Siemens SITRANS LR 300 Manuel d'instructions

SITRANS LR 300Instruction ManualSITRANS LR 300July 2002

Page 8 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmSpecificationsPerformance1• frequency: 5.8 GHz (U.S.A. 6.3 GHz)• accuracy at 20° C: ±15mm

Page 98 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix IIAppendix IIProgramming ChartNumber Parameter Name Value001 Operation002 Materi

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 99mmmmmAppendix II700 Maximum Fill Rate701 Maximum Empty Rate709 Damping Filter711 Echo Lock712

Page 100 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix II923 Distance Measurement924 Volume Measurement927 Distance Measurement (%)Num

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 101mmmmmAppendix IIIAppendix IIIAmbient/Operating Temperature Specification The chart above is p

Page 102 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix IVAppendix IVProcess Pressure/Temperature de-RatingRod Antenna ANSI Hole Patter

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 103mmmmmAppendix IVRod Antenna DN Hole Pattern, PN161, 2Rod Antenna Threaded Connection1. UHMW-

Page 104 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix IVRod Antenna Sanitary Connection1Horn Antenna or Wave Guide – ANSI Hole Patter

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 105mmmmmAppendix IVHorn Antenna or Wave Guide DN Hole Pattern, PN161Horn Antenna Sanitary Connec

Page 106 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix IVNotes:• The Process Device Tag shall remain with the process pressure boundar

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 107mmmmmAppendix VAppendix VTypical Power ConsumptionIQ Radar 300 Typical Consumption w ith 50H

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 9mmmmmSpecificationsSanitary Antennas (FDA approved materials):• dielectric rod: one piece UHMW

Page 108 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIAppendix VIHART Communications for the SITRANS LR 300Highway Addressable Remo

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 109mmmmmAppendix VIHART Communicator 275:Chart 11. Level2. AO3. Device Setup4. Refresh1. Reset +

Page 110 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIChart 21. Master Reset2. Standard Group3. IQ Quick Group4. Volume Group5. Fai

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 111mmmmmAppendix VIChart 3Detailed Setup1. Echo Filter2. Echo Select3. TVT Setup4. Echo Quality1

Page 112 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIChart 41. Poll addr2. Num req preams3. Num resp preamsAnalog Ouput1. Write pr

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 113mmmmmAppendix VISupported HART Commands:The SITRANS LR 300 conforms to HART rev. 5 and suppor

Page 114 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIAppendix VII: Profibus PAProfibus PA Communications for the SITRANS LR 300Pr

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 115mmmmmAppendix VIIBus TerminationPower DemandsThe maximum number of devices that can be connec

Page 116 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIWhen you select a module, for each of the four values there are two alternat

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 117mmmmmAppendix VIIExample 2:Status WordValues in hex notation Description0x80 Data is GOOD.0x4

Page 10 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmSpecificationsProcess• material dielectric: εr > 1.8 for εr < 3, you should use

Page 118 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIDiagnosticsThe last four bytes of the extended diagnostics message are as fo

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 119mmmmmAppendix VIIProfibus Level Device DesignThe device follows the profile block model and i

Page 120 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIITransducer Block - Level The Transducer Block meets Profile 3.0 class A requ

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 121mmmmmAppendix VIIParameter StructureThe diagram below shows a level application and the param

Page 122 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIFunction Blocks – Analog InputThe Analog Input (AI) function blocks produce

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 123mmmmmAppendix VII5. The Failsafe is checked against the status value from the TB OUT, or from

Page 124 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIPhysical Block 1This is the only physical block for the device. Relative Ind

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 125mmmmmAppendix VIITransducer Block 1This is the only transducer block for the device. 19 FACTO

Page 126 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VII20 CAL_POINT_LO PAR_TB_SENSOR_CALindex [1,1]Float21 CAL_POINT_HI PAR_TB_SEN

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 127mmmmmAppendix VIIReserviced43..5253 SECONDARY_VALUE_3 Level Out value in percent DS33-OUT VAL

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 11mmmmmSpecificationsProgrammer (remote keypad)Intrinsically Safe Programmer (I.S.) Model for h

Page 128 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VII69 Echo Data PAR_NEAR_BLANKING;PAR_RANGE_EXTENSIONPAR_ALGORITHMPAR_WINDOW_SI

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 129mmmmmAppendix VIIFunction Block 1 - LevelThe first analog input function block produces the l

Page 130 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIFunction Block 2 - SpaceThe second analog input function block produces the

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 131mmmmmAppendix VIIFunction Block 3 - DistanceThe third analog input function block produces th

Page 132 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIIAppendix VIII: hazardous area installationsInstructions specific to hazard

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 133mmmmmAppendix VIIIIf the equipment is likely to come into contact with aggressive substances,

Page 134 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix VIIISITRANS LR 300.book Page 134 Monday, June 10, 2002 7:18 PM

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 1mmmmmIndexIndexAalgorithms 76analog output 45in RUN mode 47analog output levelin PROGRAM mode

Page 2 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CLO2mmmmmIndexmounting (continued)stilllpipe or sidepipe 31threaded rod antenna 29waveguide antenna

IQ300IX.fm Page 5 Tuesday, October 2, 2001 1:43 PM

Page 12 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmSpecificationsSITRANS LR 300.book Page 12 Monday, June 10, 2002 7:18 PM

*7ml19985cl02*Siemens Milltronics Process Instruments Inc. 2002Subject to change without prior notice.Rev. 2.4

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 13mmmmmInstallationInstallationMounting Location• Do not mount in direct sunlight without the us

Page 14 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationBeam SpreadingPolarization EffectMounting the unit too close to a wall may ca

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 15mmmmmInstallationDimensions: SITRANS LR 300 with Rod Antenna * Flange thickness 25mm (1")

Page 16 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationNotes: • Process temperature and pressure capabilities are dependent upon inf

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 17mmmmmInstallationDimensions: Threaded Rod Notes: • The use of Teflon tape or other appropriate

© Siemens Milltronics Process Instruments Inc. 2002Safety GuidelinesWarning notices must be observed to ensure personal safety as well as that of oth

Page 18 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationDimensions: Shielded RodNotes: • The use of Teflon tape or other appropriate

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 19mmmmmInstallationDimensions: Horn∗ A purging system is an option available for this antenna ty

Page 20 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationDimensions: WaveguideNotes:• You can connect a maximum of two waveguides toge

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 21mmmmmInstallationDimensions: Sliding Waveguide ConfigurationNote: Please see next page for not

Page 22 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationNotes: • Maximum pressure 0.5 bar at 60° C (140° F) for sliding flange option

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 23mmmmmInstallationDimensions: Sanitary HornNotes: • Process temperature and pressure capabiliti

Page 24 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationDimensions: Sanitary RodNotes: • Process temperature and pressure capabilitie

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 25mmmmmInstallationDimensions: FlangesSee chart on page 26 for further details on flange sizes.P

Page 26 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallation** Due to the limited space on this flange the SITRANS LR 300 can only use 4

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 27mmmmmInstallationMounting* Refer to the Rod Extension Requirements table on page 28. Notes:• T

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 1mmmmmTable of ContentsTable of ContentsGeneral Information ...

Page 28 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationRod AssemblyRod Extension Requirementsn/r extension not required * Consult Si

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 29mmmmmInstallationIf the mounting illustrated on page 28 is not suitable due to the minimum bla

Page 30 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationMounting: Horn Antennas or Shielded RodThe end of the horn, or the end of the

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 31mmmmmInstallationMounting: Stillpipe or SidepipeThis is an alternative to the waveguide antenn

Page 32 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInstallationMounting: Horn with Waveguide ExtensionsMounting: Sanitary Rod AntennaUse thi

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 33mmmmmInterconnectionInterconnectionSITRANS LR 300 Terminal BlockTwo options are available. The

Page 34 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInterconnectionSITRANS LR 300 WiringNotes • Installation shall only be performed by quali

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 35mmmmmInterconnectionCommunications InstallationWiring Guidelines• RS-485 maximum length is 1,2

Page 36 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmInterconnectionPC ConnectionTo connect the device to a computer requires the use of a RS-

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 37mmmmmStart UpStart UpOverviewThe SITRANS LR 300 has two modes of operation: RUN and PROGRAM. A

Page 2 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmTable of ContentsStart Up ...

Page 38 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmStart UpProgrammingPROGRAM mode has two states: EDIT and DISPLAY. In DISPLAY state, the p

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 39mmmmmStart UpHand ProgrammerThe programmer is a sturdy, hand-held, programming unit offering i

Page 40 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmStart Up* Pressing plus three-digit parameter number, sets parameter to show in the auxi

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 41mmmmmStart UpAccessing PROGRAM Mode PROGRAM mode has two states: EDIT and DISPLAY. In DISPLAY

Page 42 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmStart UpDirect AddressIn PROGRAM mode, you can access a parameter directly by entering it

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 43mmmmmStart UpResetting a Parameter to Factory SettingAccessing RUN ModeQuick Start Programming

Page 44 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmStart UpSITRANS LR 300.book Page 44 Monday, June 10, 2002 7:18 PM

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 45mmmmmOperationOperation OverviewThe SITRANS LR 300 is an advanced level-measuring device for l

Page 46 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmOperationLoss of Echo (LOE)A loss of echo (LOE) occurs when the calculated measurement is

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 47mmmmmOperationAnalog OutputThe SITRANS LR 300 can be programmed to provide an analog output (P

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 3mmmmmTable of ContentsCommunications: Modbus Register Map ...

Page 48 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmOperationRUN/PROGRAMWhen you select PROGRAM mode, the SITRANS LR 300 stops responding to

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 49mmmmmApplicationsApplication ExamplesThese SITRANS LR 300 application examples can be used as

Page 50 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmApplicationsApplication Example: Horizontal Tank with VolumeThe application is to obtain

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 51mmmmmApplicationsApplication Example: Juice Batch Tank with Sanitary Horn AntennaRun: To start

Page 52 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmApplicationsApplication Example: Sliding Waveguide on Anaerobic DigestersRun: To start no

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 53mmmmmApplicationsApplication Example: Stillpipe or By-pass PipeThis is an alternative to the w

Page 54 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmApplications* These values are provided as a guideline.1. As a result of the extremely hi

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 55mmmmmParametersParameter DescriptionsThe parameters are the programmable features of the SITRA

Page 56 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersQuick Start Parameters (P001 to P007)Parameters P001 to P007 are the main sett

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 57mmmmmParametersslower response time is associated with greater reliability. Noisy applications

Page 4 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmTable of ContentsAppendix VI ...

Page 58 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersVolume Parameters (P050 to P055)Set the SITRANS LR 300 to calculate readings b

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 59mmmmmParameters P050 Value Tank Shape DescriptionAdditional Volume Parameters required

Page 60 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP051 Maximum Volume (F = 100 i.e. 100%)For readings in volumetric units (rathe

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 61mmmmmParametersP054 Breakpoint Levels (F = – – – –)When the tank shape is too complex for a

Page 62 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersDisplay and Reading Parameters (P060 to P063)P060 Decimal Position (F = 2)Defi

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 63mmmmmParametersFail-Safe Parameters (P070 to P072)P070 Fail-Safe TimerSets the time delay, in

Page 64 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersmA Output Parameters (P201 to P219)P201 mA Output Function (F = 1)Alters the m

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 65mmmmmParametersP210 mA Setpoint ParameterUsed to set the process level that corresponds to the

Page 66 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP219 mA Output Fail-SafeUsed to set the mA Fail-Safe operation, independent of

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 67mmmmmParametersP343 Internal TemperatureSee Appendix III, (Ambient/Operating Temperature Speci

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 5mmmmmGeneral InformationGeneral InformationThe ManualRefer to this manual for proper installati

Page 68 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersRange Calibration Parameter (P655)P655 Propagation Factor (F = 1)Compensates f

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 69mmmmmParametersRate Parameters (P700 and P701)These parameters determine how material level ch

Page 70 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersMeasurement Verification Parameters (P709 to P713)P709 Damping FilterStabilize

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 71mmmmmParametersP712 Echo Lock SamplingSets the number of consecutive echoes appearing above or

Page 72 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersCommunications Parameters (P750 and P752)P750 Ident Number Section (F = 0)Dire

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 73mmmmmParametersP771 Bus Address (for Modbus) (F = 1)Allocates the unique identifier of the SIT

Page 74 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP799 Communications Control (F = 1)This parameter determines the read/write ac

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 75mmmmmParametersP801 Range Extension (F = 5%)Sets the amount of range extension as measured fro

Page 76 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersAlgorithm Parameter (P820)P820 Algorithm (F = 8)Selects the algorithm to be ap

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 77mmmmmParametersAdjust this parameter while viewing the echo profile with Dolphin Plus. Refer t

Page 6 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmGeneral InformationSITRANS LR 300The SITRANS LR 300 is to be used only in the manner outli

Page 78 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP837 Auto False Echo Suppression (F = 1)1Use P837 and P838 during start up, if

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 79mmmmmParametersIf the SITRANS LR 300 displays a full level, or if the reading fluctuates betwe

Page 80 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP838 Auto False Echo Suppression Distance (F = 1.0m)Defines the endpoint of t

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 81mmmmmParametersP920 Reading Measurement Displays the reading measurement that the unit is prog

Page 82 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmParametersP999 Master ResetResets parameters to their factory setting.1. Press the PROGR

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 83mmmmmCommunicationsCommunications: Modbus Register MapThe memory map of the IQ-300 occupies the

Page 84 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02mmmmmCommunicationsPoint Data (R41,010 – R41,031)Measurement point data contain the current ins

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 85mmmmmCommunicationsThe parameters are usually all read/write. However, before a parameter can b

Page 86 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02mmmmmCommunicationsPrimary Index (R43,999) and Secondary Index (R43,998)Many parameters are ind

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 87mmmmmCommunicationsCommunications: Data TypesThe SITRANS LR 300 parameters do not always use in

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 7mmmmmSpecificationsSpecificationsSITRANS LR 300Power• 24–230 Vac, +15%, 40–70Hz, 28 VA (11W)or

Page 88 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02mmmmmCommunicationsText MessagesIf a device parameter returns a text message, that message is c

7ML19985CL02 SITRANS LR 300– INSTRUCTION MANUAL Page 89mmmmmCommunicationsError HandlingModbus ResponsesWhen polled by a Modbus Master, a slave device

Page 90 SITRANS LR 300– INSTRUCTION MANUAL 7ML19985CL02mmmmmCommunications• If the host attempts to write one or more registers that are out of range,

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 91mmmmmTroubleshootingTroubleshootingCommunication TroubleshootingGenerally:1. Check the followi

Page 92 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmTroubleshootingOperation TroubleshootingOperating symptoms, probable causes, and resolut

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 93mmmmmTroubleshootingMaintenanceThe SITRANS LR 300 requires no maintenance or cleaning under no

Page 94 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmTroubleshootingSITRANS LR 300.book Page 94 Monday, June 10, 2002 7:18 PM

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 95mmmmmAppendix IAppendix IAlphabetical Parameter ListParameter Name Parameter Number Page Num

Page 96 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02mmmmmAppendix ImA Output Value911 804 mA Output Trim214 6520 mA Output Trim215 65Manufacture a

7ML19985CL02 SITRANS LR 300 – INSTRUCTION MANUAL Page 97mmmmmAppendix ITVT Type830 76Units005 57Volume Breakpoints055 61Volume Measurement924 81Parame