YOKOGAWA Dpharp EJA118N User Manual
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YOKOGAWA Dpharp EJA118N User Manual

Diaphragm sealed differential pressure transmitters (style: s2)
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Instruction
Manual
Y okogawa Electric Corporation
Model EJA118W, EJA118N and
EJA118Y Diaphragm Sealed
Differential Pressure Transmitters
[Style: S2]
IM 1C22H1-01E
IM 1C22H1-01E
10th Edition

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  • Page 1 Instruction Manual Model EJA118W, EJA118N and EJA118Y Diaphragm Sealed Differential Pressure Transmitters [Style: S2] IM 1C22H1-01E IM 1C22H1-01E 10th Edition Y okogawa Electric Corporation...
  • Page 2 Blank Page...

  • Page 3: Table Of Contents

    (1) General-use Type and Intrinsically Safe Type ......5-3 (2) Flameproof Type (JIS) ..............5-3 Grounding .................... 5-4 Power Supply Voltage and Load Resistance ........5-4 FD No. IM 1C22H1-01E IM 1C22H1-01E 10th Edition: Feb. 2000(YK) All Rights Reserved, Copyright © 1995, Yokogawa Electric Corporation...
  • Page 4 CONTENTS OPERATION ....................6-1 Preparation for Starting Operation ............6-1 Zero Point Adjustment ................ 6-2 6.2.1 When you can obtain Low Range Value from actual measured value of 0% (0 kPa, atmospheric pressure); ....... 6-2 6.2.2 When you cannot obtain Low Range Value from actual measured value of 0%;...
  • Page 5 CONTENTS MAINTENANCE ..................... 8-1 Overview ..................... 8-1 Calibration Instruments Selection ............8-1 Calibration ................... 8-1 Disassembly and Reassembly ............8-3 8.4.1 Replacing the Integral Indicator ........... 8-3 8.4.2 Replacing the CPU Assembly ............8-4 Troubleshooting ................... 8-5 8.5.1 Basic Troubleshooting ..............8-5 8.5.2 Troubleshooting Flow Charts ............
  • Page 6 Blank Page...

  • Page 7: Introduction

    Please contact Yokogawa for any repair permission. or modification required to the instrument. • Yokogawa makes no warranty of any kind with • The following safety symbol marks are used in this regard to this manual, including, but not limited to,...

  • Page 8: Warranty

    CAUTION • Responsible party for repair cost for the problems This instrument is tested and certified as intrinsi- shall be determined by Yokogawa based on our cally safe type or explosionproof type. Please investigation. note that the construction of the instrument, •...

  • Page 9: Handling Cautions

    2. HANDLING CAUTIONS HANDLING CAUTIONS This chapter describes important cautions regarding 2.2 Unpacking how to handle the transmitter. Read carefully before using the transmitter. When moving the transmitter to the installation site, keep it in its original packaging. Then, unpack the The EJA Series pressure transmitters are thoroughly transmitter there to avoid damage on the way.

  • Page 10: Selecting The Installation Location

    2. HANDLING CAUTIONS The following precautions must be observed in order to 2.4 Selecting the Installation safely operate the transmitter under pressure. Location (a) Never apply a pressure higher than the specified The transmitter is designed to withstand severe maximum working pressure. environmental conditions.

  • Page 11: Insulation Resistance And Dielectric Strength Test

    2. HANDLING CAUTIONS 5) After completing this test, slowly decrease the 2.8 Insulation Resistance and voltage to avoid any voltage surges. Dielectric Strength Test 2.9 Installation of Explosion Since the transmitter has undergone insulation resis- tance and dielectric strength tests at the factory before Protected Type shipment, normally these tests are not required.
  • Page 12 • Output signal: 4 to 20 mA • The instrument modification or parts replacement by Note 2. Wiring other than authorized representative of Yokogawa • All wiring shall comply with National Electrical Electric Corporation is prohibited and will void Code ANSI/NEPA70 and Local Electrical Codes.

  • Page 13: Csa Certification

    Maximum output voltage (Voc) 30 V by other than authorized representative of Maximum output current (Isc) 165 mA Yokogawa Electric Corporation is prohibited and Maximum output power (Pmax) 0.9 W will void Factory Mutual Explosionproof Approval. Note 3. Installation • All wiring shall comply with Canadian Electrical Code Part I and Local Electrical Codes.

  • Page 14: Saa Certification

    42 V DC Max. by other than authorized representative of 4 to 20 mA DC Sealing Fitting Signal Yokogawa Electric Corporation is prohibited and EJA Series will void Standards Association of Australia F0205.EPS Intrinsically safe and Type n Certification. IM 1C22H1-01E...

  • Page 15: Cenelec (Kema)/Iec (Kema) Certification

    [Intrinsic Safety] Hazardous Location Nonhazardous Location • The instrument modification or parts replacement (Zone 0) by other than authorized representative of Yokogawa Electric Corporation is prohibited and Safety Barrier *1 EJA Series will void Standards Association of Australia Pressure –...
  • Page 16 Caution for CENELEC (KEMA) flameproof type. by other than authorized representative of Note 1. Model EJA Series differential, gauge, and Yokogawa Electric Corporation is prohibited and absolute pressure transmitters with will void KEMA Type of Protection “n” Certifica- optional code /KF1 for potentially explo- tion.

  • Page 17: Jis Certification

    NOTE sion-protected construction of electric machinery and equipment(Standards Notification No. 556 from the YOKOGAWA recommends customer to apply Japanese Ministry of Labor) conforming to IEC the Metal Conduit Wiring or to use the twisted standards, are designed for hazardous areas where...

  • Page 18: Component Names

    3. COMPONENT NAMES COMPONENT NAMES Transmitter section* *See below for details. Cover flange Capillary tube Diaphragm seal (high pressure side) Pressure-detector section Diaphragm seal Diaphragm (low pressure side) Flange F0301.EPS Figure 3.1.1 Component Names (Model EJA118W External View) Terminal box cover Transmitter section External indicator Conduit connection...

  • Page 19: Installation

    4. INSTALLATION INSTALLATION 4.1 Precautions IMPORTANT Before installing the transmitter, read the cautionary • When measuring the liquid level of the tank, notes in Section 2.4, “Selecting the Installation the minimum liquid level (zero point) must be Location.” For additional information on the set to a level at least 50 mm above the center ambient conditions allowed at the installation of the high pressure side diaphragm seal (see...

  • Page 20: Transmitter Mounting

    4. INSTALLATION 4.3 Transmitter Mounting IMPORTANT The transmitter can be mounted on a nominal 50 The transmitter should be installed at least 600 mm (2-inch) pipe using the mounting bracket mm below the high pressure (HP) process supplied, as shown in Figure 4.3.1. The transmitter connection to ensure a positive head pressure of can be mounted on either a horizontal or a vertical fill fluid.

  • Page 21: Affixing The Teflon Film

    4. INSTALLATION 4.4 Affixing the Teflon Film 4.5 Rotating Transmitter Section The FEP Teflon option includes a teflon film and The DPharp transmitter section can be rotated in 90 fluorinated oil. segments. Before mounting the diaphragm seal to the process (1) Remove the two Allen screws that fasten the flange, affix the teflon film as follows: transmitter section and pressure-detector section,...

  • Page 22: Wiring

    5. WIRING WIRING 5.1 Wiring Precautions CAUTION If the transmitter is flameproof and the ambient IMPORTANT temperature is 50 C or more, use cables having a maximum allowable heat resistance of at least • Lay wiring as far as possible from electrical 75 C in consideration of the instrument's genera- noise sources such as large capacity transform- tion of heat or the cables' self-heating.

  • Page 23: Brain Terminal Bt200 Connection

    5. WIRING 5.3.3 BRAIN TERMINAL BT200 Connec- 5.4.1 Loop Configuration tion Since the DPharp uses a two-wire transmission system, Connect the BT200 to the SUPPLY + and – terminals signal wiring is also used as power wiring. (Use hooks). DC power is required for the transmitter loop. The transmitter and distributor are connected as shown Transmitter terminal box below.

  • Page 24: Wiring Installation

    Proper tightening is important. If it is too tight, a • Use only flameproof packing adapters approved by circuit break in the cable may occur; if not tight Yokogawa. enough, the flameproof effectiveness will be • Apply a nonhardening sealant to the terminal box compromised.

  • Page 25: Grounding

         5. WIRING 5.6 Power Supply Voltage and Flameproof metal conduit wiring • A seal fitting must be installed near the terminal box Load Resistance connection port for a sealed construction. When configuring the loop, make sure that the external •...

  • Page 26: Operation

    6. OPERATION OPERATION 6.1 Preparation for Starting Op- Confirming that Transmitter is Operating Properly eration Confirmation using the BT200 The Model EJA118W, EJA118N and EJA118Y • If the wiring system is faulty, ‘communication error’ diaphragm sealed differential pressure transmitter appears on the display. measures the flow rates of liquids, gases, and steam, •...

  • Page 27: Zero Point Adjustment

    6. OPERATION 6.2 Zero Point Adjustment 6.2.1 When you can obtain Low Range Value from actual measured value Adjust the zero point after operating preparation is of 0% (0 kPa, atmospheric pres- completed. sure); Using the Transmitter Zero-adjustment Screw IMPORTANT Before adjusting a screw, check that the parameter Do not turn off the power to the transmitter J20: EXT ZERO ADJ displays ENABLE.

  • Page 28: Starting Operation

    6. OPERATION 6.3 Starting Operation Using the Transmitter Zero-Adjustment Screw After completing the zero point adjustment, use the Turn the screw to match the output signal to the actual procedure below to start operation. measured value in %. 1) Confirm the operating status. There will be cases in which the output signal Using the BT200 exhibits wide fluctuations (hunting) due to periodic...

  • Page 29: Setting The Range Using The Range-Setting Switch

    6. OPERATION 6.5 Setting the Range Using the IMPORTANT Range-setting Switch • Do not turn off the power to the transmitter With actual pressure being applied to the transmitter, immediately after completion of the change in the range-setting switch (push-button) located on the the LRV (and/or HRV) setting(s).

  • Page 30: Brain Terminal Bt200 Operation

    7. BRAIN TERMINAL BT200 OPERATION BRAIN TERMINAL BT200 OPERATION The DPharp is equipped with BRAIN communications 7.2 BT200 Operating Procedures capabilities, so that range changes, Tag No. setup, monitoring of self-diagnostic results, and zero point 7.2.1 Key Layout and Screen Display adjustment can be handled by remote control via Figure 7.2.1a shows the arrangement of the operating BT200 BRAIN TERMINAL or CENTUM CS console.

  • Page 31: Operating Key Functions

    7. BRAIN TERMINAL BT200 OPERATION 7.2.2 Operating Key Functions Use the function key [F1] to enter symbols. The CODE following symbols will appear in sequence, one at a (1) Alphanumeric Keys and Shift Keys time, at the cursor each time you press [F1] CODE: You can use the alphanumeric keys in conjunction with / .

  • Page 32: Calling Up Menu Addresses Using The Operating Keys

    FEED 4. LCD contrast setting 5. Adjusting printout tone (UTIL) (BT200-P00 only) PARAM 01:MODEL EJA118-DM INITIAL 02:TAG NO. FUNC DATA YOKOGAWA 1.MENU (ESC) SCREEN 03:SELF CHECK 2.UPLOAD TO BT200 GOOD 3.DOWNLOAD TO INST 4.PRINT ALL DATA HOME (SET) (ADJ) (HOME MENU SCREEN)

  • Page 33: Setting Parameters Using The Bt200

    7. BRAIN TERMINAL BT200 OPERATION 7.3 Setting Parameters Using the BT200 7.3.1 Parameter Summary Instruments to which applicable: F: Differential pressure transmitters EJA110, EJA120, EJA118W, EJA118N, EJA118Y, and EJA115 P: Pressure transmitters EJA310, EJA430, EJA438W, and EJA438N L: Liquid level transmitters EJA210 and EJA220 Applica- Rewrita-...
  • Page 34 7. BRAIN TERMINAL BT200 OPERATION Applica- Rewrita- bility Item Description Remarks Default Value bility AUX SET 1 Auxiliary setting data 1 Menu name — D21 DISP UNIT Engineering unit for 8 uppercase display alphanumerics D22 DISP LRV Engineering range, –19999 to 19999 As specified when ordered.

  • Page 35: Parameter Usage And Selection

    7. BRAIN TERMINAL BT200 OPERATION 7.3.2 Parameter Usage and Selection IMPORTANT Before describing the procedure for setting parameters, If the transmitter is turned off within 30 seconds we present the following table showing how the after parameters have been set, the set data will parameters are used and in what case.

  • Page 36: Setting Parameters

    This is the panel for confirming C10:TAG NO. Set or change the parameters as necessary. After set data. The set data items flash. YOKOGAWA FIC-1a completing these, do not fail to use the “DIAG” key to When all items have been confir-...

  • Page 37: Damping Time Constant Setup

    7. BRAIN TERMINAL BT200 OPERATION b. Setting Calibration Range Lower • Example 2: With present settings of 0 to 30 kPa, Range Value and Higher Range Value set the Higher range value to10 kPa. (C21: LOW RANGE, C22: HIGH RANGE) Set 10.

  • Page 38: Output Mode And Integral Indicator Display Mode Setup

    7. BRAIN TERMINAL BT200 OPERATION (4) Output Mode and Integral Indicator Dis- • Example: Change the low cut setting range play Mode Setup (C40: OUTPUT MODE) from 10% to 20%, and the low The mode setting for the output signal and the integral cut mode from LINEAR to ZERO.

  • Page 39: Integral Indicator Scale Setup

    7. BRAIN TERMINAL BT200 OPERATION (6) Integral Indicator Scale Setup % indication and User-set engineering The following 5 displays are available for integral input pressure unit display indicators. indication D20: DISP SELECT D20: DISP SELECT D20: DISP SELECT Description NORMAL % USER SET and Display and Related parameters...

  • Page 40: Unit Setup For Displayed Temperature

    7. BRAIN TERMINAL BT200 OPERATION b. Setting User-set Engineering Unit c. Lower and Higher Range Value Setup (D21: DISP UNIT) in Engineering Unit (D22: DISP LRV, D23: DISP HRV) This parameter allows entry of the engineering units to These parameter items are used to set the lower and be displayed on the BT200.

  • Page 41: Unit Setup For Displayed Static Pressure

    7. BRAIN TERMINAL BT200 OPERATION (8) Unit Setup for Displayed Static Pressure (11) Output Status Display/Setup when a CPU (D31: STAT.P.UNIT) Failure (D52: BURN OUT) Follow the procedure below to change the static This parameter displays the status of 4 to 20 mA DC pressure units.

  • Page 42: Bi-Directional Flow Measurement Setup

    7. BRAIN TERMINAL BT200 OPERATION (13) Bi-directional Flow Measurement Setup (14) Range Change while Applying Actual (E30: BI DIRE MODE) Inputs (H10: AUTO LRV, H11: AUTO HRV) (a) This parameter enables selection of 50% output at This feature allows the lower and higher range values an input of 0 kPa.

  • Page 43: Zero Point Adjustment

    7. BRAIN TERMINAL BT200 OPERATION Note that changing the higher range value does not (a) Follow the procedure below when setting the cause the lower range value to change but does change present output to 0% (4 mA). the span. Output is 0.5%.

  • Page 44: Test Output Setup

    7. BRAIN TERMINAL BT200 OPERATION (16) Test Output Setup (K10: OUTPUT X%) (b)-2 Follow the procedure below to use J11: ZERO DEV. This feature can be used to output a fixed current from 3.2 mA (–5%) to 21.6 mA (110%) for loop checks. Present output is 41.0%.

  • Page 45: Displaying Data Using The Bt200

    • Example 2: Setting entry errors A20:AMP TEMP The initial data panel shows the PARAM 01:MODEL EJA118-DM result of current transmitter 02:DAG NO. F0740.EPS YOKOGAWA diagnostics. 03:SELF CHECK ERROR 7.4.2 Display Transmitter Model and Specifications PARAM Press the (DIAG) key in the...

  • Page 46: Checking With Integral Indicator

    7. BRAIN TERMINAL BT200 OPERATION (2) Checking with Integral Indicator • Example 3: Checking the history of the errors Connect the BT200 to the MENU NOTE J:ADJUST K:TEST transmitter, and call item “P.” M:MEMO P:RECORD If an error is detected in the self-diagnostic, an error number is displayed on the integral indica- HOME tor.

  • Page 47: Errors And Countermeasures

    7. BRAIN TERMINAL BT200 OPERATION 7.5.2 Errors and Countermeasures The table below shows a summary of error messages. Table 7.5.1 Error Message Summary Integral Output Operation Indicator BT200 Display Cause Countermeasure during Error Display None GOOD ERROR ---- Capsule problem. Outputs the signal Replace capsule.

  • Page 48: Maintenance

    8. MAINTENANCE MAINTENANCE 8.1 Overview 8.2 Calibration Instruments Selection Table 8.2.1 shows the instruments required for calibra- WARNING tion. Select instruments that will enable the transmitter to be calibrated or adjusted to the required accuracy. Since the accumulated process fluid may be toxic or otherwise harmful, take appropriate care The calibration instruments should be handled carefully to avoid contact with the body, or inhalation of...
  • Page 49 0.1% level, there are difficulties in calibration to this level in the field. For calibration to the 0.1% level, contact Yokogawa representatives from which the instrument was purchased or the nearest Yokogawa office.

  • Page 50: Disassembly And Reassembly

    Allen wrenches JIS B4648 a transmitter. If such modification is absolutely One each, nominal 3 and required, contact Yokogawa. 5 mm Allen wrenches Wrench Width across flats, 17 mm Torque wrench Adjustable wrench...

  • Page 51: Replacing The Cpu Assembly

    8. MAINTENANCE 8.4.2 Replacing the CPU Assembly NOTE This subsection describes the procedure for replacing the CPU assembly. (See Figure 8.4.2) Confirm that the zero-adjustment screw pin is placed properly in the groove on the bracket Removing the CPU Assembly prior to tightening the two bosses.

  • Page 52: Troubleshooting

    If you have difficulty isolating or correcting a problem, • Output value is inconsistent with value inferred for process variable. contact Yokogawa service personnel. 8.5.1 Basic Troubleshooting Connect BRAIN TERMINAL and check self-diagnostics. First determine whether the process variable is actually abnormal or a problem exists in the measurement system.
  • Page 53 Adjust the zero point. Provide lagging and/or heat insulation, or allow adequate ventilation. Contact Yokogawa service personnel. F0806.EPS Were appropriate instruments used for calibration? Refer to Section 8.2 when selecting instruments for calibration.

  • Page 54: General Specifications

    9. GENERAL SPECIFICATIONS GENERAL SPECIFICATIONS Standard Specifications Ambient Temperature Limits: Refer to GS 1C22T2-E for Fieldbus communica- * Safety approval codes may affect limits. tion type marked with “ ”. –40 to 60 C (–40 to 140 F) –30 to 60 C (–22 to 140 F) with LCD Display Performance Specifications Note: The ambient temperature limits must be within See General Specifications sheet, GS 1C22H1-E.
  • Page 55 However, this value(600 mm) may be affected by ambient temperature, operating pressure, fill fluid or material of the wetted diaphragm. Contact YOKOGAWA when the transmitter can not be installed at least 600 mm below the HP process connection.

  • Page 56: Model And Suffix Codes

    9. GENERAL SPECIFICATIONS Model and Suffix Codes Model EJA118W [Style: S2] Model Suffix Codes Description Diaphragm sealed differential pressure transmitter ........EJA118W (Flush diaphragm type) -D .
  • Page 57 9. GENERAL SPECIFICATIONS Model EJA118N [Style: S2] Model Suffix Codes Description Diaphragm sealed differential pressure transmitter ........EJA118N (Extended diaphragm type) -D .
  • Page 58 9. GENERAL SPECIFICATIONS Model EJA118Y [Style: S2] Model Suffix Codes Description ........EJA118Y Diaphragm sealed differential pressure transmitter (Combination of extended diaphragm and flush diaphragm type)

  • Page 59: Optional Specifications

    9. GENERAL SPECIFICATIONS Optional Specifications Item Description Code FM Explosionproof Approval Explosionproof for Class I, Division 1, Groups B, C and D Dust-ignitionproof for Class II/III, Division 1, Groups E, F and G Hazardous (classified) locations, indoors and outdoors ( NEMA 4X ) Temperature class: T6 Amb.
  • Page 60 9. GENERAL SPECIFICATIONS Item Description Code Color change Amplifier cover only Painting Coating change Epoxy resin-baked coating Transmitter power supply voltage: 10.5 to 32 V DC (9 to 32 V DC for Fieldbus Lightning protector communication type) Allowable current: Max. 6000 A (1x40 s), Repeating 1000 A (1x40 s) 100 times Oil-prohibited use Degrease cleansing treatment...

  • Page 61: Dimensions

    9. GENERAL SPECIFICATIONS Dimensions Model EJA118W [Style: S2] Unit: mm (approx.inch) 25 (0.98) ød* (1.34) n- øh Wetted parts material code U (Titanium) 140(5.51) High pressure pressure 110 (4.33) 94(3.70) side side External indicator conduit connection Conduit (0.35) connection (Optional) Internal indicator (Optional)
  • Page 62 9. GENERAL SPECIFICATIONS Model EJA118N [Style: S2] Unit : mm (approx.inch) øD øC øg øA ø30 n-øh (1.18) 140(5.51) pressure 110 (4.33) 94(3.70) side External indicator conduit connection Conduit (0.35) connection (Optional) Internal indicator (Optional) Terminal side Zero Ground adjustment terminal Clamps (Only for JIS Flameproof type)
  • Page 63 9. GENERAL SPECIFICATIONS Model EJA118Y [Style: S2] Unit: mm (approx.inch) øD (0.98) øC ø90 ø155 (6.10) (3.54) ø96 (3.78) 14 (0.55) ø130 øC øD (5.12) ø30 n- h (1.18) (4.72) High n- h pressure 135 (5.31) pressure 110 (4.33) side side (0.59) (2.09)

  • Page 64: Installation And Operating Precautions For Jis Intrinsically Safe Equipment

    INSTALLATION AND OPERATING PRECAUTIONS FOR JIS INTRINSICALLY SAFE EQUIPMENT INSTALLATION AND OPERATING PRECAUTIONS FOR JIS INTRINSICALLY SAFE EQUIPMENT Apparatus Certified Under Technical Criteria (IEC-compatible Standards) and from “RECOMMENDED PRACTICES for Explosion-Protected Electri- cal Installations in General Industries,” published in 1979 1.
  • Page 65 INSTALLATION AND OPERATING PRECAUTIONS FOR JIS INTRINSICALLY SAFE EQUIPMENT (2) For pressure transmitters, pH transmitters, temperature — when up to two countable faults are applied and, in detectors and the like, safety barriers that can be addition, combined are already specified. Other safety barriers —...
  • Page 66 INSTALLATION AND OPERATING PRECAUTIONS FOR JIS INTRINSICALLY SAFE EQUIPMENT intrinsically safe apparatus may be used at an ambient Installations for Explosive Gas Atmospheres in General temperature up to 60 C. So, specifications should be checked Industry” issued in 1994 by the Japanese Ministry of Labour, before installing intrinsically safe apparatus.

  • Page 67: Installation And Operating Precautions For Jis Flameproof Equipment

    INSTALLATION AND OPERATING PRECAUTIONS FOR JIS FLAMEPROOF EQUIPMENT INSTALLATION AND OPERATING PRECAUTIONS FOR JIS FLAMEPROOF EQUIPMENT Apparatus Certified Under Technical Criteria (IEC-compatible Standards) 1. General construction is of completely enclosed type and its enclosure shall endure explosive pressures in cases where explosive The following describes precautions on electrical apparatus gases or vapours entering the enclosure cause explosion.
  • Page 68 INSTALLATION AND OPERATING PRECAUTIONS FOR JIS FLAMEPROOF EQUIPMENT 4. Installation of Flameproof • Specific cables shall be used as recommended by the “USER’S GUIDELINES for Electrical Installations for Apparatus Explosive Gas Atmospheres in General Industry,” published in 1994. (1) Installation Area •...
  • Page 69 So, (2) Repair Yokogawa-specified cable entry devices for flameproof type shall be used to meet this demand. If the flameproof apparatus requires repair, turn off the power and transport it to a safety (non-hazardous) location.
  • Page 70 Blank Page...

  • Page 71: Parts List

    SCS14A stainless steel Below LCD Board Assembly For integral indicator F9342BL Without range-setting switch F9342BM With range-setting switch F9342MK Mounting Screw F9300PB Label CMPL 1C22A1-02E All Rights Reserved, Copyright © 1995, Yokogawa Electric Corporation. 6th Edition: Feb. 2000(YK) Yokogawa Electric Corporation...
  • Page 72 Blank Page CMPL 1C22A1-01E Subject to change without notice. Printed in Japan.

  • Page 73: Customer Maintenance Parts List

    Models EJA118W, EJA118N and Customer EJA118Y Maintenance Diaphragm Sealed Parts List Differential Pressure Transmitter (Pressure-detector Section) Model EJA118W Model EJA118N Model EJA118Y CMPL 1C22H1-01E All Rights Reserved, Copyright © 1995, Yokogawa Electric Corporation. 3rd Edition: Oct. 1999(YK) Yokogawa Electric Corporation...
  • Page 74 Description Item Part No. O-Ring F9300AJ Flange — See Table 1 Bolt — Bolt Below For JIS 10K Y9625YU For JIS 20K, ANSI Class 150 and JPI Class 150 Y9630YU For ANSI Class 300 and JPI Class 300 (for Flange Size 100 mm, 4 inch) Y9640YU For ANSI Class 300 and JPI Class 300 (for Flange Size 80 mm, 3 inch) Y9635YU...
  • Page 75 REVISION RECORD Title: Model EJA118W, EJA118N, and EJA118Y Diaphragm Sealed Differential Pressure Transmitter Manual No.: IM 1C22H1-01E Edition Date Page Revised Item Mar. 1998 • Add FOUNDATION Fieldbus protcol version to ‘NOTE’ notice. • Correct Teflon film Part Number. F9347YD (Incorrect) F9347YA (Correct) •...
  • Page 76 Edition Date Page Revised Item – – • Installation and Operating Precautions for JIS Intrinsically Safe and Explosionproof Equipment: EX-A01E EX-A03E, EX-B01E EX-B03E • Add Optional code F1. CMPL CMPL 1C22A1-02E 5th • Change a format. • Change and add Part No. of Item 7-1, CPU assembly: Change;...

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