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D-160TS-7-E

13

6.8 Pulsation

The performance of the flowmeter can be affected if pressure pulsation from instruments such as roots
blower or compressor is significant. Minimize the pulsation pressure as much as possible by referring to the
following equation:

N< 22

ρ

V

2

(Pa)

where, N: Pulsation pressure (Pa)

ρ

: Density (kg/m

3

)

V: Min. Velocity (m/s)

If pressure pulsation is excessive, take the following measures:

①

Locate the source of flow pulsation away from or downstream of the flowmeter.

②

Install a pulsation attenuator, such as chamber or pulsation snapper.

③

At shutdown of the flow, shut off valves both upstream and downstream of the flowmeter. (To prevent

erroneous output at shutdown)

6.10 Changing Converter Orientation

The converter orientation can be changed in 90°
steps as shown in Fig. 6.12.

Fig. 6.11

Flow

Meter

Valve

Valve

Valve

Bypass line

Turning the converter with sensor leads
in place may cause disconnection of the
leads.

The converter can be rotated by
loosening its four hex socket head
screws, but be sure to disconnect
sensor leads before attempting to
rotate it.

Fig. 6.12

6.9 Bypass Line

For maintenance and servicing purposes, it is a good practice to provide a bypass line. Valves upstream and
downstream of the meter should be of a design which will not disturb fluid flow pattern, such as ball valves.

Cover

Cover

Clamp

90°

NOTE

：

CAUTION:

«
...
11
12
13
14
15
...
»

Содержание D-160TS-7-E

Страница 1: ...ipped from our factory under stringent quality control In order to maintain its design performance throughout the life of your meter this manual offers the operator the necessary installation operation and maintenance information Be well familiar with these instructions before you place your meter in service and keep this manual for your quick reference SENSOR WAFER TYPE CONVERTER SENSOR FLANGE TY...

Страница 2: ...y 12 6 8 Pulsation 13 6 9 Bypass Line 13 6 10 Changing Converter Orientation 13 7 CONVERTER INSTALLATION 14 8 WIRING INSTRUCTIONS 15 8 1 Wiring Speciﬁcations 15 8 2 Wiring Considerations 17 9 OPERATION 18 10 CONVERTER DISPLAY AND OPERATION 19 10 1 About Display 19 10 2 Basic Operation 19 10 2 1 Setting Mode and Measuring Mode 19 10 2 2 Key Operation 20 11 MEASURING MODE 21 11 1 Measuring Mode Disp...

Страница 3: ... 3 Explosionproof Applied Temperature Range 52 23 4 Explosionproof System Diagram 52 24 PRODUCT CODE EXPLANATION 53 The indications NOTE CAUTION and WARNING shown throughout this manual are to draw your attention to specific items NOTE Notes are separated from the general text to bring user s attention to important information CAUTION Caution statements call attention to user about hazards or unsa...

Страница 4: ...iner used for transit from the factory 2 During transportation exercise care to avoid impact shock and rainwater 1 3 Storage Considerations If the flowmeter is to be stored over an extended period of time before installation it could be involved in unexpected happenings So if an extended period of storage is anticipated the following precautions should be taken 1 The meter can best be stored in th...

Страница 5: ...either side of that triangular body placed perpendicular to the stream of ﬂow The thermistor sensors detect the frequency of these vortices as temperature change resistance change and measures the ﬂow rate 3 1 Features 1 The absence of mechanical moving parts and components subject to abrasion ensures long life and continuous operation with no loss of accuracy with time 2 By measuring actual flowr...

Страница 6: ...rrent supplied from a regulated current source As the ﬂuid ﬂows alternating pressure changes induced by Karman vortices on either sides of the bluff body cause alternating changes in the outﬂow velocity synchronous with Karman vortices in the bypass current ﬂowing across the sensor area and a minute temperature change results on the surface of thermistor sensors Thus the resistance values of a pai...

Страница 7: ...ensor into ﬂow rate output pulse signal of the same unit as the meter factor Install the converter on a 2 steel pipe post using U bolts in a location easy to access with desirable environment Fig 5 1 Construction NOTE About explosionproof construction In this ﬂowmeter the converter is built ﬂameproof and increasing safety explosionproof construction terminal box on the sensor assembly The sensor i...

Страница 8: ...te metering Accordingly proper ﬂow straightening measures must be taken when installing the OVAL VORTEX FLOWMETER In applications where OVAL straightening devices flow straightener Honey vane and downstream pipe are used a straight pipe section is not required unless otherwise speciﬁed However if using only the straight pipe section without other flow straightening devices secure the length of a s...

Страница 9: ...00 250 331 32 3 2000 300 376 38 7 2400 400 484 49 5 3200 500 594 62 1 4000 Dimensions for JIS 10K L t φD t Honey Vane S Honey Vane L 4 Installation Required straight pipe length Provide at least 8D between the flowmeter and Honey Vane S where D is the straight pipe diameter Installation wafer type Sandwich between flanges see figure below Honey Vane S FLOW Honey Vane S Flowmeter Short pipe Min 8D ...

Страница 10: ...n is necessary provide the probes downstream of the flowmeter see the below figure To avoid disturbances in the flow temperature detection should be made downstream of the flowmeter and at the same time upstream of the control valve Fig 6 4 6 4 Meter Orientation The flowmeter may be installed either on a horizontal line or a vertical line In a horizontal line the sensor should not be installed ups...

Страница 11: ...gn the connection ﬂange based on the outside diameter Exercise care not to give impact shocks to the meter interior and the sensor Be sure to use eyebolts if it is desired to hoist the meter for large meters Appropriate supports should be provided in order to prevent meter vibration For safety sake confirm that flange gaskets are in place and that fitting bolts are secure Leak check is recommended...

Страница 12: ... meter operation Flushing Procedure Flushing should be conducted before meter installation or using a bypass line If there is no bypass line install a short pipe section in place of the meter as shown in Fig 6 10 If flushing with water be careful not to allow water inside the meter Following the flushing thoroughly remove moisture in the piping assembly Moisture on the sensor could be a cause of t...

Страница 13: ...ow shut off valves both upstream and downstream of the flowmeter To prevent erroneous output at shutdown 6 10 Changing Converter Orientation The converter orientation can be changed in 90 steps as shown in Fig 6 12 Fig 6 11 Flow Meter Valve Valve Valve Bypass line Turning the converter with sensor leads in place may cause disconnection of the leads The converter can be rotated by loosening its fou...

Страница 14: ...shed the stanchion itself must be provided by the customer Fig 6 13 Procedure Turn off the power Remove the cover clamp then remove the cover A hex key JIS B 4648 nominal size 3 is required Fig 6 12 Separate the shield strip A Phillips screwdriver is required Fig 6 13 Disconnect sensor leads from the terminal block A Phillips screwdriver is required Fig 6 13 Loosen four hex socket head screws secu...

Страница 15: ...o 32VDC Open drain output equivalent of open collector output can be connected up to 30V 50mA STATUS Status output open drain PULSE Pulse output open drain COMMON DC power 0V Status output Pulse output EARTH Grounding Do not use the conduit connection on the terminal cover side For wiring connection specification refer to Section 21 GENERAL SPECIFICATION 2 Converter Do not use this conduit connect...

Страница 16: ...lusive cable must be used for connecting the converter and the sensor Either the left or right conduit connection cable entry of the sensor terminal box can be used For wiring connection specification refer to Section 21 GENERAL SPECIFICATION 2 Converter Converter PA21 Sensor terminal box SIG 0V SUP C1 C2 SHIELD SHIELD C2 C1 SUP 0V SIG Sensor terminal box must be installed using intrinsically safe...

Страница 17: ...ing must fit the finished cable OD 2 Securely tighten the pressure tight packing so that there is no gap between the packing and the cable 3 If not using a pressure tight packing make sure to take necessary measures to prevent moisture and dust from entering To waterproof the cable entry take the following into consideration Make sure that wiring parts conduit etc meet the standards Extend the cab...

Страница 18: ...the flow rate abruptly Introducing the gas into the sensor By opening up the block valves in the sensor housing allow gas into the sensor assembly Open the block valves A B and C in the sensor housing by approx 1 5 turns Fig 9 1 1 Block valves labeled A B and C 2 Following gas introduction make sure there is no gas leak from block valves etc 3 A hex wrench JIS B 4648 nominal size 5 is required for...

Страница 19: ...ccompanying switching magnet SEL key indicator Turns on when SEL key is operated SEL key SEL key Operate with the accompanying switching magnet Red LED Error active on Alarm active blink 10 2 Basic Operation 10 2 1 Setting Mode and Measuring Mode There are two modes available with the OVAL VORTEX FLOWMETER Measuring Mode and Setting Mode Measuring Mode Appears after powering on or exiting Setting ...

Страница 20: ...ickly to execute normal operation If the key input is kept ON bars appear on the lower display and begin to disappear from the left If hold operation is unavailable bars do not disappear If the key is turned OFF before the last bar disappears normal operation is executed Hold operation When SEL or ENT key is held ON bars appear on the lower display and begin to disappear from the left If a key is ...

Страница 21: ...s For error ERR indicator turns on in the upper left corner of LCD For alarm ALM indicator turns on in the upper left corner of LCD The upper display shows the error alarm number and measured value alternately 1 second interval The lower display shows the error alarm description synced with error alarm number 1 second interval 交互表示交互表示交互表示 Error indicator e g Sensor error Alarm indicator e g Ins...

Страница 22: ...ay contents Focusing turns off if no key input is made within 10 seconds ENT ENT SEL SEL How to switch display on Measuring Mode ﬂow rate display Focus Blinking Focusing turns oﬀ if no key input is made within 10 seconds Mode display Display content Description Example flow rate flow rate relative to the measuring range 12 MODE For switching to Setting Mode Selectable display Upper display ...

Страница 23: ...ter password using the same procedure as parameter setting The default password is 0000 and the password function is disabled as factory setting When enabling the password function please be careful about handling of the password In case you forget the password contact the nearest OVAL sales service office or representative in your area ENT Hold ENT Hold SEL Hold ENT Hold Measuring Mode Setting Mo...

Страница 24: ...e SEL to switch display item and ENT Hold to move to lower level To return to upper level use SEL Hold SEL Hold at the top level level code 00 00 to 06 00 will exit Setting Mode and return to Measure Mode Setting Mode Menu Operation Switch item Level code Back to Measuring Mode Top level Lower level SEL SEL Hold ENT ENT Hold Switch item Back to upper level Disabled Proceed to lower level ENT Hold ...

Страница 25: ...ters e g password setting ON OFF ENT Hold SEL Hold Selection parameter setting ENT Hold SEL SEL SEL SEL Hold ENT ENT Hold Switch setting value Cancel Disabled Conﬁrm Parameter editing mode Parameter starts blinking once parameter editing mode is active Automatically returns to The entire display blinks brieﬂy to notify that the change is conﬁrmed ENT Hold to conﬁrm the change SEL Hold to cancel pa...

Страница 26: ...ponent for details of exponent type ENT Hold SEL Hold Numeric parameter setting ENT Hold SEL ENT SEL SEL Hold ENT ENT Hold Change value Cancel Move digit Conﬁrm Parameter editing mode Parameter starts blinking once parameter editing mode is active Automatically returns to The entire display blinks brieﬂy to notify that the change is conﬁrmed SEL to change numeric values ENT to move between digits ...

Страница 27: ...23 45 which can be written as 1 2345 102 enter 1 2345E2 102 100 To set negative exponent for example 0 012345 which can be written as 1 2345 10 2 enter 1 2345 2 10 2 0 01 To change the sign of exponent focus on E second digit from right and switch between and E with SEL represents negative exponent and E represents positive exponent ...

Страница 28: ...sword setting 00 02 Full scale ﬂow rate 01 01 Meter factor 01 03 Status output mode 02 01 Status output assign 02 02 Pulse output ON width 02 03 Flow alarm func assign 03 01 Alarm dead time 03 05 Alarm hysteresis 03 04 Alarm low limit 03 03 Alarm high limit 03 02 Lowcut ﬂow rate 01 02 Password selection 00 01 Flow rate setting 01 00 Output selection 02 00 Flow alarm setting 03 00 modE PAS wd Pw oP...

Страница 29: ...put is generated when ﬂow rate is below this setting Unit m3 h standard setting High alarm setting Alarm output is generated when ﬂow rate is above this setting Unit m3 h standard setting Password setting To enable the set password password function must be ON Be careful not to forget the password Password function enable disable selection When ON is selected password input will be required before...

Страница 30: ...e disp 04 09 Sensor2 resistance disp 04 10 Sensor1 voltage disp 04 11 Sensor2 voltage disp 04 12 Display all 04 13 Sensor1 voltage disp 06 07 Sensor2 voltage disp 06 08 Maintenance mode 04 00 Software version 05 00 Sensor voltage control 06 00 Fix PL Fre Fix PL Count 04 02 04 07 04 08 05 01 05 02 05 03 05 04 06 01 mon Sw mon V2 mon V3 mon V4 mon dP mon r S1 r mon V S1 r mon V S2 r mon V S1 mon V S...

Страница 31: ...OVAL service personnel Parameter description Parameter for OVAL service personnel Parameter for OVAL service personnel Parameter description Parameter for OVAL service personnel Parameter for OVAL service personnel Displays circuit voltage inside the converter Parameter for OVAL service personnel Parameter for OVAL service personnel Displays the resistance value of Sensor 1 Displays the voltage va...

Страница 32: ...lect from normally open normally FET OFF and normally closed normally FET ON Normally Open Normal condition Alarm active Back to normal condition Normally Closed Normal condition Alarm active Back to normal condition FET OFF FET ON FET OFF FET ON Fig 14 1 14 STATUS OUTPUT This flowmeter is capable of status output of error alarm condition Status output related setting can be done at Out Pt sub men...

Страница 33: ...chattering when the flow rate is near high low limits hysteresis can be added When the flow rate is above the high limit the alarm will be canceled once the flow rate is below alarm high limit setting hysteresis setting Likewise when the flow rate is below the low limit the alarm will be canceled once the flow rate is above alarm low limit setting hysteresis setting Fig 15 1 Alarm dead time Alarm ...

Страница 34: ...rom sub menu Fix PL under Setting Mode mAint Output frequency and output pulse count can be set at any value with in the ranges of 1 0 to 2000 0Hz and 0 to 99999999 respectively ENT SEL ENT Hold SEL Hold Operation procedure Pulse output on hold Hold ENT to set pulse frequency Hold ENT to set output pulse count Output start If Count 0 output continues until ENT is pressed If Count 0 Automatic Fig 1...

Страница 35: ...bly number setting 0 to 16777215 Sensor serial number Sensor serial number setting 0 to 16777215 Device information Name Description Range Unit Display Meter factor Flowmeter meter factor L Pulse setting 1 0000E 5 to 3 0000E 3 1 0000E 3 depending on the version of CPU R W Flow low cut Instant flow rate reads 0 when flow rate is below this setting 0 0000E 0 to 9 9999E 7 F unit R W Flow fullscale 10...

Страница 36: ...nd H L alarm Function setting of status output represents LCD display Name Description Range Unit Display H L alarm function R W High alarm point High alarm turns on when instant flow rate is above this setting 0 0000E 0 to 9 9999E 7 F unit R W Low alarm point Low alarm turns on when instant flow rate is below this setting 0 0000E 0 to 9 9999E 7 F unit R W H L alarm hysteresis Dead band flow rate ...

Страница 37: ...sensor voltage adjusting 4 to 22 V Vset Target voltage for sensor voltage control 0 to 30 V Sensor voltage control Name Description Range Unit Display Lowcut Pulse function Digital filter setting for unfactored pulse output ON Digital filter enabled OFF Digital filter disabled Memory count Pulse output is generated when periodic pulse input below Low cut lower period exceeds this setting 1 to 8192...

Страница 38: ... circuit is below low limit the same applies to Err 34 36 38 Internal voltage high limit error Ｅｒｒ３３ Voltage of internal circuit is above high limit the same applies to Err 35 37 39 Sensor error Ｅｒｒ 4 0 Error in the sensor Instant flow rate low limit alarm A L m 5 6 Normal operation ＯＦＦＯＦＦ ON ON ON Instant flow rate alarm low limit setting Instant flow rate high limit alarm A L m 5 7 Instant flo...

Страница 39: ...K ITEM SECTION TO BE REFERRED TO Is the wiring appropriate sensor converter converter receiving instrument 8 1 8 2 Is power supplied 8 1 19 3 Are block valves A B C open 9 Is the gas to be measured flowing Does the receiving instrument have proper specifications e g input pulse width 21 2 Are there any leaks from piping valves etc Is the flow rate proper within the ﬂow range 21 3 Is there inductiv...

Страница 40: ...n reinstall it in place Open block valves A B C by 1 5 turns approx Be sure that the mist release screw is tight in place before attempting to open block valves 5 Visual inspection of the sensor See Fig 20 2 Sensor assembly Remove the sensor unit in the following steps and visually inspect the sensor for contamination If your meter has a pressuretight seal the sensor is inseparable from the termin...

Страница 41: ... because their surface is coated with glass Make sure of the O ring 215 on the sensor unit and then reinstall in place Open block valves A B C by 1 5 turns approx Be sure that the mist release screw is tight in place before attempting to open block valves 19 3 Converter Inspection Fig 19 3 Fig 19 2 Sensor unit Display Reed switch ENT Reed switch SEL LED TP5 TP6 Test Pin Locations The following hex...

Страница 42: ...are of opposite logic Output pulse Open drain Converter output terminal block PULSE COMMON Depends on the specification of receiving instrument See Fig 19 5 for waveform If appears but is missing converter or receiving instrument is at fault Pulse waveform observation Use an oscilloscope for measurement Fig 19 5 Waveform of output pulse Fig 19 4 Waveform of pulse output circuit 3600 Mf Q T T Perio...

Страница 43: ... 103 O Ring 1 202 Sensor Housing 1 209 Adaptor 1 301 Terminal Box 1 Meter body parts list Replacement part A G1 2 pressure tight packing with G3 4 union coupling is furnished for explosionproof specification Fig 20 1 Meter body 301 209 202 101 101 103 102 202 209 301 209 301 202 101 Wafer type 20mm 3 4 Wafer type 25mm 1 to 150mm 6 Flange type 200mm 8 to 500mm 20 ...

Страница 44: ...Head Bolt A 4 M6 20 213 Hex Socket Head Bolt B 4 M4 25 214 Hex Socket Head Bolt C 4 M3 12 215 O Ring A 2 P21 216 O Ring B 1 P7 217 O Ring C 3 150A or below P6 200A or above P10 218 O Ring D 3 P5 219 O Ring E 1 P10 220 O Ring F 1 S12 Similar in size with P10 O ring 221 Depressurizing boss 1 222 Depressurizing screw 1 Sensor parts list Replacement part Fig 20 2 Sensor assembly 204 206 205 211 212 21...

Страница 45: ...3A or SUS304 Flange rating Companion flange JIS 10 20 30 K ASME JPI 150 300 JIS 10 20 30 K ASME JPI 150 300 JIS 10 K ASME JPI 150 300 Standard Connecting Pipe Sch40 Sch20 Operating temp range 20 to 130 0 to 130 20 to 130 0 to 130 20 to 130 Max Operating Pressure Depends on JIS ASME and JPI flange ratings Design pressure 5 00MPa 1 89MPa Accuracy Within 1 of RD or 1 of FS Repeatability Repeatability...

Страница 46: ...lied voltage 30VDC Allowable current 50mA Unfactored pulse Pulse width 0 2msec or 1msec Status output Open drain equivalent to open collector Max applied voltage 30VDC Allowable current 50mA Select from Error Error Alarm H L alarm Error H L alarm Explosionproof configuration Converter Ex d e Ⅱ C T6 Sensor Amplifier part Ex d ib Ⅱ C T4 Sensor part Ex ib Ⅱ C T4 Applicable temp range 20 to 72 Cable c...

Страница 47: ...51 93 8 75 1 62 6 41 6 35 1 31 4 27 9 22 1 17 6 15 4 530 1 of full scale 49 3 39 34 9 31 8 20 2 15 6 13 2 11 1 7 79 5 51 4 5 100 4 1 of reading 197 123 98 3 81 9 56 1 47 3 42 3 37 5 29 8 23 7 20 7 900 1 of full scale 58 8 42 3 37 8 34 5 21 9 16 9 14 3 12 8 45 6 8 6 8 150 6 1 of reading 291 182 146 131 96 2 81 2 72 5 64 4 51 1 40 6 35 5 2100 1 of full scale 117 92 1 82 4 75 2 47 6 36 9 31 2 26 1 22...

Страница 48: ... 20 3 4 0 008438 411 5 12 5 25 1 0 01733 408 7 25 5 32 1 1 4 0 03852 407 4 56 5 50 2 0 1260 407 8 185 80 3 0 4197 350 8 530 100 4 0 9432 265 1 900 150 6 3 033 192 3 2100 200 8 7 032 134 3 3400 250 10 13 57 106 4 5200 300 12 23 26 89 57 7500 400 16 52 38 63 64 12000 500 20 102 8 51 34 19000 Fig 21 1 20 30 50 100 300 500 103 104 3 10 3 5 10 3 Flow rate Qm3 h actual Flow rate Qm3 h actual 50 10 100 8...

Страница 49: ...pe 200 8 JIS 10 K 350 472 200 330 61 JIS 20 K 350 75 JIS 30 K 370 90 ASME JPI 150 343 71 ASME JPI 300 381 95 250 10 JIS 10 K 450 505 249 400 101 JIS 20 K 430 126 JIS 30 K 450 152 ASME JPI 150 406 111 ASME JPI 300 445 147 300 12 JIS 10 K 500 545 298 445 141 JIS 20 K 480 169 JIS 30 K 515 214 ASME JPI 150 483 166 ASME JPI 300 520 217 400 16 JIS 10 K 600 595 390 6 560 241 ASME JPI 150 595 366 500 20 J...

Страница 50: ...D 160TS 7 E 50 2 Converter Fig 22 2 309 233 61 5 171 5 120 110 100 φ134 67 Conduit Connection G3 4 Conduit Connection G3 4 30 125 71 41 74 114 Unit in mm ...

Страница 51: ...の名称防爆構造に関する記号株式会社オーバル横浜事業所ＶＦ２４定格警告事項１爆発性雰囲気の存在するおそれのある時は容器を開けないこと１接地はＡ種接地工事に準じた工事を施すこと２配置配線の詳細は取扱説明書 D １ 60 参照のこと３最高許容温度が７０以上の外部配線を使用すること周囲温度本安回路非本安回路電源ＤＣ３０Ｖ１０ｍＡＵｍＡＣ２５０Ｖ５０６０ＨｚＤＣ２５０Ｖ出力ＤＣ３０Ｖ１ｍＡ通信ＤＣ３３Ｖ１ｍＡ注意事項演算部端子部センサユニット部労検第号株式会社オーバル平ＴＣ２１１０２９５２６５１１１１Ｅｘｄｉｂ ⅡＣＴ４Ｅｘｄｉｂ ⅡＣＴ４Ｅｘｉｂ ⅡＣＴ４２０７２...

Страница 52: ...ature range of the instrument is 20 to 72 at the part indicated below To satisfy the requirements make sure to use the instrument within the suggested range of fluid and ambient temperature shown below 30 20 10 0 10 20 30 40 50 60 30 10 10 30 50 70 90 110 130 Fluid temperature The part subject to explosionproof Ambient temperature Ambient temperature derating Fig 23 1 30 20 10 0 10 20 30 40 50 60 ...

Страница 53: ...able gland supplied with the flowmeter Main code Model Temp category Nominal Size Fluid category Converter configuration Version code Sensor configuration Sensor type Accompanied cable length Special Communication interface Pulse Display Converter Power supply Major Parts Material Explosion proof Process connection Main code Regulations Additional code Model V F W OVAL VORTEX FLOWMETER Wafer type ...

Страница 54: ...h Calculation sheet Japanese D P E Strength Calculation sheet English Unavailable for the Japan law compliant S E J Inspection Certificate Calibration report Japanese S E E Inspection Certificate Calibration report English S T J Pressure test report Japanese S T E Pressure test report English S A J Airtight test report Japanese S A E Airtight test report English D D J Dimensional check record Japa...

Страница 55: ...00 A 6 ASME 600 made to order P 1 JPI 150 P 3 JPI 300 P 6 JPI 600 made to order Z 9 Other than above Explosionproof rating 0 Non explosionproof J TIIS Explosionproof temperature class 0 Non explosionproof 4 Sensor T4 Converter T6 Regulations 0 Standard No regulation applied G High Pressure Gas Safety Act w Material test report Approved product H High Pressure Gas Safety Act w Material test report ...

Страница 56: ...D 160TS 6N E All specifications are subject to change without notice for improvement 2021 05 Revised 2016 04 Released D 160TS 7 E 1 ...

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