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Summary of Contents for Aplisens LI-24G
- Page 1 Revision 01.A.003 EN.IO.LI.24.L.G AUGUST 2021 USER’S MANUAL TEMPERATURE TRANSMITTERS LI-24L LI-24G 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 ID: 0024 0013 0010 0000 0000 0001 0001 73 www.aplisens.pl/ID/002400090008000000000000000105/ www.aplisens.pl/ID/002400090008000000000001000153/ LI-24G LI-24G (Exi) ID: 0025 0010 0008 0000 0000 0000 0001 68 ID: 0025 0010 0008 0000 0000 0001 0001 19 ID: 0025 0014 0010 0000 0000 0000 0001 88 ID: 0025 0014 0010 0000 0000 0001 0001 39 www.aplisens.pl/ID/002500100008000000000000000168/...
- 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
6.1. General recommendations ..................12 6.1.1. Installation of rail-mounted transmitter LI-24L on a DIN rail ....... 12 6.1.2. Installation of head-mounted transmitter LI-24G in the housing ......13 7. ELECTRICAL CONNECTION ..............15 7.1. Cable connection to transmitter terminals ..............15 7.1.1. - Page 5 Figure 1. Set range and measurement limits................8 Figure 2. Warning plate - protective seal................. 9 Figure 3. Examples of LI-24G transmitter nameplates in standard and Exi version....11 Figure 4. Examples of LI-24L transmitter nameplates in standard and Exi version....11 Figure 5.
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Page 6: Introduction
1.1. Purpose of the document The subject of manual are rail-mounted smart temperature transmitters LI-24L and head-mounted smart temperature transmitters LI-24G, hereinafter referred jointly to as LI-24L(G). The manual ap- plies to the following versions: standard and intrinsically safe Exi. -
Page 7: Definitions And Abbreviations
EN.IO.LI.24.L.G 1.3. Definitions and abbreviations Table 1. Definitions and abbreviations. Item Abbr. Meaning “Lower Range Value” – the value of the set range expressed in the units of temperature, resistance or voltage corresponding to the current of 4,000 mA, i.e. 0% of the output setpoint. The set range must not exceed limits which depend on the selected measurement type. -
Page 8: Transmitter Set Range
EN.IO.LI.24.L.G 1.4. Transmitter set range The figure below shows the transmitter LRV/URV set range, limits related to the LRL/URL permissible set range, LPL/UPL digital processing range of the A/D measuring transmitter. As standard, current values of 4 mA/20 mA are assigned to LRV/URV points. In order to obtain reverse characteristics, it is possible to reverse the assignment so that the LRV/URV points are assigned to 20 mA/4 mA currents. -
Page 9: Safety
EN.IO.LI.24.L.G SAFETY − The installation and start-up of the device and any activities related to operation shall be carried out after thorough examination of the contents of user’s manual and the in- structions related thereto; − installation and maintenance should be carried out by qualified staff having the re- quired authorizations to install electrical and measuring devices;... -
Page 10: Transport And Storage
GUARANTEE General terms and conditions of guarantee are available on the manufacturer’s website: www.aplisens.com/ogolne_warunki_gwarancji 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. -
Page 11: Identification
Depending on the version of the transmitter, the nameplates may differ in the amount of information and parameters. Figure 3. Examples of LI-24G transmitter nameplates in standard and Exi version. Figure 4. Examples of LI-24L transmitter nameplates in standard and Exi version. -
Page 12: Installation
EN.IO.LI.24.L.G INSTALLATION 6.1. General recommendations It is recommended to install the transmitters in closed enclosures in order to ensure pro- tection against environmental factors. 6.1.1. Installation of rail-mounted transmitter LI-24L on a DIN rail Figure 5. LI-24L transmitter installation on a DIN rail. Rail-mounted transmitter LI-24L. -
Page 13: Installation Of Head-Mounted Transmitter Li-24G In The Housing
Screw the housing cover (1) together with the gasket (2) onto the housing (7). Screw in the protective tube of the measuring unit (8). Figure 6. Installation of the LI-24G transmitter in an example enclosure manufactured by Aplisens. Revision 01.A.003/2021.08... -
Page 14: Figure 7. Fastening Screw Lock Protection In The Li-24G Transmitter
EN.IO.LI.24.L.G The head-mounted transmitter LI-24G is equipped with fastening screw lock protection in the form of locks in the mounting holes. The lock is suitable for use with screw threads, and therefore the screws must be screwed into the transmitter housing. -
Page 15: Electrical Connection
− depending on the assumed earthing model of the system, attach the cable screen to the bolted terminal of the body ground or cut the excess of the screen and secure with the insulation without connecting to the body ground (applies to LI-24G in housing). Figure 8. Markings of LI-24L transmitter terminals. -
Page 16: Options For Connecting Sensors, Potentiometers And Voltage Sources To The Transmitter
EN.IO.LI.24.L.G 7.1.2. Options for connecting sensors, potentiometers and voltage sources to the transmitter Figure 10. Methods of connecting sensors, potentiometers and voltage sources. Revision 01.A.003/2021.08... -
Page 17: Connection Of Transmitters With The Option Of Using Local Hart Communication
EN.IO.LI.24.L.G 7.2. Connection of transmitters with the option of using local HART communication The method of connecting a modem to transmitter for local HART communication is shown in the fig- ures below. In order to communicate using locally connected HART modem to the transmitter ‘’+’’ and ‘’-‘’... -
Page 18: Transmitter Power Supply
It is mandatory to read EN.IX.LI.24.L.G Explosion-proof Device User Manual, containing important information related to the installation of transmitters in intrinsically safe ver- sion. The converter may also be operated using Aplisens Mobile Configurator installed on smartphones with Android system and connected using wireless communication. ®... -
Page 19: Shielding, Equipotential Bonding
EN.IO.LI.24.L.G 7.3.4. Shielding, equipotential bonding Optimal protection against interference is provided by the earthing of the screen on both sides (in the cabinet and equipment). In case of potential difference between earthing points of devices which may result in the flow of equipotential currents, the screen shall be earthed on one side. 7.4. -
Page 20: Figure 14. Set Range Current, Saturation Currents, Alarm Currents In Namur Mode
4 – Alarm current area I_AL<3,600 mA for internal diagnostic alarms. 5 – Alarm current area I_AL>21,000 mA for internal diagnostic alarms. Temperature transmitters LI-24L(G) manufactured by Aplisens meet the alarm require- ments Namur NE 89 and Namur NE 43. -
Page 21: Figure 15. Led Indicator On The Li-24L Transmitter
EN.IO.LI.24.L.G an alarm current. Temperature return below UPL point will result in deactivation of the alarm and restoration of the transmitter to its normal operation; if the measured process variable value decreases below the lower value of the base range relative to LRL, when LRL is reached, the diagnostics, depending on the settings, will trigger an alarm current. -
Page 22: Configuration Of The Operating Mode
EN.IO.LI.24.L.G 8.2. Configuration of the operating mode Before starting the work with the transmitter, the following parameters must be configured: basic unit of the transmitter process variable; measurement input type (voltage/resistance); measurement sensor processing characteristics (selection of sensor linearization characteris- tics);... -
Page 23: Table 3. Metrological Parameters Of Rtd Sensors
EN.IO.LI.24.L.G Table 3. Metrological parameters of RTD sensors. RTD sensor connected with 2, 3 or 4 wires Input – RTD Thermal resistance sensors 2, 3 or 4 wires connection ~250 µA Sensor current 25 Ω Maximum wires resistance Temperature Processing Min. -
Page 24: Table 4. Metrological Parameters Of Thermocouples
EN.IO.LI.24.L.G Table 4. Metrological parameters of thermocouples. Thermocouples Input – Thermocouples >10 MΩ Input impedance 500 Ω (wires + thermocouple) Maximum wires resistance Cold junctions compensation internal sensor, external sensor Pt100, temperature constant of the cold junctions Temperature Processing processing Sensor type Standard Basic range... -
Page 25: Table 5. Types Of Measurements, Linearization And Mathematical Operations
EN.IO.LI.24.L.G Table 5. Types of measurements, linearization and mathematical operations. Voltage measurements, TC type sensors. Voltage measurement range 0...100 mV or 0...1000 mV Linearization type/base range Sensor type and CJC configurations Linear/0...100 mV or 0...1000 mV 1 x TC (voltage measurement); 2 x TC (voltage measurements);... -
Page 26: Operation
The following devices may be used to communicate with the transmitter: Aplisens S.A. HART/USB or HART/RS232 converter; PC computers equipped with HART modem (e.g. HART/USB converter by Aplisens S.A.) with Windows7 or Windows10 operating system with installed Raport 2 or LI-24 Configurator soft- ware by Aplisens S.A.;... -
Page 27: Maintenance
Parts of the transmitter that may be worn or damaged and thus replaced: mounting kit (2x M4 mounting screw, 2x compression spring) for the LI-24G transmitter Other parts in case of ATEX types of transmitters may be replaced only by the manu- facturer or an authorized representative.
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