Yokogawa EJX115A Manuel d'utilisateur

User’sManualLow Flow TransmitterEJX115A and EJA115EIM 01C25K01-01EIM 01C25K01-01E6th Edition

<2. Handling Cautions>2-2IM 01C25K01-01E2.4 Selecting the Installation Location The transmitter is designed to withstand severe environmen

<2. Handling Cautions>2-3IM 01C25K01-01E(b) Never apply a voltage exceeding 500 V DC (100 V DC with an internal lightning protector) for t

<2. Handling Cautions>2-4IM 01C25K01-01EIMPORTANTFor combined approval typesOnce a device of multiple approval type is installed, it should

<2. Handling Cautions>2-5IM 01C25K01-01ENote 4. Maintenance and Repair• The instrument modication or parts replacement by other than aut

<2. Handling Cautions>2-6IM 01C25K01-01E2.9.2 CSA Certicationa. CSA Intrinsically Safe TypeCaution for CSA Intrinsically safe and noninc

<2. Handling Cautions>2-7IM 01C25K01-01E• Explosion-proof for Class I, Groups B, C and D.• Dustignition-proof for Class II/III, Groups E,

<2. Handling Cautions>2-8IM 01C25K01-01E2.9.3 ATEX Certication(1) Technical Dataa. ATEX Intrinsically Safe Ex ia Caution for ATEX Intri

<2. Handling Cautions>2-9IM 01C25K01-01Eb. ATEX Flameproof TypeCaution for ATEX ameproof type.Note 1. Model EJX/EJA-E Series pressure tr

<2. Handling Cautions>2-10IM 01C25K01-01E● ATEX Intrinsically Safe Ex icCaution for ATEX intrinsically safe Ex ic• Applicable Standard: E

<2. Handling Cautions>2-11IM 01C25K01-01E(5) Maintenance and Repair WARNING The instrument modication or parts replacement by other than

iIM 01C25K01-01ELow Flow TransmitterEJX115A and EJA115EIM 01C25K01-01E 6th Edition6th Edition: June 2013 (YK)All Rights Reserved, Copyright © 2008, Y

<2. Handling Cautions>2-12IM 01C25K01-01E• Installation RequirementsUo ≤ Ui, Io ≤ Ii, Po ≤ Pi, Co ≥ Ci + Ccable, Lo ≥ Li + Lcable Voc ≤

<2. Handling Cautions>2-13IM 01C25K01-01E2.11 Pressure Equipment Directive (PED)(1) GeneralEJX/EJA-E Series pressure transmitters are cat

<3. Component Names>3-1IM 01C25K01-01E3. Component NamesHIGH LOWBurnout DirectionSwitch PositionBurnout direction switchWrite protection s

<4. Installation>4-1IM 01C25K01-01E4. Installation4.1 Precautions Before installing the transmitter, read the cautionary notes in section

<4. Installation>4-2IM 01C25K01-01EF0402.aiVertical pipe mounting(Process connector upside)Vertical pipe mounting(Process connector downsid

<4. Installation>4-3IM 01C25K01-01E3) Tighten the two setscrews to x the pressure-detector section and transmitter section together (at a

<5. Installing Impulse Piping>5-1IM 01C25K01-01E5. Installing Impulse Piping5.1 Process Piping Installation PrecautionsThe manifold conta

<5. Installing Impulse Piping>5-2IM 01C25K01-01E(3) Preventing FreezingIf there is any risk that the process uid in the transmitter press

<6. Wiring>6-1IM 01C25K01-01E6. Wiring6.1 Wiring PrecautionsIMPORTANT• Lay wiring as far as possible from electrical noise sources such

<6. Wiring>6-2IM 01C25K01-01E6.3.4 Check Meter ConnectionAvailable only when /AL is not specied.Connect the check meter to the CHECK + an

iiIM 01C25K01-01E5. Installing Impulse Piping ... 5-15.1 Process Piping Instal

<6. Wiring>6-3IM 01C25K01-01E(2) Flameproof TypeWire cables through a ameproof packing adapter, or use a ameproof metal conduit.  Wiri

<7. Operation>7-1IM 01C25K01-01E7. Operation7.1 Preparation for Starting OperationThe Model EJ115 low ow transmitter measures the ow

<7. Operation>7-2IM 01C25K01-01E Verify and Change Transmitter Parameter Setting and ValuesThe parameters related to the following items

<7. Operation>7-3IM 01C25K01-01EIMPORTANT• Remove the BT200 from the terminal box, and conrm that none of the terminal screws are loose.•

<7. Operation>7-4IM 01C25K01-01E Reynolds Number CalculationRe = 354 (3)WD.µWhere, Re: Reynolds number at normal ow rate W: Weight o

<7. Operation>7-5IM 01C25K01-01EF0706.ai0.508 0.864 1.511 2.527 4.039 6.3500.5 1 5 10 50 100 500 10000.5 1 5 10 50 100 500 1000200100501051

<7. Operation>7-6IM 01C25K01-01E7.6 Venting or Draining Transmitter Pressure-detector SectionSince this transmitter is designed to be self

<7. Operation>7-7IM 01C25K01-01E[Example] Rerange LRV to 0 and URV to 3 MPa.1) Connect the transmitter and apparatus as shown in Figure 8.

<8. Maintenance>8-1IM 01C25K01-01E8. Maintenance8.1 OverviewWARNING Since the accumulated process uid may be toxic or otherwise harmful

<8. Maintenance>8-2IM 01C25K01-01ETable 8.1 Instruments Required for CalibrationName Yokogawa-recommended Instrument RemarksPower supply M

iiiIM 01C25K01-01E8.5 Troubleshooting ... 8-68.5.1 Basi

<8. Maintenance>8-3IM 01C25K01-01E8.4 Disassembly and ReassemblyThis section describes procedures for disassembly and reassembly for maint

<8. Maintenance>8-4IM 01C25K01-01E8.4.2 Replacing the CPU Board AssemblyThis subsection describes the procedure for replacing the CPU asse

<8. Maintenance>8-5IM 01C25K01-01EIMPORTANTExercise care as follows when cleaning the manifold assembly.• Handle the manifold assembly wit

<8. Maintenance>8-6IM 01C25K01-01E Removing the Capsule AssemblyIMPORTANTExercise care as follows when cleaning the capsule assembly.• H

<8. Maintenance>8-7IM 01C25K01-01EAbnormalities appear in measurement.: Areas where self-diagnostic offers supportIs process variableitself

<8. Maintenance>8-8IM 01C25K01-01EConnect a communicator and check self-diagnostics.Does the self-diagnostic indicate problemlocation?Conta

<8. Maintenance>8-9IM 01C25K01-01E8.5.3 Alarms and CountermeasuresTable 8.1 Alarm Message SummaryIndicator CauseOutput Operationduring E

<9. General Specications>9-1IM 01C25K01-01E9. General Specications9.1 Standard SpecicationsRefer to IM 01C25T02-01E for FOUNDATION Fie

<9. General Specications>9-2IM 01C25K01-01EWorking Pressure Limits (Silicone oil) Maximum Pressure LimitsAll capsules 16 MPa (2300 psi)

<9. General Specications>9-3IM 01C25K01-01E Physical SpecicationsWetted Parts MaterialsDiaphragm, Cover Flange, Process Connector, Caps

<1. Introduction>1-1IM 01C25K01-01E1. IntroductionThank you for purchasing the DPharp Low ow transmitter.Your Pressure Transmitter was pr

<9. General Specications>9-4IM 01C25K01-01E9.2 Model and Sufx CodesModel Sufx Codes DescriptionEJX115AEJA115E . . . . . . . . . . . . .

<9. General Specications>9-5IM 01C25K01-01E9.3 Optional Specications Item Description CodeFactory Mutual (FM) FM Explosionproof *1Explos

<9. General Specications>9-6IM 01C25K01-01EItem Description CodeLightning protector Transmitter power supply voltage:10.5 to 32 V DC (10.5

<9. General Specications>9-7IM 01C25K01-01E9.4 Dimensions[Measurement span code M and H]Unit: mm (approx. inch)95(3.74)242(9.53)129(5.08)

<9. General Specications>9-8IM 01C25K01-01E[Measurement span code F]Unit: mm (approx. inch)F0905.ai94(3.70)72(2.83)95(3.74)159(6.26)124(4.

iIM 01C25K01-01ERevision Information Title : Low Flow Transmitter EJX115A and EJA115E Manual No. : IM 01C25K01-01EEdition Date Page Revised I

<1. Introduction>1-2IM 01C25K01-01EWARNING Indicates a potentially hazardous situation which, if not avoided, could result in death or seri

<1. Introduction>1-3IM 01C25K01-01E(c) Operation• Wait 5 min. after the power is turned off, before opening the covers.(d) Maintenance•

<1. Introduction>1-4IM 01C25K01-01E1.3 ATEX DocumentationThis is only applicable to the countries in European Union.GBDKIENLSFPFDSLTLVPLES

<2. Handling Cautions>2-1IM 01C25K01-01E2. Handling CautionsThis chapter provides important information on how to handle the transmitter.