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Страница: 41 / 52

- 41 -

Minimum

level

Transmitter datum

Filling tee

Impulse lines filled

with stable liquid

e.g.

mod. 621ES

Max level

Minimum level must be at

or above this datum

Application n

2 : Liquid Level -

Closed Tank Using a Flange-Mounted Transmitter mod. 621ES
(No Condensable Vapors)

. . . ADDENDUM FOR FLANGE-MOUNTED TRANSMITTERS

Span

= H1*G1, in inches w.g. if H1 is in inches

Lower range value = [H2*G1]-[H4*Gw], in inches w.g. if H2 and H4 are in inches

Upper range value = Lower range value + span

= specific gravity of process liquid

= specific gravity of liquid in wet leg

Transmitter datum

Minimum level must not

be below this datum

Max level

Minimum

level

e.g.mod. 621ES

Span

= H1*G1, in inches w.g. if H1 is in inches

= specific gravity of the process liquid

Lower range value = [H2*G1], in inches w.g. if H2 is in inches

Upper range value = Lower range value + span

Application n

3 : Liquid Level - Closed Tank Using a Flange-Mounted Transmitter mod. 621ES and a Wet Leg

(With Condensable Vapors)

Содержание 622ED

Страница 1: ... 1 600T EN Series HART Pressure Transmitters Models 6X1ED EE EH EG EA Models 622ED 6X1ES Operating instructions ...

Страница 2: ...ion Laboratory No 0255 B is just one of the ten flow calibration plants operated by the Company and is indicative of ABB Automation s dedication to quality and accuracy UseofInstructions Warning An instruction that draws attention to the risk of injury or death Caution An instruction that draws attention to the risk of damage to the product process or surroundings R E G I ST E R E D F I R M BS EN ...

Страница 3: ...a unique inductive sensing element Accurate and reliable measurement of differential pressure gauge and absolute pressure flow and liquid level is provided in the even most difficult and hazardous industrial environments The 600T Smart series transmitter now includes an Analog Version 4 20 mA analog output an Analog Version plus HART digital communication and a Profibus DP PA Version Digital commu...

Страница 4: ...sic safety protection Additionally Tag plate ref D provides the customer tag number and calibrated range this is screwed on the housing and can be removed to be wired on by the supplied stainless steel wire Fig 1 Product identification Ref B Primary Unit Ref A TRANSPORT After final calibration the instrument is packed in a carton Type 2 to ANSI ASME N45 2 2 1978 intended to provide protection from...

Страница 5: ... the measuring diaphragm As a result the inductance of each coil changes The two inductance values L1 and L2 and the sensor temperature ST are combined in the primary electronics to provide a proprietary standardized signal In the manufacturing process the sensor output characteristics are compared with reference pressures and temperatures the mapped parametersarethenstoredinthememoryofPrimary ele...

Страница 6: ...ONTROLLER EXT ADJ INTERFACE MEMORY 4 to 20 mA CONVERSION MEMORY Primary electronics located in the Primary Unit Sensors Internal bus Fig 3 Functional Block Diagram Analog HART version MODEM FSK COUPLER Zero Span Secondary Electronics located in the Secondary Unit 4 to 20 mA Output For the ANALOG version the microprocessor computers the 4 to 20 mA output signal For the ANALOG HART version in additi...

Страница 7: ... to the techni cal data provided in the specification for the relevant model The transmitter may be mounted on a vertical or horizontal 2 inch pipe figg 5 and 6 by means of the same mounting bracket Note for other installation details see the relevant Addendum Fig 5 Mounting on 2 vertical pipe Note High side may be marked H or Low side may be marked L or WARNING For installation in Hazardous Areas...

Страница 8: ... details Fig 7 Location of the locking screws and terminals Grub screw ELECTRICAL CONNECTIONS The power to the transmitter is supplied over the signal wiring and no additional wiring is required The signal wiring does not need to be shielded but the use of a twisted pair is highly recommended The cable shield should be grounded in one side only to avoid dangerous earth paths WARNING For Hazardous ...

Страница 9: ...erminal for communication purpose Line load GND Power source Optional Receiver Test points 4 20 mA 250 ohm min Internal ground termination point REMOTE METER Remote indicator Kent Taylor 0 4 3 5 6 7 8 9 10 20 40 0 60 100 2 80 Hand held communicator 691HT A B C 1 D E F 2 G H I 3 J K L 4 M N O 5 P Q R 6 S T U 7 V W X 8 Y Z 9 0 PV REVIEW SERIAL LINK TRIM F1 F2 F3 F4 CONF Line load Internal ground ter...

Страница 10: ...emote indicator Line load GND Hand held communicator Power source Optional Receiver Test points 4 20 mA 250 ohm min Internal ground termination point 691HT A B C 1 D E F 2 G H I 3 J K L 4 M N O 5 P Q R 6 S T U 7 V W X 8 Y Z 9 0 PV REVIEW SERIAL LINK TRIM F1 F2 F3 F4 CONF External ground termination point M TEST COMM Line load GND Hand held communicator Power source Optional Receiver Test points 4 ...

Страница 11: ...ch the transmitter is calibrated LRV Lower Range Value The lowest value of the measured value to which the transmitter is calibrated SPAN The algebric difference between the Upper and Lower Range Values The minimum span is the minimum value that can be used without degradation of the specified performance TURN DOWN RATIO is the ratio between the maximum span and the calibrated span The transmitter...

Страница 12: ...late please refer to Range and Span consideration on the previous page ii the transmitter is properly powered and the electrical connections correctly made iii the write protect link located on the electronics module is in position OFF write allowed Access to the link is gained by unscrewingthesecondaryunithousingcoverattheopposite end to the terminal cover See Fig 9 iv the Upscale Downscale link ...

Страница 13: ... the previous calibrated span b Usethezeroandspanprocedureabovebut apply pressures equal to the Lower Range Value LRV and then to Upper Range Value URV and turning for at least 1 second the zero and span screws respectively Absolute pressure Use the zero and span procedure as previously described but apply to the process connection absolute pressures equal to the Lower Range Value LRV and then to ...

Страница 14: ...gflangeswithincorrect fixing bolts and nuts and improper O rings can causefractureoroverstressingofboltsandrelease of pressurized process material Use only official sparepartsanddonotexceedthespecifiedtorque limits DO NOT REMOVE the O ring fitted in the sensor neck it provides the housing a degree of protection a Refit the flange fixing bolts with a torque of 20 Nm 15 ft lbs using a 17 mm torque w...

Страница 15: ...fault finding checks before contacting your nearest Service Centre If the instrument is to be returned for repair ensure that it is adequately packed using the original polystyrene box or high density chipfoam thetroublesheet returningformshouldbesentwiththeinstrument filledinallitsparts Ifthetransmitterneeds to be dismantled follow the procedures of the previous section WARNING If the transmitter...

Страница 16: ...l Serial No WARRANTY REPAIR REPAIR ORDER IDENTIFICATION Rejection or discrepancy reports Not available Copy attached Shipping information for the return of the equipment Maintenance Commissioning Installation On service At start up Please enclose this sheet duly completed to cover letter and packing list Date Signature Originator Material returned for factory repair should be sent to the nearest A...

Страница 17: ... Fig 1 shows the analog output meter and the location of the zero adjustment The calibration is quite simple using one of the following methods with the loop unpowered adjust the zero screw to read exactly the true zero mark on the scale Fig 1 with the transmitter transmitting 4 mA adjust the zero screw to read exactly the live zero of the scale Zero span adjustments Standard position Multiplicati...

Страница 18: ... 9 400 1999 OFF ON OFF ON OFF OFF SW5 SW6 For SPAN adjustment between For DECIMAL POINT position like Then proceed as follows 1 Set the output current of the current generator to 4 mA on the milliammeter or 1 V on the DVM Alternatively using the Loop Test procedure on the Hand Held Communicator forcetheoutputofyourSmarttransmitter to 4 mA 2 Adjust the zero trimmer Z to read approximately the lower...

Страница 19: ...in figure 2 INTEGRALDIGITALDISPLAYMICROPROCESSORDRIVEN The Microprocessor Driven Integral Display can be installed simplybypluggingitintotheconnectorprovidedinthesecondary electronics and replacing the blind cover with a windowed one To provide an easy view the indicator can be installed in 4 different positions in steps of 90 The indicator is provided with 4 female connectors equally spaced at 90...

Страница 20: ...r in percentage or in engineering unit with all the units available as for the HART Communication Protocol In addition to the indicator functionality the CoMeter can be used as a configuration tool where both the CoMeter itself and the transmitter can be configured In fact two are the main menu ConF METER and ConF XMTR ACCESS TO CONFIGURATION To enter these menù the keys PREV and NEXT must be pres...

Страница 21: ...URVandUnitoftheHARTtransmitterconnected Before accepting the transmitter configuration by pressing ENTER at the request ConF UPDATE it is possible to view the LRV ZERO the URV FULL SC and the UNIT If the output transfer function of the transmitter is not linear the CoMeter shows the message ConF NO_LIN and the user cannot update the configuration It is necessary to change the output transfer funct...

Страница 22: ...ble operation under the selected option CONF menu TRIM menu REVIEW menu PV menu Change LRV Reranging RERANG TAG 8 Primary variable PRIMARY Change URV Loop test LOOPTST Final Assembly Nr XMTR N Secondary variable 2ND Change DAMPING Output trim OUTTRIM Sensor Serial Nr SENS N Tertiary variable 3RD Change UNITS Zero adjustment SNSZERO Up Down scale UP DOWN Fourth variable 4TH Change OUTPUT UNITS LRV ...

Страница 23: ...UAL ENTER SET 4mA ENTER 04 000 04 000 04 000 ESC ENTER 04 000 04 000 REF VAL 4 000 REF TX ENTER SET20 mA ENTER ENTER 20 000 20 000 20 000 ESC ENTER 20 000 20 000 REF VAL 20 000 REF TX ENTER ENTER AUTO SET 4mA 4 001 TRIM ENTER ENTER NEXT PREV ENTER ENTER ENTER 0 050 KPA ESC ENTER ESC NEXT PREV ESC ESC ESC ESC ESC ESC NEXT PREV SET 20mA 20 000 TRIM ENTER ENTER ESC ESC ADDENDUM FOR COMETER ANALOG LCD...

Страница 24: ... URV ESC 40 000 LRL ESC 40 000 URL ESC 1 0000 DAMPING ESC OUTPUT LIN ESC ENTER ESC NEXT PREV NEXT PREV Fig 10 PV menu ENG UNITS PV ENTER PRIMARY ESC ENTER 10 sec 10 690 KPA NEXT PREV or 8 280 mA 2ND 27 000 DEG C NEXT PREV ENTER or 26 750 3RD 10 000 MPA NEXT PREV ENTER 4TH 200 Lt min NEXT PREV ENTER NEXT PREV ESC ESC ESC 10 sec 10 sec ANALOG OUTPUT OUTPUT 10 sec 10 sec 10 sec ADDENDUM FOR COMETER A...

Страница 25: ...mbar In order to eliminate the pressure caused by the fluid inside the capillary you can perform a PV scaling for compensating scaling the reading for these 80 mbar The result of this operation is the transmitter s reading is now 0 mbar offset is 80 mbar and must be considered that while the limits of the transmitter remains LRL 400 mbar URL 400 mbar and the calibration does not change LRV 0 mbar ...

Страница 26: ...ns side b Unplug the built in indicator if present c Unscrew the two Phillips screws M 4 x 18 mm which secure the terminal block and pull it off the housing d Unscrew the two Phillips screws M 3 x 6 mm which fix the wire eyelet terminals of the two RF radio frequency filters on the back of the terminal block Retain the screws e Fit properly the surge protector p c board and secure it by a self tap...

Страница 27: ...TECTOR P C Board TERMINAL BLOCK Back view Self tapping screw M2 9x6 mm to secure the surge prot p c board Two threaded bushes M3x6 mm to fasten the eyelet terminals of the RF filter wires Eyelet terminal to be screwed to dedicated ground connection of the housing below terminal block Two notches on the ext plastic case wall to lodge the surge prot p c board Fig 1 SURGE PROTECTOR FOR TRADITIONAL TE...

Страница 28: ...the latter 2b you can see the terminal block connection when surge protector is in Fig 2 SURGE PROTECTOR FOR NEW TERMINAL BLOCK Three terminals Stuck on label to disclose the presence of the surge protector Two holes for M4x18 mm fixing screws Terminals Socket for built in indicator TERMINAL BLOCK Side Sect View Terminals to be welded into the specified holes TERMINAL BLOCK Front view SURGE PROTEC...

Страница 29: ... fix the terminal block to the housing put the two wires in the position as shown above in order to avoid any damages Fig 2b Connection for terminal block and housing with surge protection Note Before to fix the terminal block to the housing put the two wires in the position as shown above in order to avoid any damages Black Red Green ...

Страница 30: ...6 ON ON OFF OFF 1 2 2 3 3 4 4 5 5 6 6 ON ON OFF OFF 1 2 2 3 3 4 4 5 5 6 6 ON ON OFF OFF With switch 3 down in off position ZERO and SPAN local adjustment located below the nameplate of the transmitter housing can be used for ZERO 4 mA point and SPAN 20 mA point adjustment i e range calibration With switch 3 up in on position ZERO and SPAN local adjustment can be used for ZERO and SPAN RAISE LOWER ...

Страница 31: ...for 2 secs If you have an Integral digital display you receive the message DAMP ACT for Damping Active and then you have the Damping value displayed use ZERO to decrease the value up to 0 secs use SPAN to increase the value up to 16 secs After 10 secs of non use of zero or span the operation terminates and the message on the display is END and the Damping value is stored permanently It is suggeste...

Страница 32: ... disable Zero and Span can be disabled using a HART configuration software so it applies only to Analog HART version When a digital integral display is applied to the secondary electronics the following operation can be performed using the hardware links located on the integral digital display ZERO Raise Lower if the switch 3 is in ON position SPAN Raise Lower moving the switch on the display from...

Страница 33: ... loop or associated equipment test where x and output are in the range 0 to 1 0 to 100 Figure 1 shows the Input output relationships with the different Square Root Options applied These output functions can be activated using a Configuration Tool like the Hand Held Communicator a HART Universal Communicator or a Personal Computer carrying the Smart Configuration Program connected to the transmitte...

Страница 34: ...ut varies linearly For input variation greater then 0 5 up to a value programmable from 1 to 4 the output still varies linearly Then at input values greater then 4 the output follows the applied transfer function In the figure it is also indicated the default selection Toconvertfromapressurevaluewithinthecalibratedspantoapercentofflow firstexpressthepressureasapercentofcalibrated span then take th...

Страница 35: ...elationship Using this function the output in of the span is proportional to the square root of the third power of the input signal in of the calibrated span the instrument e g gives an output proportional to the rate of flow calculated using the above mentioned formulas 4 0 SQUARE ROOT X5 Available for analog HART version This function can be used for open channel flow measurement using ISO 1438 ...

Страница 36: ...h the input h and the output Out normalized i e in the range 0 to 1 or 0 to 100 the vessel diameter corresponding to a circular area equal to 1 100 will be normalized by a K factor of the following value K 2 1 π 1 12838 The volume of the liquid contained in the vessel at heigth h will be V Out d 1 12838 2 L where d vessel diameter and L vessel length The non conformity error is within 0 1 between ...

Страница 37: ...rcasesa tod andcalibratethe transmitterrangetocoverthefulldiameterofthevesselortank the changes in volume for the h changes between h0 and h max will be correct Of course the transmitter will transmit when the level is h0 thevolumecorrespondingtoh0 thesameapplyforlevel hmax All transmitted volumes are of the total volume of the vessel Ifitisrequiredthepartialvolumestartingfromh0 i e thevolumeath0 ...

Страница 38: ...inomials have to be calculated according to the shape of the vessel A PC based software tool is available for polinomial coefficients definition 7 0 CONSTANT CURRENT Available for analog HART version This output function activated by a Configuration Tool can be used to test the transmitter output the integrity of the transmission loop and the calibration of associated equipment like receivers reco...

Страница 39: ... range of temperature ADDENDUM FOR FLANGE MOUNTED TRANSMITTERS The 621ES liquid level transmitter has been designed to connect to a flanged tank nozzle or similar ANSI DIN fitting Standard connections for 2 3 inch Class 150 300 600 flanges and equivalent DIN are available Flush and extended diaphragm options are also available Figure 2 The flush diaphragm is suitable for applications where the pro...

Страница 40: ...op of the tank It is important to ensure that this leg is either completely free of liquid dry leg or completely filled to a constant level wet leg In open tank applications mounting the transmitter on the tank nozzle provides the HI side process connection with the LO side being vented to atmosphere The hydraulic head pressure acting against the process diaphragm is a direct measurement of the li...

Страница 41: ... H4 Gw in inches w g if H2 and H4 are in inches Upper range value Lower range value span G1 specific gravity of process liquid Gw specific gravity of liquid in wet leg Transmitter datum Minimum level must not be below this datum Max level Minimum level e g mod 621ES Span H1 G1 in inches w g if H1 is in inches G1 specific gravity of the process liquid Lower range value H2 G1 in inches w g if H2 is ...

Страница 42: ...89 3 5 89 3 5 60 2 36 60 2 36 60 2 36 60 2 36 60 2 36 89 3 5 89 3 5 89 3 5 89 3 5 89 3 5 89 3 5 89 3 5 92 1 3 62 92 1 3 62 92 1 3 62 92 1 3 62 127 5 127 5 127 5 127 5 157 2 6 2 157 2 6 2 102 4 02 102 4 02 102 4 02 102 4 02 102 4 02 138 5 43 138 5 43 138 5 43 138 5 43 138 5 43 158 6 22 162 6 38 B dia 120 5 4 74 127 5 127 5 165 6 5 152 5 6 168 5 6 63 168 5 6 63 190 5 7 5 190 5 7 5 200 2 7 88 125 4 9...

Страница 43: ...igh value for FULL TRIM operation A standard operation must be performed according to the procedure If the result is not satisfactory the operation must be repeated with a procedure similar to that shown at point a above new calculated value with error taken with reversed sign Output Reranging Sometimes in case of tank level measurement it becomes difficult to calculate the LRV or the URV of the t...

Страница 44: ...Drain vent valve Covers locking screw Electrical connections Mounting flange Flange adapter 127 5 00 17 0 67 26 1 02 17 0 67 36 1 42 A C D E 71 2 80 27 1 06 135 5 31 S N O S S T I U C R I C S E L N O I N E T S O S T U R REVUOC E L R E D R A G T N E M EF NE B ELC I Q U A T E AL S T I U C R I C IVE H C O PE E K V E R T I G T E H W N 86 3 39 59 2 32 F G B Process connection RATING F G 2 3 2 3 DN 50 D...

Страница 45: ... media D Dust dangerous media T50 C Maximum surface temperature of the transmitter enclosure with a Ta ambient temperature 40 C for Dust not Gas with a dust layer up to 50 mm depth T95 C As before for Dust for a Ta 85 C Note the number close to the CE marking of the transmitter safety label identifies the Notified Body which carries out the surveillance for the production of the transmitter The ot...

Страница 46: ...eas continuous hazard with its process part only whereas the remaining part of the transmitter i e its enclosure can be used in Zone 1 Gas only see sketch below Reason of this is the process part of the transmitter normally called primary transducer that provides inside separation elements to seal off the electrical sensor from the continuously hazardous process according to the EN50284 and EN5001...

Страница 47: ...perature I to P Converters and Field Indicators Flow Metering Magnetic Flowmeters Electromagnetic insertion type probes and watermeters Turbine Flowmeters Wedge Flow Elements Mass Flow Meters Transmitters sensors controllers and batch display units Level Control Submersible Capacitance Conductivity Pneumatic Instrumentation Transmitters Indicating Controllers Recording Controllers Customer Support...

Страница 48: ... 48 ...

Страница 49: ... 49 ...

Страница 50: ... 50 ...

Страница 51: ...conformity with the following standards EN 50 081 1 1992 Electromagnetic compatibility Generic emission standard Residential commercial and light industry according to EN55022 1995 EN 50 082 2 1995 Electromagnetic compatibility Generic immunity standard Industrial environment according to EN61000 4 2 1998 EN61000 4 3 1998 EN61000 4 4 1995 EN61000 4 5 1995 ENV50141 1993 following the provisions of ...

Страница 52: ...ambs Englang PE19 3EU Tel 01480 475321 Fax 01480 217948 ABB Automation Inc 125 East County Line Road Warminster PA 18974 4995 USA Tel 215 674 6693 6320 6777 Fax 215 674 7184 IM 600TEN H Rev 5 The Company s policy is one of continuous product improvement and the right is reserved to modify the specifications contained herein without notice ...

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