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L-770HP--E

6.5.5 Recommended cables condition

Classification

Terminal

Recommendation

Rated voltage /

allowable current

(at 0

℃

)

Cross-sectional area

Crimp terminal

Power supply

L / N

00V or more

A or more

.sq to .0sq

AWG to

Ring type .mm or less

For M

(Earth)

Signal

ANALOG,

00V or more

0.A or more

0.7sq to .0sq

AWG to

Ring type .mm or less

For M.

PULSE

STATUS I/O

RS-

0.7sq AWG

For the signal cable, use the shielded cable.

NOTE:

6.6 Insulation Resistance / Withstand Voltage Test

Noise reduction parts are equipped between the power supply line and the grounding and between the

output terminal and the grounding. When conducting insulation resistance test / withstand voltage test on

these lines, please follow the conditions as described below.

Also, insulation resistance test / withstand voltage test cannot be conducted on sensor connection

terminals.

●

Insulation resistance test

　・

Between the power supply line and the grounding: 00M

/00VDC

　・

Between the power supply line and the input / output terminal: 0M

/00VDC

　・

Between the input / output terminal and the grounding: 0M

/00VDC

●

Withstand voltage test

　・

AC power specification: between the power and the grounding: AC 00V (for minute),

leak current: mA or less

　・

DC power specification: between the power and the grounding: AC 000V (for minute),

leak current: mA or less

Содержание ALTI mass CA004

Страница 1: ...eries Every OVAL product is fabricated tested and inspected under stringent quality control before it leaves our factory To derive maximum benefit from the product we recommend you to be well familiar...

Страница 2: ...0 In uences of Vibration and Pulsations Prevention of Cavitation Prevention of Excessive Flow Keeping the Sensor Filled with Process Liquid Bypass Loop Installation Guidelines Sensor Unit to Tubing Co...

Страница 3: ...ENANCE 40 Error Messages 0 Status Messages Maintenance Inspection Replacement Parts 10 EXPLOSIONPROOF SPECIFICATIONS 43 0 TIIS 0 System Con guration 0 Inductance and Internal Resistance of Sensor Coil...

Страница 4: ...nt unexpected problems transport the product to the installation site using the original manufacturer s packing for shipment if circumstances permit Do not apply strong impact during transportation an...

Страница 5: ...will not exceed 0 3G 1 6 Precautions for power on To ensure the stable measuring condition allow 0 minutes of warm up period 1 7 Returning Equipment If the meter must be returned to OVAL for any reas...

Страница 6: ...is especially suitable for the ow measurement of high pressure hydrogen 7 The meter casing has high mechanical rigidity for ease of use reducing space requirements and increasing process safety Explos...

Страница 7: ...n leakage of inert argon gas For such case refill the casing with inert gas such as argon gas For further details of treatment consult OVAL sales office or nearest representative 2 Density and volumet...

Страница 8: ...Operation LED for operation status display red and green zero adjustment button Communication type HART communication standard type Superimposed to the HART 7 Analog Output Modbus communication type...

Страница 9: ...int Model SS 810 1 4RT Male thread 1 4B External diameter of tube 1 2B 43 4 View A A View A A 8 14 5 4 M10 Meter fitting bolt embedded 4 M10 Meter fitting bolt embedded 2 Rc1 4 Inert Gas Filler Openin...

Страница 10: ...the valve at least ve meters away from your meter 5 2 Physical Orientation Physical orientation does not affect the performance of this unit It can be installed either in a horizontal or vertical run...

Страница 11: ...ach meter with sturdy supports 5 3 3 Prevention of Cavitation Cavitation can cause a loss of meter accuracy in measurement Maintain line pressures that will not cause cavitation upstream and downstrea...

Страница 12: ...to Piping Connection Guidelines 5 5 1 Machining the Female Connector for reference Fig is a machining drawing for preparing the high pressure cone thread connection female connector See also Fig Detai...

Страница 13: ...Insert the male connector into the female connector and nger tighten the gland nut Ensure that the male connector and female connector are aligned in their axis at this time Tighten the gland nut to...

Страница 14: ...ounting base are secured with four M 0 bolts designed to prevent them from loosening when shipped from the factory On the rare occasion you nd loose bolts retighten them Secure the mounting base to a...

Страница 15: ...tain the tracing temperature around that of the process uid see General Speci cations If steam warm water or oil is used secure by spot welding the copper tubing or of other material to the sensor uni...

Страница 16: ...mensions Fig 3 1 Converter external dimensions diagram Min 50 2 7 1 unit Rack Rack 144 160 0 5 48 44 178 160 145 2 4 5 135 165 121 2 3 8 Unit mm Installation pitch between 2 rackmount transmitters sha...

Страница 17: ...wise and hand rotate it further until it comes off Removing the cover provides access to the terminal block Reverse step of shall be taken for re tightening the cover CAUTION Internal wiring could bre...

Страница 18: ...e length secured at the position shown below so that the internal device can be pulled out from the case while connected 2 1 3 M3 screw Cover Tab Slide the cover upward Lift to remove the forward Sens...

Страница 19: ...nal diagram Fig 3 4 IS CONNECTION SHIELD L G R R D L TA Tb TB Sensor connection terminal I O signal connection terminal Power supply connection terminal Grounding terminal ANALOG1 ANALOG2 STATUS I 0 A...

Страница 20: ...ange of and 0 Fig 6 5 E 454 1 E Transmitter sensor connection terminal Terminal Color Description D Brown Flow tube drive output D Red G Black Connect cable shield TB Orange Temperature sensor input T...

Страница 21: ...Green Blue Purple Gray White 1 Remove approximately 100mm of sheath of cable 2 Protect red brown shielded wire with black tube 3 Cut all shielded wires except for the red brown shielded wire 4 Protect...

Страница 22: ...of terminal Polarity Description ANALOG Analog to 0mA output maximum load resistance 00 HART communication ANALOG Analog to 0mA output maximum load resistance 00 PULSE Open drain pulse equivalent to...

Страница 23: ...kHz Max 00m Frequency 00Hz Max km The open drain pulse output and the voltage pulse output can be switched by the switch as shown in the figure below The voltage pulse is the drain terminal of open d...

Страница 24: ...e grounding and between the output terminal and the grounding When conducting insulation resistance test withstand voltage test on these lines please follow the conditions as described below Also insu...

Страница 25: ...ide the structure of terminal block can be either A or B shown below Follow procedure according to the type of your terminal block Fig 6 8 Terminal block A Terminal block B Remove the isolation cover...

Страница 26: ...terminal box without exerting excessive force onto sensor cables After rotating reassemble terminal box in reverse procedure Fig 6 15 Terminal block A Terminal block B Remove screws from terminal bloc...

Страница 27: ...lose the downstream valve to completely stop the measurement fluid and carry out Zeroing When zeroing is under progress the sensor unit shall be fully filled with the measurement fluid with 0 of opera...

Страница 28: ...fasten the internal device M3 Screw to fasten the internal device M3 Screw to fasten the front cover M3 Front cover Zeroing button This is the button to conduct zeroing To press the button use a tool...

Страница 29: ...utput Simulated output of pulse output Status output Simulated output of status output Status input Check input status condition Zeroing function Auto Zero Perform zeroing Analog adjustment function A...

Страница 30: ...dentification 0 to 0 g ml 0g ml Slug duration Duration of gas multi phase flow identification 0 to 0 70 sec 0 sec Compensation Setting for execution of standard temperature conversion ON OFF OFF Stand...

Страница 31: ...value 0 to 0000 Hz 000 Hz Rate Factor Full scale flowrate of pulse output According to the specification Lowcut Low cut of pulse output Setting will be done by certain percentage value to the Rate Fac...

Страница 32: ...mA Zero mA Hold Keep the output Upscale mA Zero 8 7 Status Input Function This equipment can assign the status input or the status output function to the STATUS I O terminal Switching between status i...

Страница 33: ...tput Analog Status output Analog Status IO Assign Assigning of status input output function Status input Status output Status input Output function Selecting of status output Error Status Bi Direction...

Страница 34: ...e an error selected by Status output error select has occurred Status is switched ON Multiple items can be set Items to be selected by Status output error select When Bi Direction is selected Forward...

Страница 35: ...type Set High Alarm if to only activate the higher limit alarm Set Low Alarm if to only activate the lower limit alarm Set H L Alarm if to activate both the higher and the lower limit alarm Set High a...

Страница 36: ...flow Upon detection of density smaller than this setting the circuitry interprets and judge as slug flow Set a value small enough against the expected density value of the measurement fluid Slug high...

Страница 37: ...e flowrate pulse output will be the frequency which is set by Pulse upscale freq Example of settings and operations Slug low limit lower limit density value of gas multi phase flow 0 g mL Slug high li...

Страница 38: ...and analog output if needed As the analog flowrate output is the absolute value of flowrate it is not necessary to set the negative value of flowrate for the lower limit value of analog output LRV LRV...

Страница 39: ...M lb day M ShTon min M ShTon hr M 7 ShTon day Instant volume flowrate V ml sec V ml min V ml hr V liter sec V liter min V liter hr V 7 liter day V CuMtr sec V CuMtr min V 0 CuMtr hr V CuMtr day V gal...

Страница 40: ...temperature sensor cannot be confirmed The connection of temperature sensor is defective Check the connection status of temperature sensor P O Connect Error The normal connection of pickoff coil cann...

Страница 41: ...ecuted Fixed output Status Output Fixed Status Out Fix Status output fixed output is being executed Fixed output 0 Sig Lock 0 Sig Lock 0 Signal Lock is being executed from status input 4mA Stopped Cal...

Страница 42: ...flowmeter please conduct maintenance inspection for the following items Please confirm that the power of flowmeter has been turned off and that there is no hazardous atmosphere in the surrounding are...

Страница 43: ...ss owmeter sensor Intrinsically safe circuit Non hazardous area Hazardous area General equipment Non intrinsically safe circuit Allowable voltage Um AC250V 50 60Hz DC250V Power supply AC100 to 240V 50...

Страница 44: ...of temp class Major parts material Explosion proof Process connection Main code Additional code Category of High Pressure Gas H P 0 Other than High Pressure Gas H P 1 7R LF JDV DQG DPPDEOH JDV H P 2 T...

Страница 45: ...nly available in Japanese C B J Only available in Japanese C C J Only available in Japanese C D J Only available in Japanese Witness Test V 1 0 Required Toxic gas and flammable gas 9 GEJ516E 1 ALTImas...

Страница 46: ...r zero value Sensor zero adjusting value Flow Mass flow unit Instantaneous mass flow unit Vol flow unit Instantaneous volume flow unit Flow direction Flow direction selection Flow damp Mass Flow Mass...

Страница 47: ...e Error select Sensor failure Output selection at each item Transmitter failure Calibration failure Saturated alarm Parameter failure Transmitter alarm Slug flow alarm Calibration in progress Fixed ou...

Страница 48: ...ng consult OVAL sales of ce or nearest representative Equipment to be returned Sensor Unit Transmitter Model Serial No Process Fluid Names List all chemicals and process uids in contact with the equip...

Страница 49: ...data YES No Initial serial No YES No Output mA Output frequency Pressure input Pressure output Sensor conditions Tube empty no obstacles Sensor empty no obstacles Tube clogged contaminated Type of cl...

Страница 50: ...AL Corporation Head Office 10 8 Kamiochiai 3 chome Shinjuku ku Tokyo Japan Phone 81 3 3360 5121 FAX 81 3 3365 8605 2019 04 Released L 770HP 1 E 1 All speci cations are subject to change without notice...

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