DMT143 User Guide - DMT143

Product status
Document code: M211435EN-L
Language: English
Product: DMT143
Document type: User guide

About this document
Version information
Related manuals
Documentation conventions
Trademarks
Product overview
Introduction to DMT143
Basic features and options
Connectivity to Vaisala Insight software
Connectivity to Indigo80 handheld indicator
DMT143 and DMT143L transmitter parts
DMT143 with ISO 228-1 G1/2" thread
DMT143 with NPT thread
DMT143 with UNF thread
DMT143L with ISO 228-1 G1/2" thread
Loop-powered display
Connection cables
Safety
ESD protection
Regulatory statements
FCC Part 15 compliance statement
Canada ICES‑3 / NMB‑3 compliance statement
Functional description
DRYCAP technology
Autocalibration
Sensor purge
Sensor warming in high humidities and freezing conditions
DMT143 startup sequence
Alarm LED
Installation
Configuring transmitter before installation
Selecting location
Installing transmitter on pipeline
Installing transmitter on wall
Wiring
Power supply requirements
Sampling from a process
Sampling accessories
DMT242SC sampling cell
DMT242SC2 sampling cell with Swagelok connectors
DSCVCR14 sampling cell with 1/4" Swagelok VCR connectors
DSC74 sampling cell with quick connector and leak screw
DSC74B and DSC74C sampling cells
DSC74B two-pressure sampling cell
DSC74C two-pressure sampling cell with coil
DM240FA duct installation flange
Vaisala Insight PC software
Connecting to Insight software
Using transmitter with Indigo80 handheld indicator
Indigo80 handheld indicator
Device compatibility
Indigo80 keypad
Indigo80 main menu
Connecting to Indigo80 handheld indicator
Accessing transmitter settings with Indigo80 handheld indicator
Analog output configuration example
Modbus communication
Serial communication
Connecting to the serial interface
Transmitter startup
Installing driver for the USB service cable
Terminal application settings
Accessing serial interface in devices with Modbus output
List of serial commands
Device information
Show device information
Show analog output mode
Show firmware version
Show firmware information
Show currently active errors
Show serial number
Show command list
Configuring analog output
Set analog output parameters and scaling
Set analog output error notification
Extend analog output range
Test analog output
Enable or disable analog output
Serial line output commands
Start measurement output
Stop measurement output
Set output interval
Output a reading once
Configuring measurement parameters
Set measurement output format
Set measurement filtering
Set pressure compensation value
Select unit
View user adjustment parameters
Set user adjustment parameters
Configuring serial line operation
Set serial line operating mode
Set serial line settings
Set transmitter address
Set serial line response time
Other commands
Opening the transmitter in POLL mode
Closing the connection to a transmitter in POLL mode
Configure alarm LED
Reset transmitter
Restore factory settings
Maintenance
Periodic maintenance
Cleaning
Changing the filter
Calibration
Field check using Indigo80 handheld indicator
Repair maintenance
Troubleshooting
Solving typical problems
Error messages in Insight software
Unknown serial settings
Technical data
DMT143 specifications
DMT143L specifications
Dimensions
Spare parts and accessories
Vaisala services
Service centers
Technical support
Warranty
Modbus reference
Default communication settings
Function codes
Data encoding
32-bit floating point or 32-bit integer format
16-bit integer format
Modbus registers
Measurement data registers
Configuration registers
Status registers
Test value registers
Device identification objects
Exception responses
Modbus communication examples
Recycling

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