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Vaisala WXT532 User Manual

Vaisala WXT532
235 pages
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USER'S GUIDE
Vaisala Weather Transmitter
WXT530 Series
M211840EN-C

Table of Contents

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Vaisala WXT532 Specifications

General IconGeneral
BrandVaisala
ModelWXT532
CategoryTransmitter
LanguageEnglish

Summary

CHAPTER 1 GENERAL INFORMATION

General Safety Considerations

Highlights important safety considerations throughout the manual.

CHAPTER 2 PRODUCT OVERVIEW

CHAPTER 3 FUNCTIONAL DESCRIPTION

Wind Measurement Principle

Explains how the WXT530 uses ultrasonic technology for wind speed and direction measurement.

Precipitation Measurement Principle

Details the RAINCAP Sensor 2-technology used for detecting and measuring precipitation.

PTU Measurement & Heating

Describes PTU sensor principles and the function of heating elements.

CHAPTER 4 INSTALLATION

Site Selection for Measurement

Guides on choosing an optimal site for installation based on WMO guidelines.

Transmitter Installation Overview

Steps for mounting, grounding, aligning, and connecting the transmitter.

Mounting Methods

Details on how to mount the transmitter onto a vertical pole mast or horizontal cross arm.

Grounding Procedures

Explains the importance of grounding and how to achieve a good connection.

CHAPTER 5 WIRING & POWER MANAGEMENT

Power Supply Requirements

Information on current consumption and voltage requirements for the transmitter.

M12 Connector Wiring

Details the pin-out and wiring for the 8-pin M12 connector.

Power Management Strategies

Discusses power consumption and strategies for economical power management.

CHAPTER 6 CONNECTION OPTIONS

Communication Protocol Selection

Lists available communication protocols for each serial interface.

Communication Setting Commands

Details commands for checking and changing communication settings.

Changing Communication Settings (aXU)

Procedure and commands for modifying communication settings.

CHAPTER 7 RETRIEVING DATA MESSAGES

ASCII Protocol Commands

Lists data commands and formats for ASCII communication.

Wind Data Message Request (aR1)

Command to request wind data messages from the transmitter.

PTU Data Message Request (aR2)

Command to request pressure, temperature, and humidity data.

Precipitation Data Message Request (aR3)

Command to request precipitation data messages.

Supervisor Data Message Request (aR5)

Command to request supervisor data, including heating and voltage status.

Composite Data Message Query (aR0)

Command for a user-configurable combined data message.

Automatic Data Transmission

How the transmitter sends data automatically at user-defined intervals.

Automatic Composite Data Message (aR0)

Automatic sending of composite data messages at user-configurable intervals.

SDI-12 Protocol Introduction

Overview of the SDI-12 standard and its modes.

Start SDI-12 Measurement Command (aM)

Command to initiate a measurement on a specific sensor.

Send SDI-12 Data Command (aD)

Command to request measured data from the device.

Continuous SDI-12 Measurement (aR)

How to request all parameters instantly using the aR command.

NMEA 0183 Protocol Overview

Data query and message formats for NMEA 0183 query and automatic protocols.

NMEA MWV Wind Query

Command to request wind speed and direction data in MWV format.

NMEA XDR Transducer Query

Command to output data from all sensors except wind using XDR format.

CHAPTER 8 SENSOR & DATA MESSAGE SETTINGS

Wind Sensor Configuration

Section dedicated to configuring wind sensor settings and data messages.

Changing Wind Settings (aWU)

Procedure and commands for changing wind sensor settings.

PTU Sensor Configuration

Section for configuring PTU sensor settings and data messages.

Changing PTU Settings (aTU)

Procedure and commands for changing PTU sensor settings.

Precipitation Sensor Configuration

Section for configuring precipitation sensor settings and data messages.

Changing Precipitation Settings (aRU)

Procedure and commands for changing precipitation sensor settings.

Supervisor Message Configuration

Section for configuring supervisor message settings.

Changing Supervisor Settings (aSU)

Procedure and commands for changing supervisor message settings.

Composite Data Message Definition (aR0)

Defines parameters to be included in the composite data message.

Analog Output Functionality

Details analog output options for WXT532, including scaling and operation.

Analog Output Scaling Configuration

How to specify transfer function for analog output values.

CHAPTER 9 MAINTENANCE

PTU Module Replacement Guide

Step-by-step guide for replacing the PTU module.

Technical Support Contact

Information on how to contact Vaisala technical support for assistance.

CHAPTER 10 TROUBLESHOOTING

Data Validation & Problem Resolution

Table outlining common problems, causes, and actions for data validation.

Communication Problem Diagnosis

Table detailing common communication issues and their solutions.

CHAPTER 11 TECHNICAL SPECIFICATIONS

Performance Specifications Overview

Provides technical data on the performance of the WXT530 Series transmitters.

Wind Measurement Specifications

Specifies range, response time, accuracy, and units for wind speed and direction.

Inputs & Outputs Summary

Details operating voltage, current consumption, heating voltage, and digital outputs.

APPENDIX A NETWORKING

RS-485 Interface Wiring & Protocol

Details wiring and communication protocols for the RS-485 interface.

APPENDIX B SDI-12 PROTOCOL

SDI-12 Communications Protocol

Explains the communication protocol for SDI-12 devices.

APPENDIX D WIND MEASUREMENT AVERAGING

Wind Averaging Method Explanation

Explains averaging methods for wind speed/direction based on protocol and settings.

APPENDIX H CONFIGURATION PARAMETERS

General Configuration Parameters

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

PTU Configuration Parameters

Lists configuration parameters for PTU data controls, update interval, and units.

Wind Configuration Parameters

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

Precipitation Configuration Parameters

Lists configuration parameters for precipitation data controls, update interval, and units.

Auxiliary Sensor Parameters

Lists configuration parameters for auxiliary sensors, including averaging time and gain.

Analog mA Output Parameters

Lists configuration parameters for analog mA output, including wind speed and direction scaling.

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