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OTT HydroMet Lufft WS100 Operational Manual

Smart weather sensor
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WS100 Smart Weather Sensor
Operational Manual

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Summary of Contents for OTT HydroMet Lufft WS100

  • Page 1 WS100 Smart Weather Sensor Operational Manual...
  • Page 2 70736 Fellbach Germany +49 711 51822 -0 met-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 7.2.1 Electrical connections 7.2.2 Supply voltage 7.2.3 RS485 Interface 7.2.4 Connecting ISOCON-UMB converter 7.2.5 Installing surge protection 7.2.6 Connecting impulse output for rain gauge simulation Commissioning for UMB data format Device set-up Configuration and testing 8.2.1 Factory settings Configuration using UMB binary protocol 8.3.1 Configuration using ConfigTool.NET Version 1.5.1693 or newer 8.3.2...
  • Page 5 Notes on disposing of old devices Technical data 15.1 General technical data 15.2 Electrical data 15.3 Data transfer 15.4 Dimensions and weight 15.5 Measuring range and accuracy 15.6 Measurement output 15.6.1 WMO Codes 15.6.2 Drop diameter distribution 15.6.3 Service messages <5>...

  • Page 6: Scope Of Supply

    1 Scope of supply The following item is included with delivery: – Smart weather sensor <6>...

  • Page 7: Order Numbers And Variant Code

    2 Order numbers and variant code 2.1 Product variants Variant Order number Authorized region Frequency range WS100-UMB (EU) 8367.U03 24,0 –  24,075 GHz WS100-UMB (US, CA) 8367.U04 US, CA 24.075 – 24.175 GHz 2.2 Accessories and spare parts Item Order number Mast 4.5 m 8357450 Surge protection 8379.USP Traverse 8367.TRAV1...

  • Page 8: 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: – User Manual Smart Weather Sensors – Operating Manual UMB ISO Converter ISOCON – Operating instructions surge protection The following documents and software can be downloaded at www.lufft.com: –...

  • Page 9: 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 10: General Safety Instructions

    The equipment described in this manual must be installed, operated, maintained and repaired by qualified personnel only. 4 Obtain training from OTT HydroMet if necessary. 4.4 Operator obligations The installer is responsible for observing the safety regulations. Unqualified personnel working on the product can cause risks that could lead to serious injury.

  • Page 11: Health Hazards

    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. 4.7 Health hazards 4.7.1 Risk of electrical shock Live parts can cause electric shocks in the event of contact.

  • Page 12: Certification

    4.9 Certification Devices with precipitation radar are subject to approval regulations which differ between countries. The radar modules have been certified for use in EU, USA and Canada. If the devices are operated in other jurisdictions, the following must be observed: 4 Clarify and ensure compliance with any additional regulatory requirements.

  • Page 13: Product Description

    5 Product description 5.1 Design and function The precipitation sensor measures the quantity, intensity and type of precipitation such as rain, freezing rain, hail, snow and sleet. Radar technology is used for measurements. The sensor is suitable for meteorological observations in particular in the following applications: –...

  • Page 14: 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 the supplier and manufacturer.

  • Page 15: Installation

    7 Installation 7.1 Mechanical installation 7.1.1 Required tools and aids The following tools and aids are required: – open-end or ring spanner, SW 13 7.1.2 Choosing a site WARNING Risk of injury due to improper installation! If the mast or the device is installed improperly, damage to the device and injury to people may result. 4 Ensure that the mast stands on a stable surface.

  • Page 16: Fastening

    If the device is used to observe the weather for road and traffic control systems, carry out the following installation steps: 4 Install the device at the top of the mast or on a suitable mast crossbeam with a clear view at least 4.5 m above the ground.

  • Page 17: Supply Voltage

    There is an 8-pole screw connector on the underside of the device. This serves to connect the supply voltage and the interfaces via the connection cable. Pin assignment Number Color Assignment White Supply voltage ground and SDI-12_GND Brown Positive supply voltage (through 2.5 A fuse) Green RS485_A (+) Yellow...

  • Page 18: Connecting Isocon-Umb Converter

    7.2.4 Connecting ISOCON-UMB converter The ISOCON-UMB communication module converts RS485 into RS232. +12V GND1 +24V GND2 Green: RS485 interface A White: supply voltage ground GND2 Yellow: RS485 interface B Brown: positive supply voltage +24 V 4 Connect the brown, white, green and yellow wires to the ISOCON-UMB converter. 4 Connect the red and blue wire direct to the power supply unit, not to the ISOCON-UMB converter.

  • Page 19: Commissioning For Umb Data Format

    4 If several smart weather sensors are operated on a UMB network, assign a unique device ID to each sensor. 8.2 Configuration and testing For configuration and testing OTT HydroMet Fellbach GmbH provides the proprietary software ConfigTool.NET. ConfigTool.NET can also be used to update the firmware of the device.

  • Page 20: Factory Settings

    8.2.1 Factory settings The device is delivered with the following settings: Specification Value Class ID 7 (cannot be modified) Device ID 1 (gives address 7001h = 28673d) Baudrate 19200 RS485 protocol Binary Calculation interval 10 measurements Local altitude 8.3 Configuration using UMB binary protocol When the device is using UMB binary protocol the baudrates and the parity can be adjusted in the ConfigTool.NET software.

  • Page 21: Configuration Using Older Versions Of Configtool.net

    8.3.2 Configuration using older versions of ConfigTool.NET When using older versions of ConfigTool.NET or other tools the communication can be opened by the following procedure: 4 Connect the PC to the device through a RS485 converter. 4 Start ConfigTool.NET and create a WSx00-UMB with ID 200. 4 Open the page Device Settings.

  • Page 22: General Settings

    8.3.4 General settings Parameter Description Device-ID Factory setting: 1 Assign the IDs for the devices in ascending order. Description To differentiate the devices enter a description, e.g. the location. Baudrate Transmission speed of the RS485 interface Factory setting: 19200 DO NOT change for operation with ISOCON-UMB. Protocol Communication protocol of the device: UMB-Binary, UMB-ASCII, SDI-12, MODBUS- RTU, MODBUS-ASCII, Terminal-Mode...

  • Page 23: Energy Management

    8.3.5 Energy management The energy consumption of the device can be adapted to the circumstances of the installation by setting the following parameters: Parameter Description Operation mode The power consumption of the device can be adjusted to the properties of the individual installation.

  • Page 24: Specific Settings

    The other parameters, e.g. evaporation or correction factors, can be used to adapt the precipitation detection to special local conditions. They should only be modified after consultation with OTT HydroMet Fellbach GmbH, as they have a major influence on the functioning and accuracy of the sensor.
  • Page 25 4 Select the resolution of the simulated rain gauge. Factory setting is 0.01 mm. 8.3.6.3 Reset precipitation quantity To reset the accumulated absolute precipitation quantity, proceed as follows: 4 Click the reset symbol in the ConfigTool.NET software, top right of the window header. 4 In the Target section, select a new target from the drop-down menu.

  • Page 26: Testing

    8.4 Testing The functions of the device can be tested with the ConfigTool.NET software by polling various channels. 4 Click on the desired channel. The ConfigTool.NET software is provided for test and configuration purposes only. The tool is not suitable for the permanent acquisition of measurement data.

  • Page 27: Commissioning For Sdi-12 Data Format

    9 Commissioning for SDI-12 data format The device can be operated with various protocols, e.g. UMB-ASCII. Further information on the protocols and the full description of UMB channels, SDI-12 and Modbus protocol can be found in the User Manual Smart Weather Sensors. 9.1 Device set-up Preconfigured devices with the SDI-12 protocol are available on inquiry.

  • Page 28: Command Set

    9.3 Command set The commands listed below are available for the device. Due to the applied measurement process the device measures continuously in normal operation mode. This causes the following special properties while in this mode: – The device does not need a “Wakeup” and does not have a sleep mode. So the reactions to “Break” signals and any related timings are inapplicable.

  • Page 29: Data Messages

    Command Function Details aXD+nnn.n! Set local compass deviation – aXW<c/u>! Activate / deactivate compass correction – aXL<n/s/w>! Set power saving mode – aXMn! Set the heating mode of the device – aXK+n! Set rain gauge resolution – aXA<t/p/w>+nn! Integration time for average and min/max evaluation –...
  • Page 30 The buffer assignment depends on the device variant. The complete set of measurement values defined for the UMB protocol is available in the SDI-12 environment and can be called up via the additional M-commands and C- commands: aM1! ... aM8!, aMC1! ... aMC8!, aC1! ... aC8!, aCC1! ... aCC8!. If the sensor type requested with the measurement command is not available with the actual variant of the smart weather sensor, the device will respond as follows: a0000<CR><LF>...

  • Page 31: Message Device Identification

    9.5 Message device identification The device responds to the identification request with following message (): Example: SDI-12 device address ‘0’ 013Lufft.deWSx00ynnn x: device type (4, 5, 6, 2, 3 ) y: Metric / US units (m = metric, u = US) nnn: Software version Example: WS100, configured for imperial US units 013Lufft.deWS100u029...
  • Page 32 Sensor status codes: Sensor status Code Invalid channel E2_CAL_ERROR E2_CRC_KAL_ERR FLASH_CRC_ERR FLASH_WRITE_ERR FLASH_FLOAT_ERR MEAS_ERROR MEAS_UNABLE INIT_ERROR VALUE_OVERFLOW CHANNEL_OVERRANGE VALUE_UNDERFLOW CHANNEL_UNDERRANGE BUSY Other sensor status Generally each sensor has two status values, one for the direct value and another for the measurement value buffer used for the evaluation of the average, minimum, and maximum values.

  • Page 33: Commissioning For Modbus Format

    10 Commissioning for MODBUS format The device can be operated with various protocols, e.g. UMB-ASCII. Further information on the protocols and the full description of UMB channels, SDI-12 and Modbus protocol can be found in the User Manual Smart Weather Sensors. 10.1 Device set-up Preconfigured smart weather sensors with the MODBUS protocol are available upon request.

  • Page 34: Function 0X04 Read Input Registers

    Starting with device version 227 / firmware version v60 additional coil functions are available. Command Function Comment Conformance Class 0 0x03 Read holding registers Selected configuration settings 0x16 Write multiple registers Selected configuration settings Conformance Class 1 0x01 Read Coils Selected additional operations (from device version 227) 0x04...
  • Page 35 When using the metric unit system the first three blocks can supply all data required with one request. There is no difference in the register assignment between the product variants. If, dependent on the variant, some value is not available, this will be indicated by setting the register to the error value. The following tables mainly show average values.
  • Page 36 Register Register Value Range Scaling factor Comment number address (UMB channel) signed/unsigned Precipitation intensive mm/h Factor 100, u Limited to 200.00 mm/h Values in imperial US units Heating temperature R2S °F Factor 10, s – Precipitation absolute in Factor 1000, u Limited to 25.800 in Precipitation different in Factor 10 000, u...

  • Page 37: Status And Type Coding

    Register Register Value Range Scaling factor Comment number address (UMB channel) signed/unsigned Precipitation intensity mm/h Factor 100, u – Heating temperature °C Factor 10, s – Total precipitation in Factor 1000, u – Precipitation difference in Factor 1000, u – Precipitation intensity in/h Factor 1000, u –...
  • Page 38 The single status are retrieved from the register as integer part: Status 1 = register / 4096 Status 2 = (register / 256) AND 0x000F Status 3 = (register / 16) AND 0x000F Status 4 = register AND 0x000F The following table shows the sensor status coding: Sensor status Code UNGLTG_KANAL...

  • Page 39: Maintenance

    Annually 4 Have a calibration check performed. OTT HydroMet 11.2 Updating firmware The firmware can be updated with the ConfigTool.NET software. The firmware is valid for all types of the device. The description of the update can be found in the ConfigTool.NET software.

  • Page 40: Troubleshooting

    12 Troubleshooting 12.1 Error elimination Error Possible cause Corrective action Device does not allow polling or Device does not work properly 4 Check the power supply. does not respond 4 Check the interface connection. Device does not allow polling or Incorrect device ID is applied 4 Check if the correct device ID is does not respond...
  • Page 41 When the error value 55h (85d) is transmitted, this value is 0 %. If the device permanently transmits values below 50 %, this may mean that there is a fault. Device transmits an unknown – 4 Report any malfunction to the error value representative of OTT HydroMet. <41>...

  • Page 42: Repair

    13 Repair 13.1 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 43: 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:...

  • Page 44: Technical Data

    15 Technical data 15.1 General technical data Specification Value Fastening Stainless steel bracket for mast with diameter 60 – 76 mm Housing Plastic (PC) Protection class III (SELV) Protection type IP66 Operating temperature range -40 to +60 °C Storage temperature range -50 to +70 °C Humidity range 0 to 100 % Survival wind speed 75 m/s...

  • Page 45: Dimensions And Weight

    15.4 Dimensions and weight Ø150 mm Ø150 mm WS100-UMB, 600 g 15.5 Measuring range and accuracy Measuring range Specification Value Measuring range (drop size) 0.3 to 0.5 mm Drop size distribution 11 drop size classes with bandwidth of 0.5 mm Precipitation intensity 0.01 to 200 mm/h (0 to 7.874 inch/h) Solid precipitation 5.1 to 30 mm...

  • Page 46: Measurement Output

    15.6 Measurement output Measurements are transmitted in accordance with UMB binary protocol (factory settings). Further information can be found in the User Manual Smart Weather Sensors. 15.6.1 WMO Codes Sampling rate: 1 minute (10 minute floating average) Response threshold: 0.1 mm/h Request channels: Measurement variable Coding...

  • Page 47: Drop Diameter Distribution

    Measurement variable Coding channel (uint8) 69 rain/drizzle + snow, moderate/heavy 2.5 mm/h ≥ 71 continuous fall of snow, slight 1 mm/h < 73 continuous fall of snow, moderate 1 mm/h to 4.0 mm/h ≥ < 75 continuous fall of snow, heavy 4.0 mm/h > 89 hail shower, slight 2.5 mm/h <...

  • Page 48: Service Messages

    The accumulated sum of events of each channel will be reset to 0 after transmission. For consistent results, all related channels must be requested in one run. If the response from the device is lost due to a transmission error (e.g. poor GPRS connection), the quantity accumulated to date is also lost.
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  • Page 52 Contact Information...

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