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Manuals and User Guides for Vaisala PWD22. We have
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Vaisala PWD22 manuals available for free PDF download: User Manual
Vaisala PWD22 User Manual (125 pages)
Present Weather Detector
Brand:
Vaisala
| Category:
Weather Station
| Size: 1.07 MB
Table of Contents
Table of Contents
3
Chapter 1 General Information
9
About this Manual
9
Contents of this Manual
9
Version Information
10
Related Manuals
10
Feedback
10
Table 1 Manual Revisions
10
Table 2 Related Manuals
10
Safety
11
General Safety Considerations
11
Product Related Safety Precautions
11
ESD Protection
13
Trademarks
13
License Agreement
13
Warranty
13
Chapter 2 Product Overview
15
Introduction to Vaisala Present Weather Detector PWD22
15
Table 3 Model and Performance Table
15
Appendix C
16
Figure 1 PWD22 Present Weather Detector
16
Power Supply
17
PWC22 Controller/Receiver
17
Temperature Sensor (TS)
17
Vaisala RAINCAP ® Rain Sensor
17
Hardware Structure
16
Sensing Element in PWD22
16
PWT11 Transmitter
16
Operating Principle
17
Figure 2 PWD22 Block Diagram
18
Using PWD22
19
Product Nomenclature
20
Table 4 Vaisala Present Weather Detector PWD22 Nomenclature
20
Table 5 Nomenclature for Options of the Vaisala Present Weather Detector PWD Family
20
Chapter 3 Functional Description
21
Optical Measurements
22
Optical Arrangement
22
Transmitter Unit PWT11
22
Figure 3 PWD22 Optical System
22
Light Receiver
23
Additional Measurements
23
Vaisala RAINCAP ® Rain Sensor
23
Background Luminance Sensor PWL111 (Optional)
24
Figure 4 RAINCAP Block Diagram
24
BLCAL Command
25
BLSC Command
25
Continuous Mode
25
Day/Night Switch Mode
25
Disabling PWL111
25
Temperature Sensor
26
RAINCAP Signal Processing
26
Figure 5 PWL111 Block Diagram
26
Algorithm Description
27
Visibility
27
Detecting Precipitation
27
Figure 6 RAINCAP Surface Signal (Heavy Rain Beginning)
27
Precipitation Intensity
28
Precipitation Accumulation
29
Present Weather
29
Precipitation Types
29
Figure 7 Principle for Determining Precipitation Type
30
Liquid Precipitation
30
Frozen Precipitation
31
Mixed Precipitation
31
Precipitation Type Unknown
31
Fog Codes
32
Table 6 WMO SYNOP Code Limits
32
Visibility Types
32
Table 7 WMO METAR Code Limits
33
Weather Classes
33
Weather Code Selection
33
Applications
34
Internal Monitoring
34
Built-In Tests
34
Memory Tests
35
Figure 8 LED Indicators on the PWC22 Board
35
Signal Monitoring
36
Hardware Monitoring
36
Monitoring Contamination
36
Chapter 4 Installation
39
Selecting Location
39
Figure 9 Recommended Location of PWD22. Alternative Ways to Mount the Sensor (a or B)
40
Grounding and Lightning Protection
41
Equipment Grounding
41
Internal Grounding of PWD22
41
Grounding the Remote Units and the Communication Cable39
41
Installation Procedure
42
Unpacking Instructions
42
Storage
42
Unpacking Procedure
42
Initial Settings
43
Table 8 Default Communication Settings
43
Table 9 Commands for Changing Default Settings
43
Table 10 Commands for Displaying and Changing Parameters
44
Weather Parameters
44
Mounting
45
Figure 10 Location of Jumpers and Connectors on the PWC22
45
Processor/Receiver Board
45
Figure 11 Installing PWD22 to the Support Arm
45
Figure 12 Installing the Subassembly to the Mast with the Vaisala Clamp Assembly
46
Figure 13 Testing the Connector
46
Verification
47
Connections
47
Connecting Cables
47
Basic Wiring
48
Table 11 Receptable Connector Default Wiring
48
Figure 14 Cabling Principle
49
Table 12 PT-100 Sensor Cable Wiring
49
Supplying Power to PWD22
50
Figure 15 Maintenance Cable
50
Internal Heaters with PWL111 (Optional)
50
Internal Heaters Without PWL111 (Default)
50
Hood Heaters PWH111
51
Communication Options
51
Serial Communication Settings
51
Serial Transmission RS-232
51
Connection of the Maintenance Terminal
52
Serial Multipoint Transmission RS-485
52
Relay Controls
52
Table 13 Control Logic of Relay Controls 1 and 2
53
Table 14 Control Logic of Relay Control 1, 2, and 3
53
Figure 16 Relay Connection: PWD22 Supplies
54
Figure 17 Relay Connection: External Relay Supply
55
RELAY Command
55
Chapter 5 Operation
57
Getting Started
57
Operating Instructions
57
Entering and Exiting the Command Mode
58
Open
58
Table 15 Initial Settings and Corresponding Commands
58
Table 16 Commands for Routine Maintenance Operations
58
Close
59
Message Types
59
Figure 18 Illustration of Contents of Messages 0, 1, and 2
60
Message 0
60
Message 1
61
Message 2
62
Message 3
62
Message 4
62
Messages 5 and 6
62
Message 7
63
Automatic Message Sending
64
Message Polling
64
Precipitation Sums
66
List of Commands
67
PWD22 Command Set
67
Help
67
Table 17 Command Set
67
Ames
68
Mes
68
Weather Related Commands
69
Wpar
70
Wset
70
Clrs
72
System Configuration Commands
72
Conf
73
Par
73
Baud
78
Hood Heaters
78
Analog Output
78
Figure 19 Analog Current Output Connection
79
Analog Output Modes
80
Figure 20 Analog Current Output Connection (External Current Source)
80
Mode 0
80
Mode 1
81
Mode 2
81
Analog Output Calibration
82
Mode 3
82
Mode 4
82
Maintenance Commands
84
Sta
84
Table 18 Hardware Error Texts
85
Table 19 Warnings
85
Cal
86
Clean
86
Chec
87
Zero
87
Dry on
88
DRY on and WET
88
Wet
88
Heat
89
Other Commands
89
Time
89
Date
90
Reset
90
Ver
90
Chapter 6 Maintenance
91
Periodic Maintenance
91
Cleaning
92
Cleaning Lenses and Hoods
92
Cleaning RAINCAP
93
Calibration
93
Visibility Calibration
94
Calibration Check Procedure
94
Calibration Procedure
95
Figure 21 Assembling the Opaque Glass Plates
95
Removing and Replacing
96
Removing and Replacing the Optical Units
96
Figure 22 Removing PWT11
97
Removing PWT11
97
Figure 23 Opening Box Screws (1)
98
Removing PWC22
98
Figure 24 Removing the PWC22 Board
99
Replacing RAINCAP
99
Figure 25 Removing the Rain Sensor
100
Chapter 7 Troubleshooting
101
Common Problems
101
Message Indicating Warning or Alarm
101
Message Missing
102
Message Exists but Visibility Value Does Not
103
Visibility Value Is Continuously too Good
103
Visibility Constantly too Low
104
PWD22 Reports Precipitation When There Is None
104
PWD22 Reports Frozen Precipitation During Rain
105
PWD22 Electrical Troubleshooting
105
Technical Support
106
Return Instructions
107
Chapter 8 Technical Data
109
Specifications
109
Mechanical Specifications
109
Table 20 PWD22 Specifications
109
Electrical Specifications
110
Optical Specifications
110
Table 21 PWD22 Electrical Specifications
110
Table 22 Optical Specifications of the Light Transmitter
110
Visibility Measurement Specifications
111
Weather Sensing Specifications
111
Table 23 Optical Specifications of the Light Receiver
111
Table 24 Visibility Measurement Specifications
111
Table 25 Weather Sensing Specifications
111
Environmental Specifications
112
Table 26 Environmental Specifications
112
Appendix A
113
Table 27 Values from STA Message for Internal Monitoring
113
Values for Internal Monitoring
113
Appendix B Pwc22 Connectors and Jumper Settings
117
Pwc22 Connectors and Jumper Settings
117
Table 28 Internal Weather Types and Supported NWS Codes
119
Table 29 WMO SYNOP Codes
120
Table 30 WMO METAR Codes (Table 4678) Used by PWD22
121
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Vaisala PWD22 User Manual (118 pages)
Vaisala Present Weather Detector
Brand:
Vaisala
| Category:
Security Sensors
| Size: 2.25 MB
Table of Contents
Table of Contents
3
Chapter 1 General Information
11
About this Manual
11
Contents of this Manual
11
Version Information
12
Related Manuals
12
Documentation Conventions
12
Table 1 Manual Revisions
12
Table 2 Related Manuals
12
Safety
13
ESD Protection
15
Recycling
15
Regulatory Compliances
16
Trademarks
16
License Agreement
16
Warranty
16
Chapter 2 Product Overview
17
Introduction to Vaisala Present Weather Detector PWD22/52
17
Table 3 PWD Sensor Series Model and Performance Table
17
Hardware Structure
18
Using PWD22/52
18
Figure 1 PWD22/52 Present Weather Detector
18
Product Nomenclature
19
Table 4 Vaisala Present Weather Detector
19
Table 5 Nomenclature for Options of the Vaisala Present Weather Detector PWD Family
19
Chapter 3 Functional Description
21
Figure 2 PWD22/52 Block Diagram
22
Optical Measurements
23
Optical Arrangement
23
Transmitter Unit PWT11
23
Figure 3 PWD22/52 Optical System
23
Light Receiver
24
Additional Measurements
24
Vaisala RAINCAP ® Rain Sensor
24
Background Luminance Sensor PWL111 (Optional)
25
Figure 4 RAINCAP ® Block Diagram
25
BLCAL Command
26
BLSC Command
26
Continuous Mode
26
Day/Night Switch Mode
26
Disabling PWL111
26
Temperature Sensor
27
Applications
27
Figure 5 PWL111 Block Diagram
27
Internal Monitoring
28
Built-In Tests
28
Figure 6 LED Indicators on the PWC22/52 Board
28
Memory Tests
29
Signal Monitoring
29
Hardware Monitoring
29
Monitoring Contamination
30
Chapter 4 Installation
31
Selecting Location
31
Figure 7 Recommended Location of PWD22/52 Sensor
32
Grounding and Lightning Protection
33
Equipment Grounding
33
Internal Grounding of PWD22/52
33
Grounding the Remote Units and the Communication Cable
33
Installation Procedure
34
Unpacking Instructions
34
Storage
34
Unpacking Procedure
34
Mounting
35
Figure 8 Installing PWD22/52 to the Support Arm
35
Figure 9 Installing the Subassembly to the Mast with the Vaisala
35
Connections
36
Connecting Cables
36
Figure 10 Testing the Connector
36
Basic Wiring
37
Table 6 Receptable Connector Default Wiring
37
Figure 11 Cabling Principle
38
Figure 12 Maintenance Cable
38
Supplying Power to PWD22/52
39
Figure 13 PWL111 Jumper Settings
39
Internal Heaters and Heaters for PWL111 Option
39
PWH111 Hood Heaters
40
Communication Options
40
Serial Communication Settings
40
Serial Transmission RS-232
40
Connection of the Maintenance Terminal
41
Serial Multipoint Transmission RS-485
41
Relay Controls
42
Table 7 Control Logic of Relay Controls 1 and 2
42
Figure 14 Relay Connection: PWD22/52 Supplies
43
Table 8 Control Logic of Relay Controls 1, 2, and 3
43
Figure 15 Relay Connection: External Relay Supply
44
RELAY Command
45
Initial Settings
45
Table 9 Default Communication Settings
45
Table 10 Commands for Changing Default Settings
46
Table 11 Commands for Displaying and Changing Parameters
46
Weather Parameters
46
Verification
47
Chapter 5 Operation
49
Getting Started
49
Operating Instructions
50
Table 12 Initial Settings and Corresponding Commands
50
Table 13 Commands for Routine Maintenance Operations
50
Entering and Exiting the Command Mode
51
Close
51
Open
51
Figure 16 Illustration of Contents of Messages 0, 1, and 2
52
Message 0
53
Message 1
53
Message 2
54
Message 3
54
Message 4
54
Message 7
55
Messages 5 and 6
55
Message Types
52
Automatic Message Sending
56
Message Polling
57
Precipitation Sums
59
List of Commands
59
PWD22/52 Command Set
59
Help
59
Table 14 Command Set
59
Ames
60
Mes
60
Weather Related Commands
61
Wpar
61
Wset
61
Clrs
63
System Configuration Commands
64
Conf
64
Par
64
Baud
69
Hood Heaters
69
Analog Output
69
Figure 17 Analog Current Output Connection
70
Analog Output Modes
71
Figure 18 Analog Current Output Connection
71
Mode 0
71
Mode 1
72
Mode 2
72
Analog Output Calibration
73
Mode 3
73
Mode 4
73
Maintenance Commands
75
Sta
75
Cal
76
Table 15 Hardware Error Texts
76
Table 16 Warnings
76
Clean
77
Zero
77
Chec
78
Dry on
78
DRY on and WET
78
Heat
79
Wet
79
Other Commands
80
Date
80
Time
80
Reset
81
Ver
81
Chapter 6 Maintenance
83
Periodic Maintenance
83
Cleaning
84
Cleaning Lenses and Hoods
84
Cleaning RAINCAP
85
Calibration
85
Visibility Calibration
85
Calibration Check Procedure
86
Calibration Procedure
87
Figure 19 Assembling the Opaque Glass Plates
87
Removing and Replacing
88
Removing and Replacing the Optical Units
88
Figure 20 Removing PWT11
89
Removing PWT11
89
Figure 21 Opening Box Screws (1)
90
Removing PWC22/52
90
Figure 22 Removing the PWC15PB Protection Board
91
Figure 23 Removing the PWC22/52 Board
92
Figure 24 Removing the Rain Sensor
93
Replacing RAINCAP
93
Chapter 7 Troubleshooting
95
Common Problems
95
Message Indicating Warning or Alarm
95
Message Missing
95
Message Exists but Visibility Value Does Not
96
Visibility Value Is Continuously too Good
97
Visibility Constantly too Low
97
PWD22/52 Reports Precipitation When There Is None
98
PWD22/52 Reports Frozen Precipitation During Rain
98
PWD22/52 Electrical Troubleshooting
99
Technical Support
100
Product Returns
100
Chapter 8 Technical Data
101
Specifications
101
Mechanical Specifications
101
Table 17 PWD22/52 Specifications
101
Electrical Specifications
102
Optical Specifications
102
Table 18 PWD22/52 Electrical Specifications
102
Table 19 Optical Specifications of the Light Transmitter
102
Visibility Measurement Specifications
103
Weather Sensing Specifications
103
Table 20 Optical Specifications of the Light Receiver
103
Table 21 Visibility Measurement Specifications
103
Table 22 Weather Sensing Specifications
103
Environmental Specifications
104
Table 23 Environmental Specifications
104
Appendix A
105
Table 24 Values from STA Message for Internal Monitoring
105
Values for Internal Monitoring
105
Appendix B
109
Pwc22/52 Connectors and Jumper Settings
109
Figure 25 Location of Jumpers and Connectors on the PWC22/52 Processor/Receiver Board
111
Appendix Cnws and Wmo Code Tables
113
Table 25 Internal Weather Types and Supported NWS Codes
113
Table 26 WMO SYNOP Codes (Table 4680, W ) Used by PWD22/52
113
Table 27 WMO METAR Codes (Table 4678) Used by PWD22/52
114
Index
115
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