Vaisala HMP240 SERIES Manuals

Manuals and User Guides for Vaisala HMP240 SERIES. We have 1 Vaisala HMP240 SERIES manual available for free PDF download: User Manual

Vaisala HMP240 SERIES User Manual

Vaisala HMP240 SERIES User Manual (130 pages)

Brand: Vaisala | Category: Transmitter | Size: 1.67 MB

Table of Contents

Table of Contents

3
- 1 Product Description
  
  7
- 2 Advantages of a Warmed Sensor Head
  
  9
- 3 Installation
  
  10
  - Selecting the Place of Installation
    10
  - Mounting
    11
    
    Mounting the HMP243
    11
    
    Mounting the HMP247
    13
  - Grounding
    15
  - Electrical Connections
    17
    
    Connection to a 24 VAC Supply
    18
- 4 Commissioning
  
  19
- 5 Commands
  
  26
  - Commands and Security Lock Jumper
    26
  - LED Commands
    27
  - Display/Keypad Commands
    28
    
    Display Mode
    28
    
    Command Mode
    28
    
    Entering Numbers
    28
    
    Analogue Output Commands
    29
    
    Selecting the Output (Ma/V)
    29
    
    Selecting and Scaling the Analogue Output Quantities
    30
    
    Output Via the Serial Bus
    31
    
    Turning the Serial Interface Echo ON/OFF
    31
    
    Serial Bus Settings
    31
    
    Setting the Transmitter Address
    32
    
    Selecting the Output Units
    33
    
    Selecting the Calculation Mode
    33
    
    Output Modes
    33
    
    Setting the Serial Interface Operation Mode
    34
    
    Others
    35
    
    Setting the Averaging Time
    35
    
    Setting the Pressure for Mixing Ratio and Wet Bulb
    35
    
    Calculations
    35
    
    Setting the Date
    36
    
    Setting the Time
    36
    
    Heat on / Heat off Command
    37
  - Serial Commands
    37
    
    Analogue Output Commands
    37
    
    Setting the Analogue Outputs
    37
    
    Selecting and Scaling the Analogue Output Quantities
    38
    
    Scaling the Analogue Outputs
    38
    
    Output Via the Serial Bus
    38
    
    Starting the Measurement Output
    38
    
    Stopping the Measurement Output
    38
    
    Outputting the Reading Once
    39
    
    Setting the Output Interval for the RUN Mode
    39
    
    Serial Bus Settings
    39
    
    Selecting the Output Units
    40
    
    Setting the Averaging Time
    40
    
    Setting the Transmitter Address
    41
    
    Setting the Calculation Mode
    41
    
    Resetting the Transmitter
    41
    
    Operating the Transmitter Via the Serial Bus
    42
    
    Setting the Serial Interface
    42
    
    Open & Close
    43
- 6 Calibration
  
  44
  - Humidity Calibration
    44
    
    One Point Humidity Calibration
    45
    
    With Serial Commands
    46
    
    With Display / Keypad Commands
    46
    
    With LED Commands
    47
    
    Two Point Humidity Calibration
    47
    
    With Serial Commands
    47
    
    With Display / Keypad Commands
    48
    
    With LED Commands
    49
    
    Humidity Calibration Procedure after Sensor Change
    50
    
    With Serial Commands
    50
    
    With Display / Keypad Commands
    50
    
    With LED Commands
    51
    
    Humidity Calibration Table
    52
  - Temperature Calibration
    52
    
    One Point Offset Calibration
    53
    
    With Serial Commands
    53
    
    With Display / Keypad Commands
    53
    
    With LED Commands
    53
    
    Two Point Temperature Calibration
    54
    
    With Serial Commands
    54
    
    With Display / Keypad Commands
    55
    
    With LED Commands
    55
  - Calibration of Analogue Outputs
    56
    
    With Serial Commands
    56
    
    With Display / Keypad Commands
    56
    
    With LED Commands
    57
- 7 Maintenance
  
  58
- 8 Technical Data
  
  64
  - Dewpoint Temperature
    64
  - Temperature (with Additional T Sensor Head)
    65
  - Calculated Variables
    65
    
    Relative Humidity (with Additional T Sensor Head)
    65
    
    Accuracy of Other Calculated Variables
    66
  - Outputs
    67
  - Electronics
    67
  - Mechanics
    68
  - Electromagnetic Compatibility
    69
- Spare Parts and Accessories
  
  70
Appendix 1: Serial Commands

71
Appendix 2: Installing and Using the Rs 485/422 Serial Port Module

93
- 1 Installation
  
  94
- Appendix 2: RS 485/422 Serial Port Module
  
  94
- 2 Operation
  
  95
- 3 Network Configuration
  
  97
  - Single Loop Operation
    97
  - Dual Loop Operation
    99
- 4 Checking the Serial Port Network Operation
  
  101
  - STOP Mode
    101
  - POLL Mode
    102
- 5 Specifications
  
  103
- Appendix 3: Installing and Using the Digital Current Loop Module
  
  104
- Appendix 4: Error Messages
  
  112
- Appendix 5: Calculation Formulas
  
  118
- Appendix 6: Hmp240 Wiring Diagram
  
  120
- Appendix 7: Re-Gaining
  
  121
  - General
    122
  - To be Noted in Re-Gaining
    123
  - Led Commands
    124
  - Display/Keypad Commands
    125
    
    Re-Gaining Parameters
    125
    
    Starting Re-Gaining Manually
    126
  - Serial Commands
    127
    
    REG Re-Gaining Settings
    127
    
    CR Re-Gaining Parameters
    127
    
    CRI Changing Re-Gaining Parameters
    128
    
    FST Displaying Re-Gaining Status
    128
    
    REGEN Starting Re-Gaining Manually
    129

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