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SMART POSITIONER

   

YT-2700 SERIES

   

USER'S MANUAL

   

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 

YTC                                                                                                                    V.1.03 

Summary of Contents for YT-2700 Series

Page 1: ...1 SMART POSITIONER YT 2700 SERIES USER S MANUAL YTC V 1 03 ...

Page 2: ...onnection Piping 14 Piping Connection with Actuator 15 Connection Power 15 Connection Feedback Signal 16 Connection Ground 16 Adjustment 16 Variable Orifice 16 Manual Button EXH SUP 16 Option Modules PCB 17 Auto Calibration and Basic Operation 17 Button Description 17 Run Mode RUN 18 Auto Calibration AUTO CAL 18 Auto 1 Calibration 19 Auto 2 Calibration 19 Auto HF Calibration 20 Manual Mode Manual ...

Page 3: ...ERO and End Point TR_END 23 End Point Ration for Valve PE_TRIM 24 Normal Reverse Feedback Signal TR_NORM REV 24 Valve Mode VALVE 25 Acting Adjustment ACT 25 Characteristics Adjustment CHAR 25 User Characteristics USER SET 26 Tight Shut Open TSHUT OP 26 Tight Shut Close TSHUT CL 26 Split Range Control SPLIT 27 View Mode VIEW 27 Error and Warning Code 28 Main Software Map 29 ...

Page 4: ...r 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 eighteen 18 months except as otherwise stated Manufacturer warranty will not cover the products that the product have be...

Page 5: ... to lower operating cost The positioner is compatible with most of controllers 7 Variable orifice can minimize the hunting occurrence and optimize operating condition 8 Various sets of information can be interchanged by HART communication protocol between a valve and a positioner 9 Valve system becomes more stable by outputting analog feedback signal 10 Various characteristics of valve can be adju...

Page 6: ...signal range Ambient Temperature Indicates ambient temperature for normal operation Supply Pressure Indicates the range of supply pressure Ui Ii Pi Ci Li See certificates for parameter values of intrinsically safe Serial Number Indicates unique serial number T5 T6 34 Suffix Symbol YT 2700 series follows suffix symbols as follows Specification ...

Page 7: ... 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 0 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 Communication Option HART Communication Feedback Signal Option 4 20mA DC 10 30V Material Aluminum Diecasting Weight 1 5 kg 3 3 lb Pa...

Page 8: ...nd Assembly The structure of YT 2700L is as shown Figure1 The only difference between YT 2500L and YT 2700R is the feedback lever PCB Cover Feedback Lever Cover Cover Sealing Pilot Relay Body PCB Cover Main PCB ...

Page 9: ...9 Dimensions ...

Page 10: ...tallation be sure to check for following installation components 1 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 Feedback lever connection bar of actuator clamp should be installed at the positioner that the valve stroke and numbers which indic...

Page 11: ...tion bar into the YT 2700L feedback lever The connection bar should be inserted at the 50 point on the feedback lever which would help to reduce hysteresis 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 figure5 8 Check valve stroke The stroke numbers are indicated on the feedback...

Page 12: ... lever and the connection bar YT 2700R Installation YT 2700R 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 2700R main body Fork lever and lever spring 1 set of bracket 4 pcs of hexagon head bolts M8 x ...

Page 13: ...ockwise by supplying pressure 3 Install the fork lever as shown below 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 4 After setting fork lever position assemble lock nuts which are located on the bottom of ...

Page 14: ...at least 10 lower than ambient temperature Avoid from dusty air Filter can only sort 5 micron or larger 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 140 700 kPA Set air filter regulator s supplied pressure 10 higher than actuator s spring range pressure Pipe Connection Make sure inside of pipe is emptied Do not use pipeline ...

Page 15: ...s with PTM option separate power should be supplied to PTM The voltage should be between 9 27V and not exceeding 30V YT 2700 must be grounded 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 ...

Page 16: ... 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 Adjustment Manual Button EXH SUP By pressing SUP and EXH button YT 2700 series can be manually operated without any input signal ...

Page 17: ...in PCB on the main body After installing PTM option board please adjust TR_ZERO and TR_END from HAND CAL mode in order to get accurate output values 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 Run M...

Page 18: ...er By pressing ESC the display will return to RUN Mode Auto Calibration AUTO CAL Auto Calibration Auto Cal automatically calibrates YT 2300 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 It is recommended to calibrate the positioner under AUTO2 when setting the system initiall...

Page 19: ... sets all of the parameter which needs to be calibrated in order for valve system to operate Auto 2 Calibration is recommended when YT 2700 is first installed on the valve system 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 Push ENTER and AUTO1 mode will be displayed Push DOWN and A...

Page 20: ...ion valve environment Manual Mode MANUAL MANUAL MODE is used to move valve stem manually During MANUAL MODE YT 2700 moves valve strokes not by input signal The movement of the stroke does not affect YT 2700 saved data values and it just moves valve strokes up down physically Parameter Mode PARAM ...

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