Ytc YT-2500 SERIES Product Manual Download Page 47

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Smart Positioner

YT-2500 / 2550 / 2501 Series

Product manual

Ver. 1.04

8.8.6

Split Range Mode (SPLIT)

The valve can be operated in full stroke by split range control of input signal as 4~12mA or

12~20mA.

<ENTER>



<ENTER>



<ENTER>



Press <UP> or

<DOWN> button

if the above is not

displayed.

4~20mA Control

<ESC>
3 times



4~12mA Control

Summary of Contents for YT-2500 SERIES

Page 1: ...SMART POSITIONER PRODUCT MANUAL YT 2500 2550 2501 SERIES VERSION 1 04...

Page 2: ...on 11 2 5 2 YT 2501 Specification 12 2 6 Certifications 13 2 7 Parts and Assembly 14 2 8 Product Dimension 16 2 8 1 YT 2500 16 2 8 2 YT 2550 17 2 8 3 YT 2501 17 3 Installation 18 3 1 Safety 18 3 2 Too...

Page 3: ...dEAdZONE 38 8 6 2 P1 Value KP1 39 8 6 3 D1 Value Kd1 39 8 6 4 P2 KP2 and D2 Kd2 values 39 8 6 5 P_ KP_ and D_ Kd_ Values 39 8 6 6 PT1 PT1 and PT2 PT2 Values 40 8 6 7 Period T PERIOD T 40 8 6 8 Auto D...

Page 4: ...Smart Positioner YT 2500 2550 2501 Series Product manual Ver 1 04 4 8 9 View Mode VIEW 48 9 Error and Warning Code 50 9 1 Error code 50 9 2 Warning code 51 10 Main Software Map 52...

Page 5: ...anufacturer Warranty For the safety it is important to follow the instructions in the manual Manufacturer will not be responsible for any damages caused by user s negligence Any modifications or repai...

Page 6: ...present at the installation site Positioner has 2 ports for power connection Explosion proof type wires and packing should be used Blind plug is required when any port is not being used Cable rug wit...

Page 7: ...nd positioner The method of Auto Calibration is very simple As an advantage of having very low air consumption It could greatly reduce operating costs in large scale plants It is compatible with most...

Page 8: ...Indicates the model number and any options of the positioner Explosion Proof Indicates certified explosion proof grade Input Signal Indicates input signal range Operating Temp Indicates the allowable...

Page 9: ...M8 x 34L M8 x 63L Namur Standard 5 Conduit Air Connection Type 1 2 3 4 5 G1 2 PT 1 4 G1 2 NPT 1 4 YT 2550 is available for No 2 ONLY G1 2 G 1 4 M20 NPT 1 4 NPT1 2 NPT 1 4 6 Communication 0 2 3 None H...

Page 10: ...40 mm 20 70 mm 50 100 mm 100 150 mm Rotary 5 Namur Standard 5 Conduit Air Connection Type 1 2 3 4 5 G1 2 PT 1 4 G1 2 NPT 1 4 G1 2 G 1 4 M20 NPT 1 4 NPT1 2 NPT 1 4 6 Communication 0 2 3 None HART Comm...

Page 11: ...T100 T85 Db Operating Temperature 30 80 22 176 Ambient Temperature Of Explosion proof T5 40 60 40 140 T6 40 40 40 104 Linearity 0 5 F S Hysteresis 0 5 F S Sensitivity 0 2 F S Repeatability 0 3 F S Flo...

Page 12: ...120 40 248 Body 30 80 22 176 Ambient Temperature Of Explosion proof T5 40 60 40 140 T6 40 40 40 104 Linearity 0 5 F S Hysteresis 0 5 F S Sensitivity 0 2 F S Repeatability 0 3 F S Flow Capacity Fail F...

Page 13: ...0337X YT 2550 LS Non contact 11 KB2BO 0164X YT 2501 Ambient temperature 40 60 T5 T100 40 40 T6 T85 ATEX Type Intrinsic safety Rating II 2G Ex ia IIC T5 T6 Gb II 2D Ex ia IIIC T100 T85 Db IP6X Certific...

Page 14: ...eries Product manual Ver 1 04 14 2 7 Parts and Assembly Fig 2 7 YT 2500 2550 series exploded view 1 Base Cover 6 Potentiometer 2 Option PCB 7 Main shaft 3 Main PCB 8 Base body 4 Pressure Gauge 9 Feedb...

Page 15: ...edback sensor 11 PCB of Positioner 3 Main shaft of Feedback sensor 12 Pilot of Positioner 4 Potentiometer of Feedback sensor 13 Body base of Positioner 5 Base body of Feedback sensor 6 Lever of Feedba...

Page 16: ...ositioner YT 2500 2550 2501 Series Product manual Ver 1 04 16 2 8 Product Dimension 2 8 1 YT 2500 Fig 2 9 YT 2500L Fig 2 10 YT 2500R Fork Lever Type Fig 2 11 YT 2500R Namur Type Fig 2 12 YT 2500R L S...

Page 17: ...oner YT 2500 2550 2501 Series Product manual Ver 1 04 17 2 8 2 YT 2550 Fig 2 13 YT 2550L Fig 2 14 YT 2550R 2 8 3 YT 2501 Fig 2 16 Rotary Feedback Sensor Fig 2 15 Linear Feedback Sensor Fig 2 17 YT 250...

Page 18: ...vers Spanners for hex head bolts 3 3 Linear positioner Installation Linear positioner should be installed on linear motion valves such as globe or gate type which uses spring return type diaphragm or...

Page 19: ...k lever Improper setting may cause poor linearity 3 3 2 Linear positioner Installation Steps 1 Assemble the positioner with the bracket made in previous step by fastening the bolts The bolt size is M8...

Page 20: ...the feedback lever and lever spring The connection bar must be located upward from the spring lever as shown below left figure If it is located downward from the spring lever as shown below right fig...

Page 21: ...poor linearity Fig 3 7 Feedback lever and valve stem 7 Check the valve stroke The stroke numbers are engraved on the feedback lever of the positioner Position the connection bar at the number on the...

Page 22: ...0 the feedback lever should not touch the lever stopper which is located on the backside of the positioner If the feedback lever touches the stopper the positioner should be installed further away fro...

Page 23: ...lever type Standard rotary bracket set 2 piece 4 pcs x hexagonal headed bolts M8 x 1 25P 4 pcs x M8 plate washers 4 pcs x wrench headed bolts M6 x 1P x 15L 4 pcs x M6 nuts 4 pcs x M6 spring washers B...

Page 24: ...fit onto the actuator with 20mm 30mm and 50mm stem height H according to VDI VDE 3845 standard Please refer to below table how to adjust the height of the bracket Actuator stem height H Markings of b...

Page 25: ...check actuator stem s rotation direction clockwise or counter clockwise by supplying pressure to the actuator 4 Only Fork lever type of YT 2500 2550 Install the fork lever after setting actuator s st...

Page 26: ...k lever The clamping pin will be locked to the fork lever spring Setting alignment of center of main shaft of the positioner and center of the actuator s stem is very important Poor alignment of the m...

Page 27: ...wer than ambient temperature Avoid from dusty air Use 5 micron or smaller filter Avoid oil Comply with ISO 8573 1 or ISA 7 0 01 Supply pressure range is 0 14 0 7 MPa 1 4 7 bar Set air filter regulator...

Page 28: ...ioner is set to use only OUT1 port OUT1 port of positioner should be connected with supply port of actuator when using spring return actuator of single acting type Fig 4 1 Single acting linear actuato...

Page 29: ...ositioner is set to use OUT1 and OUT2 port As input signal increases the supply pressure will be supplied through OUT1 port Fig 4 5 Double acting linear actuator YT 2500 2550 Fig 4 6 Double acting rot...

Page 30: ...lied with 9 28V DC separately For L S option separate 12 24V DC must be supplied For both options it should not exceed 30V DC Positioner should be grounded Please use twisted cable with conductor sect...

Page 31: ...550 Fig 5 3 Proximity Sensor Switch Terminal Only YT 2500 2550 5 3 Ground 1 Ground must be done before operating the positioner 2 Open base cover and there is an internal ground F G on the left hand A...

Page 32: ...s Product manual Ver 1 04 32 6 Adjustments 6 1 Limit Switch Adjustment YT 2500 2550 can have limit switch option If user wants to adjust the sensing position please loosen bolts and adjust cam Fig 6 1...

Page 33: ...small In order to prevent hunting orifice can be adjusted By adjusting the orifice the flow rate of the supply pressure to actuator can be adjusted Please use driver to adjust the orifice When slot of...

Page 34: ...base cover PCB cover Separate the Main PCB from base body 2 Mount 2ea of sub PCB support on Main PCB with 2ea of bolt 3 Insert connector of sub PCB into connector of main PCB correctly 4 Fasten sub PC...

Page 35: ...ny Auto Calibration please separate valve from the entire system by using bypass valve so Auto Calibration will not affect entire valve process 8 2 Button Description Positioner has 4 buttons and they...

Page 36: ...rs The display will change in the order indicated above If ESC UP pushed the order will be appeared in opposite order By pressing ESC the display will return to RUN PV mode Please note that the screen...

Page 37: ...the above is not displayed Press UP or DOWN button if the above is not displayed A few seconds later 8 4 2 AUTO2 Calibration AUTO2 AUTO2 changes all of the parameters It is recommended to perform AUTO...

Page 38: ...hen the valve actuator control values are not optimized Hunting or oscillation can be prevented by adjusting parameter values Once parameter values have been changed the changed values are being affec...

Page 39: ...lue Kd1 D value indicates the derivative value of the compensation signal based on the percentage of error allowance As the value increase it is more likely to have hunting As the value decreases it c...

Page 40: ...positioner s internal control time interval As default positioner will check current position respective to current input signal in every 100 msec 8 6 8 Auto DZ AUTO dZ After the auto calibration the...

Page 41: ...oint PV_ZERO and End Point PV_END for Valves 2 Zero Point TR_ZERO and End Point TR_END for Transmitter 3 End Point Ratio for Valve PE TRIM 4 Normal Reverse Feedback Signal TR NORM REVS 5 Normal Revers...

Page 42: ...nt of the transmitter 20mA feedback This is used when output signal becomes unstable and requires re adjustment or when feedback output signal and actual stroke need to be used differently Fig 8 3 Set...

Page 43: ...on if the above is not displayed ESC 3 times 8 7 4 Normal Reverse Feedback Signal TR NORM REVS The feedback signal from the positioner can be changed to normal or reverse ENTER ENTER DOWN Press UP or...

Page 44: ...User Characteristics USER SET 4 Tight Shut Open TSHUT OP 5 Tight Shut Close TSHUT CL 6 Split Range Mode SPLIT 8 8 1 Acting Adjustment ACT RA dA RA DA are automatically set by performing AUTO 2 from Au...

Page 45: ...if the above is not displayed ESC 3 times 8 8 3 User defining flow Characteristics USER SET In case positioner requires a specific flow characteristic the valve characteristic curve can be made by sel...

Page 46: ...ep it from any leakage ENTER ENTER UP DOWN ENTER Press UP or DOWN button if the above is not displayed ESC 3 times 8 8 5 Tight Shut Close TSHUT CL Tight shut close shows the current value in percentag...

Page 47: ...1 04 47 8 8 6 Split Range Mode SPLIT The valve can be operated in full stroke by split range control of input signal as 4 12mA or 12 20mA ENTER ENTER UP DOWN ENTER Press UP or DOWN button if the abov...

Page 48: ...Series Product manual Ver 1 04 48 8 9 View Mode VIEW Displays various information of the positioner ENTER 3 seconds ENTER DOWN Press UP or DOWN button if the above is not displayed DOWN DOWN DOWN DOW...

Page 49: ...ed less than 1 minute the time will not accumulate 1 st row 4 18 means 4hours and 18minutes 2 nd row 0Y years 0d days 3 12 FULL_OP Time required seconds to fully open the current valve from the closed...

Page 50: ...e of the feedback lever s angle Linear 30 deg Rotary 90 deg MT ERR H Indicates that due to wrong positioning and installation of the positioner there is a chance that the feedback lever and the positi...

Page 51: ...ner can be controlled but there is a possibility of malfunctioning or degree of precision has dropped Warning Code Code Description and Cause Action B PV Span PV Zero range is below 500 Feedback lever...

Page 52: ...Smart Positioner YT 2500 2550 2501 Series Product manual Ver 1 04 52 10 Main Software Map...

Page 53: ...anufacturer Young Tech Co Ltd 81 Hwanggeum ro 89 Beon gil Yangchon eup Gimpo si Gyeonggi do South Korea 10048 Tel 82 31 986 8545 Fax 82 31 986 2683 Email ytc ytc co kr Homepage http www ytc co kr Issu...

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