Yokogawa EJX118A Uživatelský manuál

User’sManualDiaphragm SealedDifferential Pressure andPressure TransmittersEJ118 and EJ438IM 01C25H01-01EIM 01C25H01-01E9th Edition

<2. Handling Cautions>2-2IM 01C25H01-01E2.4 Selecting the Installation Location The transmitter is designed to withstand severe environmen

<2. Handling Cautions>2-3IM 01C25H01-01E(b) Never apply a voltage exceeding 500 V DC (100 V DC with an internal lightning protector) for t

<2. Handling Cautions>2-4IM 01C25H01-01EIMPORTANTFor combined approval typesOnce a device of multiple approval type is installed, it should

<2. Handling Cautions>2-5IM 01C25H01-01ENote 4. Maintenance and Repair• The instrument modication or parts replacement by other than aut

<2. Handling Cautions>2-6IM 01C25H01-01E2.9.2 CSA Certicationa. CSA Intrinsically Safe TypeCaution for CSA Intrinsically safe and noninc

<2. Handling Cautions>2-7IM 01C25H01-01E• Explosion-proof for Class I, Groups B, C and D.• Dustignition-proof for Class II/III, Groups E,

<2. Handling Cautions>2-8IM 01C25H01-01E2.9.3 ATEX Certication(1) Technical Dataa. ATEX Intrinsically Safe Ex ia Caution for ATEX Intri

<2. Handling Cautions>2-9IM 01C25H01-01Eb. ATEX Flameproof TypeCaution for ATEX ameproof type.Note 1. Model EJX/EJA-E Series pressure tr

<2. Handling Cautions>2-10IM 01C25H01-01E● ATEX Intrinsically Safe Ex icCaution for ATEX intrinsically safe Ex ic• Applicable Standard: E

<2. Handling Cautions>2-11IM 01C25H01-01E(5) Maintenance and Repair WARNING The instrument modication or parts replacement by other than

iIM 01C25H01-01EDiaphragm Sealed Differential Pressure andPressure TransmittersEJ118 and EJ438IM 01C25H01-01E 9th Edition9th Edition: June 2013 (

<2. Handling Cautions>2-12IM 01C25H01-01E• Installation RequirementsUo ≤ Ui, Io ≤ Ii, Po ≤ Pi, Co ≥ Ci + Ccable, Lo ≥ Li + Lcable Voc ≤

<2. Handling Cautions>2-13IM 01C25H01-01E2.11 Pressure Equipment Directive (PED)(1) General EJX/EJA-E Series pressure transmitters are c

<3. Component Names>3-1IM 01C25H01-01E3. Component NamesF0301.aiDiaphragm sealwith flushing connection ringTransmitter section**See below

<4. Installation>4-1IM 01C25H01-01E4. Installation4.1 Precautions Before installing the transmitter, read the cautionary notes in Section

<4. Installation>4-2IM 01C25H01-01EF0402.ai50mm minimumMinimum liquid levelHighpressuresideInstall the sealed diaphragm so that the shank p

<4. Installation>4-3IM 01C25H01-01EIMPORTANTThe transmitter should be installed at least 600 mm below the high pressure (HP) process connec

<4. Installation>4-4IM 01C25H01-01E4.4 Mounting the Flushing Connection Ring4.4.1 Mounting to Pressure Detector SectionThe ushing connec

<4. Installation>4-5IM 01C25H01-01E4.5 Afxing the Teon FilmThe FEP Teon option includes a teon lm and uorinated oil. Before mounting

<5. Wiring>5-1IM 01C25H01-01E5. Wiring5.1 Wiring PrecautionsIMPORTANT• Lay wiring as far as possible from electrical noise sources such

<5. Wiring>5-2IM 01C25H01-01E5.3.4 Check Meter ConnectionAvailable only when /AL is not specied.Connect the check meter to the CHECK + an

iiIM 01C25H01-01E4.5 Afxing the Teon Film ... 4-54.6 Rotating Tra

<5. Wiring>5-3IM 01C25H01-01E(2) Flameproof TypeWire cables through a ameproof packing adapter, or use a ameproof metal conduit. Wiri

<6. Operation>6-1IM 01C25H01-01E6. Operation6.1 Preparation for Starting OperationThis section describes the operation procedure for the

<6. Operation>6-2IM 01C25H01-01EUsing the integral indicator• If the wiring system is faulty, the display stays blank.• If the transmitte

<6. Operation>6-3IM 01C25H01-01E(2) When you cannot obtain the Low Range Value from the actual measured value of 0%;Adjust the transmitter

<6. Operation>6-4IM 01C25H01-01EF0606.aiDrain screwWhen you loosen the drain screw, the accumulated liquid(or gas) will be expelled in the

<6. Operation>6-5IM 01C25H01-01EIMPORTANT• Do not turn off the power to the transmitter immediately after completion of the change in the

<8. Maintenance>7-1IM 01C25H01-01E7. Maintenance7.1 OverviewWARNING Since the accumulated process uid may be toxic or otherwise harmful

<8. Maintenance>7-2IM 01C25H01-01ETable 7.1 Instruments Required for CalibrationName Yokogawa-recommended Instrument RemarksPower supply M

<8. Maintenance>7-3IM 01C25H01-01E7.4 Disassembly and ReassemblyThis section describes procedures for disassembly and reassembly for maint

<8. Maintenance>7-4IM 01C25H01-01EF0703.aiPressforwardOutput terminal cableZero-adjustmentscrew pinSlide switchBossZero-adjustmentscrewInte

iiiIM 01C25H01-01E8. General Specications ... 8-18.1 Standard Specication

<8. Maintenance>7-5IM 01C25H01-01EThis transmitter is equipped with a self-diagnostic function which will be useful in troubleshooting, and

<8. Maintenance>7-6IM 01C25H01-01EConnect BRAIN TERMINAL and check self-diagnostics.Does the self-diagnostic indicate problemlocation?Conta

<8. Maintenance>7-7IM 01C25H01-01E7.5.3 Alarms and CountermeasuresTable 7.3 Alarm Message SummaryIndicator CauseOutput Operationduring Er

<8. General Specications>8-1IM 01C25H01-01E8. General Specications8.1 Standard SpecicationsRefer to IM 01C25T02-01E for FOUNDATION Fie

<8. General Specications>8-2IM 01C25H01-01E Normal Operating Condition(Selected features may affect limits.)Ambient Temperature Limits–4

<8. General Specications>8-3IM 01C25H01-01EProcess temperaturefor fill fluid code EProcess temperaturefor fill fluid code DFlange max.work

<8. General Specications>8-4IM 01C25H01-01ESupply & Load Requirements “◊” (Optional features or approval codes may affect electrical r

<8. General Specications>8-5IM 01C25H01-01EElectrical ConnectionsSee “Model and Sufx Codes.”Transmitter Mounting2-inch pipe mountingWette

<8. General Specications>8-6IM 01C25H01-01EF0804.aiI Transmitter body section II Diaphragm seal sectionSee Page 8-6 See Page 8-7Flush type

<8. General Specications>8-7IM 01C25H01-01EEJ438I. Transmitter body sectionF0806-1.aiEJ438Model Sufx codes DescriptionEJX438AEJA438E

<1. Introduction>1-1IM 01C25H01-01E1. IntroductionThank you for purchasing the DPharp Differential Pressure and pressure transmitter.Your

<8. General Specications>8-8IM 01C25H01-01EII. Diaphragm seal section (Flush type)● Process connection size: 3-inch (80 mm) / 2-inch (50

<8. General Specications>8-9IM 01C25H01-01EThe “►” marks indicate the most typical selection for each specication. Example: EJX118A-DMSC

<8. General Specications>8-10IM 01C25H01-01EII. Diaphragm seal section (Flush type)● Process connection size: 1 1/2-inch (40 mm)F0808-1.a

<8. General Specications>8-11IM 01C25H01-01EII. Diaphragm seal section (Extended type)● Process connection size: 4-inch (100 mm) / 3-inch

<8. General Specications>8-12IM 01C25H01-01E*1: See table 8.3 ‘Gasket contact surface’ on page 8-4.*2: Even in case where ll uid code

<8. General Specications>8-13IM 01C25H01-01EII. Diaphragm seal section (Combination type)● Process connection size: Low pressure side; 4-i

<8. General Specications>8-14IM 01C25H01-01E8.3 Optional Specications “◊”Item Description CodeFactory Mutual (FM) FM Explosionproof *1Ex

<8. General Specications>8-15IM 01C25H01-01EItem Description CodeOil-prohibited use Degrease cleansing treatment. K1Oil-prohibited usewit

<8. General Specications>8-16IM 01C25H01-01E*6: The unit of MWP (Max. working pressure) on the name plate of a housing is the same unit

<8. General Specications>8-17IM 01C25H01-01E8.4 Dimensions Transmitter body sectionUnit: mm (Approx.: inch)F0811.ai54(2.13)6(0.24)Elect

<1. Introduction>1-2IM 01C25H01-01E• The following safety symbols are used in this manual:WARNING Indicates a potentially hazardous situat

<8. General Specications>8-18IM 01C25H01-01E< Diaphragm seal section >• With ring (flushing connection ring code 1, 2, 3, 4, A, B, C

<8. General Specications>8-19IM 01C25H01-01EUnit: mm (Approx.: inch)Process ange size: 4 inch (100 mm)Code Flange rating øD øC øg ød t f*

<8. General Specications>8-20IM 01C25H01-01ESUPPLY CHECKor ALARM +–+–  Terminal Configuration Power supply and output terminalExternal i

iIM 01C25H01-01ERevision Information Title : Diaphragm Sealed Differential Pressure and Pressure Transmitters EJ118 and EJ438 Manual No. :

iiIM 01C25H01-01EEdition Date Page Revised Item7th Mar. 2012 2-38-48-5 to 8-62.98.18.2• Add note for blind plugs.• Change description for a plate mate

<1. Introduction>1-3IM 01C25H01-01E(c) Operation• Wait 5 min. after the power is turned off, before opening the covers.(d) Maintenance•

<1. Introduction>1-4IM 01C25H01-01E1.3 ATEX DocumentationThis is only applicable to the countries in European Union.GBDKIENLSFPFDSLTLVPLES

<2. Handling Cautions>2-1IM 01C25H01-01E2. Handling CautionsThis chapter provides important information on how to handle the transmitter.