YOKOGAWA DPharp EJA110A User Manual
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YOKOGAWA DPharp EJA110A User Manual

Eja series differential pressure and pressure transmitters
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User's
Manual
Y okogawa Electric Corporation
EJA Series Differential Pressure and
Pressure Transmitters
Installation Manual
1.
1.1
1.2
1.3
2.
2.1
2.2
2.3
2.4
2.5
2.6
2.7
3.
3.1
3.2
3.3
3.4
3.5
3.6
4.
4.1
4.2
4.3
5.
5.1
5.2
5.3
5.4
5.5
6.
6.1
6.2
7.
8.
CD-ROM included
IM 01C22A01-01E
For Safe Use of Product ..............................................2
Warranty ......................................................................2
ATEX Documentation ..................................................4
Model and Specifi cations Check .................................5
Selecting the Installation Location ..............................5
Pressure Connection ..................................................6
EMC Conformity Standards ..................................... 13
PED (Pressure Equipment Directive) ...................... 13
Low Voltage Directive ............................................... 14
Mounting................................................................... 15
Mounting the Diaphragm Seals ............................... 15
Affi xing the Tefl on Film ............................................. 17
Rotating Transmitter Section .................................... 18
Impulse Piping Connection Examples ..................... 21
Wiring Precautions ................................................... 23
Wiring ....................................................................... 23
Grounding ................................................................ 25
Preparation for Starting Operation ........................... 26
Zero Point Adjustment .............................................. 27
IM 01C22A01-01E
2nd Edition
1
2
3
4
5
6
7
8

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Summary of Contents for YOKOGAWA DPharp EJA110A

  • Page 1: Table Of Contents

    User’s Manual EJA Series Differential Pressure and Pressure Transmitters Installation Manual CD-ROM included IM 01C22A01-01E Introduction For Safe Use of Product ..........2 Warranty ..............2 ATEX Documentation ..........4 Handling Cautions Model and Specifi cations Check .........5 Selecting the Installation Location ......5 Pressure Connection ..........6 Installation of Explosion Protected Type .....6 EMC Conformity Standards ........

  • Page 3: Regarding This Manual

    Fieldbus and PROFIBUS PA. For the items which are • Yokogawa makes no warranty of any kind with regard not covered in this manual, see the applicable user’s to this manual, including, but not limited to, implied manuals in the CD-ROM attached to this manual as listed warranty of merchantability and fi...

  • Page 4: Introduction

    • The instrument must be installed by an expert (f) Modifi cation engineer or a skilled personnel. The procedures • Yokogawa will not be liable for malfunctions or described about INSTALLATION are not permitted for damage resulting from any modifi cation made to this operators.
  • Page 5 <1. Introduction> • Responsible party for repair cost for the problems shall be determined by Yokogawa based on our investigation. • The Purchaser shall bear the responsibility for repair costs, even during the warranty period, if the malfunction is due to: - Improper and/or inadequate maintenance by the purchaser.

  • Page 6: Atex Documentation

    <1. Introduction> ATEX Documentation This is only applicable to the countries in European Union. IM 01C22A01-01E...

  • Page 7: Handling Cautions

    (L type) U-bolt nut Applicable Transmitter mounting bolt Suffi x code Part name model Process connector bolt U-bolt nut (S) Mounting bracket EJA110A Process Process connector (Flat type) EJA120A connections Plate Teflon film Process connector EJA130A 1, 2, 3, and 4...

  • Page 8: Pressure Connection

    Please contact gases for which they are certifi ed. See Subsection Yokogawa for any repair or modifi cation required to the 2.4 “Installation of Explosion Protected Type instrument.
  • Page 9 B, C & D. Class II, Division 1, Groups E, F & G and Class III, Division 1 Hazardous Locations. other than authorized representative of Yokogawa • Nonincendive for Class I, Division 2, Groups A, B, C & Electric Corporation is prohibited and will void Factory D.

  • Page 10: Wiring

    Note 3. Installation • The instrument modifi cation or parts replacement by • All wiring shall comply with Canadian Electrical Code other than authorized representative of Yokogawa Part I and Local Electrical Codes. Electric Corporation is prohibited and will void Factory •...
  • Page 11 • The instrument modifi cation or parts replacement by instruction manual. other than authorized representative of Yokogawa Note 2. In order to avoid confusion, unnecessary Electric Corporation and Yokogawa Corporation marking is crossed out on the label other...
  • Page 12 Group IIC, Zone 2 • The instrument modifi cation or parts replacement by IECEx Certified EJA Series Pressure other than authorized representative of Yokogawa Equipment [nL] Transmitters Electric Corporation and will void IECEx Intrinsically safe and type n certifi cation.
  • Page 13 Note 4. Maintenance and Repair Transmitter • The instrument modifi cation or parts replacement by Safety Barrier *1 Supply other than authorized representative of Yokogawa – – Electric Corporation is prohibited and will void IECEx Certifi cation. 2.4.4 CENELEC ATEX (KEMA) Certifi...
  • Page 14 Note 5. Maintenance and Repair [Installation Diagram] • The instrument modifi cation or parts replacement by Hazardous Location Non-hazardous Location other than authorized representative of Yokogawa (Zone 2 only) Electric Corporation is prohibited and will void KEMA Transmitter Flameproof Certifi cation.

  • Page 15: Emc Conformity Standards

    “180-8750” is a zip code which represents the following address. The instrument modifi cation or parts replacement by 2-9-32 Nakacho, Musashino-shi, Tokyo Japan other than authorized Representative of Yokogawa Electric Corporation is prohibited and will void the EMC Conformity Standards certifi cation.

  • Page 16: Low Voltage Directive

    Occasionally, however, temporary conductivity caused by condensation must PS-V Model V(L) Category* (bar) (bar-L) be expected. Article 3, EJA110A 0.01 paragraph 3 (SEP) (2) Installation Category I Article 3, "Overvoltage category(Installation category)" EJA120A 0.01 0.005 paragraph 3 (SEP) describes a number which defi...

  • Page 17: Installation

    <3. Installation> Installation IMPORTANT Adapter U-bolt (S) • When welding piping during construction, take care not to allow welding currents to fl ow through U-bolt nut (S) the transmitter. • Do not step on this instrument after installation. • For EJA430A, the atmospheric opening is located U-bolt nut (L) U-bolt (L) on the low pressure side cover fl...

  • Page 18: Diaphragm Seals Installation Consideration

    <3. Installation> 3.2.1 EJA210A and EJA220A Diaphragm Seals Installation The transmitter is mounted on a process using its Consideration high pressure side fl ange as shown in Figure 3.5. The customer should prepare the mating fl ange, gasket, stud IMPORTANT bolts and nuts.

  • Page 19: Affi Xing The Tefl On Film

    <3. Installation> IMPORTANT pressure side The transmitter should be installed below the high pressure (HP) process connection to ensure a positive head pressure of fi ll fl uid. The recommended height between the HP process connection and the transmitter is show in the following table. Pay special attention to vacuum applications.

  • Page 20: Rotating Transmitter Section

    <3. Installation> 4) After rotating the LCD, align both the LCD board Rotating Transmitter Section assembly and CPU assembly connectors and engage The transmitter section can be rotated in 90° segments. them. 5) Insert and tighten the two mounting screws. 1) Remove the two Allen screws that fasten the 6) Replace the cover.

  • Page 21: Installing Impulse Piping

    If, for example, gas collects in a liquid fi lled impulse piping, or the drain of a gas-fi lled impulse piping Manifold (EJA110A) becomes plugged, the impulse piping will not convey A 3-valve manifold consists of two stop valves to block the pressure accurately.

  • Page 22: Routing The Impulse Piping

    <4. Installing Impulse Piping> 4) Now tighten the nuts and bolts securely in the NOTE following sequence: Process connector bolts → transmitter-end ball head • If the process fl uid is a gas, the taps must be lock nuts → 3-valve manifold ball head lock nuts → vertical or within 45°...

  • Page 23: Impulse Piping Connection Examples

    F0406.ai When using a differential pressure transmitter to Figure 4.6 Impulse Piping Connection Examples measure very low pressures (draft pressure), the low (EJA110A) pressure connection port is left open to atmospheric pressure (the reference pressure). Open Tank Closed Tank Any wind around the differential pressure transmitter Tap valve will therefore cause errors in the measurement.

  • Page 24: Process Piping Installation Precautions

    <4. Installing Impulse Piping> Process Piping Installation NOTE Precautions • If the process fl uid is a gas, then as a rule the manifold must be located at the downside of the 4.3.1 Connecting Process Piping to the pressure-sensing assembly. Transmitter •...

  • Page 25: Wiring

    <5. Wiring> Wiring Connections of External NOTE Wiring to Terminal Box For F Fieldbus and PROFIBUS PA OUNDATION communication types, please refer to manuals in the 5.2.1 Power Supply Wiring Connection attached CD-ROM. Connect the power supply wiring to the SUPPLY + and –...

  • Page 26: Wiring Installation

    <5. Wiring> 5.3.1 Loop Confi guration Since the DPharp uses a two-wire transmission system, signal wiring is also used as power wiring. Flexible metal conduit DC power is required for the transmitter loop. The Apply a non-hardening transmitter and distributor are connected as shown below. Wiring metal sealant to the threads for conduit...

  • Page 27: Grounding

    <5. Wiring> 2) Insert the cable through the union cover, the union Grounding coupling, the clamp nut, the clamp ring, the gland, Grounding is always required for the proper operation of the washer, the rubber packing, and the packing transmitters. Follow the domestic electrical requirements box, in that order.

  • Page 28: Operation

    <6. Operation> Operation Output Status Setting at CPU Failure NOTE Set the burn-out direction as shown in the fi gures below. The direction is set to the H side for delivery unless option For F Fieldbus and PROFIBUS PA OUNDATION code /C1 is specifi...

  • Page 29: Zero Point Adjustment

    <6. Operation> Zero Point Adjustment Adjust the zero point after operating preparation is completed. IMPORTANT Do not turn off the power to the transmitter immediately after a zero adjustment. Powering off within 30 seconds after a zero adjustment will return the adjustment back to the previous settings.

  • Page 30: Errors And Countermeasures

    Errors and Countermeasures <7. > Errors and Countermeasures NOTE For F Fieldbus and PROFIBUS PA communication types, please refer to manuals in the attached CD-ROM. OUNDATION The table below shows a summary of error messages for BRAIN and HART protocols. Table 7.1 Error Message Summary Integral...

  • Page 31: Parameter Summary

    <8. Parameter Summary> Parameter Summary IMPORTANT NOTE If the transmitter is turned off within 30 seconds after For F Fieldbus and PROFIBUS PA OUNDATION parameters have been set, the set data will not be communication types, please refer to manuals in the stored and the terminal returns to previous settings.
  • Page 32 <8. Parameter Summary> BRAIN Communication Parameter List Instruments to which applicable: F: Differential pressure transmitters:EJA110A, EJA120A, EJA130A, EJA118W, EJA118N, EJA118Y, and EJA115 P: Pressure transmitters: EJA310A, EJA430A, EJA440A, EJA510A, EJA530A, EJA438W, and EJA438N L: Liquid level transmitters: EJA210A and EJA220A...
  • Page 33 <8. Parameter Summary> Applicability Rewrita- Item Description Remarks Default Value bility D30 TEMP UNIT Temperature setting units deg C/deg F deg C D31 STAT. P. UNIT Static pressure setting Selected from mmH As specifi ed when — units mmAq, mmWG, mmHg, Torr, ordered.
  • Page 34 <Installation and Operating Precautions for TIIS Intrinsically Safe Equipment> Installation and Operating Precautions for TIIS Intrinsically Safe Equipment Apparatus Certifi ed Under Technical Criteria (IEC-compatible Standards) and from “RECOMMENDED PRACTICES for Explosion-Protected Electrical Installations in General Industries,” published in 1979 1.
  • Page 35 <Installation and Operating Precautions for TIIS Intrinsically Safe Equipment> (1) A safety barrier which meets the combination requirements (a) refer to the equipment confi guration diagram and make electrical wiring properly; by referring to its safety rating and combination parameters shall be selected.
  • Page 36 <Installation and Operating Precautions for TIIS Flameproof Equipment> Installation and Operating Precautions for TIIS Flameproof Equipment Apparatus Certifi ed Under Technical Criteria (IEC-compatible Standards) 1. General (4) Path length of joint surface The following describes precautions on electrical apparatus of On a joint surface, the length of the shortest path through fl...
  • Page 37 IEC Standards are certifi ed in combination PROTECTED ELECTRICAL INSTALLATION” in the USER’S with the fl ameproof apparatus. So, Yokogawa-specifi ed cable GUIDELINES for Electrical Installations for Explosive Gas entry devices for fl ameproof type shall be used to meet this Atmospheres in General Industry.)
  • Page 38 Revision Information Title : EJA Series Differential Pressure and Pressure Transmitters Installation Manual Manual No. : IM 01C22A01-01E Edition Date Page Revised Item Jan. 2008 New publication Oct.2008 2.4.4 Change explosion protection marking for type n from EEx to Ex. 2.5 Update EMC conformity standards.
  • Page 39 WARNING: This CD contains software, and is for use in a computer only. Do not play this on an audio CD player, as the high volume may damage your hearing or audio speakers. Copyright © 2008 Yokogawa Electric Corporation. All Rights Reserved.
  • Page 40 Velizy-Villacoublay (France), Budapest (Hungary), Stockholm (Sweden), Sola (Norway), Warszawa (Poland), Vila Nova de Gaia (Portugal), Bucharest (Romania) YOKOGAWA AMERICA DO SUL LTDA. Praca Acapulco, 31 - Santo Amaro. Sao Paulo/SP - BRAZIL Phone : 55-11-5681-2400 Fax : 55-11-5681-4434 YOKOGAWA ENGINEERING ASIA PTE. LTD.

This manual is also suitable for:

Dpharp eja120aDpharp eja220aDpharp eja130aDpharp eja310aDpharp eja430aDpharp eja440a ... Show all

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