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Related Manuals for Aplisens LI-24ALW
Summary of Contents for Aplisens LI-24ALW
- Page 1 EN.IO.LI.24.ALW Revision 02.A.001 APRIL 2025 USER’S MANUAL SMART TEMPERATURE TRANSMITTER LI-24ALW APLISENS S.A., 03-192 Warsaw, Morelowa 7 St, tel. +48 22 814 07 77; fax +48 22 814 07 78 www.aplisens.com, e-mail: export@aplisens.com...
- Page 2 The QR code or ID number identifies the transmitter and provides quick access to the following docu- mentation on the manufacturer’s website: user’s manual, explosion-proof device user manual, declara- tions of conformity and copies of certificates. LI-24ALW ID:0028 0004 0002 0000 0000 0000 0001 07...
- Page 3 − possible mechanical impacts, excessive shocks and vibration; − excessive temperature fluctuation; − water vapour condensation, dusting, icing. Changes made to the manufacturing of products may be introduced before the paper version of the manual is updated. The up-to-date manuals are available on the manufacturer's website: www.aplisens.com.
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Page 4: Table Of Contents
EN.IO.LI.24.ALW TABLE OF CONTENTS 1. INTRODUCTION ..................6 1.1. Purpose of the document ....................... 6 1.2. Registered trademarks ......................6 2. SAFETY ...................... 6 3. TRANSPORT AND STORAGE ..............6 3.1. Delivery check ........................6 3.2. Transport ..........................6 3.3. Storage .......................... - Page 5 LIST OF FIGURES Figure 1. Change of display position ....................8 Figure 2. Marking of the LI-24ALW terminals ..................9 Figure 3. Methods of connecting sensors, potentiometers and voltage sources ........ 10 Figure 4. Electrical connection 4 … 20 mA of HART to transmitters in standard version ....11 Figure 5.
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Page 6: Introduction
1.1. Purpose of the document The subject of manual are smart temperature transmitters LI-24ALW, designed to work with a distance or direct sensor. The manual applies to the standard versions. The manual contains data, tips and general recommendations for safe installation and operation of the transmitters, as well as troubleshooting in case of possible failure. -
Page 7: Identification
The guarantee shall be repealed if the device is used against its intended use, failure to comply with user’s manual or interference with the structure of the device. IDENTIFICATION 5.1. Manufacturer's address APLISENS S.A. 03-192 Warsaw Morelowa 7 St Poland 5.2. -
Page 8: Construction
The electric connection of the transmitter is provided with an output interference filter and overvoltage protection components. LI-24ALW transmitter the operation of their hardware and software resources, and in the event of a fault, display an error symbol on the LCD screen and generate an alarm current in the current loop. -
Page 9: Electrical Connection
− leaving a slight slack in the cable inside the body, tighten the glands nut so that the gland seal tightens on the cable. Figure 2. Marking of the LI-24ALW terminals Revision 02.A.001/2025.04... -
Page 10: Options For Connecting Sensors, Potentiometers And Voltage Sources To The Transmitter10
EN.IO.LI.24.ALW 8.1.1. Options for connecting sensors, potentiometers and voltage sources to the transmit- Figure 3. Methods of connecting sensors, potentiometers and voltage sources Revision 02.A.001/2025.04... -
Page 11: Connection Of Transmitters With The Option Of Using Hart Communication
Figure 4. Electrical connection 4 … 20 mA of HART to transmitters in standard version The HART/USB converter by Aplisens S.A. may also be operated using Aplisens Mobile Configurator installed on smartphones with Android system and connected using wireless communication. The soft- ®... -
Page 12: Resistance Load In Power Supply Line
EN.IO.LI.24.ALW 8.2.3. Resistance load in power supply line The power line resistance, power source resistance and other additional serial resistances increase the voltage drops between the power source and the transmitter terminals. The maximum transmitter cur- rent under normal operation conditions is defined as I_max = 21,600 mA (the maximum possible current value issued by the user is 22,000 mA). -
Page 13: Start-Up
2 configuration program. It is also possible to order a transmitter with the required alarm configuration directly from the manufacturer. Temperature transmitters LI-24ALW manufactured by Aplisens S.A. meet the alarm re- quirements Namur NE 89 and Namur NE 43. Table 3. Type and level of alarms... -
Page 14: Metrological Parameters, Types Of Sensors, Measuring Ranges And Errors
The user can configure the transmitter using software that supports DDL and DTM libraries, such as Raport 2 by Aplisens S.A., or by using the keypad via the local MENU, the structure of which is shown ➔ Table 5. Structure of the local setpoints MENU. -
Page 15: Table 4. Types Of Measurements, Linearization And Mathematical Operations
EN.IO.LI.24.ALW − Maximum wires resistance: 40 Ω for resistive sensors, 500 Ω for thermocouples (wires + ther- mocouple). − Sensor current: ~250 µA. Table 4. Types of measurements, linearization and mathematical operations Thermocouples Input impedance: > 10 MΩ Maximum wires resistance: 500 Ω (wires + thermocouple) Cold junctions compensation: internal sensor Pt100, external sensor Pt100, temperature constant of the cold junctions Voltage measurement range: -10 …... -
Page 16: Process Variables
EN.IO.LI.24.ALW 9.4. Process Variables In the LI-24ALW transmitter, in accordance with the HART specification, nine Device Variables (DV) have been implemented: − DV0 – Mathematical variable – A variable calculated based on the values of DV1 and DV2, which represent the temperatures measured by the first (CH1) and second (CH2) measurement channels. -
Page 17: Operation
EN.IO.LI.24.ALW OPERATION The programmable display is designed to show the values measured during the measurement process also allows for transmitter configuration changes. It can show process values such as current in the current loop, percentage of the measuring range, or a process variable that can be assigned to one of ➔... -
Page 18: Display Configuration
EN.IO.LI.24.ALW − inAct or oFF, when the selected option is inactive; − Act or on, when the selected option is active; − ErSEt, when the selected option has a configuration error; − XXYYh or YYh, where "XX" is the most significant byte and "YY" is the least significant byte of the displayed value. - Page 19 EN.IO.LI.24.ALW Decimal point position setting for the displayed variable. AUTO mode enables auto- LCD2DP matic decimal placement. CTRAST Contrast adjustment for the display in the range from CONT_0 to CONT_5. SETUP Transmitter configuration options. BACK Return one level up in the local MENU. Process variable configuration.
- Page 20 EN.IO.LI.24.ALW LOOP Current loop configuration. BACK Return one level up in the MENU. CHKCFG Display the current configuration of the current loop. ALARM Display the current alarm current value of the current loop. LO_SAT Display the current low saturation value of the current loop. HI_SAT Display the current high saturation value of the current loop.
- Page 21 EN.IO.LI.24.ALW Revision 02.A.001/2025.04...
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Page 22: Local Menu, Error Messages
EN.IO.LI.24.ALW Figure 7. Structure of the local setpoints MENU 10.3. Local MENU, error messages During the execution of some functions in the local MENU, the error message may be displayed on the LCD2 field. Displaying an error means that the local MENU command was not carried out. Errors in the display or incorrect configuration of the display do not affect the value of the process variable in current loop. -
Page 23: Help Mode Structure
− HART/USB converter by Aplisens S.A. or other manufacturers; − PC computers equipped with HART modem (e.g. HART/USB converter by Aplisens S.A.) in- stalled software Raport 2 manufactured by Aplisens S.A.; − PC computers equipped with HART modem using software from other companies, accepting DDL and DTM libraries;... -
Page 24: Maintenance
EN.IO.LI.24.ALW MAINTENANCE 11.1. Periodic inspections Periodic inspections shall be carried out in accordance with applicable standards. During the inspection, check the condition of electrical terminal connections (reliability of the connections) and the stability of transmitter mounting. 11.2. Non-periodic inspections If the transmitter at the installation site has been exposed to mechanical damage, overvoltage or incor- rect operation of the transmitter is detected, the device shall be inspected.
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