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OTT HydroMet Kipp & Zonen WS50PV Operational Manual

Compact all-in-one weather sensor
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WS50PV Compact All-in-One
Weather Sensor
Operational Manual

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Summary of Contents for OTT HydroMet Kipp & Zonen WS50PV

  • Page 1 OTT HydroMet brand WS50PV Compact All-in-One Weather Sensor 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 7.1.5 Aligning to north 7.1.6 Installing external rain gauge Electrical installation 7.2.1 Electrical connections 7.2.2 Supply voltage 7.2.3 RS485 Interface 7.2.4 Connecting external sensors Commissioning for MODBUS format Basics Modbus communication parameter Supported Modbus functions Modbus RTU frame Setup instruction with Modbus Poll Holding register (configuration settings) Input register (measurement values) Status and service register...

  • Page 5: Scope Of Supply

    1 Scope of supply The following items are included with delivery: – Compact All-in-One Weather Sensor – Instruction Sheet – Calibration Certificate <5>...

  • Page 6: Order Numbers And Variant Code

    2 Order numbers and variant code 2.1 Product variants Variant Order number WS50PV 8373.PV 2.2 Accessories and spare parts Item Order number External rain gauge WTB100 8353.10 External temperature sensor WT1 8160.WT1 Connection cable 10 m 8370.UKAB10 Connection cable 20 m 8370.UKAB20 Connection cable 30 m 8370.UKAB30 Connection cable 50 m...

  • Page 7: About This Manual

    3 About this manual 3.1 Other applicable documents and software The following documents and software contain further information on installation, maintenance and calibration and can be downloaded at www.otthydromet.com/: – WS50PV Instruction Manual – Modbus ® – Instruction Sheet – Firmware – Data Sheet –...

  • 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: Health Hazards

    4.7 Health hazards 4.7.1 Risk of electrical shock Live parts can cause electric shocks in the event of contact. 4 Never take measurements on live electrical parts. 4 Never touch live electrical parts. 4.7.2 Beware of hair being sucked in There is a small fan at the bottom of the device.

  • Page 11: Certification

    4.10 Certification CE (EU) The equipment meets the essential requirements of EMC Directive 2014/30/EU. FCC (US) FCC Part 15, Class "B" Limits This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: 1.

  • Page 12: Product Description

    5 Product description 5.1 Design and function The compact all-in-one weather sensor measures the most critical weather parameters such as: – Air temperature – Relative humidity – Air pressure – Wind direction – Wind speed An external temperature or rain sensor can be added to the single-wire digital Modbus interface. The sensor supports the serial transmission mode Modbus ®...

  • Page 13: 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 14: 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 – compass 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 15: Fastening

    7.1.4 Fastening The mounting bracket is designed to be installed on top of a mast with a diameter of 60 to 76 mm or on a suitable mast crossbeam. Mounting bracket Nut with washer Spring Mast 4 Loosen the nuts. 4 Push the device onto the top of the mast or crossbeam from above. 4 Tighten the nuts evenly until they touch the springs but the device can still be moved easily.

  • Page 16: Installing External Rain Gauge

    4 Position the device in such a way that the south and north wind sensors are aligned with the fixed point of reference in the north. 4 Tighten both nuts with 3 revolutions. The magnetic North Pole displayed by the compass differs from the Geographic North Pole. When aligning the device, the declination (variation) at the location must be taken into account.

  • Page 17: Electrical Installation

    7.2 Electrical installation Ultrasonic device do generate noise close-by the device and not hearable by humans. 7.2.1 Electrical connections WARNING Electric shock due to incorrectly connected device! If the device is not connected correctly, it may be permanently damaged and an electric shock may result. 4 Ensure that the device is connected correctly.

  • Page 18: Rs485 Interface

    7.2.2.1 Limitations in 12 V mode If the heating is operated on 12 V DC, the functional restrictions in winter operation has to be kept in mind. A heating voltage of 24 V DC is recommended to guarantee full heating duty. 7.2.2.2 Limitations with supply voltage below 12 V When operating devices with a supply voltage lower than 12 V DC, the fan is not switched on regardless of the fan operating mode.

  • Page 19: Commissioning For Modbus Format

    8 Commissioning for MODBUS format 8.1 Basics The WS50PV supports the serial transmission mode MODBUS-RTU. It is assumed the user has already basic knowledge of Modbus ® RTU communications. In addition to this chapter there is a full WS50PV Modbus description available, that includes all available measuring and configuration parameter: –...

  • Page 20: Modbus Rtu Frame

    8.4 Modbus RTU frame The Modbus remote terminal unit frame starts and ends with a silent mode of 3.5 character times. The first figure shows how the full frame looks like and the second figure shows an example to read input register. Overview Modbus RTU frame Example Modbus RTU frame, read input register Example Modbus RTU frame, write single register...
  • Page 21 4 Open Setup > Read/Write Definition and read 15 configuration settings starting from register 200. ð Output data of holding register: 4 For data interpretation, see the following section. <21>...

  • Page 22: Holding Register (Configuration Settings)

    8.6 Holding register (configuration settings) Reg. addr. Function R/W Default Value Data type Scaling R/W device ID Value range: 1 ... 245 (ascending order) R/W baud rate 6 = 19200; 12 = 9600 R/W parity 0 = no 1 = even R/W stop bits 1 = 1 Stop Bit 2 = 2 Stop Bit R/W altitude...

  • Page 23: Input Register (Measurement Values)

    Reg. addr. Function R/W Default Value Data type Scaling R/W setpoint Target temperature in °C for the wind sensor temperature for (is equal to 50°C) heating heating Range: 50 ... 500 (is equal to 5 ... 50 °C) R/W external 0: none 0 = none sensor 1 = temperature 2 = rain gauge...
  • Page 24 Measurement values Imperial units Metric units (°F, mph, mil/h) (°C, m/s, mm/h) Statistical Current Statistical Current (MIN, MAX, AVG) (MIN, MAX, AVG) Reg. Addr.: 110 – 128 Reg. Addr.: 140 – 158 Reg. Addr.: 10 – 28 Reg. Addr.: 40 – 58 Register addresse for imperial and metric units MIN/MAX Corresponding value is calculated via the circular buffer at 5-minute interval In the case of wind...

  • Page 25: Status And Service Register

    External sensors (requires additional accessories) Imperial Metric STAT STAT Measurement value Units Data type Scaling (Imp. | Metric) External sensor °F |°C temperature Total precipitation high mil | mm Total precipitation low mil | mm Precipitation diff. mil | mm Precip.

  • Page 26: Maintenance

    4 Check the operation of the fan. Annually 4 Have a calibration check performed. OTT HydroMet 9.2 Updating firmware with HexLoad If one of the below prerequisites is not met by the available installation, the WS50PV must be connected separately with the PC the firmware update is executed on.
  • Page 27 4 Start the programming with F9. ð If programming is successful, the message Job succeed appears. 4 Exit HexLoad. ð The device is ready for operation with the new firmware. Do not disconnect the sensor power supply or the supply of your RS-485 transceiver while the update is being performed.

  • Page 28: Troubleshooting

    180 to 186. 4 If the error is not listed, then contact the technical support department of OTT HydroMet. Input register transmits an error – 4 Check the status of the corresponding (65530 for unsigned and 32762...

  • Page 29: Repair

    11 Repair 11.1 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 30: 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 31: Technical Data

    13 Technical data 13.1 General technical data Specification Value Fastening Stainless steel bracket for mast with diameter 60 to 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 % Cable length 10 m...

  • Page 32: Measuring Range And Accuracy

    13.4 Measuring range and accuracy Air temperature Specification Value Measurement process Measuring range -40 °C to +60 °C Resolution 0.1 °C (-20 °C to +50 °C) otherwise 0.2 °C Sensor accuracy ±0.5 °C Units °C, °F Relative humidity Specification Value Measurement process Capacitive Measuring range 0 to 100 % RH Resolution 0.1 % Accuracy...
  • Page 33 Wind direction Specification Value Measurement process Ultrasonic Measuring range 0 to 359.9° Resolution 1° Accuracy < 5° RMSE (> 1 m/s) Units ° The external temperature sensor and rain gauge use the same input, so only one of them can be connected simultaneously. External temperature sensor WT1/WST1 Specification Value Measurement process...
  • Page 34 <34>...
  • Page 35 <35>...
  • Page 36 Contact Information...

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