Xylem WTW UV 701 IQ SAC Instructions Manual
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Xylem WTW UV 701 IQ SAC Instructions Manual

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OPERATING MANUAL
ba77046e02 05/2017
UV 701 IQ SAC
UV 705 IQ SAC
OPTICAL SAC SENSOR

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Summary of Contents for Xylem WTW UV 701 IQ SAC

  • Page 1 OPERATING MANUAL ba77046e02 05/2017 UV 701 IQ SAC UV 705 IQ SAC OPTICAL SAC SENSOR...
  • Page 2 UV 70x IQ SAC © Copyright 2017 Xylem Analytics Germany GmbH Printed in Germany. ba77046e02 05/2017...

  • Page 3: Table Of Contents

    UV 70x IQ SAC Contents Contents Overview ......... . 5 How to use this component operating manual .
  • Page 4 UV 70x IQ SAC Maintenance and cleaning ......36 Maintenance ........36 Sensor cleaning .

  • Page 5: Overview

    Overview UV 70x IQ SAC Overview How to use this component operating manual Structure of the IQ S IQ Sensor Net Operating Manual ENSOR operating manual System Operating Manual (Ring Binder) IQ Sensor MIQ Module MIQ Terminal Operating Operating Operating Manual Manual Manual...

  • Page 6: Field Of Application

    Overview UV 70x IQ SAC Field of application The UV 70x IQ SAC is an online sensor for the on-site determination of the SAC. The range of application comprises control, feedback control and monitoring. Measuring location e.g. waste water treatment plants, surface water Ultrasound cleaning The ultrasound cleaning system ensures low maintenance and long-term reli- system...

  • Page 7: Structure Of The Sensor Uv 70X Iq Sac

    Overview UV 70x IQ SAC Structure of the sensor UV 70x IQ SAC The sensor has a light source (1), a measuring gap (3) to enable the contact of light with the measuring solution, and a detector (5) to measure the attenuated light beam.

  • Page 8: Safety

    Safety UV 70x IQ SAC Safety Safety information 2.1.1 Safety information in the operating manual This operating manual provides important information on the safe operation of the product. Read this operating manual thoroughly and make yourself familiar with the product before putting it into operation or working with it. The operating manual must be kept in the vicinity of the sensor so you can always find the infor- mation you need.

  • Page 9: Safe Operation

    Safety UV 70x IQ SAC Safe operation 2.2.1 Authorized use The authorized use of the UV 70x IQ SAC consists of its use as a sensor in the IQ S . Only the operation and running of the sensor according to the ENSOR instructions and technical specifications given in this operating manual is autho- rized (see chapter 8 T...

  • Page 10: Commissioning

    Commissioning UV 70x IQ SAC Commissioning IQ S system requirements ENSOR Software versions of The operation of the UV 70x IQ SAC requires the following software versions in the controller and the IQ S ENSOR terminal components  DIQ/S 28X Controller software: Version 3.72 or higher ...

  • Page 11: Installation

    Commissioning UV 70x IQ SAC Installation 3.3.1 Mounting the sensor NOTE The sensor is an optical precision instrument that should be protected against shocks. Make sure that the distances to the wall, bottom and other installation surroundings are sufficient. If necessary, protect the sensor from hitting with the protective ring provided.
  • Page 12 Commissioning UV 70x IQ SAC Vertical installation For vertical installation, mount the sensor in a position that allows interfering ele- ments in the measuring gap to escape with the current. In the case of vertical installation, the minimum flow rate is 0.2 m/s so the measuring gap is kept clean optimally.

  • Page 13: Mounting The Shock Protectors

    Commissioning UV 70x IQ SAC 3.3.2 Mounting the shock protectors The shock protectors consist of two rings, a cap and four cable ties. To mount the shock protectors, proceed as follows: Sensor with mounted shock protectors Fig. 3-4 Mounting the shock protectors Plug the cap (pos.

  • Page 14: Connecting The Sensor To The Iq Sensor Net

    Commissioning UV 70x IQ SAC 3.3.3 Connecting the sensor to the IQ S ENSOR Connection cable A sensor connection cable of the SACIQ or SACIQ SW type is required to connect the sensor. The cable is available in different lengths. Compared to the standard model SACIQ, the SACIQ SW sensor connection cable is optimized regarding its corrosion resistance in seawater and brackish water and adapted for use in conjunction with the UV 70x IQ SAC.
  • Page 15 Commissioning UV 70x IQ SAC Connecting the Take the protective caps off the plug connections of the sensor and the sensor to the sensor SACIQ (SW) sensor connection cable and keep them safe. connection cable Plug the socket of the SACIQ (SW) sensor connection cable onto the plug head connector of the sensor.

  • Page 16: Initial Commissioning

    Commissioning UV 70x IQ SAC Initial commissioning 3.4.1 General information CAUTION Never look into the measuring window or put objects into the measuring window during operation! The emitted UV radiation can damage the eyes! In the case of authorized use, inadvertent eye contact with the light beam is not possible.

  • Page 17: Sensor Structure

    Commissioning UV 70x IQ SAC 3.4.2 Sensor structure The physical sensor is the sensor with the instrument or model designation, UV 70x IQ SAC. The physical sensor processes the measurement signal (absorbance spectrum) and supplies up to 2 measurement results to the IQ S .

  • Page 18: Settings For The Main Sensor

    Commissioning UV 70x IQ SAC 3.4.3 Settings for the main sensor Measuring cycle A measuring cycle consists of the cleaning procedure, the adjustment time for the measuring system and the determination of the measured value. The follow- ing graphic demonstrates the relevant settings: Measuring cycle Time...
  • Page 19 Commissioning UV 70x IQ SAC Default values are marked in bold. Menu item Settings Explanations Measuring mode SAC 254, dissolved The measured parameter is displayed  in the selected citation form. SAC 254, total  UVT 254, total  Measuring mode When changing the Measuring setting, always check the...
  • Page 20 Commissioning UV 70x IQ SAC Menu item Settings Explanations Response time t90 3 ... 60 min Response time of the signal smoothing. Depending on the sample matrix, mea- sured values can vary more or less strongly (e.g. due to foreign bodies or air bubbles).

  • Page 21: Settings For Virtual Sensors

    Commissioning UV 70x IQ SAC Menu item Settings Explanations Quit The display switches to the next higher level without storing the new settings. 3.4.4 Settings for virtual sensors Carrying out Using <S>, switch from the measured value display to the main menu of the settings settings.
  • Page 22 Commissioning UV 70x IQ SAC Menu item Settings Explanations Quit The display switches to the next higher level without storing the new settings. ba77046e02 05/2017...

  • Page 23: Measurement / Operation

    Measurement / Operation UV 70x IQ SAC Measurement / Operation Determination of measured values Fig. 4-1 Determination of measured values During a measurement, the spectrum of the test sample is recorded and set against the stored absorbance of a zero adjustment (measurement in ultrapure water).

  • Page 24: Measurement Operation

    Measurement / Operation UV 70x IQ SAC Measurement operation CAUTION Never look into the measuring window or put objects into the measuring window during operation! The emitted UV radiation can damage the eyes! In the case of authorized use, inadvertent eye contact with the light beam is not possible.
  • Page 25 Measurement / Operation UV 70x IQ SAC measured value at different points (see section 4.1):  User calibration (see section 4.3.2) Zero adjustment  Sensor check/ (see section 4.3.3). An overview diagram of the calibration procedures can be found on page 4 - 31. SAC 254, dissolved SAC 254, total User calibration...
  • Page 26 Measurement / Operation UV 70x IQ SAC Zero adjustment Sensor check (H2O dest.) While the just determines the current state of the Zero adjustment sensor, a can be used to compensate for changes of the Sensor check sensor. A zero adjustment can be required if, for example, the (H2O dest.) is not successful even after the sensor was thoroughly cleaned.

  • Page 27: User Calibration

    Measurement / Operation UV 70x IQ SAC 4.3.2 User calibration Calibration points The adjustment is carried out at one or two points within the measuring range. and value pairs A value pair is determined at each point. Each value pair consists of the raw value of the UV 70x IQ SAC sensor and the corresponding reference value.
  • Page 28 Measurement / Operation UV 70x IQ SAC Performing a user Proceed as follows if you want to perform a user calibration: calibration Bring the sensor into the measuring position. Switch to the measured value display with <M>. Use <> to select the UV 70x IQ SAC sensor. Maintenance condition: Call up calibration with <C>.
  • Page 29 Measurement / Operation UV 70x IQ SAC The entry of calibration values outside the measuring range leads to a calibration error. Default values are marked in bold. Menu item Settings Explanations Cal - # raw value 1 -10000,00 ... 0,00 ... 20000,00 Raw value of the first value pair (lower concentration).

  • Page 30: Sensor Check/Zero Adjustment

    Measurement / Operation UV 70x IQ SAC Zero adjustment 4.3.3 Sensor check/ NOTE The sensor check or Zero adjustment must be carried out under absolutely clean conditions. If you do not work carefully enough the Zero adjustment can deteriorate the measuring quality. Ultrapure water As ultrapure water exclusively use distilled or deionized water that is suitable for (H2O dist.)
  • Page 31 Measurement / Operation UV 70x IQ SAC Flowchart Cleaning the sensor Sensor check TEST: MEASUREMENT WINDOWS (H2O dist.) Clean the measurement windows Assessment number Rinse the measuring chamber -40 ... +40 < -40 or with ultrapure water several times > +40 Carry out a sensor check (H2O) After cleaning several times without significant change of...
  • Page 32 Measurement / Operation UV 70x IQ SAC Zero adjustment Preparing the Prepare the sensor check or as follows: sensor check or Zero adjustment Switch to the measured value display with <M>. Use <> to select the UV 70x IQ SAC sensor. Maintenance condition: Call up calibration with <C>.
  • Page 33 Measurement / Operation UV 70x IQ SAC Measuring chamber Sensor sleeve Fig. 4-4 Putting the sensor sleeve on the sensor Put the sensor in a horizontal position on a firm and vibration-free sur- face. Turn the filling opening of the sensor sleeve upward (Fig. 4-4). Rinse the measuring chamber with ultrapure water at least 3 times.
  • Page 34 Measurement / Operation UV 70x IQ SAC Up to this point, you can break off the calibration procedure at any time with the <ESC> key. The system continues to work with the old calibration data. The maintenance condition, however, has to be switched off again in any case.
  • Page 35 Measurement / Operation UV 70x IQ SAC If no valid zero adjustment is possible under the current conditions, you can restore the readiness for measurement by measuring with an older valid zero adjustment. Zero adjustment To do so, select the setting in the sensor settings Factory User...

  • Page 36: Maintenance And Cleaning

    Maintenance and cleaning UV 70x IQ SAC Maintenance and cleaning Maintenance The UV 70x IQ SAC sensor operates maintenance-free. Sensor cleaning 5.2.1 Cleaning agents and accessories Cleaning agents To clean the sensor, use the following cleaning agents only: Contamination Cleaning agents Water-soluble substances –...

  • Page 37: General Steps To Be Taken

    Maintenance and cleaning UV 70x IQ SAC 5.2.2 General steps to be taken Depending on the application site and the level of contamination of the sensor as well as the coming job, the cleaning procedure includes the following parts:  Every cleaning procedure starts with a basic cleaning. It removes tough grime such as incrustation of fouling matter, algae and biological deposits.

  • Page 38: Basic Cleaning

    Maintenance and cleaning UV 70x IQ SAC 5.2.3 Basic cleaning Steps of the basic Take the sensor out of the test sample and remove any solid matter cleaning deposits and incrustation of fouling matter manually with a brush or sponge. Wash the sensor down with warm tapwater (30 - 50 °C).

  • Page 39: Cleaning The Measuring Gap

    Maintenance and cleaning UV 70x IQ SAC 5.2.4 Cleaning the measuring gap To remove lime or grease deposits, use the flocked cleaning cards together with the following detergents: Contamination Cleaning agents Lime deposits Hydrochloric acid 5 % for analysis Grease deposits Mixture of isopropanol and water (approx.

  • Page 40: Spare Parts, Maintenance Equipment, Accessories

    Spare parts, maintenance equipment, accessories UV 70x IQ SAC Spare parts, maintenance equipment, accessories General Description Model Order no. accessories, Calibration sleeve VIS/CV 481 074 replacement parts 20 flocked cleaning cards for cleaning the VIS/CT 481 071 measuring gap Cleaning set: VIS C/SET 481 079 –...
  • Page 41 Spare parts, maintenance equipment, accessories UV 70x IQ SAC Mounting Description Model Order no. accessories Mounting set for horizontal installation with VIS Set/EH 481 073 EH/F 170 swing mounting assembly Set for the mounting of UVVIS/SAC/NOx VIS Set/F 481 080 sensors to the S 200 electrode floater Flow-through armature VIS FT-1...

  • Page 42: What To Do If

    What to do if... UV 70x IQ SAC What to do if... "----" display Cause Remedy (invalid measured – User calibration values entered – Correct the entry and enter once value) incorrectly again (section 4.3.2) Sensor check (H2O dest.) – * –...
  • Page 43 What to do if... UV 70x IQ SAC Drifting measured Cause Remedy values – Cleaning efficiency too low - mea- – Clean the measurement windows surement windows becoming (section 5.2.4) more and more contaminated – Use other cleaning method – Select different measurement loca- tion –...
  • Page 44 What to do if... UV 70x IQ SAC ERROR Display of Cause Remedy – Sensor not correctly connected – Check the assignment of the termi- nal connections – Load at a power supply module – Install another power supply module too high in the vicinity of the sensor –...

  • Page 45: Technical Data

    Technical data UV 70x IQ SAC Technical data Measurement characteristics Measuring principle Absorption measurement; integrated microprocessor electronics, shielded 2- wire connection for power and data transmission. Photo diodes Wavelengths 254 nm Measurement 550 nm Turbidity compensation Measuring gap UV 701 IQ SAC 1 mm (optical layer UV 705 IQ SAC...

  • Page 46: Application Characteristics

    Technical data UV 70x IQ SAC Measuring mode Measuring range Resolution BOD correl. 0.0 ... 500.0 mg/L 0.1 mg/L DOC correl. 0.0 ... 500.0 mg/L 0.1 mg/L UVT 254, dissolved 0.0 ... 100.0 % 0.1 % The UVT-254 value is standardized to 10 mm gap width. The quoted measuring ranges are nominal measuring ranges that are theoretically possible.

  • Page 47: General Data

    Technical data UV 70x IQ SAC Operating position General data Dimensions hock protection: (in mm) Ø 96 Socket SACIQ... Ø 60 With shock protection: Ø 96 Weight Approx. 3.8 kg (without shock protectors and without sensor connec- tion cable) Approx. 4.8 kg (with shock protectors but without sensor connection cable) Connection Connection via SACIQ (SW) sensor connection cable...

  • Page 48: Electrical Data

    Technical data UV 70x IQ SAC Meter safety Applicable norms – EN 61010-1 – UL 61010-1 – CAN/CSA C22.2#61010-1 – IEC 62471 Test certificates cETLus, CE Conforms to ANSI/UL 61010-1 Certified to CAN/CSA C22.2#61010-1" 2001759 Electrical data Nominal voltage Max. 24VDC via the IQ S (for more details, ENSOR...

  • Page 49: Indexes

    Indexes UV 70x IQ SAC Indexes Explanation of the messages This chapter contains a list of all the message codes and related message texts that can occur in the log book of the IQ S system for the ENSOR UV 70x IQ SAC sensor. Information on the contents and structure of the log book and the structure of the message code is given in the L chapter of...

  • Page 50: Error Messages

    Indexes UV 70x IQ SAC 9.1.1 Error messages Message code Message text Sensor temperature too high! EA2541 * Check process and application Sensor temperature too low! EA3541 * Check process and application Optical measuring range exceeded EAF541 * Check process (TSS or measured value too high) * Select measuring location free of air bubbles * Remove foreign matter from measuring gap * Clean sensor...
  • Page 51 Indexes UV 70x IQ SAC Message code Message text Overflow optical measurement ES4541 * Execute zero ajustment Failure optical measurement: hardware ES5541 * Contact service Failure optical measurement: software ES6541 * Contact service Failure optical measurement: software BIOS ES7541 * Contact service ba77046e02 05/2017...

  • Page 52: Informative Messages

    Indexes UV 70x IQ SAC 9.1.2 Informative messages Message code Message text Calculation of negative concentrations IA23Ax * Perform user calibration or check user calibration Zero adjustment was successfully carried out IAC541 * Carry out sensor check * If required, carry out new user calibration Factory calibration has been activated.

  • Page 53: Status Info

    Indexes UV 70x IQ SAC Status info The status info is a coded piece of information on the current status of a sensor. Each sensor sends this status info to the controller. The status info of sensors consists of 32 bits, each of which can have the value 0 or 1. 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1 0 0 0 0 0 0 0...

  • Page 54: Appendix: Glossary

    Appendix: Glossary UV 70x IQ SAC Appendix: Glossary Absorbance (Absorp- Attenuation of the light beam when it penetrates the sample. tion) Adjusting To manipulate a measuring system so that the relevant value (e.g. the displayed value) differs as little as possible from the correct value or a value that is regarded as correct, or that the difference remains within the tolerance.
  • Page 55 Appendix: Glossary UV 70x IQ SAC Measuring gap The measuring gap is between the two measurement windows. In the measuring gap, the light beam penetrates the test sample. Measuring system The measuring system comprises all the devices used for measuring, e.
  • Page 56 Appendix: Glossary UV 70x IQ SAC ba77046e02 05/2017...
  • Page 58 Xylem also provides a leading portfolio of smart metering, network technologies and advanced analytics solutions for water, electric and gas utilities. In more than 150 countries, we have strong, long-standing relationships with customers who know us for our powerful combination of leading product brands and applications expertise with a strong focus on developing comprehensive, sustainable solutions.

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