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Vaisala WXT530 Series User Manual

Vaisala WXT530 Series
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M211840EN-D
User Guide
Vaisala Weather Transmitter
WXT530 Series
sales@streamlinemeasurement.co.uk
01457-864334
www.streamlinemeasurement.co.uk

Table of Contents

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Vaisala WXT530 Series Specifications

General IconGeneral
Wind Speed Range0 to 60 m/s
Wind Direction Range0 to 360°
Humidity Range0 to 100 %RH
Power Supply10 to 30 VDC
Weight1.5 kg
IP RatingIP66
Measurement ParametersWind speed, Wind direction, Temperature, Humidity, pressure
Temperature Range-52 to +60°C
Pressure Range600 to 1100 hPa
Communication InterfacesRS-232, RS-485, SDI-12
Operating Temperature-52 to +60°C

Summary

About This Document

Documentation Conventions

Explains conventions like WARNING, CAUTION, NOTE, TIP used in the document.

Trademarks

Lists registered trademarks of Vaisala and other companies.

Product Overview

WXT530 Series Weather Transmitters

Introduces the WXT530 product family and its applications.

WXT536

Details the WXT536 model, listing its measured parameters and options.

WXT535 and WXT534

Describes the measured parameters for WXT535 and WXT534 models.

WXT533 and WXT532

Details the measured parameters for WXT533 and WXT532 models.

WXT531

States that WXT531 measures rain.

Components

Identifies key components of the WXT536 transmitter with numbered labels.

Optional Features

Lists optional features available for the WXT530 series, such as USB cables and mounting kits.

USB Cables

Describes the available USB cables for connecting the transmitter to a PC.

Mounting Kit

Explains the purpose of the mounting kit and its effect on the transmitter's IP classification.

Surge Protector

Recommends surge protectors for lightning protection and lists Vaisala's models.

Bird Kit

Explains how the bird kit reduces interference from birds on measurements.

Vaisala Configuration Tool

Introduces the Windows-based software for parameter setting.

Backward Compatibility

Discusses compatibility with older Vaisala products and configuration.

Regulatory Compliances

Lists EMC and RoHS compliance standards for the WXT530 series.

Functional Description

Wind Measurement Principle

Explains the Vaisala WINDCAP sensor technology and the calculation of wind speed and direction.

Precipitation Measurement Principle

Describes the Vaisala RAINCAP Sensor 2-technology and measured precipitation parameters.

PTU Measurement Principle

Explains the measurement principle for pressure, temperature, and humidity sensors.

Heating

Details the heating function for cleaning sensors from snow and ice and its control.

Analog Input Interface

Explains the analog input option for external sensors available on WXT536.

Analog Output Interface

Describes the analog output option for wind speed and direction on WXT532.

Installation

Installing WXT530

Outlines the steps for installing the WXT530 transmitter at the measurement site.

Maritime Installations

Provides specific installation guidelines for maritime environments according to IEC 60945.

Placing WXT530

Advises on selecting a representative site free from turbulence for accurate measurements.

Unpacking WXT530

Shows the contents of the shipping container for the WXT530 transmitter.

Mounting WXT530

Explains that the transmitter is easy to install and can be mounted on a pole mast or support arm.

Mounting WXT530 on Vertical Pole Mast without Mounting Kit

Provides step-by-step instructions for mounting the transmitter on a pole mast without a kit.

Mounting WXT530 on Vertical Pole Mast with Mounting Kit

Details the process of mounting the transmitter on a pole mast using the optional mounting kit.

Mounting WXT530 on Sensor Support Arm

Guides on how to mount the transmitter on a sensor support arm.

Grounding

Explains the importance of grounding the transmitter for a good earth connection.

Grounding with Bushing and Grounding Kit

Describes how to use the Bushing and Grounding Kit for proper grounding.

Aligning WXT530

Explains how to align the transmitter using the North arrow for correct orientation.

Aligning WXT530 with Compass

Provides instructions on aligning the transmitter using a compass and the North arrow.

Configuring Wind Direction Offset

Explains how to set a wind direction offset if alignment is not precise.

Installing Vaisala Configuration Tool

Guides on installing the Vaisala Configuration Tool software.

Installing USB Cable Driver

Instructs on installing the necessary USB cable driver for PC connection.

Wiring and Power Management

Power Supplies

Discusses power supply requirements and minimum consumption graphs.

Power Management

Provides hints for economic power management based on operating modes and protocols.

Wiring with 8-pin M12 Connector

Details the wiring for the 8-pin M12 connector for various interfaces.

External Wiring

Describes the external wiring connections for the 8-pin M12 connector.

Internal Wiring

Explains the internal wiring options for the 8-pin M12 connector.

Wiring Using Screw Terminals

Guides on wiring the transmitter using screw terminals.

Data Communication Interfaces

Illustrates the data communication interfaces supported by the transmitter.

Connection Options

Communication Protocols

Lists available communication protocols for each serial interface.

Connection Cables

Shows the available connection cable options for WXT530 series transmitters.

Connecting with Service Cable

Explains how to connect using the USB service cable for settings changes.

Connecting through M12 Bottom Connector or Screw Terminal

Details how to check and change device settings via M12 or screw terminals.

Communication Setting Commands

Introduces commands for checking and changing communication settings.

Checking Current Communication Settings (aXU)

Provides the command to query the current communication settings.

Settings Fields

Describes the parameters and their possible values for communication settings.

Changing the Communication Settings (aXU)

Explains how to modify communication settings using commands.

Retrieving Data Messages

General Commands

Covers general commands for transmitter reset and basic operations.

Reset (aXZ)

Explains the command for performing a software reset on the device.

Precipitation Counter Reset (aXZRU)

Describes the command to reset rain and hail accumulation and duration parameters.

Precipitation Intensity Reset (aXZRI)

Details the command to reset rain and hail intensity parameters.

Measurement Reset (aXZM)

Explains the command to interrupt and restart measurements, excluding rain.

ASCII Protocol

Covers commands and data message formats for the ASCII protocol.

Abbreviations and Units

Provides a table of abbreviations and units used in data messages.

Device Address (?)

Explains how to query the device address on the bus.

Acknowledge Active Command (a)

Describes the command to check if a device responds to a data recorder.

Wind Data Message (aR1)

Explains the command to request wind data.

Pressure, Temperature and Humidity Data Message (aR2)

Details the command to request pressure, temperature, and humidity data.

Precipitation Data Message (aR3)

Covers the command to request precipitation data.

Supervisor Data Message (aR5)

Explains the command to request supervisor data including self-check parameters.

Combined Data Message (aR)

Describes the command to request multiple individual messages at once.

Composite Data Message Query (aR0)

Details the command for a composite data message with user-configurable parameters.

Polling with CRC

Explains how to use data query commands with CRC for data integrity.

Automatic Mode

Covers how the transmitter sends data messages at user-configurable intervals.

Automatic Composite Data Message (aR0)

Explains sending composite data messages at user-configurable intervals.

SDI-12 Protocol

Describes the two modes available for the SDI-12 standard.

Address Query Command (?)

Explains the command to query the device address on the bus.

Acknowledge Active Command (a)

Describes the command to check device presence on the SDI-12 bus.

Change Address Command (aAb)

Details how to change the device address and ensure it's written to non-volatile memory.

Send Identification Command (aI)

Explains the command to query compatibility level, model, firmware, and serial number.

Start Measurement Command (aM)

Covers the command to make a measurement, noting data is not sent automatically.

Start Measurement Command with CRC (aMC)

Explains the start measurement command with CRC for response data.

Start Concurrent Measurement (aC)

Describes the command for simultaneous measurements from multiple devices or single device with >9 parameters.

Start Concurrent Measurement with CRC (aCC)

Explains concurrent measurement command with CRC for response data.

Send Data Command (aD)

Covers the command to request measured data from the device.

Examples of aM, aC and aD Commands

Provides examples of using start measurement and send data commands.

Continuous Measurement (aR)

Explains how to request all parameters instantly using the aR command.

Continuous Measurement with CRC (aRC)

Describes continuous measurement with CRC for response data strings.

NMEA 0183 v3.0 Protocol

Lists data query commands and message formats for NMEA 0183 query and auto protocols.

Device Address (?)

Explains the command to query the device address on the bus.

Acknowledge Active Command (a)

Describes the command to check device response on the bus.

MWV Wind Speed and Direction Query

Covers the command to request wind speed and direction data using MWV.

XDR Transducer Measurement Query

Explains the command to output data from all sensors except wind.

TXT Text Transmission

Describes the text transmission response format.

Automatic Mode

Covers automatic mode for NMEA 0183, sending messages at user-configurable intervals.

Automatic Composite Data Message (aR0)

Explains sending composite data messages at user-configurable intervals.

Sensor and Data Message Settings

Sensor Configuration and Data Message Formatting

Lists sensor configuration and data message formatting commands for communication protocols.

Wind Sensor

Details commands for checking and changing wind sensor settings.

Checking the Settings (aWU)

Provides the command to check current wind sensor settings.

Setting Fields

Describes parameters and bits for wind data message configuration.

Changing the Settings (aWU)

Explains how to modify wind sensor settings like averaging time and units.

Pressure, Temperature, and Humidity Sensors

Details commands for checking and changing PTU sensor settings.

Checking the Settings (aTU)

Provides the command to check current PTU sensor settings.

Setting Fields

Describes parameters and bits for PTU data message configuration.

Changing the Settings (aTU)

Explains how to modify PTU sensor settings like parameter selection and units.

Precipitation Sensor

Details commands for checking and changing precipitation sensor settings.

Checking the Settings (aRU)

Provides the command to check current precipitation sensor settings.

Setting Fields

Describes parameters and bits for precipitation data message configuration.

Changing the Settings (aRU)

Explains how to modify precipitation sensor settings like units and auto-send mode.

Supervisor Message

Details commands for checking and changing supervisor settings.

Checking the Settings (aSU)

Provides the command to check current supervisor settings.

Setting Fields

Describes parameters and bits for supervisor data message configuration.

Changing the Settings (aSU)

Explains how to modify supervisor settings like update interval and heating control.

Composite Data Message (aR0)

Explains defining parameters for the composite data message aR0.

Analog Input

Shows the pins of the analog input connectors and their settings.

Enabling and Disabling Analog Input

Guides on enabling/disabling analog input with the aIU,R= command.

Common Sensor Settings (aIU)

Details common settings for analog inputs like update interval.

Aux Input Averaging Time [A]

Explains averaging time for ultrasonic level and solar radiation measurements.

Parameter Selection [R]

Defines the active measurements for analog inputs.

Getting Data Messages

Explains how to get data messages using the aR4 command.

Aux Rain Sensor Settings [aIA]

Details settings for the aux rain sensor, including gain and reset mode.

Solar Radiation Sensor Settings [aIB]

Explains gain and parameter selection for solar radiation sensors.

Ultrasonic Level Sensor Settings [aIS]

Details gain and parameter selection for ultrasonic level sensors.

Aux.temperature Sensor Settings [aIP]

Guides on setting temperature units for the aux temperature sensor.

Parameter Order for SDI-12 Mode

Specifies the parameter order for SDI-12 mode.

Analog Output

Covers changing analog output type and scaling for WXT532.

Analog Output Operation

Explains analog output scaling options (4-20mA or 0-20mA) and commands.

Maintenance

Cleaning

Provides instructions for cleaning the transmitter to ensure measurement accuracy.

Cleaning the Radiation Shield

Recommends cleaning the radiation shield annually with a soft cloth.

Replacing PTU Module

Details the procedure for replacing the PTU module, recommending replacement every two years.

Troubleshooting

Self-Diagnostics

Covers self-diagnostic functions and error messages.

Error Messaging/Text Messages

Explains how the transmitter sends text messages for various errors.

Rain and Wind Sensor Heating Control

Discusses monitoring rain and wind sensor heating status via supervisor message.

Operating Voltage Control

Explains how to check wiring and power supply for voltage deviations.

Missing Readings and Error Indication

Identifies reasons for missing wind readings, such as foreign objects.

Technical Specifications

Performance

Lists specifications for barometric pressure, air temperature, and relative humidity measurements.

Inputs and Outputs

Details electrical specifications including digital outputs and communication protocols.

Environmental Conditions

Outlines operating and storage temperature, humidity, and pressure ranges.

Mechanical Specifications

Provides weight and material specifications for the transmitter.

Options and Accessories

Lists available options and accessories with their order codes.

Type Label

Explains how to identify transmitters using the type label.

Dimensions (mm / inch)

Shows the physical dimensions of the WXT530 series transmitters.

Appendix A. Networking

Connecting Several Transmitters on Same Bus

Describes options for connecting multiple transmitters on the same bus.

SDI-12 Serial Interface

Covers wiring and communication protocol for the SDI-12 interface.

Wiring SDI-12

Provides instructions for performing SDI-12 wiring.

SDI-12 Communication Protocol

Details setting the SDI-12 v1.3 protocol for continuous or standard operation.

RS-485 Serial Interface

Covers wiring and communication protocol for the RS-485 interface.

RS-485 Wiring

Provides instructions for RS-485 wiring.

RS-485 Communication Protocol

Details setting the ASCII polled or NMEA query protocol for RS-485.

ASCII, Polled

Explains assigning addresses to transmitters for ASCII polled communication.

NMEA 0183 v3.0, Query

Describes the NMEA 0183 query messages and time slot method for data reception.

NMEA 0183 v3.0 Query with ASCII Query Commands

Explains using ASCII query commands with NMEA 0183 responses.

Appendix B. SDI-12 Protocol

SDI-12 Electrical Interface

Describes the SDI-12 electrical interface and its conductors.

SDI-12 Communications Protocol

Details the ASCII character exchange, breaks, and commands in SDI-12 communication.

SDI-12 Timing

Shows a timing diagram for SDI-12 commands and responses.

Appendix C. CRC-16 Computation

Encoding the CRC as ASCII Characters

Explains the algorithm for encoding 16-bit CRC into three ASCII characters.

NMEA 0183 v3.0 Checksum Computation

Describes how the checksum is calculated and formatted in NMEA sentences.

Appendix D. Wind Measurement Averaging Method

Appendix E. Factory Configurations

General Unit Settings

Lists read-only factory settings for general units, including order codes and serial numbers.

Wind Configuration Settings

Details read-only factory settings for wind parameters like strategy and pulse length.

PTU Configuration Settings

Lists read-only factory settings for PTU parameters, including serial number.

Rain Configuration Settings

Details read-only factory settings for rain parameters like gain and bypass.

Supervisor Settings

Lists read-only factory settings for supervisor parameters like heating set point.

Appendix F. Connecting External Sensors to WXT536

Connecting Ultrasonic Level Sensor to WXT536

Describes how to connect the ultrasonic level sensor IRU-9429 to WXT536.

Connecting Pyranometer to WXT536

Guides on connecting the CMP3 pyranometer to WXT536.

Connecting Resistance Temperature Sensor

Explains how to connect a temperature sensor to the M12 connector.

Connecting Rain Gauge to WXT536

Details how to wire the RG13/RG13H rain gauge to WXT536.

Appendix G. Complete Set of Accessories

Appendix H. Configuration Parameters

General Parameters

Lists general parameters for supervisor settings, device address, and protocol selection.

Pressure, Temperature and Humidity Parameters

Details parameters for PTU data controls, update interval, pressure, and temperature units.

Wind Parameters

Lists parameters for wind data controls, update interval, averaging time, and units.

Precipitation Parameters

Details parameters for precipitation data controls, update interval, and units.

Auxiliary Sensor Parameters

Lists parameters for auxiliary sensor controls, update interval, averaging time, and gain.

Analog mA Output Parameters

Details parameters for auxiliary sensor definitions and wind speed gain.

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