Vaisala FD12P Manuals

Manuals and User Guides for Vaisala FD12P. We have 1 Vaisala FD12P manual available for free PDF download: User Manual

Vaisala FD12P User Manual

Vaisala FD12P User Manual (154 pages)

Weather Sensor

Brand: Vaisala | Category: Accessories | Size: 1.69 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
- Safety
  12
  - General Safety Considerations
    12
  - Table 1 Manual Revisions
    12
  - Table 2 Related Manuals
    12
  - Product Related Safety Precautions
    13
    
    Ground the Equipment
    13
    
    Safety Summary
    13
    
    Radio Frequency Interference Statement (USA)
    15
  - ESD Protection
    15
- Trademarks
  16
- Warranty
  16
Chapter 2 Product Overview

17
- Introduction
  17
  - Hardware Structure
    17
    
    Figure 1 FD12P Weather Sensor Site
    18
    
    Figure 2 DRD12 Rain Detector and DTS14B Temperature Sensor
    19
    
    Sensing Elements
    19
    
    Electronics Enclosure
    20
    
    Structural Elements
    20
  - Operating Principle
    21
  - Figure 3 FD12P Block Diagram
    21
  - Using FD12P
    22
- Equipment Nomenclature
  23
- Table 3 Basic Set
  23
- Table 4 Options
  23
- Specifications
  24
  - Mechanical Specifications
    24
  - Electrical Specifications
    24
  - Optical Specifications
    25
- Capabilities and Limitations
  26
Chapter 3 Installation

29
Chapter 4 Operation

59
- Introduction
  59
- User Commands in Normal Operation
  59
- Table 13 Settings and Corresponding Commands
  60
- Table 14 Routine Command for Maintenance
  60
- Table 15 Status Report Command
  60
- Markings Used in this Manual
  61
- Entering/Exiting the Command Mode
  61
  - OPEN Command
    61
  - CLOSE Command
    62
  - Automatic Message Sending
    62
    
    Message Types
    63
    
    Message 0
    64
    
    Message 1
    64
    
    Message 2
    65
    
    Message 3
    65
    
    Message 4
    66
    
    Messages 5 and 6
    66
    
    Table 16 Transmitter Status Correspondence between MITRAS and FD12P
    67
    
    Message 7
    68
  - Message Polling
    69
  - FD12P Command Set
    70
    
    HELP Command
    70
    
    Table 17 Receiver Status Correspondence between MITRAS and FD12P67 Table 18 HELP Command Sets
    70
  - MES Command
    71
    
    AMES Command
    71
    
    AMES Message_Number Message_Interval
    72
    
    Message_Interval
    72
    
    Message_Number
    72
    
    The Valid Range Is 0
    72
  - Weather Related Commands
    73
    
    Table 19 Commands for Displaying or Setting Weather Analysis Parameters
    73
    
    WPAR Command
    73
    
    WSET Command
    73
    
    Haze Limit
    74
    
    Precipitation Limit
    74
    
    Weather Update Delay
    74
    
    Drizzle Limit
    75
    
    Heavy Rain Limit
    75
    
    Light Rain Limit
    75
    
    Rain Intensity Scale
    75
    
    Violent Rain Limit
    75
    
    Heavy Drizzle Limit
    76
    
    Heavy Snow Limit
    76
    
    Light Drizzle Limit
    76
    
    Light Snow Limit
    76
    
    Snow Limit
    76
    
    DRD Scale
    77
    
    Hail Limit
    77
    
    Ice Crystals Limit
    77
    
    PRW Command
    77
    
    Snow Grains Limit
    77
    
    Snow Pellets Limit
    77
    
    Warm Limit
    77
    
    CLRS Command
    78
    
    WHIS Command
    78
  - System Configuration Commands
    79
    
    PAR Command
    79
- Vaisala
  79
  - Table 20 Commands for Displaying System Parameters and Editing the Current System Configuration
    79
  - CONF Command
    80
  - BAUD Command
    84
  - BLSC Command
    84
  - Maintenance Commands
    85
    
    STA Command
    85
    
    Table 21 Maintenance Commands
    85
    
    Selected in the Configuration
    86
    
    Table 22 Hardware Error Texts
    86
    
    Table 23 Hardware Warning Texts
    86
    
    CAL Command
    87
    
    TCAL Command
    87
    
    CLEAN Command
    88
    
    CHEC Command
    89
    
    DRY and WET Commands
    89
    
    FREQ Command
    89
    
    AN Command
    90
    
    Analog Output Calibration
    91
    
    Analog Output Commands
    91
    
    Data Scaling
    92
    
    Hardware Check
    92
    
    DATE Command
    93
    
    Other Commands
    93
    
    TIME Command
    93
    
    RESET Command
    94
Chapter 5 Functional Description

95
- General
  95
- Optical Measurement
  96
  - Optical Arrangement
    96
  - FDT12B Transmitter Unit
    96
  - Figure 21 FD12P Optical System
    96
  - Figure 22 FDT12B Transmitter Block Diagram
    97
  - FDR12 Receiver Unit
    98
  - Figure 23 FDR12 Receiver Block Diagram
    98
  - Additional Measurements
    99
    
    DRI21 Interface Board
    99
    
    General
    99
    
    DRD12 Rain Detector
    100
    
    Figure 24 DRI21 Block Diagram in the FD12P Application
    100
    
    DTS14B Temperature Sensor
    101
  - FDP12 Control Unit
    101
  - Figure 25 DRD12 Block Diagram
    101
  - Vaisala
    101
  - Figure 26 FDP12 Control Unit Block Diagram
    102
  - Measurement Signal Processing
    103
    
    Figure 27 Optical Raw Data (in Rain)
    103
    
    Optical Signal Processing
    103
    
    DRD12 Signal Processing
    104
    
    Figure 28 Optical Signal Amplitude Distribution (in Rain)
    104
    
    Figure 29 DRD12 Surface Signal (Heavy Rain Beginning)
    104
  - Algorithm Description
    105
    
    Visibility
    105
    
    Detecting Precipitation
    106
    
    Precipitation Intensity
    106
    
    Precipitation Accumulation
    107
    
    Precipitation Types
    108
    
    Present Weather
    108
    
    Figure 30 Precipitation Type Determination Principle
    109
    
    Liquid Precipitation
    109
    
    Frozen Precipitation
    110
    
    Fog
    111
    
    Mixed Precipitation
    111
    
    Unknown Precipitation
    111
    
    Visibility Types
    111
    
    Haze and Mist
    112
    
    Weather Classes
    112
    
    Weather Code Selection
    113
  - Applications
    113
  - Internal Monitoring
    114
    
    Built-In Tests
    114
    
    Hardware Monitoring
    115
    
    Memory Tests
    115
    
    Signal Monitoring
    115
    
    Contamination Monitoring
    116
Chapter 6 Maintenance

117
- General
  117
- Cleaning
  118
Chapter 7 Troubleshooting

133
- Warnings
  133
- Troubleshooting Examples
  133
- Values for Internal Monitoring
  137
- Table 29 Values for Internal Monitoring
  138
- Getting Help
  140
- Return Instructions
  140
Appendix A Nws and Wmo Codes Used in Fd12P

143
Appendix B Jumper Settings and Internal Wiring

147
- Figure 36 Basic Electronics Enclosure Wiring
  148
- CPU Board
  149
- DC-Regulator
  149
- DRI21 Interface Board
  149
- Table 35 CPU Board Jumpers
  149
- Table 36 CPU Board Connectors
  149
- Table 37 DC-Regulator Connectors
  149
- Table 38 DRI21 Interface Board Jumpers
  149
- Table 39 DRI21 Interface Board Connectors
  150
- Table 40 Electronics Enclosure/Transducer Cable Signals
  150
Appendix C

151
- Transmitter and Receiver Test Points
  151
- Figure 37 Test Points, Transmitter
  151
- Table 41 Transmitter Test Points
  151
- Figure 38 Test Points, Receiver
  152
- Table 42 Receiver Test Points
  152
- Index
  153

Advertisement

Advertisement

Related Products

Vaisala Categories

Transmitter Measuring Instruments Accessories Test Equipment Weather Station

More Vaisala Manuals