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OTT HydroMet Kipp & Zonen DustIQ Operational Manual

Soiling monitoring system
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DustIQ Soiling Monitoring System
Operational Manual

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Summary of Contents for OTT HydroMet Kipp & Zonen DustIQ

  • Page 1 OTT HydroMet brand DustIQ Soiling Monitoring System Operational Manual...
  • Page 2 2628 XH Delft The Netherlands +31 15 2755 210 solar-info@otthydromet.com www.otthydromet.com All rights reserved. All content is the intellectual property of OTT HydroMet. Reprinting, duplication and translation (even as excerpts) are only permitted with the prior written consent of OTT HydroMet. Subject to technical change.

  • Page 3: Table Of Contents

    Table of contents Scope of supply Order numbers and variant code Product variants Accessories and spare parts About this manual Other applicable documents and software General signs and symbols Explanation of warnings General safety instructions Intended use Potential misuse Personnel qualification Operator obligations Personnel obligations Correct handling...
  • Page 4 7.3.6 Connecting USB converter and power supply 7.3.7 Connecting PMU485 Smart Setup Hub Commissioning Instrument set-up 8.1.1 Establishing connections 8.1.2 Checking and changing setups 8.1.3 Adjusting the communication parameters 8.1.4 Finding an instrument with unknown communication parameters Operation Making and saving measurements Collecting data Taring and local dust calibration procedures 9.3.1...

  • Page 5: Scope Of Supply

    1 Scope of supply The following items are included with delivery: – DustIQ panel – 4 mounting clamps with bolts, washers and nuts – Instruction Sheet <5>...

  • Page 6: Order Numbers And Variant Code

    2 Order numbers and variant code 2.1 Product variants Variant Order number DustIQ, 35 mm 0386915 2.2 Accessories and spare parts Item Order number PMU485 Smart Setup Hub 0382460 10 m cable with 8-pin ODU plug 0386621 25 m cable with 8-pin ODU plug 0386622 50 m cable with 8-pin ODU plug 0386623...

  • Page 7: About This Manual

    3 About this manual 3.1 Other applicable documents and software The following documents contain further information on installation, maintenance and calibration: – Instruction Manual DustIQ – Soiling Monitoring System – Datasheet – DustIQ Soiling Monitoring System – Instruction Sheet – Instruction Manual PMU485 – Smart Setup Hub for RS-485 instruments The documents above and the following software can be downloaded at www.kippzonen.com: –...

  • Page 8: Explanation Of Warnings

    3.3 Explanation of warnings To avoid personal injury and material damage, you must observe the safety information and warnings in the operating manual. The warnings use the following danger levels: WARNING WARNING This indicates a potentially hazardous situation. If the hazardous situation is not avoided, it may result in death or serious injuries.

  • Page 9: General Safety Instructions

    4 Do not change or convert the product in any way. 4 Do not perform any repairs yourself. 4 Get OTT HydroMet to examine and repair any defects. 4 Ensure that the product is correctly disposed of. Do not dispose of it in household waste.

  • Page 10: Installation And Maintenance At High Places

    4.7 Installation and maintenance at high places When the product is installed and maintained at high places, special safety measures must be taken to avoid personal injury. 4 Observe and follow the local safety regulations. 4 Use suitable safety equipment. 4 Inspect the safety equipment before use.

  • Page 11: Product Description

    5 Product description 5.1 Design and function The DustIQ measures and reports the transmission loss (TL) and soiling ratio (SR) caused by light being blocked and reflected and subsequently not getting through the glass of the panel due to soiling of the panel. The DustIQ has no moving parts and it does not need sunlight to operate.

  • Page 12: Transport, Storage, And Unpacking

    6 Transport, storage, and unpacking 6.1 Unpacking 4 Carefully remove the product from the packaging. 4 Check that the delivery is complete and undamaged. 4 If you find any damage or if the delivery is incomplete, then immediately contact your supplier or manufacturer.

  • Page 13: Installation

    7 Installation 7.1 Planning installation For giving a good representation of soiling across the PV plant, several DustIQs should be placed in the PV array. For 1 MW plants, 1 DustIQ in the middle is sufficient. However, for lager plants from 25 MW, 1 DustIQ in the middle and one in each corner are recommended.

  • Page 14: Mechanical Installation

    7.2 Mechanical installation 7.2.1 Preparatory work 4 Set the Modbus ® address before visiting the site. Otherwise a computer and RS-485 / USB converter is required during installation. 7.2.2 Required tools and aids The following tools and aids are required: –...

  • Page 15: Testing Instrument

    7.2.4 Testing instrument For testing purposes in areas with wind strength 6 Beaufort, the instrument can be installed with the clamps on a ≤ spot, where two PV panels meet: 4 Align the instrument alongside the PV panels. 4 If the instrument is aligned vertically, make sure sensor 1 is the lower sensor. 4 To install the instrument on two PV panels, mount 3 clamps on the instrument.

  • Page 16: Grounding Dustiq

    7.3.2 Grounding DustIQ The shield of the cable is connected to the aluminium DustIQ housing through the connector body. 4 Secure the DustIQ with a good connection to ground, e.g. by using a lightning conductor. 4 Do not connect the cable shield at the junction box, SCADA system or data logger. 4 If there is no good ground connection at the instrument, connect the shield at the cable end to ground at the host or junction box.

  • Page 17: Connecting Usb Converter And Power Supply

    4 Locate the 8-pin connector correctly int he DustIQ socket labelled Host, it only fits one way. ð The red dot on the connector is aligned to the red dot on the chassis socket. 4 Hold the connector by the end or by the grooved ring and push it into the socket. ð...

  • Page 18: Connecting Pmu485 Smart Setup Hub

    7.3.7 Connecting PMU485 Smart Setup Hub When using the PMU485 Smart Setup Hub, the following connections need to be made: Red – not connected Green – not connected Brown – not connected PMU485 Yellow – D+ signal Smart Setup Hub RS-485 ground Gray –...

  • Page 19: Commissioning

    8 Commissioning 8.1 Instrument set-up The Smart Explorer software Version 2.0.1.0 or newer, allows to configure a DustIQ and to collect real-time data. After the first start, the window below appears: The factory default communication parameters are as follows: – Modbus ®...

  • Page 20: Establishing Connections

    8.1.1 Establishing connections 4 To establish a connection to the instrument, click on the Setup Connection button. 4 Activate the Serial RTU protocol to establish the direct RS-485 connection. 4 Select the COM port (see Windows Device Manager). 4 Leave the other factory settings unchanged. 4 Click on the Confirm button to save the settings.
  • Page 21 4 Start the Smart Explorer software. 4 Click on the Setup menu and check whether the following settings are activated: <21>...

  • Page 22: Adjusting The Communication Parameters

    4 Click on the Advanced Options tab and check whether the following settings are activated: 4 Adjust the settings if necessary. 4 Click on the Update button to save the settings. 8.1.3 Adjusting the communication parameters 4 Click on the Configuration tab to access the current communication parameters. <22>...
  • Page 23 4 To change the parameters, click on the Configure Device button. ð The following warning appears: 4 To change the Modbus address, the baud rate and the parity, close the window and activate the Single Instrument Use operating mode on the Connections tab. The Modbus address can also be changed in the Normal Network Use operating mode.

  • Page 24: Finding An Instrument With Unknown Communication Parameters

    4 Click on the Next button. ð The Update tab appears: 4 Click on the Update button to save the settings. ð Following the update, the instrument is reset and is ready for operation again after approximately 1 minute. ð The communication parameters are changed and the Connections tab appears. 8.1.4 Finding an instrument with unknown communication parameters 4 Activate the Single Instrument Use operating mode on the Connections tab.
  • Page 25 4 If no instrument is found, click on the Start From Boot button. ð The following window appears: 4 Follow the instructions in the window. ð The connected instrument is displayed: ð After approximately 1 minute, reliable measurement results appear on the Connections tab. 4 Check the communication parameters on the Configuration tab.

  • Page 26: Operation

    9 Operation 9.1 Making and saving measurements The instruments require suitable sources of power to operate and make measurements. 4 To save the measurements, connect the instrument to a readout or data storage device. The instrument has no internal data memory. 9.2 Collecting data An optimal setting for the data collection interval is to sample every 1 to 15 minutes and later post-process the data and remove data points influenced by e.g.

  • Page 27: Post-Processing Of Old Dustiq Data After Local Dust Calibration

    3. Temperature and irradiance consideration: – Temperature adjustment: Use back panel temperature sensors to measure the PV panel temperature during power output recordings. Normalize the energy output data to a standard temperature to account for variations that affect PV efficiency. –...
  • Page 28 This is also true for data obtained with other DustIQs on the same PV plant that the user can’t or doesn’t want to locally calibrate. The new post-processed Soiling Ratio (SR ) can also be calculated from the old Soiling Ratio (SR ) using formula 2: (100 Simple post-processing workflow:...

  • Page 29: Maintenance

    10 Maintenance 10.1 Maintenance schedule The frequency of cleaning is dependent upon the local weather and environmental conditions. The following maintenance intervals are recommended: Interval Activity Performed by Annually 4 Check all electrical connections. Operator 4 Check all cables for damage. 4 Check the instrument mounting.

  • Page 30: Troubleshooting

    4 If all fails, "start from boot". Reset the instrument's communication parameters (e.g baud rate, modbus address, etc.) using smart explorer. Output signal not available or Instrument does not work 4 Report any malfunction or damage to incorrect properly the representative of OTT HydroMet. <30>...

  • Page 31: Repair

    12 Repair 12.1 Customer support 4 Have repairs carried out by OTT HydroMet service personnel. 4 Only carry out repairs yourself, if you have first consulted OTT HydroMet. 4 Contact your local representative: www.otthydromet.com/en/contact-us 4 Include the following information: – instrument model –...

  • Page 32: Notes On Disposing Of Old Devices

    In accordance with the German Electrical and Electronic Equipment Act (ElektroG; national implementation of EU Directive 2012/19/EU), OTT HydroMet takes back old devices in the Member States of the European Union and disposes of them in the proper manner. The devices that this concerns are labeled with the following symbol: 4 For further information on the take-back procedure contact OTT HydroMet: OTT HydroMet B.V.

  • Page 33: Technical Data

    14 Technical data 14.1 Optical and electrical data Specification Value Transmission Loss (TL) range Percentage of sunlight that is blocked or scattered in such a way that it does not reach the actual solar cells: 0 to 50 % Soiling Ratio (SR) range 100 to 50 % (SR = 100 – TL) Accuracy Uncertainty: 1 % + 0.1 x reading...

  • Page 34: Dimensions And Weight

    14.2 Dimensions and weight 35 mm 35 mm 90 mm 160 mm Specification Value Dimensions packed 120 x 20 x 8 cm Dimensions unpacked 99 x 16 x 3.5 cm Weight packed 5.6 kg Weight unpacked DustIQ unit: 4 kg Mounting clamps: 600 g <34>...
  • Page 35 <35>...
  • Page 36 Contact Information...

This manual is also suitable for:

0386915

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