USER`S MANUAL - ASAHI/America,Inc.
Contents
1. gt lt EMTER gt LHL 4 times DOWN gt UP iw M Complet ed then lt ENTER gt TUE z times Figure 43 PE TRIM Adjistment 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 44 CAL PY ZERO 5 times HA e DOAN ENTER Ex EE XTR REVS m TH REVS ae lt EMT ER gt Figure 44 TR NORM REV Valve Mode VALVE Acting Adjustment ACT The positioner can be set as D A Direct Action or Reverse Action Figure 45 gt c DIAM x EMT ER gt times VALVE 0 7 DOWN gt c5 lt ESC gt then lt gt S3RET dA d bm ch EKITEF Figure 45 D A or R A Adjustment 32 Characteristics Adjustment CHAR The positioner s characteristics can be set depends on user s preference lt Figure 47 gt ENTER gt DOWN gt ENTER gt ALT HR lt UP gt lt DOWN gt T B then gt 1HHR EH but Completed LIN EQ lt Figure 47 Characterstics Adjustment There are 4 types of characteristics Linear LIN Equal Percentage EQ Quick Open QO and User Set USR Following diagram lt Figure 46 gt graphically shows each Quick open characteristic lt Fiqure 46 gt User Characteristics USER SET The charact2. Complete cl lt Figure 36 Adjusting Dead Zone 29 P Value P value indicates the ratio of the compensation signal based the percentage of error allowance As KP increases the positioner finds the target value quickly but it is more likely to have hunting occurred As KP decreases the positioner finds the target value rather slowly but it is less likely to occur hunting lt Figure 37 gt gt gt PRRRM lt EMTEF EMTEF UP gt lt DOWN gt Complet ed then lt gt Figure 37 Adjusting P Value gt I Value I value indicates the differential value which will be added to the compensation signal based on the percentage of error allowance As KI increases oscillation can be occurred more likely and as it decreases the duration to find target point gets longer Figure 38 EFITEF gt Esc Completed SC 3 times Figure 38 Adjusting I Value gt D Value KD D value indicates the differential value which will be added on the previous compensation signal based on the percentage of error allowance As KD increases hunting can be occurred more likely and as it decreases it can result in low dynamic characteristic Figure 39 ENTER lt ENT EF gt UP lt DOWN gt c Completed then lt ENTER Figure 39 Adjusting D Value gt 30 Calibration Mode CAL When user wants to confirm the calibration of
3. Included Minimum Current Signal Li ion 0 07 MPa Va NET 1 PT 1 8 T 8 Gauge Connection Conduit E ntry PF Ve Standard NPT 1f2 Option Ambient Temperature 30 80 5 FS DES Repeatability 0 3 F S Flow Capacity Air Consumption below 2 LEM sup 1 4k LCD Temp Condition storage 20 65 Operating T emp TU 7c Output Characteristic Linear Gluick Open User Set 16 Point Vibration Effect Ma Resonance up to 1 UHz at bi Communication Option HART Communication 4 20 DC 10 30 Feedback Signal Option Material Aluminum Diecastipa Weight 1 5 kg 3 3 Epoxy Polyester Powder Coating Tested under ambient temperature of 20 C absolute pressure of 760mmHg and humidity of 65 Parts and Assembly The structure of linear positioner is as shown lt Figure1 gt The only difference between LINEAR and ROTARY is the feedback lever Outer over Middle Cover Gear Shaft Flange Mut Figure 1 gt Dimensions zd 103 3 155 J k gt P IN The brackets for attaching on the actuators are made by using these drawings and they are also used for checking piping etc 10 Installation Safety Warning When installing a positioner please ensure to read and follow safety instruction e All i
4. 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 can be set Hand Calibration function can set Zero and Span values It has IP66 protection grade Air filter regulator can be attached with only one linear nipple lt does not require extra piping Epoxy polyester powder coating resists against the corrosion process Maintenance of the positioner is easy because of modularized inner structure Options L Linear I Motion type 5 Single acting E D Double acting 3 Explosion proof Ex ja TB TS 1 110 40 mm t Feedback lever 2 20 70 mm LINEAR 35 50 100 mm 4 100 150 mm 1 MB x 40L Feedback lever Eu pa DENT 3 MB x 401 4 MB x BaL 5 NAMUR Standard 1 HI 14 9 Connection type 2 NPT 1 4 3 G14 Communicatian E 2 HART communication l None cation Position transmitter Specification Model ROTARY LINEAR Input Signal 4 2 mA DC 3 2mA Standard
5. pressure to actuator can be adjusted To adjust use driver to control the orifice Figure 25 Ca Fully Opened Fully Closed SFigure 25 YWartahle Onfice Adpetment Adjustment Option Modules PCB PTM HART Position Transmitter HART Communication HART or option can be installed on standard YT 2300 series PCB Please refer to Figure 26 gt for each option s PCB HART PCE PCB HART Figure 26 PCE for Each Optione After purchasing PCB Option Adder Package please make sure that the box contains following components Locking bolts 4 pcs 2 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 Figure 27 When HART option PCB installed on the main PCB please make sure to REMOVE option jumper lt Figure 27 gt 24 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 PST 2 series has 4 buttons and enable to perfor
6. 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 Figure 40 ry UP lt DOWN gt EMER then EMTEFR End Point Acljustrre rit Complete Figure 40 PZ ZERO and PZ END Adjustment 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 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 41 and the procedure can be done as shown in Figure 42 lt Figure 41 Connection f lt DONN gt IP 6 N SERERE then lt ENTER gt gt DANN gt x EMT ER UP DOWMMN ind i Completed then lt gt MN End Point Adjustment lt Figure 42 TR ZERO and END Adjustment 31 End Point Ratio for Valve TRIM When RA actuator is used End Point can be adjusted within 10 of total stroke without adjusting valve s Zero Point Figure 43 gt gt gt lt
7. 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 31 gt ee eman mase m zFigure 31 2 tis recommended to calibrate the positioner under AUTO2 when setting the system initially 26 Auto 1 Calibration Auto 1 Calibration is mainly used when positioner 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 Figure 32 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 Push ENTER and AUTOT will be started 5 After several minute COMPLETE message will be appeared to indicate that AUTOT calibration LHTL R gt xz ENTER has been completed Figure 32 AUTO Calibretion Auto 2 Calibration 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 PST 2 is first installed on the valve system lt Figure 33 gt After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen Push lt ENTER gt button for 6 seconds at RUN mode and AUTO CAL message will be appeared Push ENTER an
8. 0V Positioner must be grounded Please use twisted cable with conductor section area 1 25 m 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 positioner the cable near the equipments such as high capacity transformer or motor which creates noise l l Il Figure Z1 Termina box 21 Connection Terminals 1 T W N 5 Open product cover by opening 4 M4 bolts Loose terminal locking bolts on the terminal plate which receives current input signal Insert cables through cable connector 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 15kfgcm torque Be sure the polarities of terminals are properly connected Figure 21 Termina box Connection Feedback Signal 1 T wW N 5 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 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
9. E TRIM 32 Normal Reverse Feedback Signal TR NORM REV 32 Valve Mode VALVE 32 Acting Adjustment ACT 32 Characteristics Adjustment CHAR 33 User Characteristics USER SET 33 Tight Shut Open TSHUT OP 34 Tight Shut Close TSHUT CL 34 oplit Range Control SPLIT 34 View Mode VIEW 35 Error and Warning Code 36 Error Code 36 Warning Code 36 Main Software Map 37 Introduction Each product is fully inspected after the production to offer you the highest quality In order to lully 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 in product s specification structure and or any components may not result immediate revised version of the manual Manufacturer Warranty For the safety it is imperative to follow instructions in the manual lt is 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 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 be
10. SMART POSITIONER PST 2 SERIES USERS MANUAL V 1 05 Table of Contents Contents Page No Introduction 4 Manufacturer Warranty 4 Product Description 5 Features and Functions 5 Options 6 Specification 7 Parts and Assembly 8 Dimensions 9 Installation 11 Safety Warning 11 Tools for Installation 11 Linear positioner installation 11 Rotary positioner installation 15 Bracket Information 16 Connection 19 Connection Piping 19 Piping Connection with Actuator 20 Single Acting Actuator 20 Double Acting Actuator 20 Connection Power 21 Connection Terminal 22 Connection Feedback Signal 22 Connection Ground 23 Adjustment 23 Adjustment Switch Auto Manual Switch 23 Adjustment Variable Orifice 24 Adjustment Option Module PCB PTM HART 24 Auto Calibration and Basic Operation 25 Button Description 25 Run Mode RUN 26 Auto Calibration AUTO CAL 26 Auto 1 Calibration 27 Auto 2 Calibration 27 Auto 3 Calibration 28 Manual Mode MANUAL 28 Parameter Mode PARAM 29 Dead Zone dEAZONE 29 P Value KP 30 I Value KI 30 D Value KD 30 Hand Calibration Mode HANd CAL 31 Zero Point PZ ZERO and End Point PZ END for Valves 31 Zero Point TR ZERO and End Point TR END for Transmitter 31 End Point Ratio for Valve P
11. Tighten bolts with 1 5Nm 15kfgcm torque Be sure the polarities of terminals are properly connected zFigure 22 Postion Transmitter Terminal 22 Connection Ground 1 Ground must be done before operating positioner 2 Inside of the terminal box locate ground terminal plate at the center of terminal plate lt Figure 23 Use any type of ground terminal with the resistance less than 100hm zFigure 23 Ground Terrinal 3 Make sure to use ring type ground cable in order to lock them completely Adjustment Adjustment A M Switch Auto Manual Switch On the bottom of the positioner body there is A M Switch Auto Manual If the switch is set as A Auto then the supply pressure will be transferred through positioner operation If the setting is M Manual then the pressure from the air filter regulator will directly supplied to the actuator regardless of positioner operation It is extremely important to check the pressure level when the switch is set as M Manual Figure 24 Check whether the supply pressure of air filter regulator is too high Q Turn the switch clockwise to set as A and turn counter clockwise to set as M Figure 24 Manual Figure 24 AM Swich Adjust ment 23 Adjustment Variable 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
12. ble Figure 2 Installing with bracket 3 Attach positioner with bracket to the actuator yoke DO NOT TIGHTEN COMPLETELY 4 Connect positioner feedback lever to the actuator clamp The gap on the positioner feedback lever is 6 5mm The connection bar thickness should be less than 6 8mm Figure 3 gt Figure gt 12 b Connect air filter regulator to the actuator temporarily Set supply pressure of the regulator order to position the actuator clamp at 50 of valve stroke Figure 4 gt Figure 4 zFigure Se 6 Insert connection bar into the positioner 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 positioned lt Figure 6 gt ili 284 ak allen ili MERCI Figure E 13 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 gt To adjust move the bracket or the connection bar stroke 30mm stroke Umm zFigure T Note After installing operate the valve from 0 to 100 stroke by using air filter regulator on the actuator Both at 0 and 100 the feedback leve
13. cket height Figure 14 hracket Fark Lever Actuator Figure 14 gt 6 Attach positioner to the bracket Fix the clamping pin on the main shaft s center of positioner 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 positioner and center of the actuator stem Bad alignment of the main shaft and the actuator stem lowers positioner s durability because too much force will be on the main shaft of positioner Figure 15 gt Fork Lever Clamping Pin Connection Bar Shaft zFigure 15 gt 18 7 Tighten positioner base and the bracket with hexagon headed bolts and plate washer It is recommended to tighten four bolts after checking positioner s position Figure 16 zFigure 16 gt Connection Connection Piping Note e To avoid entering moisture oil or dust into the product please carefully make selection of supply pressure compressor e itis recommended to attach air filter regulator before supply port of positioner Supply Pressure Condition D 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 any oil 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 ar 140 700 6 Set air filter regulator s supplied pressure 1096 higher than actuat
14. d AUTO1 mode will be displayed Push DOWN and AUTO2 mode will be displayed Push ENTER and AUTO2 will be started After several minute COMPLETE message will be appeared to indicate that AUTO2 calibration has been completed J 00 i HELM Py 6 seconels lt ENTER gt Complete cl Figure 33 AUTO Calibration 2 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 Figure 34 D After connecting power READY 6 5 4 3 2 1 message will be appeared on LCD screen 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 Push DOWN button twice and AUTO3 mode will be displayed 5 Push ENTER and AUTOS3 will be started After several minute COMPLETE message will be appeared to indicated that AUTO3 calibration has been completed Jud lt ch c lt ENTER gt ENTER gt lt DET gt ms Py 6 seconds FRITO HIN 2 times ENTER gt Som plete 1 Figure 34 AUTOS Calibration gt Manual Mode MANUAL MANUAL MODE is used to move valve stem manually During MANUAL MODE positioner moves valve stroke not by input signal The movement of the stroke does not affect positioner saved data values and it moves valve strokes up down physically Figure 35 J Uu
15. en 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 or incorrectly performed maintenance or report voids this Limited Warranty Product Description PST 2 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 ROTARY LINEAR Main Features and Functions 10 11 12 13 14 15 16 17 18 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
16. er is not parallel to the ground at 50 point valve does not operate when positioner recaves Full Open signal during Auto Calibration Operating angle is too small due to Improper mounting of positioner Error 1095 or above persists more than minute valve movement Friction of valve is too large Setting pressure of actuator changes Value reaches at maximum or minimum limit point Friction of valve changes Setting pressure of actuator changes Re install mount the positioner Mlake sure the feedback lever does not touch the stopper at both 0 and 100 Re install mount the positioner Make sure the feedback lever does not touch the stopper at both 0 and 100 Check if supply pressure is stable and appropriate Adjust bracket so the positioner can be mounted closer to actuator Perform BIAS Calibration Check setting pressure of actuator set the pressure as recommended Perform ALITO Calibration Check setting pressure of actuator and set the pressure as recommencer Warning code will be displayed when the positioner has a possibility of not operating Warning T Code Description and Cause Action Code Py Span Py Zero range is below 500 The angle of feedback lever is too small elapsed for either Full Open is less than 1 second size of actuator is too sm all bec 100 angle of feedback lever 15 too large ayer 34000 Me e ru angle cf feedback lev
17. er is too large Re install mount the positioner Make sure the feedback lever does not touch the stopper at both 0 and 100 After reinstallation perform ALITOT Calibration Use variable onfice Replace actuator with larger capacity Re install mount the positioner After reinstallation perform ALITOT Calibration Re install mount the positioner After reinstallation perform ALITOT Calibrati on Software se time R R EE El s 4 i E 88 3 hp E 3 8 E Full clo EL m z 9 jm z E E E 3 gt H e e e I s B BB B E 2 5 _ s Dead Zone gt Dessen Bur Mn gatten Lac atten Cac outtc CENT Frlcr allen 4 3 4 s 8 8 J BE 8 Manual 37 38
18. eristic curve can be made by selecting 16 points of the curve Figure 48 To utilize USER SET mode please enter CHAR mode and select USR mode Lr a ENTER gt lt DOW gt lt E seconck HL T HH times USER SET UP gt 3 A i AN EMTER lt ENTER SET lt ESC gt 3 tines lt UP gt lt DOWN gt then lt EMTEFR gt m ENTER gt Completed Figure 48 USER SET Adjustment 33 Tight Shut Open TSHUT TSHUT OP allows the valve to open completely when the input signal reaches around 20mA Figure 49 gt lt lt EXAM gt lt EMT EF gt 5 seconck HLT HH times lt UPS gt ESC gt Z times i 3 Ime then EMT ER xu then lt ENTER gt times Figure 49 SHUT OP Adpstment Tight Shut Close TSHUT CL TSHUT CL allows the valve to close completely when the input signal reaches around 4mA Figure 50 GAN gt 5 seconds RH 4 times lt UP gt z lt DAAN gt ENTER gt lt gt 5 times then ENTER gt then lt ENTER Figure 50 CL Adjustment Split Range Control SPLIT The valve can be controlled by three input signal 4 20mA 4 12mA or 12 20 Figure 51 gt x ENTER GOWN gt lt EMT EF amp seconck ALT RH 5 times lt lt DX INVI gt ch EX gt times g
19. gt a EMTEF EMT EF RLB Py 6 seconels Completed Figure 35 MANUAL MODE Tip when increasing decreasing value UP only Increase stem value slowly lt UP gt lt gt Increase stem value quickly DOWN only Decrease stem value slowly DOWN ENTER Decrease stem value quickly Parameter Mode 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 has not been optimized When this occurs hunting or oscillation can be prevented by adjusting parameter values and or DeadZone 4 Types of Parameter and Adjustment D Dead Zone dEAdZONE P value KP 3 I value 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 ENTER button must be pressed Dead Zone dEAdZONE Dead Zone indicates the percentage of error allowance When there is high level of packing friction hunting or oscillation can be occurred In this case by adjusting Dead Zone hunting or oscillation can be prevented Figure 36 ry ENTER gt lt DOWN gt ENTER gt amp seconds RITO 2 times gt i ESC gt 2 times ch ER ENTER then ENTER
20. ked with H 30 hole and B L in H2030 with 30 and B R with 20 30 marking 16 2 3 Attach bracketed positioner to the actuator by using hexagon 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 positioner will not be affected 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 Figure 12 Direction amp Figure 127 Set rotation position of the actuator stem at zero point 096 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 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 counterclockwise clockwise SFigure gt 17 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 11mm which is lower than upper bra
21. m various functions Please refer to lt Figure 28 gt and table for further description Figure 227 Enter to main menu and sub menus save adjusted parameter values etc to previous menu Move to next menu change parameter values etc SDOWIN 25 mode RUN After the power connection to PST 2 series following message will appear on LCD screen within 6 seconds Figure 29 gt F 1 lt Process value PM Run mode c Fl IM p Figure 29 LCD Messege RUN indicates that PST 2 adjusts valve stroke with receiving signals 4 20 and 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 30 acess Value Valve Stroke 5 Run Sy Set value Input Signal 0 100965 Run sy mA Set Value Input Signal 20m Motor Manipulate Value Digit Current Valve Stem s Velocity Difference between Sy anel 29 zFigure 30 Type d display mezesage Manipulate Value Velocity To change display push lt ESC gt and lt UP gt at same time The display will change in order indicated above If lt ESC gt and lt DOWN gt 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 positioner in
22. nput 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 Hexagonal wrench 2 Screw drivers amp 3 Spanners for hexagonal head bolts Linear positioner Installation Should be installed on linear motion valve such as globe valve or gate valve using spring return type of diaphragm or piston actuator Before installation be sure to check for following installation components Main body 2 Feedback lever and lever spring 3 Flange nut bottom side of positioner 4 4 pcs of hexagon head bolts M8 x 1 25P 5 4 pcs of M8 plate washer Installation Steps install ation example 1 Proper bracket must be made in order to attach positioner on the actuator yoke Please consider following when making a bracket D Feedback lever should be leveled at 50 of valve stroke Refer to Step 7 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 9 2 Attach the positioner 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 availa
23. or s spring range pressure Pipe Connection D Make sure inside of pipe is emptied 2 Do not use pipeline that 15 squeezed or has hole 3 To maintain flow rate use the pipeline that has more than 6mm inner diameter 10mm outer diameter Do not use extremely long pipeline system It may affect flow rate due to the friction inside of the pipeline 19 Piping Connection with Actuator Single acting actuator PST 2 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 zFigae 17 VT 2300L Figure 18 vT Z300R 7 Double acting actuator For PST 2 series double acting type when inputting current signal supply pressure is out from OUT1 Please refer to Figure 19 amp 20 gt Figure 19 LINEAR Figure 20 ROTARY 20 Connection Power Note e e Before connecting terminal please make sure that power is off completely Use ring type terminal to protect against oscillation or other impacts PST 2 series except internal PTM type must use DC 4 20mA Minimum supply current should be 3 2mA for standard positioner and minimum 3 8mA should be supplied for positioner with HART communication The power should not exceed 24mA For PST 2 series with PTM option separate power should be supplied to PTM The voltage should be between 9 27V and not exceeding 3
24. r should not touch the lever stopper which is located on the backside of positioner Figure 8 If the feedback lever touches the lever stopper the positioner should be installed further away from the center of the yoke Figure 9 After the proper installation tighten all of the bolts on the bracket the feedback lever and the connection bar 14 Rotary positioner Installation 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 Main body Fork lever and lever spring 3 1 set of bracket 4 4 pcs of hexagon head bolts M8 x 1 25 5 4 pcs of M8 plate washer Installation Example Fork Lever MAMUR Lever 15 Bracket Information Positioner can be 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 Upper bracket Bottom bracket E Actuator Figure 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 20 Actuator Stem Actuator lt Figure 10 gt Actuator stem Markings of bolt holes height H zFigure 11 gt example when is 30mm AL should be loc
25. t then ENTER 2 Ea then lt gt times Fiqure 51 SPLIT Adjustment gt 34 View Mode VIEW In this mode user can set the positioner to display different information such as stroke value in percentage or in actual values Figure 52 AUTO LRL VIEW VERSION POL Adde Ov Od FULL OP FULL_CL VM NOR VALUE I UP DOWN n confit the times VIEW pOT PHL J engge ESC gt Completedl Description Man software version HART Protocol version Channel address that 15 used in HART Protocol ELAS value for motor control Can be adjusted only by manufacturer Total used time duration If unit was used less than 1 minute the time does not accumulate elapsed for valve to fully open elapsed for valve to fully close Display type of valve stroke on LED either in percentage or value Display error code or warning message Figure 53 gt Current I alue Can be adjusted only by manufacturer Display absolute resistance value Figure 52 VIEW Adjustment and Description Table 35 Error and Warning Code PST 2 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 MT ERR L MT ERR H RNG ERR Warning Code Positioner is improperly installed Positioner lever is not parallel to the ground at 50 point Positioner is improperly installed Positioner lev
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