Fuji Electric FCX-AIV Series Instruction Manual
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Fuji Electric FCX-AIV Series Instruction Manual

Fuji Electric FCX-AIV Series Instruction Manual

Pressure transmitters with safety functions
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Instruction Manual
FCX-AIV
Pressure transmitters
with safety functions
Standard process covers
FKC, FKG, FKA
Direct mount
FKP, FKH
With remote seal
FKE, FKD, FKB, FKM, FKP, FKH
INF-TN6FCXA4b-E
Fuji Electric France S.A.S.
DATE
July 18 2023

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Summary of Contents for Fuji Electric FCX-AIV Series

  • Page 1 Instruction Manual FCX-AIV Pressure transmitters with safety functions Standard process covers FKC, FKG, FKA Direct mount FKP, FKH With remote seal FKE, FKD, FKB, FKM, FKP, FKH INF-TN6FCXA4b-E Fuji Electric France S.A.S. DATE July 18 2023...

  • Page 3: Introduction

    INTRODUCTION Thank you very much for purchasing FCX-AIV series of pressure transmitters with safety functions. Read this manual carefully before proceeding with the installation, commissioning and maintenance of the FCX-AIV transmitters. • Transmitter specifications are subject to change without prior notice for product improvements.

  • Page 4: Transmitter Identification

    M.W.P ⑦ Ser.No. ⑪ IP66/67 338B365 Assembled in France (F-63039 Clermont-Ferrand) Fuji Electric France S.A.S. Tag No: TAG number ① Model: Model code ② Range: Calibrated range and/or maximum cell measuring range ③ Power Supply: Power supply range or maximum value (may depend of the type of approval) ④...

  • Page 5: General Recommandations

    GENERAL RECOMMENDATIONS 1. Storage for a long period: Store the transmitter in a dry room with normal temperature and humidity. Keep protective caps in place at electrical conduits and process connections. 2. Select the appropriate place for installation: The location of the on-site installation should provide a minimum level of vibrations and limitation of exposure to dust and corrosive atmospheres.

  • Page 6: General Safety Instructions

    • Keep away the magnetic stick from devices or items sensitive to magnetic fields. 4. Safety Instrumented Systems FCX-AIV series of pressure transmitters are certified SIL 2 (HFT=0) and SIL 3 (HFT=1) according to IEC 61508 and IEC 61511 standards.

  • Page 7: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION P. 1 TRANSMITTER IDENTIFICATION P. 2 GENERAL RECOMMANDATIONS P. 3 GENERAL SAFETY INSTRUCTIONS P. 4 TABLE OF CONTENT P. 5 1. PRODUCT OVERVIEW P. 6 1.1 Amplifier unit and junction box 1.2 Items displayed by the optional local indicator 1.3 Operating modes of the local display with configuration switches 2.

  • Page 8: Product Overview

    PRODUCT OVERVIEW The FCX-AIV series of pressure transmitters accurately measures a differential, gauge or absolute pressure, and converts it into a proportional 4-20 mA output current . In its differential architecture the FCX-AIV pressure transmitter can be used for flowrate, level and density measurements.

  • Page 9: Amplifier Unit And Junction Box

    PRODUCT OVERVIEW 1.1 Amplifier unit and junction block Jonction block Amplifier unit LCD unit connector Zero/Span selection switch Process connection Write Enable/Disable setting switch Amplifier unit Detecting unit Indicator Display and settings Display only Vent/drain plug Adjustment screw Amplifier unit Item Description LCD unit connector...

  • Page 10: Items Displayed By The Optional Local Indicator

    PRODUCT OVERVIEW 1.2 Items displayed by the optional local indicator Square root mode Write protect (4-20 mA output and display) PV value Zero or span Engineering unit adjustment mode Item When displayed When not displayed The displayed value is The displayed value is in engineering units a percentage of the span ZERO External zero adjustment is possible...

  • Page 11: Operating Modes Of The Local Display With Configuration Switches

    PRODUCT OVERVIEW 1.3 Operating modes of the local display with configuration switches Push-button Push-button Push-button Push-button Magnetic switch Magnetic switch Magnetic switch Magnetic switch Push-button Push-button Magnetic switch Magnetic switch MODE Push-button Magnetic switch MODE Push-button Magnetic switch MODE Push-button Magnetic switch Normal mode (the transmitter is performing measurements) Blinking...

  • Page 12: Installation And Piping

    INSTALLATION AND PIPING DANGER WARNING If the transmitter is to be stored before the installation, INDICATION leave it packed in a room with normal temperature and humidity (25°C [77°F], 60% RH). CAUTION 2.1 Installation During the unpacking of the transmitter, check the conformity of the transmitter and all the accessories. Before installation, the customer must check the compatibility of the wetted parts with the application.

  • Page 13: Pipe Mounting

    INSTALLATION AND PIPING Bracket Transmitter • Gauge and absolute direct Plain washer mount type pressure transmitters Spring washer (FKP and FKH models): Mounting bolt (M4×10) Adaptor (Option) U-Bolt 2.1.2 Pipe mounting • Standard process cover type (FKC, FKG and FKA models): •...

  • Page 14: Flanged Mounting (Rigid Assembly)

    INSTALLATION AND PIPING 2.1.3 Flanged mounting (rigid assembly) • Transmitters with remote seal Transmitter can be designed with a flanged Spring washer Plain washer rigid assembly, FKE level transmitter. Flange bolting and gasket are not provided with the transmitter. Bolt 2.1.4 Wall mounting •...

  • Page 15: Space Around The Transmitter

    INSTALLATION AND PIPING 2.3 Space around the transmitter Make sure there is enough space around the transmitter to facilitate wiring and maitenance. Unit: mm 2.4 Change the position of the vent/drain plug Unscrew slowly the vent/drain plug. Clean the thread and reapply sealing tape (4 turns, 1/10 mm tickness) before screwing the vent/drain plug back on.

  • Page 16: Piping

    INSTALLATION AND PIPING 2.5 Piping For optimal operation and measurment, the connection to the process piping must respect the following rules: 1. For liquid or steam monitoring, the transmitter must be installed below the process piping. 2. For gas monitoring, the transmitter must be installed above the process piping. All parts, including transmitters, valves and manifolds, to be connected to the process line must be selected to comply with DANGER...
  • Page 17 INSTALLATION AND PIPING Positions of the process connection: The position of the fittings to the process pipe depends on the nature of the process. Please refer to the drawings below for further details for gas, liquids and steam measurment. Liquid Steam Main process piping Upper...

  • Page 18: Gauge And Absolute Pressure Transmitters (Models Fkg And Fka)

    INSTALLATION AND PIPING • Level measurement: The reference column is filled Connect the high level connection of the tank to the low pressure connection of the transmitter, and the low level connection of the tank to the high pressure connection of the transmitter. The reference column (connected to the high level connection) must be filled with fluid.
  • Page 19 INSTALLATION AND PIPING Positions of the process pipe connections: The position of the fittings to the process pipe depends on the nature of the process. Please refer to the drawings below for further details for gas, liquids and steam measurment. Liquid Steam Main process piping...

  • Page 20: Direct Mount Pressure Transmitters (Models Fkp And Fkh)

    INSTALLATION AND PIPING 2.5.3 Direct mount pressure transmitters (models FKP and FKH) Positions of the process connection: The position of the fittings to the process pipe depends on the nature of the process. Please refer to the drawings below for further details for gas, liquids and steam measurment. Liquid Steam Main process piping...

  • Page 21: Remote Seal Type Pressure Transmitters (Models Fke, Fkd, Fkb And Fkm)

    INSTALLATION AND PIPING General recommendations for impulse piping: • For liquids, the impulse pipes should have a downward slope of 1/10 or more from the process connection to the pressure transmitter to prevent the accumulation of gas DANGER bubble in the measuring chamber. WARNING •...
  • Page 22 INSTALLATION AND PIPING DANGER WARNING Please refer to FCX-AIV FKE pressure transmitter INDICATION datasheet for further details on selection of flange type and wetted materials. CAUTION Level measurement on an open tank: The low pressure side of the FKE transmitter is left at atmospheric pressure. Level calculation formula: LRV= ρ...
  • Page 23 INSTALLATION AND PIPING DANGER WARNING • H1 must be greater than half the diameter of the measuring diaphragm. Otherwise measurement will not be linear until INDICATION the diaphragm is completely immersed. • When handling the transmitter, be carreful to not shock CAUTION or scratch the measuring diaphragm or the flange gasket surface.
  • Page 24 INSTALLATION AND PIPING Level measurement in a closed tank: The level measurement using a differential pressure transmitter allows to compensate the static pressure effet in a closed tank. Level calculation formula: Max. liquid level ρ LRV= ρH1 - ρ'D Min. liquid level URV= ρ...
  • Page 25 INSTALLATION AND PIPING • Gas measurement: Pressure receiving unit Locate the process connection above the process pipe Stop valve Atmospheric Process tap air leak valve Transmitter Pressure source • Liquid measurement: Process tap Locate the process connection Pressure receiving unit below the process pipe Stop valve Atmospheric air leak valve...

  • Page 26: Wiring

    WIRING Potentially explosive atmosphere: DANGER For flameproof protection mode, never open the transmitter on site while it is powered. WARNING INDICATION • The application of a voltage greater tha 60 Vdc or 40 Vac CAUTION (33 Vdc or 23 Vac with the optionnal arrester) DANGER between the "+"...

  • Page 27: Electrical Conduit

    WIRING 3.2 Electrical conduit Two electrical conduits are available on the FCX-AIV pressure transmitters. According to the factory default configuration, a threaded plug is intalled on one of the two electrical conduits as shown below. Threaded plug Depending on the desired side for the cable entry, the cap can be unscrewed and installed on the opposite side.

  • Page 28: Power Supply And Load Resistance

    WIRING 3.3 Power supply and load resistance A load resistance is required to communicate through the HART communication protocole. The diagram below shows the relationship betwen the possible value of the load resistance and the power supply voltage. 1533 Communication with a HART device requires a resistor of 250 Ω...

  • Page 29: Commissioning And Shutdown

    COMMISSIONING AND SHUTDOWN 4.1 Preliminary verifications Before commissioning the transmitter, please proceed with the following verifications: • Check for liquid or gas leacks at the process connections. • For liquid processes, purge the measuring chamber of the pressure cell. • For flameproof protection mode, make sure that both transmitter covers are securely tightened and the locking bracket is in place.

  • Page 30: Shutdown

    COMMISSIONING AND SHUTDOWN 4.3 Shutdown 4.3.1 Differential pressure transmitter: Close Open Close 1. Slowly close the stop valve on the high pressure side. 2. Open the equalizing valve. 3. Slowly close the stop valve on the low pressure side. 4.3.2 Gauge and absolute pressure transmitters: Slowly close the stop valve.

  • Page 31: Transmitter Settings

    TRANSMITTER SETTINGS 5.1 Using the external adjustment screw DANGER WARNING To be effective, the exertnal adjustment screw Decrease INDICATION must not be inhibited (please refer to the menu "F.LOCK" of the LCD display) CAUTION The external adjustment screw allows to locally adjust the zero and span of the transmitter. Increase Fine adjustment : Turn slowly (approximately 5 sec per turn)

  • Page 32: Span Adjustment

    TRANSMITTER SETTINGS The graphic below shows the possibility to perform a zero elevation or zero suppression within the range of the pressure cell. Max Span Output signal Min Span Min Span Max Span -100% +100% (4mA) Zero elevation Zero suppression Input signal %URL 5.1.2 Span adjustment...

  • Page 33: Using The Local Indicator

    TRANSMITTER SETTINGS 5.2 Using the local indicator Potential explosive atmosphere: DANGER For flameproof protection mode, never open the transmitter on site while it is powered. WARNING The figure below shows the optional local indicator with push-buttons and magnetic switches. INDICATION CAUTION Pusch-button Pusch-button...

  • Page 34: Menu List

    TRANSMITTER SETTINGS 5.2.1 Menu list The table below shows the available menus of the local indicator. Item Item name Description Note (large classification) TAG No. Display and setting of the TAG number (*1) Model code TYPE Display the type of transmitter and setting of the Model Code (*1) 3-1.

  • Page 35: Switching Menus

    TRANSMITTER SETTINGS 5.2.2 Switching menus • Press the M key for a few seconds to switch from the normal mode to the setting mode. • Press the + or - key to navigate in the main menus list. • Press the M key to enter in a main menu. •...

  • Page 36: Operating Procedure

    TRANSMITTER SETTINGS 5.2.3 Operating procedure Menu 1. TAG Up to 26 alphanumeric characters can be enterred to set the TAG number: • Press the M key on the screen ① to display the TAG. Number setting (②). • Input alphanumeric characters as required ①...
  • Page 37 TRANSMITTER SETTINGS Menu 2. TYPE (Model Code) The model code of the transmitter is displayed and can be modified (example for a differential pressure transmitter). • Press the M key on the screen ① to display the model code (②). ①...
  • Page 38 TRANSMITTER SETTINGS Menu 3. S/N & Software version SERIAL number (8 characters) and software version are displayed. 3-1 SERIAL N: Display of Serial Number • Press the M key on the screen ① to ① ② display the SERIAL N (②). Note: Characters other than numerical characters, capital letters of the alphabet, space, and “–”...
  • Page 39 TRANSMITTER SETTINGS Menu 4. UNIT • This main menu allows to display and modify the engineering unit used with the HART communication (Primary Variable value). • On the menu ''4. UNIT" press the M key to display the current engineering unit (②) . ①...
  • Page 40 TRANSMITTER SETTINGS Menu 6. Measuring range (LRV, URV) LRV: Lower Range Value (0% point) URV: Upper Range Value (100% point) Selectable setting range: ZERO Output (mA) ① ② Reverse output Direct output Input LRV LRV Maximum measuring range ZERO Note: ③...
  • Page 41 TRANSMITTER SETTINGS 6-2. URV: Change the upper limit of the measuring range (100% = 20 mA output) • Press the M key on the 6-2 menu (①) to display and modify the current URV setting (②) ."Span" is diplayed on the right of the SPAN display.
  • Page 42 TRANSMITTER SETTINGS Menu 7. dAMP (Damping) In the case where the input fluctuation of the process or the vibration of the installation is important, it is necessary to set an appropriate damping time to avoid the output fluctuation. • Press the M key on the screen ① ①...
  • Page 43 TRANSMITTER SETTINGS Menu 8. Output mode For differential pressure transmitters only, the output mode is used to select either the linear mode (proportional to input differential pressure) or the square root extraction mode (proportional to a flow rate) to be applied on the 4-20 mA output signal.
  • Page 44 TRANSMITTER SETTINGS 8-3. CUT Md : Low cutoff mode setting There are two modes : - Linear return to zero of the output between the cutoff point and zero diferential input (fig A). - Direct return to zero of the output once the cutoff point has been reached (fig B).
  • Page 45 TRANSMITTER SETTINGS Menu 9. Burnout settings Used for selecting the direction of the output at occurrence of a fault detected by the transmitter. 9-1. bURNoT: Change the burnout direction UNDER → UNDERSCALE ① ② OVER → OVERSCALE HOLD → Output hold •...
  • Page 46 TRANSMITTER SETTINGS 9-3. UNDER : Set the burnout current to UNDERSCALE This display appears if you select “UNDER” for the burnout direction. • Press the M key on the screen ⑧ to display the screen for changing the burnout current for UNDERSCALE (⑨).
  • Page 47 TRANSMITTER SETTINGS Menu A. Zero & span calibration This menu gives the possibility to calibrate Zero (LRV) and span (URV) of the transmitter. Lighting According to the settings in the menu 6: Measuring range'. Please use the menu A (calibration) only when the LRV and URV have Lighting ZERO been defined in the menu 6.
  • Page 48 TRANSMITTER SETTINGS A-2. Span: URV calibration • Press the M key on the screen ⑥ to select the span calibration mode. Lighting The measured value and the unit on the screen ⑦ are the same as those in the normal Lighting SPAN mode.
  • Page 49 TRANSMITTER SETTINGS Menu B. Calibration of the 4-20 mA output This menu allows to check or calibrate the 4-20 mA analog output (Digital to Analog Converter Lighting section).This operation requires a précision ammeter ( ± 1 μA) wired according the section ①...
  • Page 50 TRANSMITTER SETTINGS Menu D. Self-diagnosis The self-diagnosis menu displays the internal temperature of the transmitter and diagnostic results. d-1. AMPTM: ① ② Amplifier temperature • Press the M key on the screen ① to display the internal temperature of the transmitter (②).
  • Page 51 TRANSMITTER SETTINGS Error Message Error Code 4-20 mA output status when an Cause Remedy Displayed Displayed on alarm occurs on the center the bottom of of the LCD the LCD FL-1 0101 FL-1 0102 Sensor value abnormality. Check the wiring between the amplifier and Burnout Detector circuit abnormality.
  • Page 52 TRANSMITTER SETTINGS FL-1 0415 FL-1 0416 Check state of recovery by turning Burnout Transmitter processing FL-1 0417 the power supply OFF and ON. (Default value 3.6 mA) sequence error. Replace the transmitter if it cannot be fixed. FL-1 0418 FL-1 0419 FL-1 0420...
  • Page 53 TRANSMITTER SETTINGS Menu E. Preview Display the following information of transmitter: • Software version • Upper Range Limit • Damping time constant • Write protect ① ② Each item is displayed for 2 seconds. • Press the M key on the screen ① to display the screen of preview (②).
  • Page 54 TRANSMITTER SETTINGS Menu G. LCD setup The local display is totally independant from the amplifier unit. It is possibe to define the range as well as the engineering unit to be displayed. G-1. LDV (Lower Display Value) for 0 % (4 mA) ①...
  • Page 55 TRANSMITTER SETTINGS G-2. UDV: Upper Display Value for 100% (20 mA) • Press the M key on the screen ⑤ to display the screen for setting the Upper Display Value (⑥). • Using the - or + keys, define the value corresponding to 100 % (20 mA).
  • Page 56 ⑫ ⑬ TRANSMITTER SETTINGS (Cancel the setting) G-5. LcdOPT: G-4. LcdUnit: LCD unit options Settintg of engineering units (Save the setting) ⑭ ⑮ ⑯ ⑫ ⑬ (Cancel the setting) (Cancel the setting) (Save the setting) ⑰ (Save the setting) ⑭ •...
  • Page 57 TRANSMITTER SETTINGS Menu H. Linearization function H-1. LINRIZ: Programmable linearization function The linearization function can be used in level measurement application where there is no linear relationships between the height and the volume (therefore the mass) of the process. Typically, with spherical, partially conical or horizontal cylindrical tanks.
  • Page 58 TRANSMITTER SETTINGS Next CV ⑥ H-2. EFFECT: Switch on/off the linearization function Last CV • Press the M key on the screen ⑦ to display the screen ⑧ for setting ON/OFF the linearization function. • Define the on/off status using the - or + keys and press the M key.
  • Page 59 TRANSMITTER SETTINGS Menu I. Rerange: adjustment by LRV/URV change The rerange menu is specially dedicated to level measurement applications. Lighting The factory calibration is not representative of the final configuration of the installation (position of the level transmitter and associated LRV). Lighting ZERO In this case, the rerange function is usefull to...
  • Page 60 TRANSMITTER SETTINGS I-2. URV Adj: Span adjustment by changing the range (URV) • Press the M key on the screen ⑥ to select the URV adjustment mode. Lighting The measured value and unit displayed on the screen ⑦ are those of the normal mode and.
  • Page 61 TRANSMITTER SETTINGS Menu J. Saturation current (values and specification) The J menu is used to define both the values of the saturation current as well as the specification to be applied: NAMUR or Customized. If the NAMUR specification has been selected in menu J-3, it will not be possible to modify the values of the saturation currents.
  • Page 62 TRANSMITTER SETTINGS J-3. SPEC : Selection of CUSTOM/NAMUR specification for the burnout & saturation currents • Press the M key on the screen ⑨ to display the screen to select the type of specification for the burnout and saturation currents (⑩) •...
  • Page 63 TRANSMITTER SETTINGS Write protect switch and Menu • Write protect micro-switch. Write Protect status A micro-switch on the amplifier unit allows to enable or disable the write capabilty. The switch remains accessible and does not provide password protection. • Write protect menu K This menu can be used to enable the write Write protect mode with password protection.
  • Page 64 TRANSMITTER SETTINGS K-2. CHPWd: Change Password • Press the M key on the screen ⑥ to display the write protect mode old password input screen. • Using the - and + keys enter the old password. Functions of the keys: ⑥...
  • Page 65 TRANSMITTER SETTINGS Menu L : Historical data L-1. HisZER: Last calibration data (user) • Press the M key on the screen ① to display the zero calibration value (②). ZERO • Press the M key to reach the next menu. ①...
  • Page 66 TRANSMITTER SETTINGS L-4. HisAMP: Min/Max amplifier temperature • Press the M key on the screen ⑦ to display the min/max values of the amplifier temperature. • Use the - or + keys to display the minimal “Amin” or the maximal "Amax" values of the temperature history (⑧).

  • Page 67: Using A Hart Hand Held Communicator

    TRANSMITTER SETTINGS 5.3 Using a HART Hand Held Communicator 5.3.1 HHC wiring diagram (intrinsically safe protection mode) The diagram below shows the possibilites off connecting the HART HHC to the FCX-AIV transmitter. Intrinsically Safe FCX-AIV To instrument room To HHC Instrument room Junction block Junction block...

  • Page 68: Organization Of The Hart Menus And Functions

    TRANSMITTER SETTINGS 5.3.3 Organization of the HART menus and functions The synoptic below shows how is organized the HART menu and functions available in the Device Description files. Underligned functions are read only: DD MENU Online Device setup 1 PV Pres 1 PV Pres 2 PV Pres Limit Status 2 PV % range...
  • Page 69 TRANSMITTER SETTINGS Device status A - STATUS 1 Device status Process applied to the PV is outside...(Primary Variable Out of Limits) ON/OFF 2 FCX Standard Status Process applied to the non-PV is outside ... (Non-Primary Variable Out of Limits) ON/OFF 3 Gate Array Error 1 PV Analog Channel Saturated (Loop Current Saturated) ON/OFF...
  • Page 70 TRANSMITTER SETTINGS CPU Error 1 A - STATUS 1 Device status Clock 1 error (End interrupt none or T3 range over) ON/OFF 2 FCX Standard Status Internal Watchdog timer timeout reset (Not used) ON/OFF 3 Gate Array Error 1 Program sequence error ON/OFF 4 Gate Array Error 2 Processing_units error...
  • Page 71 TRANSMITTER SETTINGS D - LINEARIZE 1 Linearize Option 1 LP1 1 CV1 1 LP1 2 Lin. Point (LP) 2 LP2 2 CV2 2 LP2 3 Comp. Value (CV) ● ● ● 4 List ● ● ● ● ● ● E LP14 E CV14 E LP14 F CV1...

  • Page 72: Using A Hart Modem And Fdt Device Type Managertm (Fdt Dtm)

    TRANSMITTER SETTINGS 5.4 Using a HART modem and FDT Device Type Manager (FDT DTM) The FCX-DTM package is available to configure the FCX pressure transmitters. The FCX-DTM installation package provides the following Device DTMs: • FCX-AII/AIII (V4/V5), HART 5 protocol, compliant with FCX-AII (V4) and FCX-AIII (V5) pressure transmitters.

  • Page 73: Maintenance

    MAINTENANCE 6.1 Periodic inspection The definition of the period for the inspection depends on the operating conditions (usally once per year). For Safety Instrumented Systems, as per IEC 61511, the periodic inspection can be done according to the definition of the Proof Test Interval. Visual inspection: Visually inspect each part of the transmitter for indetifying any damage or corrosion.

  • Page 74: Troubleshooting

    Replace the amplifier unit according to chapter 6.4. (6) Amplifier unit is faulty. When the indicator is (1) An error code is displayed. Refer to “Contents of message” abnormal. If repair is not possible, please contact Fuji Electric’s service department. INF-TN6FCXA4b-E...

  • Page 75: Replacement Of Defective Parts

    MAINTENANCE 6.4 Replacement of defective parts Potentially explosive atmosphere: DANGER For flameproof protection mode, never open the transmitter on site while it is powered. WARNING INDICATION Digital indicator: CAUTION Digital indicator Indicator cover Amplifier (1) Loosen and remove the indictor cover (2) Unscrew the two fixing screw and remove the digital indicator (3) Disconnect the digital indicator from the amplifier unit connector.
  • Page 76 MAINTENANCE Amplifier unit: (1) Turn off the power supply. (2) Remove the indicator cover. (3) Remove the indicator (two screws). (4) Untighten the two screws securing the amplifier unit. Power supply cable Indicator Cell ribon cable Amplifer DANGER WARNING INDICATION Before removing the amplifier, make sure CAUTION the external adjustment screw is vertically...
  • Page 77 MAINTENANCE Replacement of the detecting unit (1) Remove the amplifier unit as described in the section above. (2) Remove three hex socket bolts from the amplifier housing. Separate the amplifier housing from the detecting unit. (3) Replace the detecting unit with an identical new one. (4) Reassemble the transmitter by reversing the above procedure from (2) to (1).
  • Page 78 Do not disassemble the FKC#11 or FKC#22 detecting units. CAUTION FKC#11 and FKC#22 shall be returned to Fuji Electric for repair. (1) Loosen and remove the process cover bolting. (2) After disassembly, replace the faulty part with a new one.
  • Page 79 MAINTENANCE Gauge and absolute pressure transmitters (FKG and FKA) Seal diaphragm Gasket Oval flange sureface Measurement chamber cover Bolt (1) Loosen and remove the process cover bolting. (2) After disassembly, replace the faulty part with a new one. (3) Before reassembly, clean the gasket surface of the process cover with a soft cloth soaked in water, alcohol, or similar detergent.
  • Page 80 MAINTENANCE Level transmitters (FKE) Bolt LP processs cover Gasket Seal diaphragm Seal tape (1) Loosen and remove the process cover bolting. (2) After disassembly, replace the faulty part with a new one. (3) Before reassembly, clean the gasket surface of the process cover with a soft cloth soaked in water, alcohol, or similar detergent.

  • Page 81: Calibration

    MAINTENANCE 6.5 Calibration Two main sections of the FCX-AIV pressure transmitters shall be calibrated: 1. The 4-20 mA analog output 2. The pressure measuring cell To perform the calibrations, the following equipment is needed: • A power supply: 24 Vdc nominal. •...
  • Page 82 MAINTENANCE Absolute pressure, direct mount type (FKH models) [kPa abs] {bar abs} <psi abs> FKH□02 [8.125 to 130] {0.08125 to 1.3} <1.18 to 18.85> FKH□03 [31.25 to 500] {0.3125 to 5} <4.53 to 72.5> FKH□04 [187.5 to 3000] {1.875 to 30} <27 to 435> Differential pressure with remote seals (FKD models) [kPa] {bar} <psi>...
  • Page 83 MAINTENANCE Calibration of the 4-20 mA analog output: • Connect the equipment according to the schematic below. • Using the three buttons local display unit: Perform the 4 mA and 20 mA calibration with the menu "B. Calibration of the 4-20 A output" (refer to page 47). •...

  • Page 84: Default Factory Settings

    MAINTENANCE 6.6 Default factory settings The table below describes the default settings for some parameters: Item Contents of parameter Damping value (time constant) 0.04s (min) External adjustment screw Enabled 4-20 mA output mode Linear Local indicator scale As per 9th digit of the model code Cut point (square-root output mode) 7.07% Mode below cut point (square-root setting)
  • Page 85 FUJI ELECTRIC FRANCE S.A.S. 46, rue Georges Besse - Zl du Brézet - 63 039 Clermont-Ferrand Cedex 2 - France Phone: +33 (0)4 73 98 26 98 Email : sales.dpt@fujielectric.fr Website : www.fujielectric.fr F u j i E l e c t r i c c a n n o t b e h e l d r e s p o n s i b l e f o r a n y e r r o r s i n o u r c a t a l o g u e s , b r o c h u r e s o r o t h e r p r i n t e d m e d i a . F u j i E l e c t r i c r e s e r v e s t h e r i g h t t o m o d i f y i t s p r o d u c t s w i t h o u t n o t i c e .

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