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10.

10.5

5 M

enu

enu Configuration

Configuration

10.

10.5

5.1 Present Variable Display Mode ( PV )

.1 Present Variable Display Mode ( PV )

* PV that is being measured currently can be displayed in various units.

- %

: Percentage value of SPAN ( URV-LRV )

- USER UNIT

: Ratio value of USER UNIT

Ꮄ

: Analog Output ( 4 ~ 20

Ꮄ

)

ໄ

: LRL in

ໄ

- inch

: LRL in inch

10.

10.5

5.2 LRV Calibration Mode ( 0%

.2 LRV Calibration Mode ( 0%

.2 LRV Calibration Mode ( 0% Zero Percentage )

Zero Percentage )

- M

enu

enu 01

01 : LRV Auto Calibration

: LRV Auto Calibration

· Fill the medium to a tank until the level corresponds to the LRV.

· Save the calibration values by pressing the Enter key.

· The level of the actual medium is saved as LRV.

- Menu

Menu 01

01-

-S

S : LRV Manual Calibration

: LRV Manual Calibration

· Go to Manual State by pressing the Down Key.

· Input the length (

ໄ

) from LRL to LRV using the Up / Down Keys.

· Save the calibration setting by pressing the Enter Key.

Содержание SDT-420

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Страница 2: ...NTENTS Chapter Contents Page 1 Before installing 2 2 Introduction 4 3 Features 4 4 Principles of operation 5 5 Specifications 9 6 Name Plate 11 7 Installation 12 8 Displacer 16 9 Wiring 17 10 Configur...

Страница 3: ...r benzene and use a neutral detergent WARNING WARNING WARNING WARNING 1 Where there are any concerns that a small trouble or an abnormal operation can cause any serious accidents an appropriate safety...

Страница 4: ...h have their own lifetimes whereas some parts are degraded with the passage of time 19 We offer a two year guarantee for this instrument including its components if it is properly used 20 Do not move...

Страница 5: ...ucceeded in launching this model to the market Our Displacement Type Level Transmitter can assure the reliable operation even under the harsh circumstance like 200 f and 450 This Displacement Type Lev...

Страница 6: ...on peration peration peration 4 1 4 1 4 1 4 1 Overvie Overvie Overvie Overview Explosion Proof Type w Explosion Proof Type w Explosion Proof Type w Explosion Proof Type 4 2 4 2 4 2 4 2 Torsion Bar Tor...

Страница 7: ...4 4 4 4 3 3 3 3 Overview Intrinsically Safety Type Overview Intrinsically Safety Type Overview Intrinsically Safety Type Overview Intrinsically Safety Type LJ...

Страница 8: ...14 THRU CAPACITOR 3 MASK 15 BASE PCB SUPPORT 4 RETAINING RING 16 DISPLAY BRACKET 5 GLASS WINDOW 17 CYLINDER HEAD SCREW M3 6 STOP RING 18 CONNECTOR 7 O RING 19 MAIN BOARD PCB 8 DISPLAY COVER 20 MAIN P...

Страница 9: ...s equal to the fluid displaced the submerged displacer of which the shape is cylinder is used for measuring the level and the density of a fluid and the interface levels between two different liquids...

Страница 10: ...rmance Specifications 5 3 Performance Specifications 5 3 Performance Specifications Reference Accuracy 0 5 F S Operation Condition Effects Ambient Temperature 10 60 Zero 0 1 10K Span 0 07 10K 0 1 Max...

Страница 11: ...ER RAMETER Ui 28V Ii 93mA Li 0 051mH Ci 12 4nF Ui 28V Ii 93mA Li 0 051mH Ci 12 4nF Ui 28V Ii 93mA Li 0 051mH Ci 12 4nF Ui 28V Ii 93mA Li 0 051mH Ci 12 4nF Marking Marking Marking Marking ATEX ATEX ATE...

Страница 12: ...er is attached on The Displayer which includes Model No Input Power Output signal the date of manufacture and Tag No The others are hung on The Adjusting Housing Connector which includes power output...

Страница 13: ...ing the maximum allowable surrounding temperature Adjust Housing 85 Displayer 70 all parts that have radiant heat such as Water Assembly Chamber Drum and Vessel should be insulated so that the radiant...

Страница 14: ...level data In that case the below explained method can be considered to suppress the density specific gravity error within 20 As shown in the picture above Fig 8 expose the upper branch of the steam...

Страница 15: ...Step 2 To To To To A A A Assembl ssembl ssembl ssemble the e the e the e the D D D Displacer isplacer isplacer isplacer Refer to Refer to Refer to Refer to Fig Fig Fig Fig 10 10 10 10 Put the displac...

Страница 16: ...t use a tool Remove the nut fitted to the position bracket and tighten the stud bolts so that the connection flange and the blind flange would be assembled The number of stud bolts depends on the flan...

Страница 17: ...er Length Vol Weight PN Vol Weight PN L N bar N bar 350 60 3 1000 19 1 94 100 42 4 500 18 1 84 250 500 48 3 920 17 1 73 100 42 4 710 24 2 45 250 750 42 4 1060 21 2 14 100 33 7 670 21 2 14 250 1000 33...

Страница 18: ...Core Shield Wire should be used for the signal line In case of installation into an explosive area an Explosion Proof Cable Gland not supplied must be used instead of the Standard Cable Gland For the...

Страница 19: ...one between the connection flange and the torsion bar guard The displayer is designed to protect itself against reverse polarity Using a Twisted Pair Cable 22AWG min is recommended to maintain the bes...

Страница 20: ...f the analog signal is restricted by the loads of current loop the cables and instrument connected To obtain the 4 20 output signal the lowest supply voltage should be determined as a function related...

Страница 21: ...from the voltages using a recorder the measurement can be performed by connec ting A and B or B and C 9 9 9 9 3 2 3 2 3 2 3 2 To To To To C C C Connect onnect onnect onnect P P P Plural lural lural l...

Страница 22: ...d operate SDT 420 properly the calibration should be performed with appropriate variables according to the installed environment Some of these variables should be checked and inputted by a user at the...

Страница 23: ...being measured USL U U U Upper S S S Sensor L L L Limit Maximum measurable value of sensor LSL L L L Lower S S S Sensor L L L Limit Minimum measurable value of sensor Calibration Range Measuring rang...

Страница 24: ...utput Output 10 10 10 10 3 3 3 3 L L L Local ocal ocal ocal C C C Configuration onfiguration onfiguration onfiguration Open the displayer cover by twisting it then you can access to the Mask For the d...

Страница 25: ...rmation on the upper part of the boxes below shows the current menu which is displayed on the Menu section and the current mode or menu can be switched by pushing the button shown left or below the bo...

Страница 26: ...ation Mode 0 2 LRV Calibration Mode 0 2 LRV Calibration Mode 0 Zero Percentage Zero Percentage Zero Percentage Zero Percentage M M M Menu enu enu enu 01 01 01 01 LRV Auto Calibration LRV Auto Calibrat...

Страница 27: ...anual Calibration State Go to the Manual state by the Down Key Set the length between LRL and URV in millimeter using Up and Down Keys Save the calibration values by pressing the Enter Key 10 10 10 10...

Страница 28: ...vel Adjust the length shown on the LCD using the Up Down Keys so that it becomes the same as the actual length Save the setting by pressing the Enter Key 10 10 10 10 5 5 5 5 6 Damping Setting Mode 6 D...

Страница 29: ...Up and Down Keys and then save the changes by pressing the Enter key 10 10 10 10 5 5 5 5 8 Density 8 Density 8 Density 8 Density of of of of the the the the Upper Fluid Upper Fluid Upper Fluid Upper...

Страница 30: ...Up and Down Keys Save the setting by pressing the Enter key Density of the Lower Fluid 600 1500 Trim Ready Mode 10 10 10 10 5 5 5 5 10 4 10 4 10 4 10 4 Trim Mode Trim Mode Trim Mode Trim Mode Menu Men...

Страница 31: ...using the Down key Set the current output to be exactly 20 using the Up and Down Keys Save the trimming value by pressing the Enter Key 10 10 10 10 5 5 5 5 12 12 12 12 U U U User ser ser ser U U U Uni...

Страница 32: ...Value Setting Mode 100 User Unit Value Setting Mode 100 User Unit Value Setting Mode Menu Menu Menu Menu 13 100 User Unit Value Setting Mode 13 100 User Unit Value Setting Mode 13 100 User Unit Value...

Страница 33: ...th ength ength ength Calibration Mode Calibration Mode Calibration Mode Calibration Mode in this manual The setting procedures must be finalized with the Enter Key to save the changes Ex 1 If the actu...

Страница 34: ...e value is set to 0 and if not change it to 0 5 This mean the instrument output 4mA when the level is 0mm If the value would be set to 10 at Menu 01 the instrument will output 4mA when the level is 10...

Страница 35: ...n 3 8 Check the PV reading Check if the applied PV is in the measuring range Check if the applied PV is in the nominal sensor range Check the displacer placement The signal output doesn t change at al...

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