Vaisala WMT52 Manuel d'utilisateur télécharger pdf (Page 19)

Chapter 2 __________________________________________________________ Product Overview

VAISALA_______________________________________________________________________ 17

Ultrasonic Wind Sensor WMT52 Components

0803-041

Figure 2 WMT52 Components

The following numbers refer to Figure 2 on page 17:

1 = Top assembly

2 = Silicon gasket

3 = Spacers

4 = Bottom assembly

5 = Allen screws

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 142 143

USER'S GUIDE 1
Table of Contents 3
CHAPTER 5 4
CHAPTER 6 4
CHAPTER 7 4
CHAPTER 8 5
CHAPTER 9 5
CHAPTER 10 5
CHAPTER 11 5
APPENDIX A 6
APPENDIX B 6
APPENDIX C 6
APPENDIX D 6
APPENDIX E 6
List of Figures 7
List of Tables 9
GENERAL INFORMATION 11
General Safety Considerations 12
Feedback 13
ESD Protection 13
Recycling 13
Trademarks 14
License Agreement 14
Regulatory Compliance 14
Warranty 15
PRODUCT OVERVIEW 17
Heating Function 18
0803-041 19
0803-029 20
0804-007 22
FUNCTIONAL DESCRIPTION 25
0.5 L 1 t 26
Heating (Optional) 27
INSTALLATION 29
Selecting the Location 30
0806-005 31
0803-043 33
0803-044 35
0803-042 35
Marine Grounding Jumper 37
Aligning the WMT52 38
Wind Direction Offset 39
WIRING AND POWER MANAGEMENT 41
Heating Voltage 42
External Wiring 44
Internal Wiring 45
0803-035 46
Data Communication Interfaces 48
Power Management 49
CONNECTION OPTIONS 53
Connection cables 54
Service Cable Connection 56
Connector or Screw Terminal 57
Checking the Current 58
Communication Settings (aXU) 58
Changing the Communication 61
Settings (aXU) 61
GETTING THE DATA MESSAGES 63
General Commands 64
Reset (aXZ) 64
Measurement Reset (aXZM) 65
ASCII Protocol 66
Abbreviations and Units 66
Device Address (?) 66
Wind Data Message (aR1) 68
Supervisor Data Message (aR5) 69
Combined Data Message (aR) 70
Composite Data Message Query 70
Polling with CRC 71
Automatic Mode 72
Automatic Composite Data 73
Message (aR0) 73
SDI-12 Protocol 73
Address Query Command (?) 74
Change Address Command (aAb) 75
CRC (aMC) 78
CRC (aCC) 79
Send Data Command (aD) 80
Examples of aM, aC and aD 81
Commands 81
Continuous Measurement (aR) 82
NMEA 0183 V3.0 Protocol 84
MWV Wind Speed and Direction 85
XDR Transducer Measurement 87
B = 11, a = 36, b = 37 etc.) 88
TXT Text Transmission 93
SENSOR AND DATA MESSAGE 97
SETTINGS 97
Wind Direction 100
Changing the Settings (aWU) 101
Supervisor Message 103
Checking the Settings (aSU) 103
Setting Fields 104
Changing the Settings (aSU) 105
Composite Data Message (aR0) 106
MAINTENANCE 109
Vaisala Service Centers 110
TROUBLESHOOTING 111
Self-Diagnostics 113
Error Messaging/Text Messages 113
Wind Sensor Heating Control 115
Operating Voltage Control 115
Technical Support 115
TECHNICAL SPECIFICATIONS 117
Table 13 Inputs and Outputs 118
Table 14 Operating Conditions 118
Table 16 Materials 119
Table 17 General 119
Options and Accessories 120
Dimensions 121
0505-211 122
Communication Protocol 124
RS-485 Serial Interface 124
ASCII, Polled 125
NMEA 0183 v3.0, Query 126
Query Commands 128
SDI-12 PROTOCOL 131
SDI-12 Timing 133
CRC-16 COMPUTATION 135
WIND MEASUREMENT AVERAGING 137
0710-044 138
General Unit Settings 140
Wind Configuration Settings 140
Supervisor Settings 141
*M210925EN* 143

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Vaisala WMT52 Manuel d'utilisateur Page 19

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