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Oval EX DELTA II, Инструкция по эксплуатации

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D-583-2N-E

34

11.5 Preamplifier Block Diagrams

L

C

D

CPU

Display board

TP+

DI

V

1/10 1/1

1/100

PO

W

ER

TP

-

Amplifier board 

A

Amplifier board 

B

Interface board

Amplifier unit

Chg. amp

SEL

VTX

TRG

AMP

TL

V

4

5

6

4

5

6

Preamp board

Separately mounted 

MODE

FRQ

MEM

PLS

Pulse shap

e

Pulse shape

RESET

SW

1

1 2 3 4

3.0Vp-p

3.0Vp-p

0.1Vp-p min.

3

2

1

3V

25A

〜

15A,10A

Com- pare

Amp

1/2 Divide

1/2

Mode select switch

1

2

Battery unit

4

5

6

1

2

3

Piezoelectric sensor

Piezoelectric

sensor

1/10

n

vid

e

Digital filter

Lo

w

cutof

f

Memory

1.5V

IN

OUT

G

NF

2

NF

1

Gland total reset

Write protect

Ch

arg

e

am

plif

ier

Содержание EX DELTA II

Страница 1: ...In order to maintain its design performance throughout its life this manual offers the operator the necessary installation operation and maintenance information Be well familiar with these instructio...

Страница 2: ...vention of Excessive Flowrate 12 5 7 Prevention of Slug Flow 12 5 8 Keep the Pipe Filled with Process Fluid 12 5 9 Bypass Line 12 6 INSTALLATION 13 6 1 Installation Location 13 6 2 Physical Orientatio...

Страница 3: ...Procedure to modify a parameter 26 10 2 Procedure to Enter a Parameter 26 10 3 List of Parameters That Can Be Reconfigured 28 Table 10 2 Menu Trees and Switch Operation 29 11 MAINTENANCE 30 11 1 Disas...

Страница 4: ...can best be stored in the shipping container used for transit from the factory 2 The place of storage should meet the following requirements Free from rain and water Free from vibration and impact sho...

Страница 5: ...is good for 7 years on a 24 hour continuous operation with integrally mounted preamplifier or 4 years with separately mounted preamplifier 6 Can monitor total flow accumulated total resettable total...

Страница 6: ...D 583 2N E Flow Direction Probe Ass y Display Mode Select Switch 8 digit LCD Totalizer Preamplifier Adapter Sensor vortex pickup Meter Body probe Fig 4 1 Component Names Fixed Type...

Страница 7: ...D 583 2N E Fig 4 2 Part Names Hottap Type METER BODY PROBE SENSOR VORTEX PICKUP MOUNTING NOZZLE FLOW DIRECTION HOLD DOWN DISC VENT VALVE HANDWHEEL ADAPTER GATE VALVE PREAMP...

Страница 8: ...w reading to zero NOTE The reading is resettable only when a resettable total flow appears 4 2 2 Operation with Mode and Reset Switch Internal to Preamplifier MODE The display scrolls each time this s...

Страница 9: ...he internal battery pack is good for about seven years in continuous operation 4 years for preamplifier separated type As the battery runs out to nearly its life a low battery indicator begins to blin...

Страница 10: ...pe section alone secure the length of a straight pipe conforming to the ISO standards given in Table 5 1 below 1 OVAL flow straightener combined with downstream pipe 25mm and up in nom dia D Nom Dia N...

Страница 11: ...ect meter performance Minimize pulsating pressures by referring to the following formula N 0 72 V2 mmH2O where N Pulsation pressure mmH2O Density kg m3 V Minimum velocity m s If pulsation pressure is...

Страница 12: ...he fluid velocity will easily reach the sonic speed momentarily well in excess of meter s maximum rating Such phenomenon is often experienced at system startup or in batch operation 5 7 Prevention of...

Страница 13: ...er such physical orientation as Fig 6 1 Installed upside down Fig 6 2 Cable entry pointed upward 2 Rainwater may enter from cable entry if installed outdoors 1 Inconvenient for inspection and maintena...

Страница 14: ...ing operation 6 4 Installation Hottap Type 6 4 1 Part Names V GROOVE MARK CENTER MARK PIPE PROBE BODY GASKET BOLT Fig 6 4 DRIVE UNIT HANDWHEEL PROBE GOES UP OR DOWN AS YOU TURN IN OR OUT MATCH MARK B...

Страница 15: ...tructions 1 Install the hold down disc between the mounting nozzle mounting flange and gate valve Use extra care to install the hold down disc in the right physical orientation at this time Ensure tha...

Страница 16: ...n the rating 125 If there is a possibility that the ambient temperature exceeds the allowable limit the following measures should be taken into consideration Avoid exposure to the direct rays of the s...

Страница 17: ...events the shaft from being forced upward under line pressure 2 Separating the shaft from its connection Fig B Taking off two hex nuts turn the handwheel to extract the connecting studs from the adapt...

Страница 18: ...g the preamplifier with sensor leads in place may damage the sensor Procedure Refer to Section 14 EXPLODED VIEW AND PARTS LIST on pages 37 and 38 1 Turn off power on the display board see Fig 6 17 on...

Страница 19: ...ig 6 18 NOTE The procedure above applies to the separately mounted type preamplifier 4 Separate the display board from the preamplifier body Fig 6 18 5 Orient the display board to the desired angle an...

Страница 20: ...er requires installation on a horizontal or vertical steel pipe 2 inches in diameter with furnished U bolt 3 Select an installation location easy for maintenance and in a desirable environment CAUTION...

Страница 21: ...g arrestor should be provided 3 Pitch down the cable at the cable entry to prevent rainwater and moisture from getting into the equipment 4 Cable ends are terminated with M3 5 Use applicable crimp sty...

Страница 22: ...E 22 7 3 Separately mounted Preamp to Sensor Terminal Box Wiring Diagram 4 5 6 1 2 3 GND GND TERMINAL BOX TO PROBE TERMINAL BOX TO PREAMPLIFIER Fig 7 4 PREAMPLIFIER SIDE TERMINAL BOX PROBE SIDE TERMI...

Страница 23: ...o prevent steam hammer drain the piping assembly completely 2 Checking the meter for proper installation To ensure safety inspect connecting bolts gaskets etc for tightness and other condition Make su...

Страница 24: ...registers erratic counts at meter shutoff due to noises caused by pipeline oscillation etc after sensor replacement 9 1 Amplifier Gain Amplifier gain amplification is adjusted to the sensor used Do n...

Страница 25: ...iometer AMPLIFIER BOARD A ADJUSTABLE RANGE 350mVp p 80mVp p 160mVp p FACTORY SET Trigger Level Potentiometer Amplifier Board A TLV Erratic pulse generation attributable to noises of pipeline oscillati...

Страница 26: ...eview Mode Parameter Setup Mode NOTE For complete detail of MODE and RESET switch operations in 1 2 6 and 7 see Table 10 2 Menu Trees and Switch Operation on page 29 10 2 Procedure to Enter a Paramete...

Страница 27: ...arameters bP and SP In the parameter setup mode a figure representing the decimal places of interest flickers MODE Not used in the setup process RESET With each ON the decimal point moves one place to...

Страница 28: ...none This setting process only changes indicted unit it by no means changes calculation process Decimal point in inst flowrate bP Depends on the specification 0 Decimal point in instantaneous flowrate...

Страница 29: ...E Retains variables before a switch to review mode Holding MODE switch depressed for 5 sec Moves one menu to another Pressing MODE switch scrolls through available menu items Un Indicated unit Indicat...

Страница 30: ...body play an important role for maintaining meter accuracy Exercise care not to damage them Following inspection install in place Align the locating pin on the probe body 101 with the mating pin slot...

Страница 31: ...Board B Circuit voltage 3V TO Circuit voltage 3 0V DC approx NOTE Amplifier boards A and B are of one piece construction cannot be disassembled Display Board Fitting Screw PLS SEL Switch DIV Switch T...

Страница 32: ...ter Setting varies according to the metered fluid and the nominal diameter of the meter 1 2 frequency divide switch 1 2 Selects the scaling factor for the flowrate signal being measured 1 1 and 1 2 Se...

Страница 33: ...sets the total reading Normally set to OFF No function 3 Always set to OFF POWER switch 4 ON Turns power battery ON OFF Turns power battery OFF 11 4 Configuring the Amplifier Board Fluid Nominal Dia m...

Страница 34: ...P TLV 4 5 6 4 5 6 Preamp board Separately mounted MODE FRQ MEM PLS Pulse shape Pulse shape RESET SW1 1 2 3 4 3 0Vp p 3 0Vp p 0 1Vp p min 3 2 1 3V 25A 15A 10A Com pare Amp 1 2 Divide 1 2 Mode select sw...

Страница 35: ...ox side of preamplifier Connector Battery Pack 4 Unplug the battery pack connector Connectors Battery Pack Part code 3T135A020 Screws 5 Take off two screws holding the battery pack to the preamplifier...

Страница 36: ...ure mode can be restored with MODE switch CPU parameter setting switch but the grand total flow and resettable total reading will be reset to 0 PA Err Pu Pulse weight error Pulse weight Pu setting is...

Страница 37: ...VIEW AND PARTS LIST FIXED TYPE 204 201 105 101 106 107 109A 102 211 209 208 207 104 109B 300A 310 309 307 303 308 301 302 108 300D 310 309 307 303 308 301 302 FLOW DIRECTION Fig 14 1 NOTE Parts list...

Страница 38: ...reamp Fitting Screw 1 NOTE Material of O ring 204 marked varies with chemical properties of the process fluid Sym No Part Name Q ty Remarks 300 A Preamplifier w Totalizer 1 set PA35 300 C Preamp w sep...

Страница 39: ...the next page 410 407 415 403 418 412 405 404 318 312 402 414 325 324 305 201 206 204 109 416 411 311 415 317 310 309 326 314 308 315 326 302 329 326 316 202 112 110 101 106 107 322 321 321 406 307 FL...

Страница 40: ...Retainer 1 311 Adapter A 1 312 Fitting 2 314 Hex Bolt 8 M16 45 315 Hex Bolt 8 M16 55 316 Through Bolt 8 M16 100 317 Stud Bolt 2 M12 50 318 Hex Socket Head Bolt 4 M8 30 319 Hex Socket Head Bolt 4 M4 1...

Страница 41: ...erating Pressure Depending on flange rating Operating Temp Range 10 to 300 C Fluid Velocities Air atm pressure 12 to 50 m s Water 0 6 to 6 m s Standard Insertion Depth Pipe nominal bore D 500mm 0 5D D...

Страница 42: ...Resettable total flow C 7 digit Digital instantaneous hourly flowrate b1 Digital instantaneous per minute flowrate b2 The display scrolls through the following menu items with external mode select swi...

Страница 43: ...OSSES FLOWRATE m3 h Pressure Loss Coeff of Gases and Stems C FLOWRATE m3 h Pressure Loss Coeff of Liquids C Liquid Service P C 105 P Pressure loss kPa Density kg m3 Gas and Steam Service P C 100 P Pre...

Страница 44: ...ype Applicable pipe nominal bore 200 to 1300mm In case of nominal size more than 1300mm consult factory Ln Mounting nozzle length std 100mm Y Insertion length Standard Pipe nom bore 500mm 0 5D Pipe no...

Страница 45: ...MTG NOZZLE LENGTH Ln STD 100 INSERTION LENGTH Y 0 2D OR 0 5D HOLD DOWN DISC FLOW DIRECTION PROBE 989 PIPE I D 400 Lv Ln Y 46 5 D 2110 216 VENT VALVE NOM BORE 15mm 60 44 Hotap Type Applicable pipe nom...

Страница 46: ...199 9 2 400 130 140 160 FS 25 250 10 248 8 3 000 220 240 270 FS 30 300 12 297 9 3 600 340 370 410 FS 35 350 14 333 4 4 200 470 510 570 FS 40 400 16 390 6 4 800 490 520 FS 50 500 20 489 0 6 000 870 930...

Страница 47: ...te Designed on PO issued F w Material test certificate Converter 3 PA35 Battery drive 9 Special Converter configuration 1 Integrally mounted 2 Separately mounted 2 pipe mounting Display 1 w Totalizer...

Страница 48: ...eparate type electric conduit at the top dedicated for indoor use Designated special paint on body B C 0 Corrosion proof B A 0 Salinity and acid tolerance 120 and lower B X 0 Customer designation Spec...

Страница 49: ...D 583 2N E 49...

Страница 50: ...D 583 2N E All speci cations are subject to change without notice for improvement 2018 06 Revised 2017 09 Revised 2013 08 Released D 583 2N E 2...

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