ABB LWT300 series User Manual

Also see for LWT300 series: Quick start guide Quick start guide User guide Quick start guide

Contents

ABB LWT300 series User Manual Manual pdf 4 page image

iv User GuideSetting data filtering parameters.................... 47Selecting a maximum level rate .................. 47Setting up a median filter.............................48Setting up a damping period ......................48Setting process parameters.............................. 49Setting process alarms ................................. 49Setting process safety parameters ...........50Managing lost echoes.....................................51Setting up linearization ...................................... 52Understanding linearization........................ 52Accessing the linearization function ......... 54Setting the linearization input unit ........... 54Setting the linearization output unit ........ 54Setting the maximum volume/flow value54Setting vessel parameters ........................... 54Setting up linearization points ................... 55Saving your linearization table.................... 55Enabling the linearization function ........... 55Managing saved linearization tables ........ 56Managing device setups ..................................... 57Saving a default user setup.......................... 57Resetting to default user setup .................. 57Resetting to factory default ........................ 577 Setting calibration parametersSetting level calibration parameters .............. 59Changing the empty/zero value ................. 59Changing the full/span value.......................60Adding a level offset.......................................60Adding a sensor offset .................................. 61Setting upper/lower (4 – 20 mA) referencevalues .................................................................. 61Setting 4 – 20 mA D/A trim ................................. 62Setting the 4 mA trim .................................... 62Setting the 20 mA trim .................................. 62Resetting the D/A trim .................................. 63Setting a current simulation ........................ 638 Configuring communicationsSetting dynamic values ....................................... 65Activating multidrop mode ............................... 66Setting devices address ..................................... 66Locating an instrument with tags ................... 66Browsing communication info ......................... 669 Maintenance and troubleshootingDiagnosing problems .......................................... 67Browsing the diagnostics history ..............68Clearing the diagnostic history .................. 68Event codes and recommendations.......... 69Masking classes of events ............................ 70Diagnosing from a waveform.............................71Introducing the waveform display ..............71Accessing the waveform display .................71Navigating through echoes ......................... 72Recording a waveform ................................... 72Performing simulations and tests ................... 73Performing standard simulations.............. 73Performing current simulations ................. 73Obtaining device status data ............................ 74Probe length ..................................................... 74Terminal voltage .............................................. 74Electronics temperature ............................... 74Total run time ................................................... 75Accessing device information ........................... 75A Specifications .............................. A77B HMI menu tree .............................. B79