Yokogawa EJA115 Bedienungsanleitung

User’sManualYokogawa Electric CorporationModel EJA SeriesHART ProtocolIM 01C22T01-01EIM 01C22T01-01E8th Edition

IM 01C22T01-01E2-32. HART COMMUNICATOR OPERATION2.2.2 DisplayThe HART communicator searches for a transmitter onthe 4 to 20mA loop when it is turned

IM 01C22T01-01E2-42. HART COMMUNICATOR OPERATION1F0205.EPSDisplay appears when the HART Communicator is turned on.Select Device setup.EJA:YOKOG

IM 01C22T01-01E2-52. HART COMMUNICATOR OPERATION2.3 Parameters2.3.1 Parameter Usage and SelectionBefore describing the procedure for setting paramete

IM 01C22T01-01E2-62. HART COMMUNICATOR OPERATION2.3.2 Menu Tree1 DEVICE SETUP2 Pres3 A01 Out4LRV5URVOnline Menu1PROCESSVARIABLES2DIAGNOSTICSAND SERVI

IM 01C22T01-01E2-72. HART COMMUNICATOR OPERATION2.3.3 Setting Parameters(1) Tag No.To change the Tag No., see section 2.2.4 Entering,Setting, and Sen

IM 01C22T01-01E2-82. HART COMMUNICATOR OPERATIONNOTEIt is possible to set LRV  URV. This settingreverses the 4 to 20 mA output signal.Conditions: L

IM 01C22T01-01E2-92. HART COMMUNICATOR OPERATION(5) Damping Time ConstantsThe damping constant is set to 2.0 seconds at thefactory. When changing the

IM 01C22T01-01E2-102. HART COMMUNICATOR OPERATION(7) Bi-directional Flow Measurement(a) Bi-dir mode enables selection of 50% output at aninput of 0 m

IM 01C22T01-01E2-112. HART COMMUNICATOR OPERATION(10) Integral Indicator ScaleT0204.EPSDisplayModeDisplayRelatedParametersNORMAL %USER SETUSER &

IM 01C22T01-01E2-122. HART COMMUNICATOR OPERATIONF0224.EPSSet –50, and press ENTER (F4).EJA:Engr disp LRV 0.0 0.0DEL DEL ESC ENTEREJA: Engr disp

iCONTENTSIM 01C22T01-01ECONTENTSPRELIMINARY ... i

IM 01C22T01-01E2-132. HART COMMUNICATOR OPERATION(13) Test OutputThis feature can be used to output a fixed current from3.2 mA (–5%) to 21.6 mA (110%

IM 01C22T01-01E2-142. HART COMMUNICATOR OPERATIONF02282.EPSEJA:Press OK whenpressure is stableHELP DEL ABORT OK3Press OK (F4).EJA:Enter appliedpress

IM 01C22T01-01E2-152. HART COMMUNICATOR OPERATION6F0231.EPSBecause the reading on the ammeter is 4.000 mA, select YES and press ENTER (F4).If the rea

IM 01C22T01-01E2-162. HART COMMUNICATOR OPERATIONF0233.EPSEJA:Enter meter value 1.000HELP ABORT998Enter the reading of the voltmeter (1.010), and

IM 01C22T01-01E2-172. HART COMMUNICATOR OPERATION(17) Multidrop Mode“Multidropping” transmitters refers to the connectionof several transmitters to a

IM 01C22T01-01E2-182. HART COMMUNICATOR OPERATION(19) Software Write ProtectEJA configured data is saved by the write protectfunction. Write protect

IM 01C22T01-01E2-192. HART COMMUNICATOR OPERATIONNOTE1. Enable Wrt 10 min releases Write Protectstatus for 10 minutes. While Write Protectstatus is r

IM 01C22T01-01E2-202. HART COMMUNICATOR OPERATION2.4 Self-Diagnostics2.4.1 Checking for Problems(1) Identify Problems with HART Communica-torSelf-dia

IM 01C22T01-01E2-212. HART COMMUNICATOR OPERATION(2) Checking with Integral IndicatorIf an error is detected in the self-diagnostic, an errornumber i

IM 01C22T01-01E3-13. PARAMETER LISTS3. PARAMETER LISTST0301.EPSTransmitterDisplayHART outputMonitoringMainenanceItem UHI Description RemarksTagDescri

iiPRELIMINARYIM 01C22T01-01EPRELIMINARYThis manual describes the function, performance, andoperating procedures of the DPharp EJA Series withHART prot

IM 01C22T01-01E3-23. PARAMETER LISTST0302.EPSSensor informationAdditional informationItem UHI Description RemarksZero trimLower sensor trimUpper sens

IM 01C22T01-01EREVISION RECORDTitle: Model EJA Series HART ProtocolManual No.: IM 01C22T01-01EEdition Date Page Revised Item1st Nov. 1995 – New public

IM 01C22T01-01E1-11. ZERO POINT ADJUSTMENT1. ZERO POINT ADJUSTMENTAfter operating preparation is completed, adjust thezero point. The zero point adju

IM 01C22T01-01E1-21. ZERO POINT ADJUSTMENT1.1.1 Using the HART Communicator(1) Zeroing — Zero trimNOTEZero trim carries out the zero adjustment andse

IM 01C22T01-01E1-31. ZERO POINT ADJUSTMENT1.2 Auto LRV (Change LowRange Value)1.2.1 Using Model 275 — Apply ValuesDisplay the Apply Values display, a

IM 01C22T01-01E1-41. ZERO POINT ADJUSTMENTIMPORTANT1. Do not turn off the power to the transmitterimmediately after completion of the change inthe LR

IM 01C22T01-01E2-12. HART COMMUNICATOR OPERATION2. HART COMMUNICATOR OPERATION2.1 Conditions of Communica-tion Line2.1.1 Interconnection Between DPha

IM 01C22T01-01E2-22. HART COMMUNICATOR OPERATION2.2 Basic Operation of the HART Communicator (Model 275)2.2.1 Keys and Functions LCD (Liquid crystal