KROHNE OPTISENS ODO 2000 Handbook
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KROHNE OPTISENS ODO 2000 Handbook

Sensor for dissolved oxygen measurement
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OPTISENS ODO 2000
OPTISENS ODO 2000
OPTISENS ODO 2000
OPTISENS ODO 2000
Sensor for dissolved oxygen measurement in water and
wastewater
The documentation is only complete when used in combination with the relevant
documentation for the signal converter.
© KROHNE 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en
Handbook
Handbook
Handbook
Handbook

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Summary of Contents for KROHNE OPTISENS ODO 2000

  • Page 1 Handbook Handbook Sensor for dissolved oxygen measurement in water and wastewater The documentation is only complete when used in combination with the relevant documentation for the signal converter. © KROHNE 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 2 All rights reserved. It is prohibited to reproduce this documentation, or any part thereof, without the prior written authorisation of KROHNE Messtechnik GmbH. Subject to change without notice. Copyright 2016 by KROHNE Messtechnik GmbH - Ludwig-Krohne-Str. 5 - 47058 Duisburg (Germany) www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 3: Table Of Contents

    5.2.2 Calibration with a signal converter ..................27 5.2.3 Calibration log........................33 5.2.4 Calibration with PC ....................... 33 5.2.5 Communication protocol ...................... 34 5.2.6 Sensor mode options ......................34 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 4 6.4.2 Form (for copying) to accompany a returned device............44 6.5 Disposal .......................... 44 7 Technical data 7.1 Measuring principle......................45 7.2 Technical data......................... 46 7.3 Dimensions and weight ....................48 8 Notes www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 5: Safety Instructions

    The manufacturer is not liable for any damage resulting from improper use or use for other than the intended purpose. The intended use of OPTISENS ODO 2000 sensors is the measurement of dissolved oxygen in water and waste water applications. The sensor is suitable for connection to the MAC 100 signal converter.

  • Page 6: Safety Instructions From The Manufacturer

    The manufacturer reserves the right to alter the content of its documents, including this disclaimer in any way, at any time, for any reason, without prior notification, and will not be liable in any way for possible consequences of such changes. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 7: Product Liability And Warranty

    This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. Special considerations and precautions are also described in the document, which appear in the form of icons as shown below. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 8: Warnings And Symbols Used

    In general, devices from the manufacturer may only be installed, commissioned, operated and maintained by properly trained and authorized personnel. This document is provided to help you establish operating conditions, which will permit safe and efficient use of this device. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 9: Device Description

    Consumables / Spare parts available • Connector for cleaning hose • Zero solution (sodium sulfite Na ) for verification and calibration • Optical disk INFORMATION! For further information contact your local sales office. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 10: Device Description

    Look at the device nameplate to ensure that the device is delivered according to your order. The sensor type is specified on the label of the sensor package and on the sensor itself. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 11: Installation

    4 Rod holder 5 Mounting bracket INFORMATION! Install the sensor in a light angle to avoid wrong measurement results due to a dirty sensor or trapped air on the sensor. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 12: Storage And Transport

    • Immersion assembly or other adequate housing If automatic flushing is installed, an optional solenoid valve is necessary as well. Examples of typical measuring points are listed in the following sections. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 13: Pre-Installation Requirements

    Unpacking the sensor • Lay the sensor on a soft mat/tissue 1. • Keep the protection cap 2 in the original packaging as long as it is not required. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 14: Opening The Converter Housing

    • Install a cap on the air line connector in order to avoid the cleaning drilling to be blocked for later use or water to flow through it into a closed assembly. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 15: Sensor Use With Cleaning Function

    The pressurised air is to be provided and must be clean with a max of 3 bar. The typical cleaning time is 15 seconds and the typical cleaning frequency is 2 times/day, but this will differ from application to application. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 16: Mounting The Sensor Into An Assembly

    For removing the sensor, repeat the steps above in reverse order. Calibrate the sensor before installing it into the assembly. For further information refer to Calibration on page 25 www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 17: Electrical Connections

    The manufacturer has designed all creepage distances and clearances according to VDE 0110 and IEC 664 for pollution degree 2. The power supply circuits fulfil the overvoltage category III and the output circuits fulfil the overvoltage category II. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 18 (4 and 5). • Refasten the cover of the power supply terminal, close the converter housing and tighten all screws of the housing. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 19: Connecting The Sensor Cable To The Signal Converter

    Terminal block Pos.A Terminal block Pos.A White Green Yellow Grey None brown not connected Wire Wire Terminal S Terminal S Wire Wire Terminal S Terminal S Metal (non isolated cable) 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 20 • Push the wires 7 into terminal J 3, Q 4, Y5, V 6 and S 2. • To remove a wire, press down the white clip 8 on the corresponding terminal and pull the wire out. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 21: Connecting The Sensor Directly To The Control System

    The shield is not connected to the probe but it must be connected to the ground. Wire Function Shield not connected Yellow A (+) RS485 Grey B (-) RS485 Brown not connected Green + current loop White - current loop / COM RS485 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 22: Operation

    A4 set clock A5 reset errors A6 analog > A6.1 measurement outputs A6.2 conc. absolute A6.3 range A6.4 time constant A17 offset A18 temperature offset A19 product cal. ↓↑ ↓↑ ↓↑ www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 23 B5.1 status log B5.2 calibration log B6 information B6.1 C number B6.2 process input A B6.4 SW.REV. MS B6.5 SW.REV. UIS B6.6 Electronic Revision ER ↓↑ ↓↑ ↓↑ ↓↑ 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 24 C5.7 units ↓↑ ↓↑ ↓↑ ↓↑ D service: D service: D service: D service: This menu is password protected and contains functions to be used by service personnel only. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 25: Calibration

    Optical components such as LED and photodiodes as well as the sensing element (replaceable) can have a small drift during their lifetime. Checking and periodic calibration of the probe is always necessary to ensure the accuracy of the sensor. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 26: Calibration Checklist

    • The transmitter has an offset function which can be used in case of a small offset in zero solution after calibration. Calibration with a signal converter Calibration For further details refer to on page 27 or refer to with PC on page 33. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 27: Calibration With A Signal Converter

    After starting-up the signal converter, the measuring screen appears. This is the standard screen which is displayed automatically in the normal operating mode. In this mode the calibration can be started. Activate the manual "hold function" in the first step. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 28 Use a soft tissue very gently by pressing it onto the optical disk in order to avoid scratches. Otherwise water droplets are not being removed and interfere with later calibration. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 29 15°C 100.0% saturated / 10.15 ppm 20°C 100.0% saturated / 9.17 ppm 25°C 100.0% saturated / 8.38 ppm The values will depend of salinity, atmospheric pressure and relative humidity. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 30 Overall the calibration of Sensitivity and Zero is not allowed to last longer than 60 minutes with the signal converter. If it lasts longer the instrument will jump back to factory calibration and the calibration has to be started new. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 31 In this case press ^ ^ ^ ^ several times to leave the calibration menu. The message zero point calibration unsuccessful zero point calibration unsuccessful zero point calibration unsuccessful zero point calibration unsuccessful is highlighted if the calibration was unsuccessful. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 32 If the calibration was unsuccessful refer to Troubleshooting on page 39 • Step 5: switching back to measurement • Deactivate the function manual hold manual hold manual hold manual hold again. • Install the sensor in the measuring location. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 33: Calibration Log

    If during this 8 seconds interval digital activity is detected on the RS485 line it will switch to digital communication. Else it will remain in analog operation. The calibration and programming via PC gives additional possibilities concerning the signal calibration and is straight forward. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 34: Communication Protocol

    After 8 seconds from switching the sensor on, the current will provide for 8 seconds a fixed current value depending of the selected scale: 10 mA if selected scale is in ppm as standard setting 12 mA if selected scale is in % air saturation www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 35: Commands For Operation Via Rs485

    For example, if ID = 14, type 14H ^ or 00H ^ By sending the command 'H' the probe responds with a list of available commands with a brief description Figure 5-3: Help menu - List of all available commands 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 36: Acquisition

    The BCC is calculated as XOR of all bytes of the message (excluded <cr> and <lf>) and divided in 2 nibble. The 2 nibble are then transformed in ASCII codes. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 37: Digital Mode

    Probe response: ID + U + x command executed correctly Probe response: none command does not run properly To check whether the entered value was received, type the command 'A'. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 38: Sensitivity Calibration

    ID + I + x command executed correctly Probe response: none command does not run properly The new ID will be available from the next start up of the probe. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 39: Baud Rate

    Sensor does not answer via RS485 Baud rate programmed wrong Try with different baud rate but is connected the correct way (2400/4800/9600 or 19200 bits) 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 40: Function Tables

    Baud rate 2400 / 4800 / 9600 / 19200 bits 9600 bit Probes in network up to 32 Protocol ASCII Power supply Voltage 9...36 VDC Current 22 mA max. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 41: Service

    The life time expectation of the sensor depends heavily on the application and if something that might scratch the optical disk or something chemical aggressive is in the water (medium) to be monitored. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 42: Optical Disk Replacement

    Insure that the disk is screwed in all the way that no water can get into the sensor which would damage it. Figure 6-1: Optical disk for OPTISENS ODO 2000, including mounting tool 1 Sensor body...

  • Page 43: Availability Of Services

    • such dangerous substances, • to enclose a certificate with the device confirming that is safe to handle and stating the product used. 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 44: Form (For Copying) To Accompany A Returned Device

    The user must dispose of the WEEE to a designated collection point for the recycling of WEEE or send them back to our local organisation or authorised representative. www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 45: Technical Data

    LED its intensity is directly measured with a second light detector. Figure 7-1: Optical measurement of dissolved oxygen 1 Process media with dissolved 2 Color filter 3 2 identical light detectors 4 LED 5 Carrier 6 Fluorescent layer 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 46: Technical Data

    (ppm) or % Units displayed converter mg/l (ppm) Temperature sensor Pt100 Installation conditions Ingress conditions IP68 Weight Body 420 g / 0.93 lb 10 meter cable 760 g / 1.41 lb www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 47 This device fulfils the statutory requirements of the EC directives. The manufacturer certifies successful testing of the product by applying the CE mark. Electromagnetic compatibility EMC Directive 2014/30/EU EN 61326-2-3:2013 EN 55011:2009+A1:2010 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...

  • Page 48: Dimensions And Weight

    TECHNICAL DATA OPTISENS ODO 2000 7.3 Dimensions and weight Dimensions [mm] Dimensions [inch] 0,71 3,94 5,51 0,98 www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...

  • Page 49: Notes

    NOTES OPTISENS ODO 2000 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 50 NOTES OPTISENS ODO 2000 www.krohne.com 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en...
  • Page 51 NOTES OPTISENS ODO 2000 10/2016 - 4003689502 - MA OPTISENS ODO 2000 R02 en www.krohne.com...
  • Page 52 • Process Analysis • Services Head Office KROHNE Messtechnik GmbH Ludwig-Krohne-Str. 5 47058 Duisburg (Germany) Tel.: +49 203 301 0 Fax: +49 203 301 10389 info@krohne.com The current list of all KROHNE contacts and addresses can be found at: www.krohne.com...

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