Vaisala HMP228 Manuals

Manuals and User Guides for Vaisala HMP228. We have 1 Vaisala HMP228 manual available for free PDF download: User Manual

Vaisala HMP228 User Manual

Vaisala HMP228 User Manual (115 pages)

Moisture and Temperature Transmitter for Oil

Brand: Vaisala | Category: Transmitter | Size: 1.28 MB

Table of Contents

Table of Contents

3
- 1 Product Description
  
  7
  - General Characteristics
    7
  - Typical Applications
    7
    
    About the Method Used for Measuring Moisture in Oil
    7
    
    Lubrication Oil in Paper Machines
    8
    
    Transformer Oil
    8
- 2 Installation
  
  9
- 3 Commissioning
  
  20
  - Changing the Parameters
    20
    
    Security Lock Jumper
    20
    
    Commands and Security Lock Jumper
    21
  - Using the RS 232C Serial Bus
    22
  - Using LED Commands
    24
  - Using Display/Keypad Commands
    24
    
    Display Mode
    24
    
    Command Mode
    25
    
    Entering Numbers
    25
- 4 Maintenance
  
  26
  - Self-Diagnostics
    26
  - Reference Measurements
    26
  - Moisture Calibration
    27
    
    Two Point Calibration Procedure
    28
    
    Using Serial Commands
    28
    
    Using Display/Keypad Commands
    28
    
    Using LED Commands
    29
    
    One Point Calibration Procedure
    29
    
    Using Serial Commands
    29
    
    Using Display/Keypad Commands
    30
    
    Using LED Commands
    30
  - Changing the Moisture Sensor
    30
    
    Calibration Procedure after Sensor Change
    31
    
    Using Serial Commands
    31
    
    Using Display/Keypad Commands
    31
    
    Using LED Commands
    32
    
    Humidity Calibration Table
    33
  - Temperature Calibration
    33
    
    One Point Offset Correction
    33
    
    Using Serial Commands
    33
    
    Using Display/Keypad Commands
    34
    
    Using LED Commands
    34
    
    Two Point Temperature Calibration
    34
    
    Using Serial Commands
    34
    
    Using Display/Keypad Commands
    35
    
    Using LED Commands
    35
    
    Temperature Channel Adjustment with Pt 100 Simulators
    36
  - Analogue Output Channels
    37
    
    Setting the Analogue Outputs
    37
    
    Using Serial Output
    38
    
    Using Display/Keypad Commands
    39
    
    Selecting and Scaling the Analogue Output Quantities
    40
    
    Using Serial Output
    40
    
    Using Display/Keypad Commands
    40
  - Checking and Calibrating the Analogue Outputs
    41
    
    Measurement of Output Currents Using Test Points
    41
    
    Calibration of the Analogue Outputs
    42
    
    Using Serial Commands
    43
    
    Using Display/Keypad Commands
    43
    
    Using LED Commands
    44
  - Other Functions
    44
    
    4.9.1 Adjusting the Contrast of the Display
    44
    
    Reverting to Factory Settings of the Serial Port
    44
- 5 Technical Data
  
  46
  - Water Activity
    46
  - Temperature
    46
  - Analogue Outputs
    46
  - Electronics
    47
  - Mechanics
    47
  - Electromagnetic Compatibility
    49
    
    Emissions
    49
    
    Immunity
    49
- 6 Options
  
  50
- 7 Spare Parts
  
  50
Appendix 1: Serial Commands

51
Appendix 2: Display Commands

72
- Display Commands
  
  73
- Display/Keypad Commands
  
  73
  - Output Via the Serial Bus
    73
  - Turning the Serial Interface Echo ON/OFF
    73
  - Serial Bus Settings
    73
  - Setting the Transmitter Address
    74
  - Selecting the Output Units
    75
  - Output Modes
    75
  - Setting the Serial Interface Operation Mode
    76
  - Others
    77
  - Setting the Measurement Integration Time
    77
  - Setting the Pressure for Mixing Ratio Calculations
    77
  - Setting the Date
    78
  - Setting the Time
    78
- Appendix 3: Power Supply Module
  
  79
  - Installing the Power Supply Module
    80
  - Technical Specifications
    82
Appendix 4: Installing and Using the Rs 485/422 Serial Port Module

83
- 1 Installation
  
  84
- Appendix 4: RS 485/422 Serial Port Module
  
  84
- 2 Operation
  
  85
- 3 Network Configuration
  
  87
  - Single Loop Operation
    87
  - Dual Loop Operation
    89
- 4 Checking the Serial Port Network Operation
  
  91
  - STOP Mode
    91
  - POLL Mode
    92
  - RS 485 Network Settings
    92
- 5 Specifications
  
  93
Appendix 5: Installing and Using the Digital Current Loop Module

94
- 1 Installation
  
  95
- Appendix 5: Digital Current Loop Module
  
  95
- 2 Operation
  
  96
- 3 Network Configuration
  
  98
  - Single Loop Operation
    98
  - Single Loop Wiring
    98
  - Dual Loop Operation
    99
  - Dual Loop Wiring
    100
- 4 Checking the Serial Port Network Operation
  
  101
  - STOP Mode
    101
  - POLL Mode
    102
  - Current Loop Settings
    102
- 5 Specifications
  
  103
- Appendix 6: Error Messages
  
  104
  - Alarm Output Unit
    107
- Appendix 8: Connectors
  
  111
- Appendix 9: Wiring
  
  113

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