Vaisala HUMICAP HMT338 Manuals

Manuals and User Guides for Vaisala HUMICAP HMT338. We have 1 Vaisala HUMICAP HMT338 manual available for free PDF download: User Manual

Vaisala HUMICAP HMT338 User Manual (206 pages)

Humidity and Temperature Transmitter

Brand: Vaisala | Category: Transmitter | Size: 2.45 MB

Table of Contents
3
Vaisala
3
Vaisala
9
Chapter 1 General Information

13
- About this Manual
  13
  - Contents of this Manual
    13
Chapter 2

13
- Version Information
  14
- Documentation Conventions
  14
  - Table 1 Manual Revisions
    14
  - Safety
    15
    
    ESD Protection
    15
  - Recycling
    16
  - Regulatory Compliances
    16
    
    EU Declaration of Conformity
    16
    
    DNV Type Approval
    17
    
    Table 2 Application, Location Classes
    17
    
    Transmitters with LAN or WLAN Interface
    17
    
    Transmitters with WLAN Interface
    18
  - Patent Notice
    18
  - Trademarks
    18
  - License Agreement
    19
  - Warranty
    19
Chapter 2 Product Overview

21
- Introduction to HMT330
  21
Chapter 3 Installation

29
- Mounting the Housing
  29
Optional Modules

51
- Power Supply Module
  51
  - Installation
    52
  - Warnings
    53
- Galvanic Isolation for Output
  56
- Third Analog Output
  56
- Relays
  58
  - Installation and Wiring
    58
  - Selecting the Activation State of the Relay
    58
- RS-422/485 Interface
  59
- LAN Interface
  64
- WLAN Interface
  65
- Data Logger Module
  67
- Table 9 Observation Periods and Resolution
  67
- Figure 41 Data Logger Module
  68
- 8-Pin Connector
  69
- Figure 42 Pinout of the Optional 8-Pin Connector
  69
- Table 10 Wiring of the Optional 8-Pin Connector
  69
Chapter 4 Operation

71
Getting Started

71
Display/Keypad (Optional)

71
- Basic Display
  71
- Graphic History
  72
- Figure 43 Basic Display
  72
- Figure 44 Graphical Display
  72
- Figure 45 Graphical Display with Data Logger
  73
- Table 11 Periods for Trend and Max/Min Calculations
  73
- Menus and Navigation
  74
  - Figure 46 Main Menus
    74
  - Table 12 Graph Information Messages in Cursor Mode
    74
  - Changing the Language
    75
  - Display Backlight Setting
    75
  - Rounding Setting
    75
  - Display Contrast Setting
    76
  - Keypad Lock (Key Guard)
    76
  - Menu PIN Lock
    76
  - Factory Settings
    77
- Display Alarms
  77
MI70 Link Program for Data Handling

80
Serial Line Communication

81
- Figure 51 Service Port Connector and User Port Terminal on Motherboard
  81
  - User Port Connection
    82
    
    Figure 52 Connection Example between PC Serial Port and User Port
    82
    
    Table 13 Default Serial Communication Settings for the User Port
    82
    
    User Port Operating Modes
    82
  - Service Port Connection
    83
    
    Connection Cables
    83
    
    Installing the Driver for the USB Cable
    83
    
    Using the Service Port
    84
LAN Communication

84
- Table 14 Communication Settings for the Service Port
  84
  - IP Configuration
    85
    
    Table 15 IP Settings for the LAN and WLAN Interfaces
    85
    
    Figure 53 Network Interface Menu
    86
    
    Figure 54 IP Configuration Menu
    86
    
    Using Display/Keypad
    86
    
    Using Serial Line
    87
  - Wireless LAN Configuration
    88
    
    Table 16 Wireless LAN Settings
    88
    
    Figure 55 Wireless LAN Settings
    89
    
    Figure 56 Entering Network SSID
    89
    
    Figure 57 Selecting the Wireless Network Type
    89
    
    Using Display/Keypad
    89
    
    Using Serial Line
    90
    
    Communication Protocol
    91
    
    Web Configuration for LAN and WLAN
    91
    
    Figure 58 Web Configuration Interface for LAN
    92
    
    Opening a Serial/Usb Connection
    92
    
    Terminal Program Settings
    92
    
    Figure 59 Opening a Serial Connection
    93
    
    Opening a Telnet Session (LAN/WLAN)
    93
    
    Figure 60 Opening a Telnet Connection
    94
  - List of Serial Commands
    95
  - Table 17 Measurement Commands
    95
  - Table 18 Communication Commands
    95
  - Table 19 Formatting Commands
    95
  - Table 20 Data Recording Commands
    96
  - Table 21 Chemical Purge Commands
    96
  - Table 22 Calibration and Adjustment Commands
    96
  - Table 23 Setting and Testing the Analog Outputs
    96
  - Table 24 Setting and Testing the Relays
    96
  - Getting Measurement Message from Serial Line
    97
    
    Starting Continuous Outputting
    97
    
    Table 25 Other Commands
    97
    
    Assign an Alias for the SEND Command
    98
    
    Outputting Reading Once
    98
    
    Stopping Continuous Outputting
    98
  - Communicating with a Transmitter in POLL Mode
    99
    
    Close
    99
    
    Open
    99
  - Formatting Serial Line Message
    100
    
    FTIME and FDATE
    100
  - General Settings
    102
    
    Changing Quantities and Units
    102
    
    Using Display/Keypad
    102
    
    Form
    103
    
    Using Serial Line
    103
    
    Table 26 FORM Command Modifiers
    104
    
    Unit
    105
    
    PRES and XPRES
    106
    
    Pressure Compensation Setting
    106
    
    Using Display/Keypad
    106
    
    Using Serial Line
    106
    
    Date and Time
    107
    
    Table 27 Conversion Factors for Pressure Units
    107
    
    Using Display/Keypad
    107
    
    Data Filtering
    108
    
    Table 28 Filtering Levels
    108
    
    Using Serial Line
    108
    
    Device Information
    109
    
    Figure 61 Device Information on Display
    109
    
    Filt
    109
    
    Light
    110
    
    Errs
    111
    
    Help
    111
    
    Resetting Transmitter Using Serial Line
    111
    
    Vers
    111
    
    Locking Menu/Keypad Using Serial Line
    112
  - Serial Output Settings
    112
    
    Using Display/Keypad
    113
    
    Seri
    114
    
    Using Serial Line
    114
    
    Addr
    115
    
    Smode
    115
    
    Table 29 Selection of Output Modes
    115
    
    Intv
    116
    
    Sdelay
    116
    
    Echo
    117
  - Data Recording
    117
    
    Dsel
    117
    
    Selecting Data Recording Quantities
    117
    
    View Recorded Data
    118
    
    Play
    119
    
    Deleting the Recorded Files
    120
    
    Undelete
    121
  - Analog Output Settings
    121
    
    Changing Output Mode and Range
    121
    
    Figure 62 Current/Voltage Switches of Output Modules
    122
    
    Analog Output Quantities
    123
    
    Amode/Asel
    124
    
    Analog Output Tests
    125
    
    Itest
    125
    
    Aerr
    126
    
    Analog Output Fault Indication Setting
    126
  - Operation of Relays
    127
    
    Measurement-Based Relay Output Modes
    127
    
    Quantity for Relay Output
    127
    
    Relay Setpoints
    127
    
    Figure 63 Measurement-Based Relay Output Modes
    128
    
    Hysteresis
    129
    
    Relay Indicating Transmitter Error Status
    129
    
    Figure 64 FAULT/ONLINE STATUS Relay Output Modes
    130
    
    Enabling/Disabling Relays
    131
    
    Setting Relay Outputs
    131
    
    Table 30 Relay State Examples
    131
    
    Figure 65 Relay Indicators on Display
    132
    
    Rsel
    132
    
    Rtest
    134
    
    Testing Operation of Relays
    134
  - Sensor Functions
    135
    
    Chemical Purge (Optional)
    135
    
    Figure 66 Decrease of Sensor Gain
    135
    
    Automatic Chemical Purge (Interval Purge)
    136
    
    Chemical Purge in Power up
    136
    
    Manual Chemical Purge
    136
    
    Figure 67 Purge Buttons on Motherboard
    137
    
    Figure 68 Chemical Purge Settings
    137
    
    Starting and Configuring Chemical Purge
    137
    
    Using Buttons on Motherboard
    137
    
    Using Display/Keypad (Optional)
    137
    
    Figure 69 Performing Chemical Purge
    138
    
    Using Serial Line
    138
    
    Sensor Heating
    139
    
    Setting Humidity Sensor Heating
    140
    
    Xheat
    140
Chapter 5 Modbus ....................................................................................................139

141
- Overview of MODBUS Protocol Support
  141
- Modbus
  141
  - Table 31 Supported MODBUS Variants
    141
  - Taking MODBUS into Use
    142
  - Enabling Serial MODBUS
    143
    
    Using Display/Keypad (Optional)
    143
    
    Using Serial Line
    143
    
    Figure 71 IP Configuration
    145
    
    Figure 72 Wireless LAN Settings
    145
  - Figure 70 Serial Interface Settings
    143
  - Enabling Ethernet MODBUS
    145
    
    Using Display/Keypad (Optional)
    145
    
    Figure 73 Communication Protocol
    146
    
    Using Serial Line
    146
  - Diagnostic MODBUS Counters
    148
    
    Figure 74 MODBUS Counters
    148
    
    Viewing Counters Using Display/Keypad
    148
    
    Viewing Counters Using Service Port
    148
  - Disabling MODBUS
    149
Chapter 6 Maintenance ......................................................................................... 149

151
- Periodic Maintenance
  151
  - Changing the Probe Filter
    151
  - Cleaning
    151
  - Figure 75 Changing the Sensor
    152
  - Error States
    153
  - Figure 76 Error Indicator and Error Message
    153
  - Table 32 Error Messages
    154
  - Product Returns
    155
  - Technical Support
    155
  - Opening and Closing the Adjustment Mode
    157
Chapter 7 Calibration and Adjustment

157
- Figure 77 Adjustment and Purge Buttons
  158
  - Figure 78 Adjustment Menu
    158
  - Table 33 Indicator Led Functions
    158
  - Relative Humidity Adjustment
    159
    
    Using Push Buttons
    159
    
    Figure 79 Selecting Point 1 Reference Type
    160
    
    Using Display/Keypad
    160
    
    Using Serial Line
    161
    
    Fcrh
    162
    
    Relative Humidity Adjustment after Sensor Change
    162
    
    Using Display/Keypad
    162
    
    Using Serial Line
    162
    
    Temperature Adjustment
    163
    
    Using Display/Keypad
    163
    
    Using Serial Line
    163
    
    Acal
    165
    
    Analog Output Adjustment
    165
    
    Using Display/Keypad
    165
    
    Using Serial Line
    165
    
    Cdate
    166
    
    Ctext
    166
    
    Feeding Adjustment Information
    166
    
    Using Display/Keypad
    166
    
    Using Serial Line
    166
    
    Performance
    167
    
    Relative Humidity
    167
    
    Specifications
    167
Chapter 8 Technical Data

167
- Figure 80 Accuracy over Temperature Range
  168
- Optional Temperature Probe
  168
- Power Supply Module
  173
  - Analog Output Module
    173
  - Table 35 Transmitter Weight (in Kg/Lb)
    173
- LAN Interface Module
  174
- Relay Module
  174
  - RS-485 Module
    174
- WLAN Interface Module
  174
- ºC
  175
Options and Accessories

175
Appendix A Probe Installation Kits and Installation Examples

183
- Figure 92 Duct Mounting Installation Kit
  183
- Figure 93 Duct Mounting Installation Kit for T-Probe
  184
Duct Installation Kits (for HMT333/337/335)

183
Pressure Tight Swagelok Installation Kits (for HMT337)

185
Examples of Vapor Tight Installations with Cable Gland

186
Ball Valve Installation Kit for HMT338

190
- Figure 102 Installing the HMT338 Probe through a Ball Valve Assembly
  190
- Figure 103 Meteorological Installation Kit for Outdoor Installation
  192
Meteorological Installation Kit (for HMT337)

192
- Absolute Humidity 0
  193
Appendix B

193
Calculation Formulas

193
- Enthalpy -40
  194
- Water Vapor Pressure 0
  195
- Mixing Ratio
  193
Appendix C Modbus Reference

197
Register Map

198
- Data Encoding
  198
  - Bit Floating Point Format
    198
  - Table 37 HMT330 MODBUS Register Blocks
    198
  - Bit Integer Format
    199
- Measurement Data (Read-Only)
  200
- Table 38 Measurement Data Registers
  200
- Hpa
  200
- Configuration Registers
  201
- Table 39 Status Registers
  201
- Table 40 Configuration Parameter Registers
  201
- Table 41 Configuration Flag Registers
  202
- Table 42 HMT330 Exception Status Outputs
  202
Diagnostic Sub-Functions

203
- Table 43 HMT330 MODBUS Diagnostics
  203
Device Identification Objects

204
- Table 44 HMT330 MODBUS Device Identification
  204
- Table 45 HMT330 MODBUS Exception Responses
  204

Vaisala Categories

Transmitter Measuring Instruments Accessories Weather Station Test Equipment

More Vaisala Manuals

Vaisala HUMICAP HMT338 Manuals

Vaisala HUMICAP HMT338 User Manual (206 pages)

Table of Contents

Chapter 1 General Information

Chapter 2

Chapter 2 Product Overview

Chapter 3 Installation

Optional Modules

Chapter 4 Operation

Getting Started

Display/Keypad (Optional)

MI70 Link Program for Data Handling

Serial Line Communication

LAN Communication

Chapter 5 Modbus ....................................................................................................139

Chapter 6 Maintenance ......................................................................................... 149

Chapter 7 Calibration and Adjustment

Chapter 8 Technical Data

Options and Accessories

Appendix A Probe Installation Kits and Installation Examples

Duct Installation Kits (for HMT333/337/335)

Pressure Tight Swagelok Installation Kits (for HMT337)

Examples of Vapor Tight Installations with Cable Gland

Ball Valve Installation Kit for HMT338

Meteorological Installation Kit (for HMT337)

Appendix B

Calculation Formulas

Appendix C Modbus Reference

Register Map

Diagnostic Sub-Functions

Device Identification Objects

Related Products

Vaisala Categories