Vaisala WXT531 Manuals

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Vaisala WXT531 User Manual

Vaisala WXT531 User Manual (235 pages)

WXT530 Series, Weather Transmitter

Brand: Vaisala | Category: Transmitter | Size: 2.76 MB

Table of Contents

Table of Contents
3
Chapter 1 General Information

13
- About this Manual
  
  13
  - General Safety Considerations
    13
- ESD Protection
  
  14
- Recycling
  
  15
- Trademarks
  
  15
- License Agreement
  
  15
- Regulatory Compliance
  
  15
- Warranty
  
  16
Chapter 2 Product Overview

17
- WXT530 Series Weather Transmitters
  
  17
  - Figure 1 Vaisala Weather Transmitter WXT530 Series
    17
  - Table 54 Table
    19
  - Wxt536
    20
  - Figure 3 WXT535 and WXT534
    21
  - WXT535 and WXT534
    21
  - Figure 4 WXT533 and WXT532
    22
  - Figure 5 WXT531
    22
  - Wxt531
    22
  - WXT533 and WXT532
    22
- Components
  
  23
- Optional Features
  
  26
  - USB Cables
    26
  - Figure 9 USB Cable
    26
  - Mounting Kit
    27
  - Figure 10 Mounting Kit
    27
  - Surge Protector
    28
  - Figure 11 Surge Protector
    28
  - Bird Spike Kit
    29
  - Figure 12 Bird Spike Kit
    29
  - Figure 13 WXT536 with Bird Spike Kit
    29
  - Vaisala Configuration Tool
    30
  - Sensor Heating
    30
Chapter 3 Functional Description

31
- Wind Measurement Principle
  
  31
- Precipitation Measurement Principle
  
  34
- PTU Measurement Principle
  
  36
- Heating
  
  36
- Analog Input Interface
  
  38
- Analog Output Interface
  
  38
  - Figure 2 WXT536
    38
Chapter 4 Installation

39
Chapter 5 Wiring and Power Management

55
Chapter 6 Connection Options

75
- Communication Protocols
  
  75
- Connection Cables
  
  76
  - Installing the USB Cable Driver
    77
- Service Cable Connection
  
  78
  - Figure 36 Service Cable Connection
    78
  - Terminal
    79
- Communication Setting Commands
  
  80
Chapter 7 Retrieving Data Messages

85
- General Commands
  
  86
- ASCII Protocol
  
  90
  - Abbreviations and Units
    90
  - Device Address (?)
    91
  - Acknowledge Active Command (A)
    92
  - Wind Data Message (Ar1)
    92
  - Pressure, Temperature and Humidity Data Message
    93
  - (Ar2)
    93
  - Precipitation Data Message (Ar3)
    94
  - Supervisor Data Message (Ar5)
    95
  - Combined Data Message (Ar)
    97
  - Composite Data Message Query (Ar0)
    97
  - Polling with CRC
    98
  - Automatic Mode
    100
  - Automatic Composite Data Message (Ar0)
    101
- SDI-12 Protocol
  
  102
  - Address Query Command (?)
    102
  - Acknowledge Active Command (A)
    103
  - Change Address Command (Aab)
    104
  - Send Identification Command (Ai)
    104
  - Start Measurement Command (Am)
    105
  - Start Measurement Command with CRC (Amc)
    107
  - Start Concurrent Measurement (Ac)
    107
  - Start Concurrent Measurement with CRC (Acc)
    109
  - Send Data Command (Ad)
    109
  - Examples of Am, Ac and Ad Commands
    110
  - Continuous Measurement (Ar)
    112
  - Continuous Measurement with CRC (Arc)
    114
- NMEA 0183 V3.0 Protocol
  
  115
  - Device Address (?)
    115
  - Acknowledge Active Command (A)
    116
  - MWV Wind Speed and Direction Query
    116
  - XDR Transducer Measurement Query
    118
  - Table 19 Transducer Ids of Measurement Parameters
    121
  - Table 20 Transducer Table
    126
  - TXT Text Transmission
    127
  - Automatic Mode
    128
  - Automatic Composite Data Message (Ar0)
    128
Chapter 8 Sensor and Data Message Settings

129
- Wind Sensor
  
  129
  - Checking the Settings (Awu)
    129
  - Setting Fields
    131
  - Changing the Settings (Awu)
    133
- Pressure, Temperature, and Humidity Sensors
  
  136
  - Checking the Settings (Atu)
    136
  - Setting Fields
    137
  - Changing the Settings (Atu)
    138
- Precipitation Sensor
  
  140
  - Checking the Settings (Aru)
    140
  - Setting Fields
    141
  - Changing the Settings (Aru)
    144
- Supervisor Message
  
  146
  - Checking the Settings (Asu)
    146
  - Setting Fields
    147
  - Changing the Settings (Asu)
    148
- Composite Data Message (Ar0)
  
  149
- Analog Input
  
  151
  - Figure 37 Analog Input Connector Pins
    151
  - Table 21 Analog Input Signals
    151
  - Figure 38 Analog Input Settings in Configuration Tool
    152
  - Common Sensor Settings (Aiu)
    154
    
    Update Interval [I]
    154
    
    Table 25 Awu Setting Fields [R]
    154
  - Enabling and Disabling Analog Input
    154
  - Aux Input Averaging Time [A]
    155
  - Parameter Selection [R]
    155
  - Aux.rain Sensor Settings [Aia]
    156
    
    Gain [G]
    156
    
    Reset Mode [M]
    157
    
    Limit [L]
    157
    
    Parameter Selection [Aiu,R = Bit 2 and Bit 10]
    157
  - Getting Data Messages
    156
  - Solar Radiation Sensor Settings [Aib]
    157
    
    Gain [G]
    157
    
    Parameter Selection [Aiu,R= Bit 3 and Bit 11]
    158
  - Aux Level Sensor Settings [Ais]
    158
    
    Gain [G]
    158
  - Aux.temperature Sensor Settings [Aip]
    158
    
    Averaging Time [A]
    158
    
    Parameter Selection [Aiu,R= (Bit 1 and Bit 9)]
    159
  - Parameter Order for SDI-12 Mode
    159
- Analog Output
  
  159
Chapter 9 Maintenance

165
- Cleaning
  
  165
- Replacing the PTU Module
  
  166
  - Figure 39 Replacing PTU Module
    166
- Technical Support
  
  167
Chapter 10 Troubleshooting

169
- Table 27 Communication Problems
  170
- Self-Diagnostics
  
  172
Chapter 11 Technical Specifications

175
- Performance
  
  175
  - Table 33 Wind
    177
- Inputs and Outputs
  
  178
- General Conditions
  
  179
  - Table 38 Electromagnetic Compatibility
    180
- General
  
  181
  - Table 39 Materials
    181
  - Table 40 General
    181
- Materials
  
  181
- Options and Accessories
  
  182
  - Table 41 Options and Accessories
    182
- Type Label
  
  183
  - Figure 40 Type Label
    183
- Dimensions (MM/Inch)
  
  184
Appendix Anetworking

189
- Connecting Several Transmitters on same Bus
  
  189
- SDI-12 Serial Interface
  
  189
  - Wiring
    189
  - Communication Protocol
    190
- RS-485 Serial Interface
  
  191
  - Wiring
    191
  - Communication Protocol
    191
  - ASCII, Polled
    191
  - NMEA 0183 V3.0, Query
    192
  - NMEA 0183 V3.0 Query with ASCII Query Commands
    194
Appendix B Sdi-12 Protocol

197
- SDI-12 Electrical Interface
  
  197
  - SDI-12 Communications Protocol
    198
  - SDI-12 Timing
    198
  - Figure 46 Timing Diagram
    199
Appendix C Crc-16 Computation

201
- Encoding the CRC as ASCII Characters
  
  202
- NMEA 0183 V3.0 Checksum Computation
  
  202
Appendix D

203
Wind Measurement Averaging Method

203
- Figure 47 Wind Measurement Averaging Method
  204
Appendix E Factory Configurations

205
- General Unit Settings
  
  206
- Wind Configuration Settings
  
  206
  - Table 42 General Unit Settings
    206
  - Table 43 Wind Configuration Settings
    206
- PTU Configuration Settings
  
  207
- Rain Configuration Settings
  
  207
- Supervisor Settings
  
  207
Appendix F Wiring External Sensors to Wxt536

209
- Figure 48 Connecting External Sensors to WXT536
  209
- Connecting Snow Depth Sensor to WXT536
  
  210
  - Figure 49 Connecting Snow Depth Sensor to WXT536
    210
  - Figure 50 Wiring Snow Depth Sensor to WXT536
    211
- Connecting Pyranometer to WXT536
  
  213
  - Figure 51 Connecting CMP3 to WXT536
    213
  - Figure 52 Peeling CMP3 Cable Sheath
    214
  - Figure 53 Wiring CMP3 to WXT53
    215
  - Table 47 Table
    216
- Connecting Rain Gauge to WXT536
  
  217
  - Figure 54 Wiring RG13 to WXT536
    217
  - Table 49 Table
    218
  - Figure 55 Complete Set of Accessories
    220
  - Figure 56 WXT536 with Surge Protector WSP150
    222
  - Figure 57 WXT536 with Surge Protector WSP152
    224
  - Table 52 Table
    227
  - Configuration Parameters
    227

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Vaisala WXT531 User Manual

Vaisala WXT531 User Manual (221 pages)

Weather Transmitter

Brand: Vaisala | Category: Transmitter | Size: 4.7 MB

Table of Contents

Table of Contents
2
1 About this Document

10
- Documentation Conventions
  10
- Trademarks
  10
- ESD Protection
  11
- Version Information
  11
  - Document Versions
    11
2 Product Overview

12
- WXT530 Series Weather Transmitters
  12
  - Table 2 Available Options
    13
  - Wxt536
    14
  - Figure 2 WXT536
    15
  - WXT535 and WXT534
    15
  - Figure 3 WXT535 and WXT534
    16
  - Figure 4 WXT533 and WXT532
    16
  - WXT533 and WXT532
    16
  - Figure 5 WXT531
    17
  - Wxt531
    17
- Components
  18
- Figure 6 WXT536 Components
  18
- Figure 7 Cut-Away View of WXT536
  19
- Optional Features
  20
  - Figure 8 Bottom of WXT536
    20
  - Figure 9 USB Cable
    21
  - USB Cables
    21
  - Figure 10 Mounting Kit
    22
  - Mounting Kit
    22
  - Figure 11 Surge Protector
    23
  - Surge Protector
    23
  - Bird Kit
    24
  - Figure 12 Bird Kit
    24
  - Figure 13 WXT536 with Bird Kit
    24
  - Figure 14 Vaisala Configuration Tool
    25
  - Sensor Heating
    25
  - Vaisala Configuration Tool
    25
- Backward Compatibility
  26
- Regulatory Compliances
  26
3 Functional Description

28
- Wind Measurement Principle
  28
- Precipitation Measurement Principle
  29
- PTU Measurement Principle
  30
- Heating
  31
- Table 3 Heater Resistance
  31
- Analog Input Interface
  32
- Analog Output Interface
  32
- Figure 15 Analog Inputs for External Sensors
  32
4 Installation

34
5 Wiring and Power Management

54
6 Connection Options

70
7 Retrieving Data Messages

78
- General Commands
  78
- ASCII Protocol
  82
- Protocol
  91
- NMEA 0183 V3.0 Protocol
  103
  - Device Address (?)
    103
  - Acknowledge Active Command (A)
    104
  - MWV Wind Speed and Direction Query
    105
  - XDR Transducer Measurement Query
    106
  - Table 19 Transducer Ids of Measurement Parameters
    108
  - TXT Text Transmission
    114
  - Table 20 Transducer Table
    114
  - Automatic Mode
    115
  - Automatic Composite Data Message (Ar0)
    116
8 Sensor and Data Message Settings

118
- Sensor Configuration and Data Message Formatting
  118
  - Wind Sensor
    118
  - Table 21 Wind Parameters Bits 1-8
    120
  - Table 22 Wind Parameters Bits 9-16
    120
  - Pressure, Temperature, and Humidity Sensors
    123
  - Table 23 PTU Parameters Bits 1-8
    125
  - Table 24 PTU Parameters Bits 9-16
    125
  - Precipitation Sensor
    128
  - Table 25 Precipitation Parameters Bits 1-8
    129
  - Table 26 Precipitation Parameters Bits 9-16
    130
  - Supervisor Message
    133
  - Table 27 Supervisor Parameters Bits 1-8
    134
  - Table 28 Supervisor Parameters Bits 9-16
    135
  - Composite Data Message (Ar0)
    136
  - Analog Input
    137
  - Figure 32 Analog Input Connector Pins
    138
  - Table 29 Analog Input Signals
    138
  - Figure 33 Analog Input Settings in Vaisala Configuration Tool
    139
  - Table 30 Analog Input Setting Definitions
    139
  - Table 31 Aiu Setting Fields [R]
    141
  - Analog Output
    144
  - Table 32 Analog Output Scaling
    145
  - Table 33 Awu Setting Fields [R]
    147
9 Maintenance

148
- Cleaning
  148
  - Cleaning the Radiation Shield
    148
- Replacing PTU Module
  148
10 Troubleshooting

152
- Table 34 Data Validation
  152
- Table 35 Communication Problems
  153
- Self-Diagnostics
  154
11 Technical Specifications

158
Appendix A: Networking

172
- Connecting Several Transmitters on same Bus
  172
- Serial Interface
  172
  - Wiring SDI-12
    172
  - Communication Protocol
    172
- Serial Interface
  173
  - Wiring
    173
  - Communication Protocol
    173
  - ASCII, Polled
    173
  - A.3 RS-485 Serial Interface
    173
  - NMEA 0183 V3.0, Query
    174
  - NMEA 0183 V3.0 Query with ASCII Query Commands
    176
Appendix B: SDI-12 Protocol

178
- Electrical Interface
  178
  - Communications Protocol
    178
  - Timing
    178
  - Figure 41 Timing Diagram
    179
Appendix C: CRC-16 Computation

180
- Encoding the CRC as ASCII Characters
  180
- NMEA 0183 V3.0 Checksum Computation
  181
Appendix D: Wind Measurement Averaging Method

182
- Figure 42 Wind Measurement Averaging Method
  183
Appendix E: Factory Configurations

184
- General Unit Settings
  184
- Wind Configuration Settings
  184
- Table 49 General Unit Settings
  184
- PTU Configuration Settings
  185
- Table 50 Wind Configuration Settings
  185
- Table 51 PTU Configuration Settings
  185
- Rain Configuration Settings
  186
- Supervisor Settings
  186
- Table 52 Rain Configuration Settings
  186
- Table 53 General Unit Settings
  186
Appendix F: Connecting External Sensors to WXT536

188
Appendix G: Complete Set of Accessories

200
Appendix H: Configuration Parameters

204
- Table 58 General Parameters
  204
- Table 59 Pressure, Temperature and Humidity Parameters
  206
- Table 60 Wind Parameters
  207
- Table 61 Precipitation Parameters
  208
- Table 62 Auxiliary Sensor Parameters
  209
- Table 63 Analog Ma Output Parameters
  210
- Index
  212
- Warranty
  218
- Recycling
  218
- Technical Support
  218

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