Vaisala WXT520 manuals

Vaisala WXT520 User's Guide (171 pages)

Brand: Vaisala | Category: Measuring, testing & control | Size: 3.24 MB |

English

Table of contents

USER'S GUIDE

1

Table of Contents

3

CHAPTER 8

5

CHAPTER 9

5

APPENDIX E

7

List of Figures

9

List of Tables

11

GENERAL INFORMATION

13

General Safety Considerations

14

Trademarks

16

License Agreement

16

Regulatory Compliance

16

Warranty

17

PRODUCT OVERVIEW

19

Heating Function

20

WXT520 Transmitter Components

21

0803-028

22

0505-193

24

0804-022

24

0806-001

26

0.5 L 1 t

28

PTU Measurement Principle

31

Heating (Optional)

31

0806-010

32

Selecting the Location

34

0712-009

35

0803-030

37

0803-032

39

Grounding the WXT520

40

Marine Grounding Jumper

41

0803-048

42

Wind Direction Offset

44

WIRING AND POWER MANAGEMENT

45

0805-023

46

External Wiring

48

Internal Wiring

49

0803-035

50

Data Communication Interfaces

52

Power Management

53

CONNECTION OPTIONS

57

Connection cables

58

Service Cable Connection

60

Connector or Screw Terminal

61

Checking the Current

62

Communication Settings (aXU)

62

Changing the Communication

65

Settings (aXU)

65

GETTING THE DATA MESSAGES

67

General Commands

68

Reset (aXZ)

68

Precipitation Counter Reset

69

Measurement Reset (aXZM)

71

ASCII Protocol

72

Abbreviations and Units

72

Device Address (?)

73

Wind Data Message (aR1)

74

Pressure, Temperature and

75

Humidity Data Message (aR2)

75

Supervisor Data Message (aR5)

77

Combined Data Message (aR)

78

Composite Data Message Query

78

Polling with CRC

79

SDI-12 Protocol

82

Address Query Command (?)

83

Change Address Command (aAb)

84

CRC (aMC)

87

CRC (aCC)

88

Send Data Command (aD)

89

Examples of aM, aC and aD

90

Commands

90

Continuous Measurement (aR)

92

NMEA 0183 V3.0 Protocol

95

MWV Wind Speed and Direction

96

XDR Transducer Measurement

98

TXT Text Transmission

106

Automatic Mode

108

Automatic Composite Data

108

Message (aR0)

108

SENSOR AND DATA MESSAGE

109

SETTINGS

109

Setting Fields

111

Changing the Settings (aWU)

113

Checking the Settings (aTU)

115

Changing the Settings (aTU)

117

Precipitation Sensor

119

Checking the Settings (aRU)

119

Changing the Settings (aRU)

123

Supervisor Message

125

Checking the Settings (aSU)

125

Changing the Settings (aSU)

127

Composite Data Message (aR0)

129

0R0<cr><lf>

130

MAINTENANCE

131

Replacing the PTU Module

132

Vaisala Service Centers

133

TROUBLESHOOTING

135

Self-Diagnostics

137

Error Messaging/Text Messages

137

Rain and Wind Sensor Heating

139

Operating Voltage Control

139

Technical Support

139

TECHNICAL SPECIFICATIONS

141

Tab le 14 Wi nd

142

Table 15 Relative Humidity

143

Table 16 Precipitation

143

Inputs and Outputs

144

Operating Conditions

145

Materials

146

Options and Accessories

147

Dimensions (mm/inch)

148

0805-013

149

0505-211

150

Communication Protocol

152

RS-485 Serial Interface

153

ASCII, Polled

153

NMEA 0183 v3.0, Query

154

Query Commands

156

SDI-12 PROTOCOL

159

SDI-12 Timing

161

CRC-16 COMPUTATION

163

WIND MEASUREMENT AVERAGING

165

0505-215

166

General Unit Settings

168

Wind Configuration Settings

168

PTU Configuration Settings

169

Rain Configuration Settings

169

Supervisor Settings

169

*M210906EN*

171

Vaisala WXT520 User Manual (22 pages)

Brand: Vaisala | Category: Measuring, testing & control | Size: 1.32 MB |

English

Table of contents

WXT520 Weather Transmitter

1

Warranty

3

Assistance

4

Table of Contents

5

Figures

6

5. Specifications

8

6. Installation

9

6.3 Bird Spike Kit

10

6.4 Wiring Table

11

6.5 Commands

12

6.6 Programming

12

6.6.2 Edlog Programming

15

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