Yokogawa EJX440A Manuel d'utilisateur

User’sManualYokogawa Electric CorporationEJX SeriesHART Communication TypeIM 01C25T01-01EIM 01C25T01-01E6th Edition

<2. Conditions of Communication Line>2-1IM 01C25T01-01E2. Conditions of Communication LineThe HART communication signal is superimposed on

<3. Operation>3-1IM 01C25T01-01E3. Operation3.1 Basic Operation of the 275 HART Communicator3.1.1 Keys and FunctionsLCD (liquid crystal

<3. Operation>3-2IM 01C25T01-01E3.1.2 DisplayThe HART communicator searches for a transmitter on the 4 to 20 mA loop when it is turned on.

<3. Operation>3-3IM 01C25T01-01E1F0304.aiDisplay appears when the HART Communicator is turned on.Select Device setup.EJX:YOKOGAWAOnli

<3. Operation>3-4IM 01C25T01-01E3.2 Parameter Usage and SelectionBefore setting a parameter, please see the following table for a summary

<3. Operation>3-5IM 01C25T01-01EItemHART communicatorDescription PageMonitoring Pres and Pres % Pressure variable and % output variable—AO

<3. Operation>3-6IM 01C25T01-01E3.3 Menu Tree1 Device setup2 Pres 3 AO 4 LRV5 URV1 Process variables2 Diag/Service3 Basic setup4

<3. Operation>3-7IM 01C25T01-01EA5 Diag Output1 Diag Out Option2 Diag Fixed Out Val3 Ref Lim BlkFmax1 Set Diag Mode2 Diag Period3 Diag Lim4

<3. Operation>3-8IM 01C25T01-01E3.4 Basic Setup3.4.1 Tag and Device InformationTo change the Tag No., see section 3.1.4 Entering, Setting

<3. Operation>3-9IM 01C25T01-01E3.4.3 Range ChangeTherangevaluesarefactory-setasspeciedbythe customer. To change the range, follo

iIM 01C25T01-01EEJX SeriesHART Communication TypeIM 01C25T01-01E 6th Edition6th Edition: Apr. 2010(KP)All Rights Reserved, Copyright © 2004, Yokogawa

<3. Operation>3-10IM 01C25T01-01E(2) Apply values — changing the ranges while applying an actual Input • This feature allows the lower an

<3. Operation>3-11IM 01C25T01-01E3.4.5 Damping Time Constant SetupThedampingtimeconstantissetasspeciedinthe order when the instr

<3. Operation>3-12IM 01C25T01-01EThe low cut point has hysteresis so that the output aroundthepointisbehavedasbelowgure.<Example

<3. Operation>3-13IM 01C25T01-01E3.5.2 Integral Indicator Display ModeThe mode setting for the output signal and the integral indicator ca

<3. Operation>3-14IM 01C25T01-01Ea. Display Selection At Disp select, select the variable that the parameter Disp Out 1 will display on t

<3. Operation>3-15IM 01C25T01-01ENote that following symbols are not available: # % & < > . * : + -The integr

<3. Operation>3-16IM 01C25T01-01E3.5.5 Unit for Displayed Static PressureFollow the procedure to change the static pressure unit.Changing

<3. Operation>3-17IM 01C25T01-01ENOTETest output continues for approximately 10 minutes, then is released automatically. Even if the HART c

<3. Operation>3-18IM 01C25T01-01E11. Device setup2. Diag/Service3. Calibration3. Pres sensor trim2. Pres TrimEJX:YOKOGAWASelect trim mode 1

<3. Operation>3-19IM 01C25T01-01Eb. ManualSensorTrimSuppose that a standard pressure of 1000 mmH2O is applied and the value of the Pres

iiIM 01C25T01-01E3.5.8 Trim Analog Output ...3-203.5.9 Burst Mode ...

<3. Operation>3-20IM 01C25T01-01E3.5.8 Trim Analog OutputFine current output adjustment is carried out with D/A trim or Scaled D/A trim.•

<3. Operation>3-21IM 01C25T01-01E1F0334-1.aiSelect the Scaled D/A trim item.EJX:YOKOGAWAAnalog output trim 1 D/A trim 2 Scaled D/A trim 3 C

<3. Operation>3-22IM 01C25T01-01E3.5.9 Burst ModeWhen the burst mode is set on, the transmitter continuously sends stored data. Either the

<3. Operation>3-23IM 01C25T01-01ENOTE1. When the polling option is set as Never Poll or Poll Using Tag, the online menus cannot be called

<3. Operation>3-24IM 01C25T01-01E3.5.12 CPU Failure Burnout Direction and Hardware Write ProtectThere are two slide switches on the CPU ass

<3. Operation>3-25IM 01C25T01-01E(1) Setting PasswordF0341.ai(ENTER)(DEL)EJX:Hot key 1 keypad input 2 Wrt protect menuHELP SEND ESC ENTERP

<3. Operation>3-26IM 01C25T01-01E3.5.14 Signal CharacterizerThis function is used to compensate the output for non-linear applications. The

<3. Operation>3-27IM 01C25T01-01E3.5.15 Process AlarmThe function is used to display the alarm codes whentheinputpressureexceedsthesp

<3. Operation>3-28IM 01C25T01-01E Status output for higher alert value Status output for lower alert value*5% of the setting span of diff

<3. Operation>3-29IM 01C25T01-01E3.5.17 Capillary Fill Fluid Density Compensation For transmitters with diaphragm seals, this function is u

iiiIM 01C25T01-01EA1.2.4 Required Parameter Settings ...A-1A1.2.5 Proof Testing ...

<3. Operation>3-30IM 01C25T01-01EF0353.ai1. Device setup4. Detailed setup2. Signal condition T.Z. Cmp menu2. Temp ZeroExample: Enter K

<4. Diagnostics>4-1IM 01C25T01-01E4. Diagnostics4.1 Self-Diagnostics4.1.1 IdentifyProblemsbyUsingtheCommunicatorThe HART communicat

<4. Diagnostics>4-2IM 01C25T01-01E4.2 Advanced Diagnostics4.2.1 Multi-sensing Process MonitoringMulti-sensing process monitoring function

<4. Diagnostics>4-3IM 01C25T01-01E FunctionalblockdiagramThegurebelowshowsthefunctionalblockdiagramofILBD.EJXSensorProcess Va

<4. Diagnostics>4-4IM 01C25T01-01E4.2.2.1 Blockage Detection Limit parameterWhentheparameterbasedonpressureuctuationexceeds the

<4. Diagnostics>4-5IM 01C25T01-01E A/B Blocking Detection“A Blocking” and “B Blocking” indicates the result estimated from blockage degre

<4. Diagnostics>4-6IM 01C25T01-01EIf “Large Fluct L” or “Large Fluct H” is detected, consider whether a blockage result is correct.Thethre

<4. Diagnostics>4-7IM 01C25T01-01E4.2.2.3 Operation Parameters Diag ModeDiag Mode gives the directive for the ILBD operation. There are

<4. Diagnostics>4-8IM 01C25T01-01E4.2.2.4 Operating ProcedureThebasicowoftheILBDoperationisasfollows.1) Initial setting2) Condit

<4. Diagnostics>4-9IM 01C25T01-01E4.2.2.5 Alarm and Alert SettingThe abnormal results as the blockage detection and high/lowangetempera

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<4. Diagnostics>4-10IM 01C25T01-01ENOTEUseDevicedescription(DD)leforparametersetting. Alarm Masking Diag OptionThe alarms linke

<4. Diagnostics>4-11IM 01C25T01-01ENOTEThe alarms of “Invalid Ref xx” and “ILBD over range” do not link to the 4-20 mA analog signal and St

<4. Diagnostics>4-12IM 01C25T01-01E Start of SamplingThe sampling of reference value is carried out for 180 sec, which is the default val

<4. Diagnostics>4-13IM 01C25T01-01E5) Check also the operation of the analog alert if an analog alert is set.6) Open the valve completely a

<4. Diagnostics>4-14IM 01C25T01-01EThe default values at the factory setting are the values of Lim fDPmax to Lim BlkFmin shown in Figure 4.

<4. Diagnostics>4-15IM 01C25T01-01E4.2.2.12 ILBD Parameter List# Parameter name Default value Expanation1 Diag Error 0x0000 The results det

<4. Diagnostics>4-16IM 01C25T01-01E# Parameter name Default value Expanation27 Ref fDP Status Status of fDP obtained under normal condition

<4. Diagnostics>4-17IM 01C25T01-01E4.2.3 Heat Trace MonitoringThe EJX with Heat trace monitoring function calculatestheangetemperature

<4. Diagnostics>4-18IM 01C25T01-01E4.2.3.2 Out of Temperature Measurement RangeWhentheangetemperatureisoutofmeasurement range, the

<4. Diagnostics>4-19IM 01C25T01-01E4.3 Alarms and CountermeasuresTable4.3.1 AlarmMessageSummaryIntegral indicatorHART communicator dis

<1. Introduction>1-1IM 01C25T01-01E1. IntroductionThank you for purchasing the DPharp EJX electronic pressure transmitter.EJX pressure tra

<4. Diagnostics>4-20IM 01C25T01-01EIntegral indicatorHART communicator displayCauseOutput operation during errorCountermeasureStatus groupA

<4. Diagnostics>4-21IM 01C25T01-01ETable4.3.2 HARTCommunicatorErrorMessagesError message Probablecause CountermeasureInvalid selectio

<5. Parameter Summary>5-1IM 01C25T01-01E5. Parameter SummaryFunction Label Item Contents Default valueHandlingFast key sequencesAnalog out

<5. Parameter Summary>5-2IM 01C25T01-01EFunction Label Item Contents Default valueHandlingFast key sequencesDiag Lim Lim fDPmax Upper limit

<5. Parameter Summary>5-3IM 01C25T01-01EFunction Label Item Contents Default valueHandlingFast key sequencesDisplay setup Bar indicator Bar

<5. Parameter Summary>5-4IM 01C25T01-01EFunction Label Item Contents Default valueHandlingFast key sequencesProcess Alert Digital Output Di

<5. Parameter Summary>5-5IM 01C25T01-01EFunction Label Item Contents Default valueHandlingFast key sequencesStatic pressure setup A/G Selec

<Appendix 1. Safety Instrumented Systems Installation>A-1IM 01C25T01-01EAppendix 1. Safety Instrumented Systems InstallationWARNING The co

<Appendix 1. Safety Instrumented Systems Installation>A-2IM 01C25T01-01ETableA1.2.5 ProofTestingTesting method Tools required Expected o

<Appendix 1. Safety Instrumented Systems Installation>A-3IM 01C25T01-01EA1.3 DenitionsandAbbreviationsA1.3.1 DenitionsSafety Freedom

<1. Introduction>1-2IM 01C25T01-01E(a) Installation• This instrument may only be installed by an engineer or technician who has an expert

<Appendix 2. ILBD Check List>A-4IM 01C25T01-01EAppendix 2. ILBD Check ListFilloutthebelowchecklistaccordingtotheoperationowoft

<Appendix 2. ILBD Check List>A-5IM 01C25T01-01EChecklist (2/5)No. Items Parameters Result Example8 Alarm status• Check the alarm status sh

<Appendix 2. ILBD Check List>A-6IM 01C25T01-01EChecklist (3/5)Go to the following step according to the result of "Invalid Ref xx"

<Appendix 2. ILBD Check List>A-7IM 01C25T01-01EChecklist (4/5)No. Items Parameters Result Example10-a-2 L Side Blocking• Close the low-pre

<Appendix 2. ILBD Check List>A-8IM 01C25T01-01EChecklist (5/5)No. Items Parameters Result Example10-b Simulation of Blockage detection oper

iIM 01C25T01-01ERevision Information Title : EJX Series HART Communication Type Manual No. : IM 01C25T01-01EEdition Date Page Revised Item1s

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<1. Introduction>1-3IM 01C25T01-01E1.3 ATEX DocumentationThis setion is only applicable to the countries in the European Union.GBDKIENLSFP

<1. Introduction>1-4IM 01C25T01-01E1.4 Matching of Communicator DD and Instrument DDCAUTIONBefore using the 275 HART Communicator, make th