ABB LWT300 series User Manual

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Table of Contents
1 Safety
Definitions .................................................................1
Personnel ...................................................................3
Electrical .....................................................................3
Grounding ........................................................... 4
Environmental (WEEE) ...........................................5
Cybersecurity ............................................................5
Modbus protocol disclaimer ...........................6
General deployment guidelines .....................6
2 Introduction
About this guide .......................................................7
Basics of LWT level measurement ......................7
First look .....................................................................9
The head ...............................................................9
The coupler ....................................................... 10
As shipped ........................................................ 10
Basic installation procedure ............................... 11
Modbus-specific considerations ......................11
Disclaimers ..............................................................12
Improper use .....................................................12
Technical limit values ......................................12
Operator liability ..............................................12
3 Installing the LWT
Safety first! ..............................................................13
Before you start ......................................................13
Environmental considerations .................... 14
Power considerations .................................... 14
Cable- and cable gland considerations .... 14
Vessel considerations .................................... 15
Gathering necessary tools ................................. 16
Accessing the location ........................................ 16
Assembling a segmented probe .......................17
Attaching a probe to the coupler ..................... 19
Installing the LWT instrument ............................21
Rotating the housing ......................................21
Rotating the HMI ............................................. 22
Installing a remote head LWT instrument ..... 24
Grounding the instrument ................................. 27
Connecting the instrument ............................... 28
Upon startup ...........................................................31
4 Introducing the user interface
Introducing LWT user interfaces ...................... 33
Accessing menus ............................................ 34
Navigating the instrument display ............ 34
5 Configuring the instrument at startup
6 Configuring the instrument
Configuring the display ...................................... 39
Contrast ............................................................. 39
Number of decimals ....................................... 39
Configuring Operator pages .............................40
Selecting an Operator page to display ........... 41
Enabling Operator page autoscroll ........... 41
Protecting access to instrument data ............ 42
Setting up role-based passwords ............. 42
Resetting passwords .....................................42
Disabling access to the Service account .. 43
Preventing unwanted deletion of data ..... 43
Setting dynamic variables..................................45
Setting variables .............................................45
Setting variable units .....................................45
Configuring the sensor ....................................... 46
Selecting the application category ...........46
Setting the dielectric constant of upper
media .................................................................. 47
Configuring gas phase compensation ..... 47
Resetting echo tracking ................................48
Setting up the application .................................48
Changing probe type ..................................... 48
Changing probe length .................................49
Selecting tank type .........................................49
Setting nozzle length ..................................... 49
Setting bypass/sw pipe diameter .............50
Changing end of probe mode ..................... 50
Toggling remote transmitter state ............50
Setting process conditions ..........................50

ABB LWT300 series Specifications

General

Brand	ABB
Model	LWT300 series
Category	Measuring Instruments
Language	English