3 1 set of bracket 4 4 pcs of hexagon head bolts M8 x 1 25P 5 4 pcs of M8 plate washer 18 YOUNG TECH Lid Y Bracket Information YT 2500 2550R is supplied with standard bracket The bracket can be used for Fork lever and NAMUR bracket Please see Figure 9 10 amp 11 for more detailed information T 2500 2550R Installation Example YT 2500 2550R on NAMUR Lever Actuator stem Markings of bolt holes height H A L B L A R B R 20mm 20 H 20 30 20 H 20 30 30mm H 30 H 20 30 30 H 20 30 o0mm 50 50 50 50 Figure 9 gt 19 1 Standard actuator stem height is 20 30 or 50 mm After checking H assemble with the bracket as shown in Figure 9 10 11 gt Actuator Stem H Actuator Figure 10 Figure 11 For example when H is 30mm A L should be locked with H 30 hole and B L in H 20 30 A R with H 30 and B R with H 20 30 marking 2 Attach bracketed YT 2500 2550R to the actuator by using h
19. er can set the positioner to display different information such as stroke value in lt UP gt lt DOWN gt lt ENTER gt fT pm onfirm the changes then lt 5 gt 39 percentage 96 or in values Figure 49 DOWN 4 times gt YOUNG TECH Ca Lid lt 5 gt a uL i Completed Description YT 2500L Positioner model VERSION Main software version HART V HART Protocol version POL AddR Channel address that is used in HART Protocol bIAS VI BIAS value for motor piezo valve control Can be adjusted only by manufacturer oY Od Total used time duration lf a unit was used less than 1 minute the time does not accumulate FULL OP Time elapsed for valve to fully open FULL CL Time elapsed for valve to fully close VM NOR Display type of valve stroke on LCD either in percentage or value Erro Display error code or warning message Figure 53 VALUE I Current I Value Can be adjusted only by manufacturer ABS Display absolute resistance value Figure 49 VIEW Adjustment and Description Table Error and Warning Code Y T 2500 2550 series provides error and warning codes if there is are problem s Error Code Error code will be displayed when the positioner cannot be operated Error Code Code Description and Cause Action Positioner is improperly installed 2 u Re install mount the positioner Positioner lever is not parallel to the ground MT ERR
20. exagon headed and wrench bolts Size of the bracket hole is 6mm When tightening bolts please use spring washer or similar for firm attachment to the actuator so YT 2500 2550R will not be affected by vibration or any other impact The direction of bracket is different by operating condition but normally the positioner is installed as shown in Figure 12 Direction A Figure 12 gt 20 YOUNG TECH Lid 3 Set rotation position of the actuator stem at zero point 0 For a single type of actuator it is easy to check zero point because the actuator stem is positioned at zero point when there is no supply pressure If double acting actuator is used check actuator stem s rotation direction clockwise or counter clockwise by supplying pressure 4 Install the fork lever as shown in Figure 13 after setting actuator stem at zero point Check the direction of the actuator stem clockwise or counter clockwise Installation angle of the fork lever should be 45 degrees based on the linear shaft For NAMUR shaft the angle does not matter Tri counter clockwise clockwise Figure 13 5 After setting fork lever position assemble lock nuts which are located on the bottom of the fork lever Make sure to set the height of upper fork lever between 6 11 mm which is lower than upper bracket height Figure 14 bracket 6 11mm Fork Lever Actuator Figure 14 21
21. ing Tested under ambient temperature of 20 C absolute pressure of 760mmHg and humidity of 65 Please contact YTC for the more detailed specification Explosion Proof certification is in progress Please contact YTC for most current progress YOUNG TECH Lid Specification YT 2550 Model YT 2550L YT 2550R Acting Type Single Double Single Double Input Signal 4 20 DC Minimum Current Signal 3 2mA Standard 3 8mA Hart Included Supply Pressure 1 4 7kgf cm 0 14 0 7 MPa Stroke 10 150 mm 0 90 Impedance Max 460 Ohm 20mA DC Air Connection NPT 1 4 Gauge Connection NPT 1 8 Conduit Entry PF 1 2 Standard NPT1 2 Option Protection IP66 Explosion Proof ExialICT5 T6 Operating Temp 30 85 C Ambient Temperature l Explosion proof Temp 40 60 C T5 40 40 C T6 Linearity 0 5 F S Hysteresis 0 5 F S Sensitivity 0 2 F S Repeatability 0 3 F S Flow Capacity 70 LPM Air Consumption LPM sup 1 4K idle status Output Characteristic Linear Quick Open EQ User Set 16 Point Vibration No Resonance upto 100Hz at 6G Humidity 5 95 RH at 40 C Communication Option HART Communication Feedback Signal Option 4 20mA 10 30V Material Stainless Steel 316 Weight 2 9 kg 6 4 Ib Tested under ambient temperature of 20 C absolute pressure of 760mmHg and humidity of 65 Please contact YTC for the m
22. m 41 YOUNG TECH Lid ABS al fa 2 1 Down button PT2 Error code e Up button sl a Esc bulton 22 m View method ENT Enter button L3 KD ITP Full close time al Te al ta al fe KP p TRNORMRE Split control Full open fime A D A D A D A m Li dq I m 17 s 1 Auto cal Manual Mode T Parameter Hand cal Valve View ame ses EST ESC ESC ESC Run Mode D 42 3 YOUNG TECH Lid Young Tech Co Ltd Address 662 8 Pungmu Dong Kimpo City Kyeonggi Do South Korea Phone 82 31 986 8545 Fax 82 31 986 2683 Web www ytc co kr This manual can be changed or revised without any prior notice For latest version please contact YTC website Issued 2010 AUGUST Version 1 04 43
23. ore detailed specification Explosion Proof certification is in progress Please contact YTC for most current progress YOUNG TECH Lid Parts and Assembly The structure of YT 2500 2550L is as shown only difference between YT 2500 2550L and YT 2500 2550R is the feedback lever Indicator YT 2500 2550L YT 2500 2550R L S option 10 Dimensions YT 2500 series OUT _ T YT 2500R 11 AEN YOUNG TECH Co Lid 130 6 141 6 YT 2500R 1 5 option Dimensions YT 2550 series YT 2550L 12 YOUNG TECH Lid lt YT 2550R L S option 13 YOUNG TECH Ca Lid Installation safety Warning When installing a positioner please ensure to read and follow safety instruction All input and supply pressure to valve actuator and other related devices must be turned off Use bypass valve or other equipment to avoid entire system shut down e Make sure there is no remaining pressure in the actuator Tools for Installation 7 Hexagonal wrench 2 Screw drivers amp 3 Spanners for hexagonal head bolts Information for the intrinsically safety In order to have intrinsically safety f
24. regulator to the actuator temporarily Set supply pressure of the regulator in order to position the actuator clamp at 50 of valve stroke Figure 4 gt Figure 4 gt Figure 5 gt 6 Insert connection bar into the YT 2500 2550L feedback lever The connection bar should be inserted at the 5096 point on the feedback lever which would help to reduce hysteresis Figure 5 7 If connection bar does not point at 50 point then adjust bracket or feedback link bar position Failure to position at 50 would lower the linearity of the poistioner figure 6 Figure 6 8 Check valve stroke The stroke numbers are indicated on the feedback lever Position connection bar at the number on the feedback lever according to the valve stroke Figure 7 To adjust move the bracket or the connection bar Stroke 40mm CIC aL CLA 1020 4g 70 RJ 90 100 110127 151 1 Stroke 90mm Figure 7 1 YOUNG TECH Ca Lid Note After installing YT 2500 2550L operate the valve from 0 to 100 stroke by using air filter regulator on the actuator Both of 0 and 10096 the feedback lever should not touch the lever stopper which is located on the backside of YT 2500 2550L Figure 8 f the feedback lever touches the lever stopper YT 2500 2550L should be installed further away from the center of the yoke Figure 8 9 After the proper installation tighten all of the bolts on the bracket the fe
25. rized inner structure YOUNG TECH Ca Lid Label Description MODEL NUMBER 2200 MODEL NUMBER EXPLOSION PROOF Ex ia IIC T5 T6 1266 Gs EXPLOSION PROOF INPUT SIGNAL 4 20m DC 10 00000 0000 INPUT SIGNAL OPERATING TEMP e ASE 22 JESF AMBIENT TEMP EXPLOSION TEMP 4U C 40 C 40 C SUPPLY PRESSURE SUPPLY PRESSURE 1 4 7 kgf cm Ui li Pi Ci Li Ui li Pi Ci Li see Certificate SERIAL NUMBER SERIAL NUMBER Oe oa www ytc co kr Y SMART POSITIONER in korea 27 SMART POSITIONER korea www ytc co kr YT 2500 Label YT 2550 Label Model Number Indicates model name and any option if any Explosion Proof Indicates the protection grade Input Signal Indicates current input signal range Ambient Temperature Indicates ambient temperature for normal operation Supply Pressure Indicates the range of supply pressure Ui li Pi Ci Li See certificates for parameter values of intrinsically safe Serial Number Indicates unique serial number 6 YOUNG TECH Co Lid Suffix Symbol Y T 2500 2550 series follows suffix symbols as follows YT 2500 2550 6 1 Motion Type L Linear Rotary 2 Acting Type S Single Acting D Double Acting 3 Explosion Proof n non explosion 6 5 1 10 40 mm 2 20 70 mm 3 90 100 mm 4 100 150 mm 4 Feedback Lever 1 M6 X 40L YT 2500 2550R 2 M6 X 63L 3 M8 X 401 4 5
26. s lock up valve or solenoid valve LCD display enables users to monitor the status of the positioner The positioner operates normally even if there are sudden changes in supply pressure and in high vibration environment The method of Auto Calibration is very simple Due to the small size of the positioner it can be installed on a small actuator Low air consumption level and low voltage use 8 5V yield to lower operating cost The positioner is compatible with most of controllers Variable orifice can minimize the hunting occurrence and optimize operating condition Various sets of information can be interchanged by HART communication protocol between a valve and a positioner Valve system becomes more stable by outputting analog feedback signal Various characteristics of valve can be adjusted Linear Quick open and Equal percentage 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 change the flow of the pressure whether to send directly to actuator or to operate by positioner Split range 4 12mA or 12 20mA be set Hand calibration function can be set Zero and Span values It has IP66 protection grade Air filter regulator can be attached with only one linear nipple It does not require extra piping Epoxy polyester powder coating resists against the corrosion process Maintenance of the positioner is easy because of modula
27. s not included in above section the characteristic curve can be made by selecting 16 points of the curve Figure 45 gt C gt lt ENTER gt lt DOWN gt lt ENTER gt 6 seconds 3 times UP DOWN 30 d UP DOWN o o then ENTER SET lt ENTER gt then lt ENTER gt ENTER ENTER 6 seconds Figure 45 USER SET Adjustment Tight Shut Open TSHUT OP D ENTER 6 seconds ENTER YOUNG TECH Lid ESC 3 times D then lt ENTER gt lt UP gt lt DOWN gt 5 then ENTER 3 times TSHUT OP allows the valve to open completely when the input signal reaches around 20mA Figure 46 Figure 46 TSHUT OP Adjustment Tight Shut Close TSHUT CL lt gt ENTER 6 seconds lt UP gt lt DOWN gt ESC 3 times gt gt ESC then ENTER then ENTER 3 times TSHUT CL allows the valve to close completely when the input signal reaches around 4mA Figure 47 Figure 47 TSHUT CL Adjustment Split Range Control SPLIT ENTER D lt ENTER gt 6 seconds lt UP gt lt DOWN gt ESC 3 times D D lt ESC gt then lt ENTER gt then lt ENTER gt 3 times The valve can be controlled by three input signal 4 20mA 4 12mA or 12 20mA lt Figure 48 gt lt Figure 48 SPLIT Adjustment gt View Mode VIEW In this mode us
28. similar to Kd1 However unlike Kd1 Kd2 indicates the D value when the valve stem moves upward for the reverse action and for the downward movement for the direct action actuator PT Value PT1 PT1 value indicates the minimum time interval lt msec gt of the valve control signal to operate If the value is too large then oscillation may occur On the other hand where the value is too low then the response time of the positioner can become very slow D lt DOWN gt lt ENTER gt 7 times 34 YOUNG TECH Lid lt UP gt lt DOWN gt 5 ENTER Completed lt ESC gt PT Value PT2 PT2 is similar to PT1 However unlike PT1 PT2 indicates the PT value when the valve stem moves upward for the reverse action and for the downward movement for the direct action actuator KP andD Value The concept of values are similar to the P and D value However KP and D value affected when the target stroke value is about to be reached within 1 of valve stroke deviation Hand Calibration Mode HANd CAL When user wants to confirm the calibration of the positioner after AUTO Calibration has been completed user can manually calibrate the positioner as well by entering into Hand Calibration Mode Zero Point PZ ZERO and End Point PZ END for Valves In PZ ZERO mode the zero point of valve can be adjusted and in PV END mode the end point of the valve can be adjusted Fig
29. unctions barriers must be installed in SAFE area as below Required spec of barrier is mentioned below E 1 Ui 28V li 47 Pi 329mW Ci 0 6nF differentially between the lines or 2 2nF against ground Li 300 pH The supply circuit is galvanically isolated against earth Barrier 2 YOUNG TECH Co Lid Ui 28V li 47mA Pi 2329mW Ci O 6nF differentially between the lines or 2 2nF against ground Li 300 pH The PTM circuit is galvanically isolated against earth Barrier 3 4 Ui 28V li 93mA Pi 582 Ci 0 Li 0 uH The limit switch circuits are galvanically isolated against earth All circuit are galvanically isolated against each other For the purpose of the safety information in this manual and on the product labes qualified personnel are those who are trained instructed or authorized to perform work on electrical circuits of equipment subject to explosion hazard The instrument must only be installed an commissioned by qualified personnel The device may be used solely for the purposes described in this manual If the intrinsically safe version is operated with a higher operating voltage by mistake the positioned must no longer be used for intrinsically safe application Y T 2500 2550L Installation Y T 2500 2550L should be installed on linear motion valve such as globe valve or gate valve using spring return type of diaphragm or piston actuator Before install
30. ure 37 o o o ENTER DOWN HHMd LRL ENTER 6 seconds 3 times lt UP gt lt DOWN gt D lt ENTER gt 72 bd then lt ENTER gt Zero Point Adjustment lt ESC gt lt UP gt lt DOWN gt 5 then ENTER D lt ENTER gt End Point Adjustment Completed 35 YOUNG TECH Ca Lid Figure 37 PZ ZERO and PZ END Adjustment Zero Point TR ZERO and End Point END for Transmitter In TR ZERO mode the zero point of transmitter can be adjusted and in END mode the end point of the transmitter can be adjusted These points should be adjusted when output signal is not constant and or the user wants to set transmitter output signal and actual stroke not equally The connection should be done as shown in Figure 38 and the procedure can be done as shown in Figure 39 Figure 38 Connection lt UP gt lt DOWN gt D 5 ENTER then ENTER ENTER lt UP gt lt DOWN gt D then lt ENTER gt Completed lt ESC gt End Point Adjustment lt Figure 39 TR_ZERO and TR_END Adjustment gt End Point Ratio for Valve PE TRIM When reverse acting lt RA gt actuator is used End Point can be adjusted within 10 of total stroke without adjusting valve s Zero Point lt Figure 40 gt HN ch SOON 4 times ENTER 36 YOUNG TECH Lid lt UP gt lt DOWN gt Completed then E
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