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Vaisala WINDCAP WMT52 User Manual

Vaisala WINDCAP WMT52
143 pages
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USER'S GUIDE
Vaisala WINDCAP
®
Ultrasonic Wind Sensor WMT52
M210925EN-B

Table of Contents

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Vaisala WINDCAP WMT52 Specifications

General IconGeneral
Measurement PrincipleUltrasonic
Wind Speed Range0 to 60 m/s
Operating Temperature Range-40 to +60 °C
Protection ClassIP66
Weight1.5 kg
Wind Direction Range0 to 360 degrees
Output SignalRS-485
Resolution0.01 m/s

Summary

General Information

About This Manual

Provides information for installing, operating, and maintaining the product.

General Safety Considerations

Highlights important safety considerations throughout the manual.

ESD Protection

Explains electrostatic discharge risks and protection measures for electronic circuits.

Regulatory Compliance

Details EMC and vibration tolerance testing according to IEC standards.

Warranty

Explains Vaisala's warranty terms for products and service works.

Product Overview

Introduction to Ultrasonic Wind Sensor WMT52

Introduces the WMT52 sensor, its features, and advantages.

Heating Function

Describes the optional heating function to improve measurement accuracy.

Optional Software for Easy Settings

Details the Vaisala Configuration Tool for parameter and sensor settings.

WMT52 Components

Illustrates and lists the components of the WMT52 sensor.

Functional Description

Wind Measurement Principle

Explains how the WMT52 uses ultrasonic technology to measure wind speed and direction.

Heating (Optional)

Describes the heating elements and temperature control for keeping sensors clean.

Installation

Unpacking Instructions

Provides guidance on carefully removing the WMT52 from its shipping container.

Selecting the Location

Advises on choosing a site free from turbulence for representative measurements.

Mounting

Details options for mounting the WMT52 to a pole mast or cross arm.

Grounding the WMT52

Explains grounding methods via fixing screw or grounding kit.

Aligning the WMT52

Describes how to align the sensor using the north arrow and compass.

Wiring and Power Management

Power Supplies

Discusses operating voltage and input power supply requirements.

Wiring Using the 8-pin M12 Connector

Explains external wiring connections via the M12 connector.

Internal Wiring

Illustrates internal wiring for different serial interfaces.

Wiring Using the Screw Terminals

Describes wiring connections using the screw terminal block.

Power Management

Discusses power consumption based on operating mode and protocol.

Connection Options

Communication Protocols

Lists available communication protocols for each serial interface.

Connection Cables

Details the options for connecting the sensor via various cables.

Installing the Driver for the USB Cable

Instructions for installing the necessary USB driver on a PC.

Service Cable Connection

Guide for connecting the sensor using the USB service cable.

Communication Setting Commands

Explains commands for checking and changing current communication settings.

Getting the Data Messages

General Commands

Discusses general commands for device operation and status like Reset.

ASCII Protocol Commands

Details data commands and message formats for ASCII protocol.

SDI-12 Protocol Commands

Explains SDI-12 commands for measurement and identification.

NMEA 0183 Data Queries

Details NMEA 0183 query commands like MWV and XDR.

Sensor and Data Message Settings

Wind Sensor Settings

Covers sensor configuration and data message formatting for wind parameters.

Supervisor Message Settings

Covers supervisor settings and data message formatting.

Composite Data Message (aR0)

How to define parameters for composite data messages.

Maintenance

Cleaning

Instructions for cleaning the sensor to ensure measurement accuracy.

Factory Calibration and Repair Service

Information on sending the device for calibration and repair.

Vaisala Service Centers

Contact information for various Vaisala service centers globally.

Troubleshooting

Self-Diagnostics and Error Messaging

Discusses self-diagnostics, error messages, and their interpretation.

Wind Sensor Heating Control

Monitoring heating status and voltage via supervisor message.

Operating Voltage Control

Monitoring supply voltage and checking wiring.

Technical Support

Contact information for Vaisala technical support.

Technical Specifications

Performance Specifications

Specifies performance characteristics like range, response time, accuracy.

Inputs and Outputs

Details operational voltage, current consumption, and interfaces.

Operating Conditions

Lists housing class, temperature, humidity, pressure, and vibration specs.

Electromagnetic Compatibility

Details compliance with EMC standards and tested levels.

Options and Accessories

Lists available options and their order codes.

Dimensions

Provides physical dimensions of the WMT52 and mounting kit.

Networking

Connecting Multiple WMT52s

Explains how to connect multiple WMT52 units on a single bus.

SDI-12 Serial Interface Wiring

Details wiring for the SDI-12 serial interface.

RS-485 Serial Interface Wiring

Details wiring for the RS-485 serial interface.

ASCII Polled Communication

Configuration for ASCII polled communication.

NMEA 0183 Query Commands

Using ASCII commands for NMEA 0183 queries.

SDI-12 Protocol

SDI-12 Electrical Interface

Explains the electrical interface and cabling for SDI-12.

SDI-12 Communications Protocol

Describes the communication sequence and commands in SDI-12.

SDI-12 Timing

Details timing diagrams and tolerances for SDI-12 commands.

CRC-16 Computation

Encoding CRC as ASCII Characters

Explains how to encode CRC into ASCII characters.

NMEA 0183 Checksum Computation

Describes NMEA 0183 checksum calculation.

Wind Measurement Averaging Method

Wind Measurement Averaging Method

Illustrates wind measurement averaging with different protocols and intervals.

Factory Configurations

General Unit Settings

Shows read-only settings for general unit configuration.

Wind Configuration Settings

Shows read-only settings for wind configuration.

Supervisor Settings

Shows read-only settings for supervisor parameters.

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