YT2500R Rev0.pub - Electric Valve Actuators
Contents
1. After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 2 Push lt ENTER gt button for 6 seconds at RUN mode and AUTO CAL message will be appeared 3 Push lt ENTER gt and AUTO1 mode will be displayed 4 Push lt DOWN gt button twice and AUTO3 mode will be displayed Push lt ENTER gt and AUTOS will be started After several minute COMPLETE message will be appeared to indicated that AUTOS calibration has been completed 5 gt a pe es anes Ray AUTO 3 ne COMPLETE lt Figure 33 AUTO3 Calibration gt Complete Manual Mode MANUAL MANUAL MODE is used to move valve stem manually During MANUAL MODE YT 2500 moves valve strokes not by input signal The movement of the stroke does not affect YT 2500 saved data values and it just moves valve strokes up down physically lt Figure 34 gt Smart Positioners YT 2500 Ser ies o gt gt lt DOWN gt MANUAL lt ENTER gt Completed iy Renate AUTO CAL ESC gt MANUAL a lt Figure 34 MANUAL MODE gt Tip when increasing decreasing value lt UP gt only Increase stem value slowly lt UP gt lt ENTER gt Increase stem value quickly lt DOWN gt only Decrease stem value slowly lt DOWN gt lt ENTER gt Decrease stem value quickly Parameter Mode PARAM AUTO CAL optimizes most of the valve actuator controls However2. Electro pneumatic positioner YT2500R_ Fail freeze safe area SMART Electro Pneumatic positioner General Doc YT 2500R 0 Mar 2009 The YT 2500 Series is a smart positioner and controls valve movement accurately using a 4 20mA input signal Using a highly efficient internal microprocessor it performs various and powerful functions such as auto calibration PID control alarms and HART protocol An LED display gives a continuous status indication and is used for many other functions The YT 2500 positioner freezes at the current value should the control input signal fail or the supply pressure fall below 1 4 bar Specifications Main air supply Control signal Impedance Protection Linearity Hysteresis Sensitivity Repeatability Impedance Operating temp Consumption Output Characteristics Weight Features AnLCD screen makes it easy to inspect the state of the posi tioner in the field 1 4 7 bar 20 100 psi 4 20 mA DC Max 460 Ohm 20mA DC IP 66 0 5 Full Scale 0 5 Full Scale 0 2 Full Scale 0 3 Full Scale Max 460 Ohms 20mA 30 to 85C lt 0 01 LPM at 1 4 bar Linear Equal percentage Quick opening User defined 1 5 kg Applications The YT 2500 range is suitable for Zone 0 applications EExia IIC T6 but does NOT currently have ATEX ap Rotary version YT 2500R Linear version YT 2500L Installation The YT 2500R is quick and simple to mount to a
3. and AUTO1 will be started After several minute COMPLETE message will be appeared to indicate that gt gt lt ENTER gt lt ENTER gt AUTO AUTO1 calibration has been completed cy lt ENTER gt 6 seconds AUTO CAL Completed COMPLETE Auto 2 Calibration Auto 2 Calibration sets all of the parameter which needs to be calibrated in order for lt Figure 31 AUTO1 Calibration gt valve system to operate Auto 2 Calibration is recommended when YT 2500 is first installed on the valve system lt Figure 32 gt After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 2 Push lt ENTER gt button for 6 seconds at RUN mode and AUTO CAL message will be appeared 3 Push lt ENTER gt and AUTO1 mode will be displayed 24 Smart Positioners YT 2500 Ser ies 4 Push lt DOWN gt and AUTO2 mode will be displayed Push lt ENTER gt and AUTO2 will be started After several minute COMPLETE message will be appeared to indicate that AUTO2 calibration has been completed E gt gt gt Plaka AUTO CAL lt ENTER gt RUTO i lt DOWN gt PEE tas COMPLETE Completed lt Figure 32 AUTO2 Calibration gt Auto 3 Calibration Auto 3 Calibration sets all of the parameters but it does not change the zero and end point It is recommended to manually set zero and end point first then start Auto 3 Calibration lt Figure 33 gt
4. ee an a p pRa l Make sure the feedback lever does Up button ta ta MT ERR H Positioner lever is not parallel to the TE Us not touch the stopper at both 0 Esc button PT1 iew method ground at 50 point o and 100 Enter button Valve does not operate when positioner f i CHK AIR f Eull O P ry ae Id 2 Alit Check if supply pressure is stable KD_ le clope Hime receives u pen signal during Auto anaaga ta 5 te ta Calibration X KP_ TR NORM REV it contro open time RNG ERR Operating angle is too small due to Adjust bracket so the positioner can te fa e te ta improper mounting of positioner be mounted closer to actuator K D2 PE TRIM Tight shut off Used time fe el fel al fe ta e Error 10 or above persists more than 1 a KP2 TR end point f Tight shut on Polling Add minute Perform BIAS Calibration C No valve movement Check setting pressure of actuator and I e f e v l Friction of valve is too large set the pressure as recommended K D1 TR start point Hart ver Setting pressure of actuator changes gt E t 5 Py d point h f ver Value reaches at maximum or minimum Perform AUTO Calibration KPI por Character Sot ver D limit point Check setting pressure of actuator 4 ta Friction of valve changes and set the pressure as Dead Zone Start point Model Number Setting pressure of actuator changes recommended fem fem fe Warning Code Auto cal Manual Mode Parameter Hand cal i
5. 2 Acting type 3 Explosion proof 4 Feedback lever YT 2500L Oo NID IT Linear Rotary Single acting Double acting Ex ia IIC T6 T5 gt non explosion 10 40 mm 20 70 mm 50 100 mm 100 150 mm Feedback lever YT 2500R Ol Connection type 6 Communication R Option ON OJO N oa A OO N M6 x 40L M6 x 63L M8 x 40L M8 x 63L NAMUR Standard PT 1 4 NPT 1 4 G 1 4 None HART communication None Position transmitter Smart Positioners YT 2500 Ser ies Smart Positioners YT 2500 Ser ies Specification Parts and Assembly iada TE TERE The structure of ee is as shown lt Figurei gt The only difference between YT 2500L and YT 2500R is the feedback lever Acting Type Single Double Single Double Input Signal 4 20mA 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 ExiallCT6 T5 Operating Temp 30 85 C Ambient T t PERE Explosion proof Temp 30 60 C T5 30 40 C T6 Linearity 0 5 F S Hyst
6. 4 M4 bolts 2 Loose terminal locking bolts of feedback signal for position transmitter on terminal plate 3 Insert cables through cable connector in YT 2500 4 Use ring type when connecting terminals in order to lock completely i 5 Insert terminal bolts through the holes and lock them with and terminals on the terminal plate Tighten bolts with 1 5Nm 15kfgcm torque 6 Be sure the polarities of terminals are properly connected Connection Ground 1 Ground must be done before operating YT 2500 2 Inside of the terminal box locate ground terminal plate at the center of terminal plate lt Figure 22 gt Use any type of ground terminal with the resistance less than 100hm lt Figure 22 Ground Terminal gt 3 Make sure to use ring type ground cable in order to lock them completely 20 Smart Positioners YT 2500 Ser ies 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 lt Figure 25 gt lt Figure 25 Variable Orifice Adjustment gt Adjustment Option Modules PCB PTM H
7. Namur compliant drive shaft using the universal mounting bracket Various types of information regarding the valve and positioner provided with the positioner can be processed by using the optional Hart communication proval for use in the EU It is strongly recommended that the supply air is filtered to 5 microns or better to protect the fine internal orifices within the YT 1000R See our YT filter regulator data sheet s for PID parameters can be adjusted easily in the field by button details Air connections are 4 NPT Analogue feedback signal can be used to stabilise the valve Gauge connections are 1 8 NPT Various valve characteristics such as linear quick open and equal percentage are available as options Conduit connection is GI 2 Fail Freeze Type Smart Positioners YT 2500 Series USER S MANUAL YTC Ver 1 01 Smart Positioners YT 2500 Ser ies Table of Contents Introduction 3 Manufacturer Warranty 3 Product Description 4 Main Features and Functions 4 Label Description 5 Suffix Symbol 5 Specification 6 Parts and Assembly 7 Dimensions 8 Installation 9 YT 2500L Installation 9 YT 2500R Installation 13 Connection 17 Connection Piping 17 Piping Connection with Actuator 18 Connection Power 19 Connection Feedback Signal 20 Connection Ground 20 Adjustment 21 Variable Orifi
8. Stem H E Actuator RA Pi o lt Figure 10 gt YT 2500R Upper Bracket A a RO 7 y A i INA L ns B R _ H 20 30 Lower Bracket B Actuator lt Figure 11 gt 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 14 Smart Positioners YT 2500 Ser ies 2 Attach bracketed YT 2500R to the actuator by using hexagon headed and wrench bolts Size of the bracket hole is 6mm When tightening bolts use spring washer or similar for firm attachment to the actuator so YT 2500R will not shake by vibration or any other impact The direction of bracket is different by the operating condition but normally the positioner is installed as shown in lt Figure 12 gt lt Figure 12 gt 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 lt Figure 13 gt 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 doe
9. gt lt DOWN gt lt ENTER gt ms PY _ ZERO XPE 30 ip then lt ENTER gt End Point Adjustment x Completed lt ESC gt lt Figure 38 PZ_ZERO and PZ_END Adjustment gt Zero Point TR_ZERO and End Point TR_END for Transmitter In TR_ZERO mode the zero point of transmitter can be adjusted and in TR_END or ee i mode the end point of the transmitter can be o a h adjusted These points should be adjusted 12 30V fi 7 i Feed back signal E when output signal is not constant and or the user wants to set transmitter output signal and actual stroke not equally The connection onnon oS Pea i x JuJu Se should be done as shown in lt Figure 39 gt and P the procedure can be done as shown in lt Figure 40 gt lt Figure 39 Connection gt lt UP gt lt DOWN gt 3 XR_ZERD then lt ENTER gt cy lt DOWN gt lt ENTER gt TR_ZERO 400 Zero Point Adjustment 29 Smart Positioners YT 2500 Ser ies gt gt gt lt ESC gt lt DOWN gt lt ENTER gt TRIUZERO U F g 5 lt UP gt lt DOWN gt Ss gt lt ESC gt Completed TR_ENd then lt ENTER gt End Point Adjustment lt Figure 40 TR_ZERO and TR_END Adjustment gt End Point Ratio for Valve PE TRIM When RA actuator is used End Point can be adjusted within 10 of total strok
10. 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 lt Figure 53 gt VALUE Current Value Can be adjusted only by manufacturer ABS Display absolute resistance value lt Figure 50 VIEW Adjustment and Description Table gt 33 Smart Positioners YT 2500 Ser ies Smart Positioners YT 2500 Ser ies Error and Warning Code YT 2500 series provides error and warning codes if there is are problem s Main Software Map Error Code Error code will be displayed when the positioner cannot be operated Error Code Code Description and Cause Action Re install mount the positioner Positioner is improperly installed pepe Make sure the feedback lever does Positioner lever is not parallel to the MT ERR L R not touch the stopper at both 0 ABS ground at 50 point and 100 Positioner is improperly installed Reo s a On postion
11. 0L should be installed further away from the center of the yoke lt Figure 8 gt 9 After the proper installation tighten all of the bolts on the bracket the feedback lever and the connection bar 12 Smart Positioners YT 2500 Ser ies YT 2500R Installation YT 2500R 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 YT 2500R main body 2 Fork lever and lever spring 3 1 set of bracket 4 4 pcs of hexagon head bolts M8 x 1 25P 4 pcs of M8 plate washer YT 2500R_ Installation Example YT 2500R on Fork Lever YT 2500R on NAMUR Lever 13 Smart Positioners YT 2500 Ser ies Bracket Information YT 2500R is supplied with standard bracket The bracket can be used for Fork lever and NAMUR bracket Please see lt Figure 9 10 amp 11 gt for more detailed information Actuator stem Markings of bolt holes height H A L B L A R B R 20mm H 20 H 20 30 H 20 H 20 30 30mm H 30 H 20 30 H 30 H 20 30 50mm H 50 H 50 H 50 H 50 lt Figure 9 gt 1 Standard actuator stem height H is 20 30 or 50mm After checking H assemble with the bracket as shown in lt Figure 9 10 amp 11 gt e Actuator
12. ART Position Transmitter PTM HART Communication HART or PTM HART option can be installed on standard YT 2500 series PCB Please refer to lt Figure 26 gt for each option s PCB a y HART PCB PTM PCB HART PTM PCB lt Figure 26 PCB for Each Options gt 21 Smart Positioners YT 2500 Ser ies After purchasing PCB Option Adder Package please make sure that the box contains following Components Locking bolts 4 pcs PCB support 2 pcs PCB module 1 pc Please install the PCB modules as follows 1 Open the cover and separate main PCB board from the body 2 Refer to lt Figure 27 gt and lock 2 bolts on the bottom with PCB supports 3 Insert 14 pins to the 14 pins lot completely 4 Lock another 2 bolts on the top of the PCB 5 Re install main PCB on the main body lt Figure 27 gt When HART option PCB installed on the main PCB please make sure to REMOVE option jumper lt Figure 27 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 YT 2500 series has 4 buttons and enable to perform various functions Please refer to the below table for further description UP ESC Joo ENTER R M pe o a Ne eat a
13. 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 Avoid any oil 4 Comply with ANSI ISA 57 3 1975 R1981 or ISA S7 3 1975 R1981 Not to be used beyond the range of 1 4 7 kgf cm 140 700 kPA Set air filter regulator s supplied pressure 10 higher than actuator s spring range pressure Pipe Connection 1 Make sure 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 17 Smart Positioners YT 2500 Ser ies Piping Connection with Actuator Single acting actuator YT 2500 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 lt Figure 17 amp 18 gt O lt Figure 17 YT 2500L gt lt Figure 18 YT 2500R gt Double acting actuator For YT 2500 series double acting type when inputting current signal supply pressure is out from OUT1 Please refer to lt Figure 19 amp 20 gt lt Figure 19 YT 2500L
14. ENTER gt 4 times lt ENTER gt 6 seconds lt UP gt lt DOWN gt q 5 gt e HEN XSHUT CL nen SENTERA SHUT CL 3 times lt ESC gt 3 times gt then lt ENTER gt lt Figure 48 TSHUT CL Adjustment gt 32 Smart Positioners YT 2500 Ser ies Split Range Control SPLIT The valve can be controlled by three input signal 4 20mA 4 12mA or 12 20mA lt Figure 49 gt lt ENTER gt lt DOWN gt lt ENTER gt 6 seconds 5 times U m F lt UP gt lt DOWN gt u 4 lt ESC gt 3 times lt ESC gt a SPLIT then lt ENTER gt 5PLIT tines then lt ENTER gt lt Figure 49 SPLIT Adjustment gt View Mode VIEW In this mode user can set the positioner to display different information such as stroke value in percentage or in values lt Figure 50 gt lt UP gt lt DOWN gt ie Pere the lt DOWN gt lt ENTER gt ecco 4 times YT 2S00L J lt ESC gt os 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 control Can be adjusted only by manufacturer oY od Total used time duration If a unit was used less than 1 minute the time does not accumulate FULL_OP Time elapsed for valve to fully
15. art Positioners YT 2500 Ser ies 5 Connect air filter regulator to the actuator temporarily Set supply pressure of the regulator in order to position the actuator clamp at 50 of valve stroke lt Figure 4 gt lt Figure 4 gt lt Figure 5 gt 6 Insert connection bar into the YT 2500L feedback lever The connection bar should be inserted at the 50 point on the feedback lever which would help to reduce hysteresis lt Figure 5 gt 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 positioner lt Figure 6 gt lt Figure 6 gt 11 Smart Positioners YT 2500 Ser ies 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 lt Figure 7 gt To adjust move the bracket or the connection bar Gaus 5 6S eee ere Stroke 40mm 30 40 50 60 70 60 90 100 110 120 130 140 150 Stroke 90mm LOJ N DE Gea 10 20 30 40 50 60 70 80 90 10 140 150 lt Figure 7 gt Note After installing YT 2500L operate the valve from 0 to 100 stroke by using air filter regulator on the actuator Both of 0 and 100 the feedback lever should not touch the lever stopper which is located on the backside of YT 2500L lt Figure 8 gt If the feedback lever touches the lever stopper YT 250
16. cal Young Tech Co Ltd office or main office in South Korea Smart Positioners YT 2500 Ser ies Product Description YT 2500 Smart Vavle Positioner accurately controls valve stroke according to input signal of 4 20mA which is being input from the controller or control room 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 2500L YT 2500R Main Features and Functions 1 YT 2500 series stays at the last positioner when the input signal and or supply pressure fails without any additional accessories such as lock up valve or solenoid valve LCD display enables users to monitor the status of the positioner The positioner operates normally even there is a sudden change in supply pressure and high vibration environment 4 The method of Auto Calibration is very simple Due to the small size of the positioner it can be installed on a small actuator 6 Very low air consumption level and low voltage use 8 5V yields lower operating cost and it is compatible with most of the controllers 7 Variable orifice can minimize the hunting occurrence and optimize operating condition 8 Various sets of information can be interchanged by HART communication between a valve and a positioner 9 Valve system becomes more stable by outputting analog feedback signal 10 Tight Shut Clos
17. ce 21 Option Modules PCB 21 Auto Calibration and Basic Operation 22 Button Description 22 Run Mode RUN 23 Auto Calibration AUTO CAL 24 Auto 1 Calibration 24 Auto 2 Calibration 24 Auto 3 Calibration 25 Manual Mode Manual 25 Parameter Mode PARAM 26 Dead Zone dEAdZONE 26 Smart Positioners YT 2500 Ser ies Smart Positioners YT 2500 Ser ies 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 P Value KP1 27 strongly recommend users to read the manual carefully and fully understood I Value KI1 27 l err ae T The manual should be provided to the end user AA The manual can be altered or revised without any prior notice Any changes in D2 Value Kd2 28 ace product s specification structure and or any components may not result immediate PT Value PT1 28 revised version of the manual PT Value PT2 28 The manual should not be duplicated or reproduced for any purpose without any KP_ and D_Value 28 approval from Young Tech Co Ltd South Korea Hand Calibration Mode HANd CAL 29 Zero Point PZ_ZERO and End Point PZ_END 29 Zero Point TR_ZERO and End Point TR_END 29 End Point Ration for Valve PE_TRIM 30 Normal Reverse Feedback Signal TR_ NORM REV 30 Valve Mode VALVE 31 Acting Adjustment ACT 31 Characte
18. e without adjusting valve s Zero Point lt Figure 41 gt gt c bU 2 o gt HAN CAL AER Py _7ERO anes PE TRIM SEER Ei lt UP gt lt DOWN gt XPE TRIM then lt ENTER gt Normal Reverse Feedback Signal TR_NORM REV The feedback signal from position transmitter can be viewed as normal or as reverse D Completed lt ESC gt 3 times lt Figure 41 PE_TRIM Adjustment gt For example actual input signal of 4mA can be viewed as output signal of 20mA lt Figure 42 gt gt eb 7 HANG CAL J SP Py_ZERO Svines TR NORM e HEZE Ha gt gt XTR NORM Lace XIR REVS va tTR REVS ie lt Figure 42 TR_NORM REV gt Smart Positioners YT 2500 Ser ies Valve Mode VALVE Acting Adjustment ACT The positioner can be set as D A Direct Action or R A Reverse Action lt Figure 43 gt gt gt gt lt ENTER gt lt DOWN gt lt ENTER gt 6 seconds RUTO CHL 3 times En lt UP gt lt DOWN gt 5 lt ENTER gt z lt ESC gt XACT RH then lt ENTER gt RCT dH l 3 times Completed lt Figure 43 D A or R A Adjustment gt Characteristics Adjustment CHAR Strok The positioner s characteristics can be set depends hai on user s preference lt Figure 44 gt There are 3 types of characteristics Linear LIN Equal auickopen Percentage EQ and Quick Open QO Following diagram lt Figure 45 gt graphically show
19. e and Shut Open can be set 11 PID parameters can be adjusted in the filed without any additional communicator 12 A M Switch can change the flow of the pressure whether to send directly to actuator 13 Split range 4 12mA or 12 20mA can be set 14 Hand Calibration function can set Zero and Span values 15 It has IP66 protection grade 16 Air filter regulator can be attached with only one linear nipple It does not require extra piping 17 Epoxy polyester power coating resists against the corrosion process 18 Maintenance of the positioner is easy because of modularized inner structure Smart Positioners Label Description Model Number Explosion Proof Input Signal Ambient Temperature Supply Pressure Ui li Pi Ci Li Serial Number Suffix Symbol YT 2500 Ser ies MODEL NUMBER EXPLOSION PROOF INPUT SIGNAL AMBIENT TEMP SUPPLY PRESSURE SERIAL NUMBER YT 2500 4 20mA DC 1 4 7 kgf cm frc SMART POSITIONER www ytc co kr Indicates model name and any option if any Indicates the protection grade Indicates current input signal range Indicates ambient temperature for normal operation Indicates the range of supply pressure See certificates for parameter values of intrinsically safe Indicates unique serial number YT 2500 series follows suffix symbols as follows YT 2500 1 2 3 4 5 6 z 1 Motion type
20. eresis 0 5 F S Sensitivity 0 2 F S Repeatability 0 3 F S Flow Capacity 70 LPM Air Consumption O 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 40C 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 Coating Tested under ambient temperature of 20 C absolute pressure of 760mmHg and humidity of 65 Please contact YTC for the more detailed specification lt Figure 1 gt Smart Positioners Dimensions YT 2500 Ser ies lt YT 2500R gt The brackets for attaching on the actuators are they are also used for checking piping etc made by using these drawings and Smart Positioners YT 2500 Ser ies 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 Make sure there is no remaining pressure in the actuator Tools for Installation Hexagonal wrench Screw drivers amp 3 Spanners for hexagonal head bolts YT 2500L Installation YT 2500L should be installed on linear motion valve such as globe valve or gate valve using sp
21. gt lt Figure 20 YT 2500R gt 18 Smart Positioners YT 2500 Ser ies 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 series except internal PTM type must use DC 4 20mA Minimum supply current should be 3 2mA for standard YT 2500 and minimum 3 8mA should be supplied for YT 2500 with HART communication The power should not exceed 24mA YT 2500 series with PTM option separate power should be supplied to PTM The voltage should be between 9 27V and not exceeding 30V YT 2500 must be grounded Please use twisted cable with conductor section area 1 25mm 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 N ae Ia tw OOS 2 N M m an amp i EI IN Aln NII FG S out EY a A ew lt Figure 21 Terminal box gt IN Input signal IN Input signal FG Ground OUT Output OUT Output 19 Smart Positioners YT 2500 Ser ies Connection Feedback Signal 1 Open product cover by opening
22. 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 Dead Zone dEAdZONE P value KP 3 I value KI 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 adjustments However in order to save the change lt ENTER gt 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 lt Figure 35 gt 26 Smart Positioners YT 2500 Ser ies gt gt on AUTO CAL Dee PARAM Eu lt UP gt lt DOWN gt aE 5 e then lt ENTER gt ERAZONE ane SO 2 dERYZONE ee Completed lt Figure 35 Adjusting Dead Zone gt P Value KP1 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 va
23. lue rather slowly but it is less likely to occur hunting lt Figure 36 gt gt gt gt lt ENTER gt lt DOWN gt lt ENTER gt PARAM 3 times lt UP gt lt DOWN gt gt Completed then lt ENTER gt aed 3 times lt Figure 36 Adjusting P Value gt l Value KI1 l value indicates the differential value which will be added on to the compensation signal based on the percentage of error allowance As K1I increases oscillation can be occurred more likely and as it decreases the duration to find target point gets longer lt Figure 37 gt 7 Smart Positioners gD dERd ZONE lt UP gt lt DOWN gt gt then lt ENTER gt YT 2500 Series lt DOWN gt lt ENTER gt 3 times gt lt ESC gt Completed 3 times lt Figure 37 Adjusting l 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 D2 Value Kd2 Kd2 is 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 parameter of the valve control one step of the range If the value is too large then oscillati
24. o y a FS SX z2 _ N all vt any Wl L3 i Haile ot f f 9 o lk 1 1 1 i S aO 8 eni 8 0 o re o o TZ Button Function Enter to main menu and sub menus save adjusted parameter lt ENTER gt values etc lt ESC gt Return to previous menu lt UP gt amp Move to next menu change parameter values etc lt DOWN gt 22 Smart Positioners Run Mode RUN After power connection to YT 2500 series following message will appear on LCD screen within 6 seconds Run mode gt RUN indicates that YT 2500 adjusts valve stroke with receiving signals 4 20mA and PV indicates the process value changes according to the input signal RUN mode lt Figure 29 gt lt Figure 28 gt YT 2500 Ser ies lt Figure 28 LCD Message gt In RUN mode the valve stroke continuously There are six types of display message in O Run PV Process Value Valve Stroke 2 Run SV Set Value Input Signal 0O 100 3 Run SV mA Set Value Input Signal 4 20mA Motor Manipulate Value 4 Run MV Manipulate Value Ha Digit Current Valve Stem s Velocity Run Vel Velocity e Digit Difference between SV and R
25. on may occur On the other hand where the value is too low then the response time of the positioner can become very slow lt UP gt lt DOWN gt 5 lt ENTER gt PT Value PT2 gt gt lt DOWN gt lt ENTER gt 7 times gt lt ESC gt Completed 3 times 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 and D Value The concept of KP_ and D_ 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 28 Smart Positioners YT 2500 Ser ies 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 lt Figure 38 gt cy poe HANG CAL lt ENTER gt lt ENTER gt 6 seconds AUTO CAL 53 gleger a g Py_ZERO 0 XPZ 63 tren lt enrer gt 4PZ 250 Zero Point Adjustment 2 H F gt a N E le lt UP gt lt DOWN gt
26. ors ERT 5 sec ESC Est ESC ESC ESC Warning code will be displayed when the positioner has a possibility of not operating Warning ov Code Description and Cause Action Code Re install mount the positioner Make sure the feedback lever does not B Pv Span Pv Zero range is below 500 touch the stopper at both 0 and The angle of feedback lever is too small 100 After re installation perform AUTO Calibration Time elapsed for either Full Open or Full f Use variable orifice F Close is less than 1 second Replace actuator with larger capacit The size of actuator is too small R 7 4 2 Re install mount the positioner j l i G Pv is below 100 After re installation perform AUTO1 The angle of feedback lever is too large Calibration 3 T a picor A000 Re install mount the positioner H After re installation perform AUTO The angle of feedback lever is too large i Calibration elll UUO EEEEEEEEOEOEOEOEEeeeeeeeeee EEE 34 35 Young Tech Co Ltd Address 662 8 Pungmu Dong Gimpo City Kyunggi Do South Korea Telephone 82 31 986 8545 Fax 82 31 986 2683 Website http www ytc kr User Manual and other information on the documents are subjected to change without any notice Please visit website for most updated information Printed Date Mar 2008
27. ring return type of diaphragm or piston actuator Before installation be sure to check for following installation components YT 2500 main body 2 Feedback lever and lever spring Flange nut bottom side of YT 2500L 4 4 pcs of hexagon head bolts M8 x 1 25P 4 pcs of M8 plate washer Installation Steps YT 2500L installation example 1 Proper bracket must be made in order to attach positioner on the actuator yoke Please consider following when making a bracket 1 Feedback lever should be leveled at 50 of 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 Smart Positioners YT 2500 Ser ies 2 Attach YT 2500L to the bracket which was made in earlier step by using bolts lt Figure 2 gt 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 lt Figure 2 Installing YT 2500L with bracket gt 3 Attach YT 2500L with bracket to the actuator yoke DO NOT TIGHTEN COMPLETELY 4 Connect YT 2500L feedback lever to the actuator clamp The gap on the YT 2500L feedback lever is 6 5mm The connection bar thickness should be less than 6 3mm lt Figure 3 gt lt Figure 3 gt 10 Sm
28. ristics Adjustment CHAR 31 User Characteristics USER SET 32 Manufacturer Warranty Tight Shut Open TSHUT OP 32 Bigg For the safety it is imperative to follow instructions in the manual It is not Tight Shut Close TSHUT CL 32 a2 aetati l manufacturer s liability for any damages which caused by users negligences Split Range Control SPLIT 33 It is not manufacturer s liability for any damages or accidents which resulted by View Mode VIEW 33 any alteration or modification of the product and parts If alteration or Error and Warning Code 34 modification is necessary please contact the manufacturer directly Main Software Map 35 Manufacturer warrants the 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 lo
29. s each characteristics lt Figure 44 gt gt 2 4 lt ENTER gt lt DOWN gt CHAR LIN lt ENTER gt at ete XHAR LIN then lt ENTER gt HAR EQ ae Completed LIN EQ QO lt Figure 45 Characteristics Adjustment gt Smart Positioners YT 2500 Ser ies User Characteristics USER SET When user has a specific characteristic which is not included in above section the characteristic curve can be made by selecting 16 points of the curve lt Figure 46 gt Se USER SET 2a 3 L 0o 30 ET 8 PO SET lt UP gt lt DO PO SET ij PI SET lt UP gt lt DO WN gt 2AS WN gt 424 gt lt ENTER gt lt ENTER gt lt Figure 46 USER SET Adjustment gt Tight Shut Open TSHUT OP TSHUT OP allows the valve to open completely when the input signal reaches around 20mA lt Figure 47 gt po gt gt lt ENTER gt lt DOWN gt lt ENTER gt 6 seconds 3 times i TSHUT OP lt UP gt lt DOWN gt g 5 Bu gt e Bs lt ESC gt 3 times gt then lt ENTER gt 5HUT OP ae then lt ENTER gt lt Figure 47 TSHUT OP Adjustment gt Tight Shut Close TSHUT CL TSHUT CL allows the valve to close completely when the input signal reaches around 4mA lt Figure 48 gt 2 Us V2 lt DOWN gt TSHUT r lt
30. s not matter counter clockwise clockwise lt Figure 13 gt 15 Smart Positioners YT 2500 Ser ies 5 After setting fork lever position lock nuts which are assembled on the bottom of the fork lever Make sure to set upper height of the fork lever between 6 11mm which is lower than upper bracket height lt Figure 14 gt bracket Fork Lever Actuator lt Figure 14 gt 6 Attach YT 2500R to the bracket Fix the clamping pin on the main shaft s center of YT 2500R 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 2500R and center of the actuator stem Bad alignment of the main shaft and the actuator stem lowers YT 2500R s durability because too much force will be on the main shaft of YT 2500R lt Figure 15 gt Fork Lever Clamping Pin Connection Main Shaft Bar lt Figure 15 gt 16 Smart Positioners YT 2500 Ser ies 7 Tighten YT 2500R base and the bracket with hexagon headed bolts and plate washer It is recommended to tighten four bolts after checking YT 2500R s position lt Figure 16 gt lt Figure 16 gt Connection Connection Piping Note To avoid entering moisture oil or dust into the product please carefully make selection of supply pressure compressor t is recommended to attach air filter regulator before supply port of YT 2500R Supply Pressure
31. un Err Error PV To change display push lt ESC gt and lt UP gt at same time order indicated above If lt ESC gt and lt DOWN gt pushed simultaneously the order will be displayed in opposite order Mode 23 lt Figure 29 Type of display message gt By pressing lt ESC gt the display will return to RUN lt Process Value PV The display will change in Smart Positioners YT 2500 Ser ies Auto Calibration AUTO CAL Auto Calibration Auto Cal automatically calibrates YT 2500 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 lt Figure 30 gt zer Point End Point KP KI KD RA DA AUTO1 O O x X AUTO2 O O O O AUTO3 x x O lt Figure 30 gt It is recommended to calibrate the positioner under AUTO2 when setting the system initially Auto 1 Calibration Auto 1 Calibration is mainly used when YT 2500 has not been set The parameter which needs to be calibrated in order for valve system to operate will be calibrated however KP KI and KD values do not change lt Figure 31 gt After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 2 Push lt ENTER gt button for 6 seconds at RUN mode and AUTO CAL message will be appeared 3 Push lt ENTER gt and AUTO1 mode will be displayed 4 Push lt ENTER gt
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