Vaisala WXT536 Weather Transmitter Manuals

Manuals and User Guides for Vaisala WXT536 Weather Transmitter. We have 3 Vaisala WXT536 Weather Transmitter manuals available for free PDF download: User Manual

Vaisala WXT536 User Manual (228 pages)

Weather Transmitter

Brand: Vaisala | Category: Transmitter | Size: 3 MB

Table of Contents
3
List of Tables
10
About this Document
13
Version Information
13
Related Manuals
13
Table Document Versions (English)
13
Table 2 Related Manuals
13
Documentation Conventions
14
Trademarks
14
Product Overview
15
WXT530 Series Weather Transmitters
15
Table 3 WXT530 Series Features
16
Table 4 Available Options
16
Wxt536
17
Table 5 WXT536 Measurements
17
WXT535 and WXT534
18
WXT533 and WXT532
18
Figure 2 WXT535 and WXT534
18
Table 6 WXT534 and WXT535 Measurements
18
Table 7 WXT533 and WXT532 Measurements
18
Wxt531
19
Figure 3 WXT533 and WXT532
19
Figure 4 WXT531
19
Table 8 WXT531 Measurements
19
Components
20
Figure
20
Figure 5 WXT536 Components
20
Figure 6 Cut-Away View of WXT536
21
Optional Features
22
Figure 7 Bottom of WXT536
22
USB Cables
23
Mounting Kit
24
Surge Protector
25
Bird Kit
26
Figure 8 WXT536 with Bird Kit
26
Vaisala Configuration Tool
27
Sensor Heating
27
Figure 9 Vaisala Configuration Tool
27
Backward Compatibility
28
ESD Protection
28
FCC Part 15 Compliance Statement
28
Functional Description
30
Wind Measurement Principle
30
Precipitation Measurement Principle
31
PTU Measurement Principle
32
Table 9 Precipitation Sensor Modes
32
Heating
33
Table 10 Heater Resistance
33
Analog Input Interface
34
Analog Output Interface
34
Figure 10 Analog Inputs for External Sensors
34
Installation
35
Installing WXT530
35
Maritime Installations
35
Placing WXT530
35
Unpacking WXT530
37
Figure 11 Package Contents
37
Mounting WXT530
39
Mounting WXT530 on Vertical Pole Mast Without Mounting Kit
39
Mounting WXT530 on Vertical Pole Mast with Mounting Kit
41
Mounting WXT530 on Sensor Support Arm
43
Grounding
45
Grounding with Bushing and Grounding Kit
45
Aligning WXT530
46
Figure 12 WXT530 North Arrow
47
Aligning WXT530 with Compass
48
Configuring Wind Direction Offset
48
Figure 13 Magnetic Declination
48
Installing Vaisala Configuration Tool
49
Installing USB Cable Driver
50
Power Management
53
Power Supplies
53
Figure 14 Average Operational Current Consumption (with 4 Hz Wind Sensor Sampling)
54
Figure 15 Heating Instant Current and Power Vs Vh (WXT536, WXT535, WXT533, and WXT532)
55
Figure 16 Heating Instant Current and Power Vs Vh (WXT531)
55
Power Management
56
Table 11 Standby Power Consumption
56
Figure 17 PTU Power Consumption in RS-232, RS-485, RS-422, and SDI-12 Continuous Modes
57
Figure 18 PTU Power Consumption in SDI-12 Native Mode
58
Table 12 Economic Power Management
58
Wiring with 8-Pin M12 Connector
59
External Wiring
59
Figure 19 Pins of 8-Pin M12 Connector
60
Table 13 Pinouts for WXT530 Series Serial Interfaces and Power Supplies
60
Table 14 Screw Terminal Pinouts
60
Table 15 WXT532 Ma Output Option Screw Terminal Pinouts
61
Internal Wiring
62
Table 16 RS-232 Wiring
62
Table 17 RS-485 Wiring
63
Table 18 SDI-12 Wiring
63
Table 19 RS-422 Wiring
64
Table 20 Ma Output Wiring
64
Wiring with Screw Terminals
65
Figure 20 Internal Wiring for RS-232, SDI-12, and RS-485
65
Figure 21 Screw Terminal Block
66
Table 21 Screw Terminal Pinouts for Serial Interfaces and Power Supplies
66
Data Communication Interfaces
68
Figure 22 Data Communication Interfaces
68
Figure 23 Termination Jumper Positions
69
Connection Options
70
Communication Protocols
70
Connection Cables
70
Table 22 Available Serial Communication Protocols
70
Connecting with Service Cable
71
Table 23 Connection Cable Options
71
Figure 24 Service Cable Connection
72
Connecting through M12 Bottom Connector or Screw Terminal
73
Communication Setting Commands
73
Checking Current Communication Settings (Axu)
73
Table 24 Default Serial Communication Settings for M12/Screw Terminal Connection
73
Settings Fields
74
Changing the Communication Settings (Axu)
76
Retrieving Data Messages
79
General Commands
79
Reset (Axz)
79
Precipitation Counter Reset (Axzru)
80
Precipitation Intensity Reset (Axzri)
81
Measurement Reset (Axzm)
82
ASCII Protocol
82
Abbreviations and Units
82
Table 25 Abbreviations and Units
82
Device Address (?)
84
Acknowledge Active Command (A)
84
Wind Data Message (Ar1)
85
Pressure, Temperature and Humidity Data Message (Ar2)
86
Precipitation Data Message (Ar3)
86
Supervisor Data Message (Ar5)
87
Combined Data Message (Ar)
88
Composite Data Message Query (Ar0)
88
Polling with CRC
89
Automatic Mode
90
Automatic Composite Data Message (Ar0)
91
Protocol
91
Address Query Command (?)
92
Acknowledge Active Command (A)
93
Change Address Command (Aab)
93
Send Identification Command (Ai)
94
Start Measurement Command (Am)
95
Start Measurement Command with CRC (Amc)
96
Start Concurrent Measurement (Ac)
96
Start Concurrent Measurement with CRC (Acc)
97
Send Data Command (Ad)
98
Examples of Am, Ac and Ad Commands
99
Continuous Measurement (Ar)
101
Continuous Measurement with CRC (Arc)
102
NMEA 0183 V3.0 Protocol
102
Device Address (?)
103
Acknowledge Active Command (A)
103
MWV Wind Speed and Direction Query
104
XDR Transducer Measurement Query
105
Table 26 Transducer Ids of Measurement Parameters
107
TXT Text Transmission
113
Table 27 Transducer Table
113
Automatic Mode
114
Automatic Composite Data Message (Ar0)
115
Sensor and Data Message Settings
116
Wind Sensor
116
Checking the Settings (Awu)
116
Setting Fields
117
Table 28 Wind Parameters Bits 1-8
117
Table 29 Wind Parameters Bits 9-16
118
Changing the Settings (Awu)
119
Pressure, Temperature, and Humidity Sensors
121
Checking the Settings (Atu)
121
Setting Fields
122
Table 30 PTU Parameters Bits 1-8
122
Table 31 PTU Parameters Bits 9-16
123
Changing the Settings (Atu)
124
Precipitation Sensor
125
Checking the Settings (Aru)
125
Setting Fields
126
Table 32 Precipitation Parameters Bits 1-8
126
Table 33 Precipitation Parameters Bits 9-16
127
Changing the Settings (Aru)
129
Supervisor Message
131
Checking the Settings (Asu)
131
Setting Fields
131
Table 34 Supervisor Parameters Bits 1-8
132
Table 35 Supervisor Parameters Bits 9-16
132
Changing the Settings (Asu)
133
Composite Data Message (Ar0)
134
Analog Input
135
Figure 25 Analog Input Connector Pins
135
Table 36 Analog Input Signals
135
Figure 26 Analog Input Settings in Vaisala Configuration Tool
136
Table 37 Analog Input Setting Definitions
136
Enabling and Disabling Analog Input
137
Common Sensor Settings (Aiu)
138
Aux Input Averaging Time [A]
138
Parameter Selection [R]
138
Table 38 Aiu Setting Fields [R]
138
Getting Data Messages
139
Aux Rain Sensor Settings [Aia]
139
Solar Radiation Sensor Settings [Aib]
140
Ultrasonic Level Sensor Settings [Ais]
140
Aux.temperature Sensor Settings [Aip]
141
Parameter Order for SDI-12 Mode
141
Analog Output
141
Analog Output Operation
141
Analog Output Scaling
142
Table 39 Analog Output Scaling
142
Analog Output Signal for Wind Speed Channel
143
Analog Output Signal for Wind Direction Channel
143
Enabling or Disabling Analog Output
144
Maintenance
145
Cleaning
145
Cleaning Radiation Shield
145
Replacing PTU Module
145
Table 40 WXT530 Maintenance
145
Troubleshooting
149
Table 41 Data Validation
149
Table 42 Communication Problems
150
Self-Diagnostics
151
Error Messaging/Text Messages
151
Table 43 Error Messaging/Text Messages
152
Rain and Wind Sensor Heating Control
153
Operating Voltage Control
153
Missing Readings and Error Indication
153
Technical Specifications
154
WXT530 Specifications
154
Table 44 Barometric Pressure Measurement Performance
154
Table 45 Air Temperature Measurement Performance
154
Table 46 Relative Humidity Measurement Performance
154
Table 47 Precipitation Measurement Performance
155
Table 48 Wind Measurement Performance
155
Table 49 Inputs and Outputs
156
Table 50 WXT536 Analog Input Options
157
Table 51 WXT530 Analog Ma Output Options
157
Table 52 Operating Environment
157
Table 53 Mechanical Specifications
158
Table 54 Compliance
158
Table 55 Electromagnetic Compatibility
159
Figure 27 WXT531 Dimensions
161
Figure 28 WXT533 and WXT532 Dimensions
162
Figure 29 WXT535 and WXT534 Dimensions
163
Figure 30 WXT536 Dimensions
164
Type Label
165
Figure 31 WXT530 Mounting Kit (212792) Dimensions
165
Options and Accessories
166
Figure 32 Type Label
166
Table 56 Options and Accessories
166
Appendix A. Networking
168
Connecting Several Transmitters on same Bus
168
Serial Interface
168
Wiring SDI-12
168
Communication Protocol
168
Serial Interface
169
RS-485 Serial Interface
169
Wiring
169
Communication Protocol
169
RS-485 Communication Protocol
169
ASCII, Polled
169
NMEA 0183 V 3.0 Query
170
NMEA 0183 V 3.0 Query with ASCII Query Commands
171
Appendix B. Modbus Protocol
173
Modbus RTU Protocol for WXT530
173
Table 57 WXT530 Default Modbus Settings
173
Register Maps
174
Table 58 Register Ranges
174
Holding Registers
175
Table 59 Holding Registers
175
Input Registers
176
Table 60 Device Status
176
Table 61 Commonly Used Unit System Independent Values
176
Table 62 Measurement Values in Metric Units (°C, M/S, MM, MM/H)
178
Table 63 Measurement Values in Imperial Units (°F, Mph, In, In/H)
179
Table 64 Other Measurement Values
180
Derived Parameters and Sampling
182
Table 65 Temperature
182
Table 66 Humidity
182
Table 67 Pressure
183
Table 68 Air Density
183
Table 69 Precipitation
183
Supported WXT536 Analog Inputs and Sampling
184
Wind Measurement Sampling
184
PTU Measurement Sampling
184
Table 70 External Analog Inputs
184
Table 71 Wind Measurement Sampling
184
Table 72 PTU Measurement
184
Diagnostics
185
Read Device Identification
185
Function Codes
185
Table 73 Read Device Identification
185
Modbus Configuration
186
Updating WXT530 Firmware
186
Table 74 Function Codes
186
Changing from CLI Mode to Modbus Mode
187
Changing from Modbus Mode to CLI Mode
187
Changing Port Settings
188
Changing Modbus Address in CLI Mode
189
Using Modbus with Old WXT530
189
Appendix C. External Sensors
190
Connecting Ultrasonic Level Sensor to WXT536
190
Table 75 Ultrasonic Level Connections
190
Connecting Pyranometer to WXT536
191
Figure 33 Ultrasonic Level Sensor Settings
191
Figure 34 Solar Radiation Sensor Setting in Configuration Tool
192
Table 76 Pyranometer Connections
192
Connecting Temperature Sensor to WXT536
193
Figure 35 Connecting Temperature Sensor to WXT536
193
Figure 36 Temperature Sensor Setting
194
Table 77 Wiring Temperature Sensor to WXT536
194
Connecting Rain Gauge to WXT536
195
Figure 37 Update Interval and Averaging Time Interval
195
Table 78 Rain Gauge Connections
195
Figure 38 Rain Sensor Setting
196
Appendix D. SDI-12 Protocol
197
Electrical Interface
197
SDI-12 Electrical Interface
197
Communications Protocol
197
SDI-12 Communications Protocol
197
Timing
197
SDI-12 Timing
197
Figure 39 Timing Diagram
198
Appendix E. CRC-16 Computation
199
Encoding CRC as ASCII Characters
199
NMEA 0183 V3.0 Checksum Computation
199
Appendix F. Wind Measurement Averaging Method
200
Figure 40 Wind Measurement Averaging Method
201
Appendix G. Factory Configurations
202
General Unit Settings
202
Wind Configuration Settings
202
Table 79 General Unit Settings
202
PTU Configuration Settings
203
Rain Configuration Settings
203
Table 80 Wind Configuration Settings
203
Table 81 PTU Configuration Settings
203
Supervisor Settings
204
Table 82 Rain Configuration Settings
204
Table 83 Supervisor Settings
204
Appendix H. Complete Set of Accessories
205
Figure 41 Complete Set of Accessories
205
Figure 42 WXT536 with Surge Protector WSP150
206
Figure 43 WXT536 with Surge Protector WSP152
207
Appendix I. Configuration Parameters
208
Table 84 General Parameters
208
Table 85 Pressure, Temperature and Humidity Parameters
210
Table 86 Wind Parameters
211
Table 87 Precipitation Parameters
212
Table 88 Auxiliary Sensor Parameters
213
Table 89 Analog Ma Output Parameters
215
Appendix J. DNV Certificate
217

Vaisala WXT536 User Manual (235 pages)

WXT530 Series, Weather Transmitter

Brand: Vaisala | Category: Transmitter | Size: 2 MB

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

Vaisala WXT536 User Manual (221 pages)

Weather Transmitter

Brand: Vaisala | Category: Transmitter | Size: 4 MB

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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Vaisala WXT536 Weather Transmitter Manuals

Vaisala WXT536 User Manual (228 pages)

Table of Contents

Vaisala WXT536 User Manual (235 pages)

Table of Contents

Chapter 1 General Information

About this Manual

ESD Protection

Recycling

Trademarks

License Agreement

Regulatory Compliance

Warranty

Chapter 2 Product Overview

WXT530 Series Weather Transmitters

Components

Optional Features

Chapter 3 Functional Description

Wind Measurement Principle

Precipitation Measurement Principle

PTU Measurement Principle

Heating

Analog Input Interface

Analog Output Interface

Chapter 4 Installation

Maritime Installations

Selecting the Location

Unpacking

Installing the Transmitter

Chapter 5 Wiring and Power Management

Power Supplies

Wiring with 8-Pin M12 Connector

Wiring Using Screw Terminals

Data Communication Interfaces

Power Management

Chapter 6 Connection Options

Communication Protocols

Connection Cables

Service Cable Connection

Communication Setting Commands

Chapter 7 Retrieving Data Messages

General Commands

ASCII Protocol

SDI-12 Protocol

NMEA 0183 V3.0 Protocol

Chapter 8 Sensor and Data Message Settings

Wind Sensor

Pressure, Temperature, and Humidity Sensors

Precipitation Sensor

Supervisor Message

Composite Data Message (Ar0)

Analog Input

Analog Output

Chapter 9 Maintenance

Cleaning

Replacing the PTU Module

Technical Support

Chapter 10 Troubleshooting

Self-Diagnostics

Chapter 11 Technical Specifications

Performance

Inputs and Outputs

General Conditions

General

Materials

Options and Accessories

Type Label

Dimensions (MM/Inch)

Appendix Anetworking

Connecting Several Transmitters on same Bus

SDI-12 Serial Interface

RS-485 Serial Interface

Appendix B Sdi-12 Protocol

SDI-12 Electrical Interface

Appendix C Crc-16 Computation

Encoding the CRC as ASCII Characters

NMEA 0183 V3.0 Checksum Computation

Appendix D

Wind Measurement Averaging Method

Appendix E Factory Configurations