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9

EEPROM

Sensor
parameters

Analog to
Digital
Converter

Digital to Analog

Converter

Micro Processor

• Signal conditioning
• Reranging
• Diagnostics
• Communication

EEPROM

Transmitters
Parameters

Communication

FUJI/HART

®

Manual
Zero/Span
Adjustment

25.0

8.00 kPa

FXW

0 Y

1

4

7

8

9

6

5

2

3

M

N

O

S

R

Q

U

V

W

Z

.

[

HHC

Hand held Communicator

{

HP

LP

Control
system

Analog indicator
(option)

4-20 mA signal

LCD digital indicator
(option)

Micro

Capacitance

Silicon Sensor

Sensor Unit

Electronics Unit

1

The FCX-AII series transmitter accurately measures the differential pressure, level liquid, gauge
pressure or

fl

ow rate, and transmits a proportional current signal of 4 to 20mA DC.

All the adjustment functions are incorporated in the transmission unit for making adjustments
easily and exactly.
Transmitter settings (such as range and damping time constant, etc.) can be changed from an
FXW communicator (Hand Held Communicator).
The transmitter utilizes a unique micromachined capacitive silicon sensor with state-of-the-art
microprocessor technology to provide exceptional performance and functionnality.
The transmitter is compact and light, provide high accuracy and reliability.
Local adjustment of zero and span are possible from outside screw on the electronic housing.

Measuring principle

The operating principle of the FCX-AII series transmitter is shown in the block diagram below.
The input pressure is changed into an electrostatic capacitance in the detecting unit.

The change proportional to the pressure undergoes conditioning and ampli

fi

cation in the trans-

mission unit, and is then output as a current of 4 to 20mA DC

OUTLINE

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Содержание FCX-AII Series

Страница 1: ...TRUCTIONS MANUAL and SERVICE INSTRUCTIONS FCX AII Series transmitters Types Differential pressure FKC Gauge pressure FKG Absolute pressure FKA Level transmitter FKE With remote seal s FKD FKB FKM Date Septembre 2018 INF TN4 FCXA2g E ...

Страница 2: ...2 ...

Страница 3: ...position is already amended since the delevery by Fuji it s necessary to remove the electronic unit from the housing and disconnect the ﬂat cable from the electronic measuring cell before turn the housing If necessary amend the ﬂatcable s position connecting electronic unit and measuring cell after ﬁt the different parts Failure to observe this may lead to the deterioration of the ﬂat cable which ...

Страница 4: ...FCXAII 002 for any use of sensors in dangerous areas The instrument nameplate as shown below is attached at the transmission unit of this transmitter Before use make sure the contents of the nameplate agree exactly with your specifications 1 2 3 4 5 6 7 8 9 10 11 12 Tag number Model Transmitter type see corresponding technical datasheet Range Power supply Output Span limit MWP Serial number Manufa...

Страница 5: ... dB μV m quasi peack measured at 10m distance Minimum requirements for Immunity tests EN 61326 1 2013 Table 2 Phenomenon Test value Basic standard Performance criteria Electrostatic discharge EDS 4 kV Contact EN IEC 61000 4 2 B 8 kV Air Electromagnetic field EN IEC 61000 4 3 A 10 V m 80 to 1000 MHz 3 V m 1 4 to 2 0 GHz 1 V m 2 0 to 2 7 GHz Rated power frequency 30 A m 50 Hz 60 Hz EN IEC 61000 4 8 ...

Страница 6: ...iorized as follow Risk of death or sever injury if the safety instructions are not fol lowed In case of wrong handling probable injury or physical damage can happen Important instructions to be respected General observations concerning the product product handling and correct use of the transmitter CLASSIFICATION OF SAFETY INSTRUCTIONS DANGER INDICATION ATTENTION PRECAUTION ...

Страница 7: ...mperature and humidity Keep protection caps in place at the conduit connection and process connection Site at location with minimal vibration dust and corrosive gas Site at location large enough to allow mainte nance and checking Mount to a pipe horizontally or vertically Do not apply a pressure outside the specified range Besides the above be sure to observe the cautions given in this manual IMPO...

Страница 8: ...er 36 4 3 Span adjustment by the screw on the transmitter 37 4 4 Local adjustment with LCD display 38 5 Maintenance 41 5 1 Periodic inspection 41 5 2 Troubleshooting 42 5 3 Replacement of defective parts 43 5 4 Adjustment after replacement of amplifier or measuring cell 50 6 Installation and piping 51 6 1 Installation 51 6 2 Piping 65 7 Wiring 70 7 1 Wiring procedure 71 7 2 Power voltage and load ...

Страница 9: ...d in the transmission unit for making adjustments easily and exactly Transmitter settings such as range and damping time constant etc can be changed from an FXW communicator Hand Held Communicator The transmitter utilizes a unique micromachined capacitive silicon sensor with state of the art microprocessor technology to provide exceptional performance and functionnality The transmitter is compact ...

Страница 10: ...ut cable Zero adjustment screw Adjusts zero Refer to Section 7 Part name Description Analog indicator connector Used for connecting an analog indicator Digital indicator connector Used for connecting a digital indicator Indicator option Analog or digital indicator available Symbol Description Connects the output cable CK CK Used for checking the output or connecting an indicator An external termin...

Страница 11: ...scale External zero adjustment possible External zero adjustment impossible Digital indicato display Digital indicator proportional display output Proportional output Fixed current mode Measurement mode Sampling status Flicker Absolute pressure Gauge pressure Output value Zero Output value Zero a part of unit indicator ...

Страница 12: ...ection according to the Terminal block connection diagram shown in chapter 7 1 3 Vent the process covers of the transmitter Before starting up the transmitter in flameproof area please read carre fully the technical instruction note ATEX Ref HD FCX AII 002 The compatibility of process with the transmitter has to be checked and ensured by skilled people from customer side 4 Perform zero point adjus...

Страница 13: ...mitter is set inthe operating status 2 Operation of differential pressure transmitter Set the operating status by manipulating the manifold valve Open Open Stop valve on the LP side Stop valve on the HP side Equalizing valve Close Make sure the equalizing valve is open Open the stop valve on the HP side slowly Close the equalizing valve Open ...

Страница 14: ...ing instrument or HHC to check the operating status 3 3 Shutdown Follow the procedures Open Close Close the valve slowly to stop applying a pressure The transmitter is set in the measurement stop status 1 Absolute and gauge pressure transmitters FKG or FKA Check of operating status ...

Страница 15: ...ssure side HP side slowly Open the equalizing valve Close the stop valve on the low pressure side slowly Close Open Close Before a long shutdown discharge the process fluid and drain comple tely from the transmitter This is to protect the transmitter from freezing corrosion etc PRECAUTION ...

Страница 16: ...sition during the connection It can t be connected to the terminals CK and CK of the terminal block of the transmitter The HHC has no polarity You can connect either the red or black electrical wire to the ter minals or of the transmitter or on the wires of the loop HHC Hand Held Communicator 4 1 1 Connection of HHC The HHC can be connected in any point of the loop To communicate with the HHC a lo...

Страница 17: ... of a communication problem can be The 4 20 mA output is not powered The 4 20 mA is disconnected The connection between the amplifier unit and the measuring cell is wrong The loop resistance value doesn t correspond to the required one depending on the power supply The HHC is not connected to the correct terminals Configuration menus of the FXW communicator The configuration is based on different ...

Страница 18: ... Lock of adjustment functions Indication of digital indicator Programmable linearization function Rerange Set LRV URV calibration INC INC INC INC INC INC INC INC INC INC INC INC INC INC INC INC INC INC 1 TAG No 2 TYPE 3 SERIAL No 4 UNIT 5 RANGE LIMIT 6 RANGE 7 DAMPING 8 OUTPUT MODE 9 BURNOUT A CALIBRATE B OUTPUT ADJ C DATA D SELF CHECK E PRINT F XMTR EXT SW G XMTR DISPLAY H LINEARIZE I RERANGE 19 ...

Страница 19: ...key to display TAG N To make changes press the CHNG key and the cursor will be displayed under dis play 1 Set the alphanumeric keys as necessary under display 2 To set the alphabet press the CHNG ALHA key first Using keys cursor position can be moved Atthecompletionofsetting pressthe ENT key and a prompt is displayed check entry under display 2 If the entry is correct press the ENT key to input it...

Страница 20: ...y for changing the unit of industrial value 2 appears The desired unit of industrial value is se lectable by using INC or DEC under display 2 Display 3 is provided for confirming your change Display 4 is for registering the unit of industrial value UNIT CHANG 4 1 UNIT CHANGE kPa INC ENT CL 4 1 UNIT CHANGE CHNG OK ENT CL 4 1 UNIT WRITE INC 4 UNIT To menu No 5 RANGE LIMIT kPa CHNG NEXT MPa NEXT MPa ...

Страница 21: ... s kPa LRV URV CL URV psss skPa LRV psss s kPa LRV URV CL URV psss skPa LRV psss s kPa LRV URV CL URV psss skPa LRV psss s kPa URV psss skPa LRV psss s kPa URV psss skPa 2 6 2 RANGE CHANGE 3 6 2 RANGE CHANGE 4 CHNG OK ENT CL 6 2 RANGE CHANGE 5 6 1 6 RANGE LRV psss s kPa INC CHANGE 5 RANGE LIMIT sss kPa INC URV psss skPa Menu No4 UNIT To menu No7 DAMPING Output mA URV Maximum measuring range Input ...

Страница 22: ...eriod of time called damping value in sec The time constant τ is a fixed value related to the measuring upper range limit of a transmitter The response time corresponds to the time that the output signal takes to reach around 62 3 when a pressure is applied corres ponding 0 to 100 of span The response time takes in account the time constant and the dead time of the transmitter CHNG ENT CL 7 DAMPIN...

Страница 23: ...T MODE XMTR DP OUT LIN INC CHANGE 8 1 MODE CHANGE XMTR DP OUT LIN INC ENT CL 8 1 MODE CHANGE XMTR GP OUT LIN ENT CL 8 1 MODE CHANGE XMTR DP OUT SQR CHNG OK ENT CL 8 OUTPUT MODE XMTR GP OUT LIN INC CHANGE 8 2 MODE WRITE XMTR DP OUT SQR 8 3 LOW CUT POINT ss ss FLOW MODE oooooo CHANGE CL ENT CL 8 5 POINT WRITE ss ss FLOW 8 7 LOW CUT MODE 1 LINEAR 2 ZERO 1 2 CL 8 7 MODE CHANGE LINEAR CHNG OK ENT CL 8 ...

Страница 24: ...nt 3 2 to 3 8mA Saturation current 3 8 20 8mA Burnout direction CHNG 3 9 2 BURNOUT CHANGE CHNG OK ENT CL 4 5 6 2 9 BURNOUT NOT USED HOLD INC CHANGE 1 9 2 BURNOUT CHANGE Selection of burnout direction ex ENT CL CL CL CL CHNG CHNG ENT INC CL CL or or 2 1 3 3 9 1 BURNOUT 1 NOT USED 2 OVER SCALE 3 UNDER SCALE UNDER SCALE 9 4 BURNOUT CHANGE CL UNDER SCALE Y YmA 9 5 BURNOUT CL Saturate Current 3 8 20 8m...

Страница 25: ...onfirm the value by applying in key ENTER a The calibration LRV URV require a pressure generator with an better accuracy than the transmitter If the customer do not have this kind of pressure generator he should not use this menu but only the RANGE menu to make a ranging of the transmitter without applying a reference pressure The RANGE menu will always keep the factory calibration done with very ...

Страница 26: ...UTPUT MODE XX XXXmA CURRENT CONST CALB CHNG CL B 3 OUTPUT CALIB XX XXXmA CONST 0mA EXT mA ENT CL B 3 OUTPUT CALIB XX XXXmA CONST YY YYYmA EXT mA CHANGE OK ENT CL CHANGE CL B 2 OUTPUT MODE XX XXXmA CURRENT CONST B 4 OUTPUT XX XXXmA CONST YY YYYmA EXT mA CALIBRATING B 4 OUTPUT XX XXXmA CONST YY YYYmA EXT mA NOT CAL1B CL Input of XX XXXmA at Calibration impossible G OUT OTHERS B 1 OUTPUT SET 4 000mA ...

Страница 27: ...yed when output mode is square root extraction mode flicker is displayed when the communica tion between transmitter and HHC is normal HHC is not used for 10 minutes CHNG INC CHNG ENT INC ENT Temperature alarm is displayed INC CL Trouble in transmitter E PRINT D 2 SELF CHECK TEMP C CL D 2 SELF CHECK CELL FAULT C1 CL INC D 2 SELF CHECK ALM CHECK GOOD CL D 2 SELF CHECK TEMP C TEMP ALARM CL Contents ...

Страница 28: ...h Printer Unit ENT ENT Time Hour Minute Set Year Month Date F XMTR EXT SW The zero adjustment function can be locked by the transmitter adjust screw When pressing 1 INHIBIT under display 2 the external switch lock function is acti vated and it is released when pressing 2 ENABLE Lock of adjustment function 2 F 1 XMTR EXT SW F 2 XMTR EXT SW CHANGE 3 F 2 XMTR EXT SW CHANGE 4 1 INHIBIT ENT INHIBIT INC...

Страница 29: ...PLAY X XX XXX XX YYYY INC CHANGE G XMTR DISPLAY pYYYYYY pZZZZZZ UUUUUUU INC CHANGE G 1 DISP CHANGE 1 DISPLAY 2 ACTUAL DISP 1 2 CL G 2 DISP CHANGE 1 LIN 2 FLOW 1 2 CL pYYYYYY XMTR DISPLAY at 4mA pZZZZZZ XMTR DISPLAY at 20mA UUUUUUU XTMR DISPLAY UNIT 1 2 1 2 2 3 4 5 6 7 8 9 10 1 4 G 4 DISP CHANGE X XX XXX XX LIN CHNG OK ENT CL 4 INC ENT INC CHNG CL 1 1 2 3 1 2 CL CL CL CHNG or or Note 1 Note1 0 00 1...

Страница 30: ...UUUUUU oooooo CHNG ENT CL 18 17 CL ENT INC G 5 DISP CHANGE DispUNIT UUUUUUU NEXT XXXXXXX INC ENT CL 17 16 CL G 4 DISP CHANGE 1 PRESS 3 FLOW 2 LEVEL 1 2 3 CL 14 G 2 DISP CHANGE LRV 4mA pYYYYYY URV 20mA pZZZZZZ SET OK ENT CL 11 CL 15 G 2 DISP CHANGE LRV 4mA pYYYYYY URV 20mA pZZZZZZ SETTING ERR CL 13 11 12 CL URV ENT G 2 DISP CHANGE LRV 4mA pYYYYYY URV 20mA pZZZZZZ ENT URV CL 1 PRESS a 18 17 CL ENT I...

Страница 31: ... steam or gas in flow measurement application Functions for LINEARIZE are available for FXW Version 6 0 and upward By pressing INC at display of 2 the display is shifted to the setting of LINEARIZE POINT 3 Press CHNG at display of 3 and input POINT XX to be compensated Then press ENT and the display will be shifted to 5 Press INC at display of 5 and the display will be shifted to y for selection o...

Страница 32: ... ENT is pressed at display of 17 the following is displayed Requirement of setting 100 CV1 CV2 CV14 100 H 2 LINEARIZE POINT 0 SETTING ERR CL H 3 LINEARIZE POINT 15 POINT SET SETTING ERR CL H 5 LINEARIZE CHANGE LPM 150 01 SETTING ERR CL H 5 LINEARIZE CHANGE CVM 100 01 SETTING ERR CL Before performing the LINEARIZE setting set either of the following equations in the OUTPUT mode Menu No 8 and XMTR D...

Страница 33: ...6 and press ENT at display of 7 while applying a corresponding pressure In this way the measurement range can be changed to the input corresponding to that pressure Note The unit of LRV URV at 5 and 8 are displayed in the unit selected by Menu N 4 UNIT I 2 RERANGE 6 ENT CL INC 2 3 4 1 CL CHNG CL CL LRV URV I RERANGE INC CHNG I 1 RERANGE LRV URV CL URV 100 00 CL ENT I 3 RERANGE CHANGE CHNG OK ENT C...

Страница 34: ...rent Upper limit value Burnout current OVER SCALE 21 6mA Burnout current is settable according to 9 Burnout direction and value Change of the specification Existing specification or enhanced specification is selectable Refer to J 3 in J Saturation current value and specification of a local configurator unit with LCD display for details 1 CL J SATURATE CUR 1 SAT LO Y YmA 2 SAT HI YY YmA 3 SPEC XXXX...

Страница 35: ...ITE PROTCT PASSWORD XXXXXXXX CHNG OK ENT CL 5 K 4 WRITE WRITE PASSWORD XXXXXXXX WRITE ERROR CL 6 1 INC K WRITE PROTCT WRITE PROTECT XXX INC If error of PASSWORD ENT WRITE PROTECT Possible to switch ON OFF INC DEC ENT CL INC ENT CL CL 1 CL INC Menu No L INC CHANGE CHNG CL 2 7 If PASSWORD is correct K WRITE PROTECT WRITE PROTECT XXX INC CHANGE After keying PASSWORD 1 CL K 2 WRITE PROTCT OLD PASSWORD...

Страница 36: ... is an example of Mode setting switch is attached 1 Set the mode setting switch to zero position Mode setting switch Set switch to zero for zero calibration 2 Apply standard input pressure corresponding to new Lower Range Value 3 Adjust output to 4mA by turning the outside screw Note 1 If the transmitter is locked it can t be adjusted by the external adjustment screw 2 When a digital indicator is ...

Страница 37: ... zero again and make sure output is 4 mA Note 1 If the transmitter is locked it can t be adjusted by the external adjustment screw 2 When a digital indicator is attached to the transmit ter make sure that the LCD lamp ZERO is ON INDICATION 4 3 Span adjustment by the screw The measuring range for each transmitter is determinated according to its type Span is changed by the outside screw with the mo...

Страница 38: ...ent 12 mA fixed current 20 mA fixed current Proportional to flow Proportional to flow Position of switch 0 1 2 3 4 5 6 7 Functionsofexternaladjust ment screw Zero Adjustment Span Adjustment Locking of function Adjustment fixed current Adjustment fixed current Adjustment fixed current Span Adjustment Locking of function Gauge and Absolute pressure transmitter model FKG FKA Proportional to pressure ...

Страница 39: ... is no interference between zero adjustment and span adjustment 3 1 Zero adjustment Change Lower Range Value Zero point of the transmitter is adjustable by the external adjustment screw with the mode setting switch set at 0 position 1 Check if ZERO is on the LCD indicator If not lit set the mode setting switch to 0 position 2 Apply standard input pressure corresponding to new Lower Range Value 3 A...

Страница 40: ...g adjustment Damping is adjustable in 8 steps The damping constant becomes larger in the order of 0 1 2 3 and 4 These damping constant correspond to time constant 0 0 3 0 6 1 2 2 4 4 8 9 6 19 2 seconds for the transmission unit regardless of span The relationship between position of switch and time constant are indicated in table 2 Note The damping constant above is a time constant applied to the ...

Страница 41: ... and the process connections as often as required Check and possible clean all wetted transmitter parts see parts list to make guarantee the chemical resistance of the wetted parts In the case of corrosion find out the reasons of the corrosion and replace and adapt the concerned parts or replace the complete transmitter with an adapted one Please follow the replacement procedure of the mea suring ...

Страница 42: ... faulty cable insulation etc and repair as needed For power supply voltage and load resistance refer to 7 2 For intrinsically safe installations the power supply voltage should be 16 1 to 26V DC Readjust according to chapter 4 Replace the electronics unit according to 5 3 Correct wiring according to 7 1 Make arrangement to obtain proper values For power supply voltage and load resistance refer to ...

Страница 43: ...installing the electronics unit make sure that the zero adjust screw end is in front of the groove in the amplifier unit Replace first the amplifier unit to find out if the failure reason comes from the amplifier unit or the measuring cell Run the function Self Check with the HHC to find out the faulty part When the failure is detected please replace the concerned part Refer to the spare parts dra...

Страница 44: ...housing and the cell neck are not damaged Assemble measuring cell and electronics housing Tighten the 2 screws 5 Connect each connector of the electronics unit and attach it to the transmission unit 6 After connecting all the connectors assemble the amplifier unit in the electronics housing Ensure that replacement detector unit has the same specification as the original by comparing nameplates Whe...

Страница 45: ...After disassembly replace the faulty part with a new ones 4 Before reassembling clean carefully the O ring groove of the process cover with a soft cloth immersed with water alcohol Freon TF or similar 5 Reassemble the detecting unit by reversing the disassembling procedure Please check the correct position of the process covers to avoid that the diaphragms of the measuring cell are damaged The tor...

Страница 46: ... different cells please refer to the technical datasheets of the concerned transmitter 1 Remove four hexagon sockets head bolts with a torque wrench etc 2 Disassembly gives access to the casing cover O ring or gasket and hexagon socket head bolts 3 After disassembly replace the faulty part with a new one 4 Before reassembly clean the O ring face of casing cover with the soft cloth immersed in wate...

Страница 47: ...ith a new one 4 Before reassembly clean the O ring face of casing cover with the soft cloth immersed in water alcohol or similar 5 Reassemble the detecting unit by reversing the disassembling procedure The casing cover should be assembled carefully so as not to damage the seal diaphragm Tightening torque should follow the table below In case of level transmitter FKE Bolt size Bolt material Tighten...

Страница 48: ...ector extending from the analog indicator 4 Connect the connector of a new analog indicator to the electronics section See the figure below 5 Then mount the analog indicator at the electronics section 6 Assemble the electronics housing cover Replacement of the analog indicator Analog indicator Transmitter cover ...

Страница 49: ...ndicator you need not remove the connector pin 4 Connect a new digital indicator and connector pin to the amplifier unit 5 Fasten the digital indicator to the electronics section by tightening two fixing screws Digital indicator Digital indicator mounting board Transmitter cover Replacement of the digital indicator Digital indicater plugin port Pin plug Before tightening make sure a small recess o...

Страница 50: ...s unit including replacement of internal parts Step Adjustment item Page 1 Constant current output output circuit 29 30 Digital Analog 2 TAG N 19 3 Type of transmitter 19 4 Unit 20 5 Adjustment of the zero and span 21 6 Calibration of the zero and span adjustment 25 7 Damping 22 8 Output mode LIN 23 9 Burnout 24 10 Lock of adjustment local function 28 2 After replacement of detecting unit includin...

Страница 51: ...cess Span Static Technical temperature temperature limit pressure datasheets limit limit limit Differential 40 to 85 C 40 to 120 C 10 mbar 1 to 32 bar pressure 60 mbar 1 to 100 bar 320 mbar 1 to 160 bar option 420 bar EDSF6 114 1300 mbar 1 to 160 bar option 420 bar 5000 mbar 1 to 160 bar option 420bar 30000 mbar 1 to 160 bar option 300 bar Gauge 40 to 85 C 40 to 120 C 1 3 bar 1 3 bar Pressure 5 ba...

Страница 52: ... the bracket on the transmitter as shown below Bracket mounting Mounting The transmitter is heavy Be careful when handling it The indicated installation and the wiring conditions of the transmitter must be strictly followed A wrong manipulation can be the reason of a disfunction of the transmitter During installation make sure that no part which could be the reason of the dis function or a danger ...

Страница 53: ...n attach the cover with window Indicator attached to terminal block side 5 Attach the cover Pin plug Attachment Studs The analog indicator can be assembled on the amplifier side or on the terminal block side The digital indicator can only be assembled on the amplifier side Please follow the instructions to remove the analog indicator from the amplifier side to assem ble it on the terminal block si...

Страница 54: ...r than 90 or if the position is already amended since the delevery by Fuji it s necessary to remove the electronic unit from the housing and disconnect the flat cable from the electronic measur ing cell before turn the housing If the transmission unit has been turned excessively without removing the electronics unit straighten the flat cable which connects the electronics unit in the transmission ...

Страница 55: ...tate check adjustment etc Grasp the hexagon part of vent drain plug and rotate it to remove Bind vent drain plug s thread with new seal tape and mount vent drain plugs to new process connections Tightening torque 25N m 2 5kgf m 18ft lb 500 500 Check space Change of vent drain plug position ...

Страница 56: ...mounting bolt should be 30 to 40 N m 3 to 4 kgf m 2 If a manifold valve is not used the impulse pipes can directly be screwed into the trans mitter If thread size does not match between the transmitter and impulse pipes an oval flange should be used Tightening torque of 7 16 20UNF mounting bolt in an oval flange should be 30 to 40 N m 3 to 4 kgf m Position of process taps horizontal main process p...

Страница 57: ... case of gas Place the transmitter above the differential pressure source 4 Pressure measurement in case of liquid Zeropointcanbecheckedwithamanifoldvalve installed 3 Flow measurement in case of steam Set two condensers at the same height near the process tap Fill the line between the condensers and transmitter with condensed water Install a drain port as required 2 Flow measurement in case of liq...

Страница 58: ...ghest liquid level tapping of tank with the low pressure side of transmitter and the lowest liquid level tapping of tank with the high pressure side of transmitter Level calculation formula LRV ρH2 ρ0 H1 URV ρH2 ρ1 h ρ0 H1 Span P ρ1 h LRV Low limit of measurement 0 point URV High limit of measurement 100 point ρ0 ρ ρ1 Density H1 H2 Liquid level h Liquid level change 2 In case of dry leg For an ope...

Страница 59: ...g installation avoid mechanical constrains of the transmitter connections In case of external degradation corrosion overflow shock etc or in case of fire the concerned transmitter must be checked before commissioning To avoid the deterioration of the transmitter mounted externally it will be mounted in a box protection The transmitter should never be exposed to fire In case of fire the transmitter...

Страница 60: ...ansmitter is fitted with a protective cap Before piping remove the cap carefully When removing the cap carefully protect the threaded portion and sealing face from damage Connection of transmitter and impulse pipe Impulse pipe should be connected with an oval flange Also the pipe can directly be screwed into the transmitter Tightening torque of 7 16 20UNF mounting bolt in an oval flange should be ...

Страница 61: ...ain when impulse pipes can t be inclined The impulse pipes used should be suitable for the working temperature pressure standards During installation avoid mechanical constrains of the transmitter connections In case of exte rnal degradation corrosion overflow shock etc or in case of fire the concerned transmitter must be checked before commissioning To Avoid the deterioration of the transmitter m...

Страница 62: ...e When mounting the flange on the high pressure side a gasket should be inserted as follows L H Gasket Transmitter flange Process side flange Minimum internal diameter of non projection type gasket Flange size Ø diaphragm seal mm DN80 3 Stainless steel 73 special material 89 DN100 3 Stainless steel 96 special material 89 For others flanges consult Fuji Electric France The seal must be chosen accor...

Страница 63: ...r in order to prevent foreign materials from entering the inside Typical examples of piping 1 Level measurement on open tank Leave the low pressure side of transmitter open to atmosphere Level calculation formula LRV ρH1 URV ρ H1 h Span P ρh LRV Low limit of measurement 0 URV High limit of measurement 100 ρ Measuring liquid density H1 Liquid level h Liquid level change 2 Level measurement on close...

Страница 64: ...elow In order to prevent vibration of the transmitter body and capillary from interfering with output the transmitter body should be installed at a vibration free place and the capillary should be fixed to a stable support Do not shock the seal diaphragm by hitting hard object against it for example Do not apply an excessive force to the flange during connection Freeze protection When the measurin...

Страница 65: ...gh pressure side a gasket should be inserted as fol lows The seal must be chosen according type flange mounted on the transmitter The internal diameter must be greater or equal the diaphragm seal to not press it and effect the measure When measuring a highly corrosive process fluid be carreful about corrosion that may occur if the fluid leaks past wetted parts Minimum internal diameter of non proj...

Страница 66: ... low pressure side of transmitter and the low liquid level tapping of tank to the high pressure side of transmitter Level calculation formula Zero h ρ ρ E Span h ρ ρ E h LRV Low limit of measurement 0 URV High limit of measurement 100 ρ Measuring liquid density ρ Seal liquid density The transmitter body should be installed below any pressure receiving unit This is mandatory where process pressure ...

Страница 67: ...a vibration free place and the capillary should be fixed to a stable support For minimizing the influence by a difference in the ambient temperature the capillaries on the high and low pressure sides should be laid together Do not shock the seal diaphragm by hitting a hard object against it for example Water head pressure due to difference in the height of flange When there is a difference h in fl...

Страница 68: ...greater or equal the diaphragm seal to not press it and effect the measure When measuring a highly corrosive process fluid be carreful about corrosion that may occur if the fluid leaks past wetted parts Minimum internal diameter of non projection type gasket Flange size Ø diaphragm seal mm DN80 3 SS 73 Special material 89 DN100 3 ISS 96 Special material 89 For others flanges consult Fuji Electric ...

Страница 69: ...he transmitter below the remote seal s it be comes necessary if process pressure is less than atmospheric pressure In order to prevent vibration of the transmitter body and capillary from in terfering with output the transmitter body should be installed at a vibration free place and the capillary should be fixed to a stable support 3 Level measurement on opened tank H1 must be more than half of th...

Страница 70: ...ll be made in accord ance with the relevant regulations to ensure the explosion proofing Improper wiring can cause a risk of explosion fire and other serious acci dents Cautions on wiring DANGER Before making wiring work be sure to turn OFF the main power to prevent electrical shocks Use wiring materials of correct rating to prevent fire incidents Use correct power source that meets the specificat...

Страница 71: ...ndicator to CK and CK of the transmitter as shown below Use an external field indicator with internal resis tance of 12Ω or less 7 1 Wiring procedure Sealing of conduit connection Use sealing tape if using metal pipe screw coupling or rubber gasket and fastening gland in the case of cable to ensure airtightness of the connection box 1 If the connection box is located above the transmitter when usi...

Страница 72: ...d to the loop is within the range shown below Note For Smart type to communicate with the Hand Held Communicator HHC mini of 250Ω is required The unused conduit connection is of great importance to flame proof ing and moisture prevention So be sure to tighten the flush screw and packing into the connection When performing an insulation check after wiring use a Megger insu lation resistance meter o...

Страница 73: ...tion By any of the methods given below ground the transmitter in compliance with the relevant stipulation in the standard on explosion proof installation for example grounding resis tance 100 Ω or less by one of the methods given below 2 Hazardous location use In case of intrinsically safe and flame proof installation be sure to use the ground terminal for grounding Grounding of transmitter casing...

Страница 74: ...on with panel mounting type arrester type PXC for distributor protection Grounding Since transmitter and arrester groundings are internally connected together user have only to connect the external grounding terminals to ground Grounding terminal must be used in case of the explosion proof or intrinsic safety type trans mitter Transmitter with arrester Panel mounting type arrester PXC Distributor ...

Страница 75: ...ured values have a difference of 0 1 0 016mA or more the arrester is not functioning In the above case the arrester unit terminal unit should be replaced with a new one Limitation of insulation resistance and dielectric strength test An insulation resistance and dielectric strength test should be avoided as a rule since it may damage the arrester Output measurement at check terminals CK and CK Out...

Страница 76: ...high an accuracy as possible 0 05 mini Measurable ranges are listed in the table below Power supply DC power supply 24 V DC or Fuji Electric FCX series power supply unit Load resistor Standard resistor 250Ω within 0 0125Ω Measuring device Digital voltmeter capable of measuring transmitter output with an accu racy better than 0 1 Use meter having a 5 digit display Hand Held Communicator HHC type FX...

Страница 77: ...er to pages 32 and 33 3 Zero span adjustment refer pages 30 31 and 34 4 Accuracy test Apply input pressures in the order of 0 25 50 75 100 75 50 25 and 0 and read output at each input pressure Make sure the difference between each output value and input pressure is within the accuracy rating listed in the table below The voltage values in the table are dependent on use of DC power supply standard ...

Страница 78: ...ould be set in factory when ordering note 2 Digital indicator scale Could be set in factory 9th digit of code symbol when ordering 4 Cut point 7 07 square root extraction mode setting 5 Mode below cut point linear square root setting 6 Burnout Could be set in factory when ordering note 3 7 Lineariz function Invalid Note 1 For span adjustment HHC should be used and can also be used for zero adjustm...

Страница 79: ...68 66A 100 101 66A 64A 80A 62 66A 61 60 61 68 62 66A 31A 40 39 42 10 6 5 5 3A 1A 24A 20A 11A 13A 2A 80A 65 64 64A 12 28 12A 12 FKG FKC For more details about these parts refer to our website www fujielectric fr or contact our office ...

Страница 80: ......

Страница 81: ......

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