Table of Contents
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Table of Contents
Related Manuals for IFM LT8023
Summarization of Contents
Preliminary Note and Symbols
Symbols Used
Explains the meaning of various symbols and icons found throughout the documentation.
Functions and Features
Application Area
Details the specific industries and processes for which the unit is designed and suitable.
Restriction of Application Area
Lists limitations, unsuitable media, and specific conditions where the unit should not be used.
Getting Started
Example Configuration 1
Provides a step-by-step walkthrough of a common installation and setup scenario.
Example Configuration 2
Offers a second practical example illustrating unit configuration and installation steps.
Function Details
Measuring Principle Level
Details the capacitive measuring principle used by the sensor to determine liquid levels.
Measuring Principle Temperature
Describes the method used by the sensor to detect and measure the temperature of the medium.
Operating Principle and Features
Covers general operating concepts and highlights key features of the LT80xx unit.
Operating Modes
Explains the different operational modes available for the unit, such as manual or automatic detection.
Notes on Integrated Overflow Prevention
Provides crucial details and operational notes regarding the unit's integrated overflow prevention system.
Display and Switching Functions
Explains how the unit displays current values and indicates the status of its switching outputs.
Offset for Indicating Real Level
Details the process of setting an offset value for accurate level readings relative to the tank bottom.
Defined State in Case of a Fault
Describes how the unit's outputs respond and what defined state they enter during fault conditions.
Extreme Value Memory
Explains how to retrieve and view the minimum and maximum temperature values recorded by the unit.
IO-Link Communication
Covers the integration and use of the IO-Link communication interface for advanced data access and configuration.
Mounting Instructions
Notes for Operation with Overflow Prevention
Specific installation requirements and notes for units configured with the overflow prevention feature active.
Installation Without Overflow Prevention
Guidelines and procedures for installing the unit when overflow prevention is deactivated.
Installation in Inactive Zone
Details the correct method for mounting the sensor probe within the inactive zone of a tank.
Installation in Active Zone of Probe
Explains the procedure and considerations for installing the sensor probe in the active measurement zone.
Other Installation Notes
Contains supplementary installation advice and critical points not covered in previous sections.
Marking of Installation Height
Describes the method for accurately marking and ensuring the correct installation height using a tube clip.
Menu Structure
Menu Overview
Shows a detailed overview of the entire menu tree, parameters, and their relationships for configuration.
Parameter Setting
Parameter Setting in General
Explains the fundamental steps and user interface interactions for setting any parameter on the device.
Basic Settings
Covers the essential initial parameter configurations required for basic unit operation.
Assign Process Values to Outputs
Details how to assign specific process values (level/temperature) to output channels OUT3 and OUT4.
Assign Process Value to Display
Explains how to configure which process value is shown on the unit's alphanumeric display.
Define Unit of Measurement for Level
Allows the user to select the preferred unit (cm or inches) for displaying liquid level measurements.
Set Unit of Measurement for Temperature
Allows the user to select the preferred unit (°C or °F) for displaying temperature measurements.
Set Offset [OFS]
Guides the user in setting an offset value to accurately calibrate level readings relative to the tank bottom.
Set Medium [MEdI]
Explains how to select the type of medium being measured for optimal sensor performance and detection accuracy.
Set Overflow Prevention [OP]
Details the procedure for setting the position and activation status of the overflow prevention feature.
Adjust Overflow Prevention [cOP]
Provides a step-by-step guide for the crucial adjustment process of the overflow prevention feature.
Setting of Output Signals
Covers the configuration of the unit's four independently settable switching output signals.
Set Output Function [oux]
Explains how to assign specific switching functions (e.g., hysteresis, window) to each output channel.
Define Switching Limits [SPx] / [rPx] (Hysteresis)
Details how to set the upper (SPx) and lower (rPx) switching points for hysteresis-based outputs.
Define Switching Limits [FHx] / [FLx] (Window)
Details how to set the upper (FHx) and lower (FLx) limits for window-based switching functions.
Set Set Delay [dSx]
Allows setting a delay time for when an output signal is activated or switched ON.
Set Reset Delay [drx]
Allows setting a delay time for when an output signal is deactivated or switched OFF.
Define Switching Logic [P-n]
Explains how to configure the logic behavior of the switching outputs.
Define Response of Outputs in Case of Fault
Defines how the unit's outputs should behave when a fault condition is detected.
Configure Display [diS]
Allows configuration of the display's on/off behavior and update rate for power saving or continuous visibility.
Reset All Parameters to Factory Settings
Guides the user through the process of restoring all unit parameters to their original factory default values.
Operation and Indicators
Operating Indicators
Lists and describes all indicators, including LEDs and display messages, and their respective meanings during operation.
Read Set Parameters
Guides users on how to view the currently configured parameters and settings of the unit.
Read/Reset Extreme Value Memory Temperature
Explains how to access, read, and clear the recorded extreme (min/max) temperature values.
Fast Selection Level / Temperature
Describes the shortcut method for quickly switching the display between level and temperature readings.
Error Indications
Lists common error codes, their potential causes, and recommended troubleshooting measures for resolving issues.
Technical Data
Setting Values [OFS]
Details the configurable setting range and step increment for the offset parameter.
Setting Ranges Switching Limits for Level
Lists the configurable ranges for setting switching limits related to liquid level measurements.
Setting Ranges Switching Limits for Temperature
Lists the configurable ranges for setting switching limits related to temperature measurements.
Setting Values [OP]
Presents a table of values used for setting the position of the overflow prevention feature.
Calculation Aids [OP]
Offers formulas and practical examples to assist in calculating the correct overflow prevention position.
Definition "from the cover"
Provides the calculation method for setting overflow prevention based on distance from the tank cover.
Definition "from the bottom"
Provides the calculation method for setting overflow prevention based on distance from the tank bottom.
Maintenance, Cleaning, and Medium Change
Maintenance for Operation Without Overflow Prevention
Specific maintenance notes and reinitialization requirements when overflow prevention is not active.
Applications
Storage Tank Application
Details the application of the unit for level control and monitoring within storage tank systems.
Pumping Station Application
Explains the deployment and function of the unit for level monitoring and control in pumping station environments.
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