KROHNE OPTISENS ODO 2000 Handbook
Handbook
Handbook
OPTISENS ODO 2000
OPTISENS ODO 2000
OPTISENS ODO 2000OPTISENS ODO 2000
HandbookHandbook
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
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IMPRINT
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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)
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OPTISENS ODO 2000
CONTENTS
1 Safety instructions 5
1.1 Intended use ..................................................................................................................... 5
1.2 Certifications .................................................................................................................... 5
1.3 Safety instructions from the manufacturer ..................................................................... 6
1.3.1 Copyright and data protection ................................................................................................ 6
1.3.2 Disclaimer ............................................................................................................................... 6
1.3.3 Product liability and warranty ................................................................................................ 7
1.3.4 Information concerning the documentation........................................................................... 7
1.3.5 Warnings and symbols used................................................................................................... 8
1.4 Safety instructions for the operator................................................................................. 8
2 Device description 9
2.1 Scope of delivery............................................................................................................... 9
2.2 Device description .......................................................................................................... 10
2.3 Nameplate ...................................................................................................................... 10
3 Installation 11
3.1 General notes on installation ......................................................................................... 11
3.2 General installation instructions ................................................................................... 11
3.3 Storage and transport .................................................................................................... 12
3.4 Configuration of a measuring point ............................................................................... 12
3.5 Pre-installation requirements ....................................................................................... 13
3.6 Opening the converter housing ...................................................................................... 14
3.7 Installation procedure .................................................................................................... 14
3.8 Sensor use without cleaning function............................................................................ 14
3.9 Sensor use with cleaning function ................................................................................. 15
3.10 Mounting the sensor into an assembly ........................................................................ 16
4 Electrical connections 17
4.1 Safety instructions.......................................................................................................... 17
4.2 Connecting the power supply to the signal converter MAC 100.................................... 17
4.3 Connecting the sensor cable to the signal converter.................................................... 19
4.4 Connecting the sensor directly to the control system................................................... 21
4.5 Connecting the sensor to PC.......................................................................................... 21
5 Operation 22
5.1 Menu mode structure..................................................................................................... 22
5.2 Calibration ...................................................................................................................... 25
5.2.1 Calibration checklist ............................................................................................................. 26
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
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CONTENTS
OPTISENS ODO 2000
5.3 Commands for operation via RS485............................................................................... 35
5.3.1 Help ....................................................................................................................................... 35
5.3.2 Acquisition............................................................................................................................. 36
5.3.3 Digital mode .......................................................................................................................... 37
5.3.4 Analog output........................................................................................................................ 37
5.3.5 Chloride salinity .................................................................................................................... 37
5.3.6 Atmospheric pressure .......................................................................................................... 37
5.3.7 Relative humidity .................................................................................................................. 37
5.3.8 Sensitivity calibration............................................................................................................ 38
5.3.9 Zero point calibration............................................................................................................ 38
5.3.10 Last calibration date ........................................................................................................... 38
5.3.11 ID value................................................................................................................................ 38
5.3.12 Baud rate............................................................................................................................. 39
5.4 Troubleshooting.............................................................................................................. 39
5.5 Function tables ............................................................................................................... 40
6 Service 41
6.1 Maintenance ................................................................................................................... 41
6.1.1 Cleaning ................................................................................................................................ 41
6.1.2 Recalibration......................................................................................................................... 41
6.1.3 Optical disk replacement...................................................................................................... 42
6.2 Spare parts availability...................................................................................................42
6.3 Availability of services .................................................................................................... 43
6.4 Returning the device to the manufacturer..................................................................... 43
6.4.1 General information.............................................................................................................. 43
6.4.2 Form (for copying) to accompany a returned device............................................................ 44
6.5 Disposal .......................................................................................................................... 44
7 Technical data 45
7.1 Measuring principle........................................................................................................45
7.2 Technical data................................................................................................................. 46
7.3 Dimensions and weight .................................................................................................. 48
8 Notes 49
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OPTISENS ODO 2000
1.1 Intended use
CAUTION!
Responsibility for the use of the measuring devices with regard to suitability, intended use and
corrosion resistance of the used materials against the measured fluid lies solely with the
operator.
INFORMATION!
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.
1.2 Certifications
CE marking
SAFETY INSTRUCTIONS
1
The device fulfils the statutory requirements of the following EC directives:
• EMC Directive 2014/30/EU
The manufacturer certifies successful testing of the product by applying the CE marking.
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SAFETY INSTRUCTIONS
1.3 Safety instructions from the manufacturer
1.3.1 Copyright and data protection
The contents of this document have been created with great care. Nevertheless, we provide no
guarantee that the contents are correct, complete or up-to-date.
The contents and works in this document are subject to copyright. Contributions from third
parties are identified as such. Reproduction, processing, dissemination and any type of use
beyond what is permitted under copyright requires written authorisation from the respective
author and/or the manufacturer.
The manufacturer tries always to observe the copyrights of others, and to draw on works created
in-house or works in the public domain.
The collection of personal data (such as names, street addresses or e-mail addresses) in the
manufacturer's documents is always on a voluntary basis whenever possible. Whenever
feasible, it is always possible to make use of the offerings and services without providing any
personal data.
OPTISENS ODO 2000
We draw your attention to the fact that data transmission over the Internet (e.g. when
communicating by e-mail) may involve gaps in security. It is not possible to protect such data
completely against access by third parties.
We hereby expressly prohibit the use of the contact data published as part of our duty to publish
an imprint for the purpose of sending us any advertising or informational materials that we have
not expressly requested.
1.3.2 Disclaimer
The manufacturer will not be liable for any damage of any kind by using its product, including,
but not limited to direct, indirect or incidental and consequential damages.
This disclaimer does not apply in case the manufacturer has acted on purpose or with gross
negligence. In the event any applicable law does not allow such limitations on implied warranties
or the exclusion of limitation of certain damages, you may, if such law applies to you, not be
subject to some or all of the above disclaimer, exclusions or limitations.
Any product purchased from the manufacturer is warranted in accordance with the relevant
product documentation and our Terms and Conditions of Sale.
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.
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1.3.3 Product liability and warranty
The operator shall bear responsibility for the suitability of the device for the specific purpose.
The manufacturer accepts no liability for the consequences of misuse by the operator. Improper
installation or operation of the devices (systems) will cause the warranty to be void. The
respective "Standard Terms and Conditions" which form the basis for the sales contract shall
also apply.
1.3.4 Information concerning the documentation
To prevent any injury to the user or damage to the device it is essential that you read the
information in this document and observe applicable national standards, safety requirements
and accident prevention regulations.
If this document is not in your native language and if you have any problems understanding the
text, we advise you to contact your local office for assistance. The manufacturer can not accept
responsibility for any damage or injury caused by misunderstanding of the information in this
document.
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.
SAFETY INSTRUCTIONS
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SAFETY INSTRUCTIONS
1.3.5 Warnings and symbols used
Safety warnings are indicated by the following symbols.
DANGER!
This warning refers to the immediate danger when working with electricity.
DANGER!
This warning refers to the immediate danger of burns caused by heat or hot surfaces.
DANGER!
This warning refers to the immediate danger when using this device in a hazardous atmosphere.
DANGER!
These warnings must be observed without fail. Even partial disregard of this warning can lead to
serious health problems and even death. There is also the risk of seriously damaging the device
or parts of the operator's plant.
OPTISENS ODO 2000
WARNING!
Disregarding this safety warning, even if only in part, poses the risk of serious health problems.
There is also the risk of damaging the device or parts of the operator's plant.
CAUTION!
Disregarding these instructions can result in damage to the device or to parts of the operator's
plant.
INFORMATION!
These instructions contain important information for the handling of the device.
LEGAL NOTICE!
This note contains information on statutory directives and standards.
• HANDLING
HANDLING
HANDLINGHANDLING
This symbol designates all instructions for actions to be carried out by the operator in the
specified sequence.
i RESULT
RESULT
RESULTRESULT
This symbol refers to all important consequences of the previous actions.
1.4 Safety instructions for the operator
WARNING!
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.
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OPTISENS ODO 2000
2.1 Scope of delivery
INFORMATION!
Inspect the packaging carefully for damages or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
DEVICE DESCRIPTION
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Figure 2-1: Standard scope of delivery
1 Ordered sensor
2 Documentation
Optional accessories
• SENSOFIT IMM 2000 - Immersion assembly
Consumables / Spare parts available
• Connector for cleaning hose
• Zero solution (sodium sulfite Na
• Optical disk
) for verification and calibration
2SO3
INFORMATION!
For further information contact your local sales office.
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DEVICE DESCRIPTION
2.2 Device description
Figure 2-2: Device description
1 Cleaning nozzle
2 2" NPT
3 Attached cable
OPTISENS ODO 2000
2.3 Nameplate
Figure 2-3: Example for a nameplate
1 Serial number
2 Serial number as barcode
3 Order code
4 Article number
5 Device name
6 Manufacturer
7 Electronic/electric device waste marking (WEEE dustbin symbol)
8 CE marking
9 Country of manufacture
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
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The sensor type is specified on the label of the sensor package and on the sensor itself.
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OPTISENS ODO 2000
3.1 General notes on installation
INFORMATION!
Inspect the packaging carefully for damages or signs of rough handling. Report damage to the
carrier and to the local office of the manufacturer.
INFORMATION!
Do a check of the packing list to make sure that you have all the elements given in the order.
INFORMATION!
Look at the device nameplate to ensure that the device is delivered according to your order.
Check for the correct supply voltage printed on the nameplate.
3.2 General installation instructions
The sensor tip must always have full contact with water.
The mounting position of the sensor should be 25°...75° from vertical position (sensor tip
pointing downwards). Non-observance might cause air bubbles or dirt/sludge to stick to the
sensor tip.
INSTALLATION
3
For optimal positioning use an immersion assembly as shown in the following image.
Figure 3-1: Optimal mounting position
1 Immersion assembly
2 Sensor holder
3 Handrail
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.
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INSTALLATION
3.3 Storage and transport
• Store the device in a dry, dust-free location.
• Avoid continuous direct sunlight.
• The original packing is designed to protect the equipment. It has to be used if the device is
transported or sent back to the manufacturer.
3.4 Configuration of a measuring point
The sensor has a 4...20 mA current loop and can be operated with external signal converter or
without. If operated without the external converter the converter is needed as configuration and
calibration tool.
A complete measuring point consists of at least two or three parts:
• Optional: A signal converter (for configuration only as calibration tool or for operation)
• OPTISENS ODO 2000 sensor (including cable)
• Immersion assembly or other adequate housing
OPTISENS ODO 2000
If automatic flushing is installed, an optional solenoid valve is necessary as well.
Examples of typical measuring points are listed in the following sections.
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OPTISENS ODO 2000
3.5 Pre-installation requirements
CAUTION!
•
Never touch or scratch the optical disk (luminophore with black silicone cover) of the sensor.
•
Make sure that the optical disk is clean and dust-free. If necessary, clean the optical disk as
described on page 41
CAUTION!
Do not turn the cable gland on the sensor this might cause a sensor leak and damage the
electronics inside. While mounting or dismounting the sensor, the senor cable must not be fixed
or trapped as this might loosen the water tight gland connection from the sensor.
INSTALLATION
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Figure 3-2: Unpacking the sensor
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.
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INSTALLATION
3.6 Opening the converter housing
INFORMATION!
Clean and grease all threads each time you open the housing. Use only resin-free and acid-free
grease. Before closing the cover, ensure that the housing gasket is properly fitted, clean and
undamaged.
All installation works on the electrical connections require to open the converter housing:
• Loose the four screws 1 with a crosstip screwdriver.
• Lift the housing at the top and bottom at the same time 2.
• Slide the housing cover backward 3.
i The housing cover is guided and held by the inside hinge; you have access to the terminal
compartment now (see 4 in the previous drawing and next section).
OPTISENS ODO 2000
3.7 Installation procedure
The device is factory calibrated and the analog signals are set to the measurement range
0...20 mg/l (ppm). To install the device in the correct way, follow the order and the following
sections and their instructions.
1. Connect the sensor to the signal converter or directly to the control system.
2. Configure the measurement range. Verify or calibrate sensor if required.
3. Mount the sensor into the immersion assembly. (For further information refer to the manual of
the assembly)
4. Install the sensor into its final measuring location.
3.8 Sensor use without cleaning function
WARNING!
Without a cap on the air line connector the sample might block the cleaning drilling for later use
or water might flow into a closed assembly and damage the probe due to later handling.
Before installation and immersion the sensor check the following order:
• Do not install any flexible tubing.
• 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.
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OPTISENS ODO 2000
3.9 Sensor use with cleaning function
INFORMATION!
Most applications do not require the cleaning function if the sensor is installed correctly in a
correct angle.
When the automatic cleaning is required the device can be equipped with a cleaning hose for air
cleaning.
Before the device is installed into its final measuring location the following points must
be observed
• provide hose (Ø 6.3...9.5 mm / 1/4...3/8") in suitable length
• prepare a connection for the cleaning hose
• push the hose onto the cleaning connector
• put the sensor cable and cleaning hose through the adequate extension pipe of the mounting
assembly
The pressurised air is to be provided and must be clean with a max of 3 bar.
INSTALLATION
3
The typical cleaning time is 15 seconds and the typical cleaning frequency is 2 times/day, but this
will differ from application to application.
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INSTALLATION
3.10 Mounting the sensor into an assembly
DANGER!
All work on the electrical connections may only be carried out with the power disconnected.
CAUTION!
Do not turn the cable gland on the sensor this might cause a sensor leak and damage the
electronics inside. While mounting or dismounting the sensor, the senor cable must not be fixed
or trapped as this might loosen the water tight gland connection from the sensor.
INFORMATION!
Check the sensor on air after each manual cleaning procedure. For further information refer to
Calibration with a signal converter on page 27
For further instructions on installation into an immersion assembly refer to the assembly
manual.
Use an assembly that does not fix the sensor cable or require the sensor to be screwed into the
assembly. If the sensor needs to be screwed for mounting or dismounting make sure that the
sensor cable is turned into the same direction.
.
OPTISENS ODO 2000
Installing procedure
• Insert the sensor cable through the immersion assembly.
• Fasten the sensor to the tip of the assembly.
• Connect the wires either to the control system directly (only 4...20 mA) or to the MAC 100
signal converter. For further information refer to
refer to
Connecting the sensor directly to the control system
Connecting the sensor cable to the signal converter
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
Connecting the sensor to PC
on page 21 and refer to
on page 19.
on page 21,
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