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Summary of Contents for LEVTECH LSP-TCT-WIFI
- Page 1 User Manual Conductivity and temperature transmitter LSP-TCT-WIFI Lueta Nr. 319, Romania +40758576007 office@levtech.ro www.levtech.ro...
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Page 2: Table Of Contents
Table of Contents PREFACE........................3 Document Revisions .....................4 Approvals........................4 1. INTRODUCTION.......................5 1.1. General Information ..................5 1.2. Support and Services...................5 1.3. Disposal Remarks..................5 2. SAFETY INSTRUCTIONS..................6 2.1.Symbols....................... 6 2.2. Receipt and unpacking.................6 2.3. Environment....................6 2.4. Mounting......................6 2.5. Cleaning ......................7 3. -
Page 3: Preface
All information in this User Manual is based on the latest product information available at the time of printing approval. Levtech reserves the right to make changes at any time without notice and without incurring any obligation. Please always keep this manual together with the isolator as a reference to everyone... -
Page 4: Document Revisions
Document Revisions Date Version Number Document Changes 03-11-2021 Initial draft 04-13-2021 Overall improvements 04-15-2021 Application examples added Approvals This document requires following approvals: Name Title Levi Mihaly General Manager... -
Page 5: Introduction
In order to ensure long product life, Levtech recommends that you utilize the product and perform maintenance by correctly following the instructions described in this guide. The manufacturer’s warranty does not cover any damage resulting from the neglect of these... -
Page 6: Safety Instructions
2. SAFETY INSTRUCTIONS 2.1. Symbols This symbol indicates information that, if ignored, could result possibly in WARNING personal injury or even death due to incorrect handling. This symbol indicates information that, if ignored, could possibly result in CAUTION personal injury or physical damage due to incorrect handling. Indicates information considered important, but not hazard-related. -
Page 7: Cleaning
WARNING To avoid the risk of electric shock and fire, the safety instructions of this guide must be observed and the guidelines followed. 2.5. Cleaning When disconnected, the device may be cleaned with a cloth moistened with distilled water. WARNING The specifications must not be exceeded, and the device must only be applied as described in the following. -
Page 8: Installation And Wiring
3. INSTALLATION AND WIRING The module is designed to be installed, in a vertical position, on TS-35 DIN rail. For the best module performance and duration, avoid placing objects that could obstruct the ventilation. Never install the modules near heat sources. 3.1. -
Page 9: Description
4. DESCRIPTION The LSP-TCT-WIFI conductivity transmitter is designed to measure the conductivity, resistivity and temperature of the liquids with the corresponding sensor. This instrument is suitable for high-purity water monitoring and water treatment applications, such as reverse osmosis or ion exchanger. With its DIN rail mountable housing, it is easy to install into industrial environments. -
Page 10: Specifications
6. SPECIFICATIONS Input 1 Input type Resistive 2 electrode conductivity sensor Conductivity cell types k=0.01; k=0.1; k=1; k=10 Input 2 Input type Temperature sensor Temperature sensor types Pt100, Pt1000, NTC, PTC Analog Output 1 Conductivity Output Signal type 0-10V; 4-20mA; 0-20mA Output Resistance 0-20mA or 4-20mA >75 Ω... -
Page 11: Terminal Designation
7. TERMINAL DESIGNATION Cond Wire1 Cell Wire2 Cond 1 2 3 4 Temp Shield 5 6 7 8 Temp Wire1 Wire2 Temp Wire3 WiFi/Init Power RS485/USB Converter 9 10 11 12 Relay 13 14 15 16 Terminal Type Description number Input Temperature sensor wire Input... -
Page 12: Dimensions
8. DIMENSIONS 22.5mm 114.5mm... -
Page 13: Configuration Of The Parameters
9. CONFIGURATION OF THE PARAMETERS Step 0 Before starting configuration, you need to connect to a power supply. After 8 short blue blinks, the Power LED turns a stable red. Press and hold the WiFi/Init button gently on the device until the LED starts blinking blue. - Page 14 10. CONFIGURATION OF THE PARAMETERS If the connecting was successful, the flashing blue light becomes to a stable blue light on the transmitter and you are able to change the parameters to set up your device correctly. If the LED turned red before get connected, the steps should be repeated trying to fit into the 1,5 minutes time limit.
- Page 15 10. CONFIGURATION OF THE PARAMETERS Measuring parameters Start Frequency(kHz) Before the measuring, it can be set the start frequency, where the measuring starts. Frequency Increment(Hz) This value is added to Start Frequency in every measuring cycle. Frequency repeat It means that how many measures wanted to be performed.
- Page 16 10. CONFIGURATION OF THE PARAMETERS Analog Configuration of the analog outputs DAC - Digital to Analog Converter It can be selected the type of the output between : • 0-10V • 4-20mA • 0-20mA • 0-24mA It changes the analog output of temperature and conductivity outputs at the same time.
- Page 17 10. CONFIGURATION OF THE PARAMETERS Relay Configuration of the relay output Switching point The switching value of the relay output must be entered here. Switching hysteresis: The switching hysteresis of the relay output can be specified as a percentage. Example: Relay switching mode: Cond_H Switching point: 100μS/cm Switching hysteresis: 10%...
- Page 18 10. CONFIGURATION OF THE PARAMETERS Temperature Configuration of the temperature probe Sensor Type Here it can be selected the type of the temperature sensor used between: • Pt100 • Pt200 • Pt500 • Pt1000 • NTC10000 NTC_Beta This value is given by the manufacturer of the sensor. Applied when NTC10000 sensor type selected.
- Page 19 10. CONFIGURATION OF THE PARAMETERS Calibration Wire resistivity compensation The resistance value of the conductivity probe wire must be specified. Entering this value correctly will affect the result of the temperature measurement. Wire capacity compensation If non-automatic cable capacity compensation is used, the impedance value measured with a dry probe must be entered here.
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Page 20: Default Configuration
10. DEFAULT CONFIGURATION To reset the transmitter to factory settings, it can be performed by turning off the device, then restart it. When it starting up, the blue light starts blinking. During the blinking time, needed to press the configurator button and all the saved datas will be resetted. -
Page 21: Fundamentals Of Conductivity Measurement
11. FUNDAMENTALS OF CONDUCTIVITY MEASUREMENT Principle of measurement Electrolytic conductivity measuring cells basically consist of two metal plates arranged opposite each other which are immersed in the solution to be measured. The conductivity of the solution is determined through the measuring voltage and the resulting measuring current. -
Page 22: Electrical Diagrams
12. ELECTRICAL DIAGRAMS The electrical connections of the temperature/conductivity sensors may vary according to their structure and the numbers of the conductors. They could be separated, compensated and/or shielded. In order to be decided which connection will be selected. Variant 1 Temperature Sensor Conductivity... - Page 23 12. ELECTRICAL DIAGRAMS Variant 3 Shield Cond wire 1 Temperature Sensor Conductivity Cond wire 2 Sensor Shield 1 2 3 4 Rs485 5 6 7 8 Temp wire 1 Temp wire 2 Temp wire 3 9 10 11 12 13 14 15 16 Relay output Supply (Max.
- Page 24 12. ELECTRICAL DIAGRAMS Variant 5 Shield Cond wire 1 Temperature Conductivity Sensor Sensor Cond wire 2 1 2 3 4 Shield Rs485 Temp wire 3 5 6 7 8 Temp wire 1 Temp wire 2 Temp wire 4 9 10 11 12 13 14 15 16 Relay output Supply...
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Page 25: Applications
Modbus protocol and the data can be analyzed. *Variant 1 wiring 1 2 3 4 1 2 3 4 5 6 7 8 5 6 7 8 Hidro Trans Hidro Trans LSP-TCT-WIFI LSP-TCT-WIFI Rs485 Module WiFi/Init WiFi/Init POWER SUPPLY... -
Page 26: Operation And Maintenance
14.2. Maintenance Levtech suggests a quick check for terminal tightness and general unit condition. Always adhere to any site requirements for programmed maintenance. 15. WARRANTY DISCLAIMER Levtech (“The Company”) makes no express, assumed or legal warranties (including... -
Page 27: Contact Information
16. CONTACT INFORMATION ADDRESS Lueta 319 Post Code 537140 Harghita Romania WEBSITE https://www.levtech.ro/ SOCIAL MEDIA Levtech @levtechsp @levtech_s_p COMPANY DATA LEVTECH SERVICE & PRODUCTION Fiscal code (CIF): RO35733217 Trade Register: RC J19/134/2016 IBAN: RO39RNCB0152150349440001 BCR BANK...
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