Vaisala DPT145 User Manual
Page 4
User's Guide _______________________________________________________________________
4 ____________________________________________________________________ M211371EN-D
Alternate Wiring for Power Supply ...................................... 29
Stabilization of Dewpoint Reading After Installation .......... 29
Transmitter Start-Up ............................................................... 30
Serial Communication ............................................................ 31
Connecting to the Serial Interface ....................................... 31
Installing the Driver for the USB Service Cable ............. 31
Terminal Application Settings .............................................. 32
List of Serial Commands ....................................................... 33
Device Information ................................................................. 34
Show Device Information..................................................... 34
Show Currently Active Errors .............................................. 35
Show Command List ........................................................... 35
Show Firmware Version ...................................................... 36
Show Serial Number ............................................................ 36
Serial Line Output Commands .............................................. 36
Start Measurement Output .................................................. 36
Stop Measurement Output .................................................. 36
Set Output Interval ............................................................... 37
Output a Reading Once ....................................................... 37
Configuring Measurement Parameters ................................ 38
Set Mixing Ratio .................................................................. 38
Set Molar Weight of Other Gas ........................................... 38
Set Pressure Normalization Temperature ........................... 38
Set Measurement Output Format ........................................ 39
Select Unit ........................................................................... 41
Configuring Serial Line Operation ........................................ 41
Set Serial Line Operating Mode .......................................... 41
Set Serial Line Settings ....................................................... 42
Set Transmitter Address ...................................................... 42
Set Serial Line Response Time ........................................... 43
Other Commands.................................................................... 43
Opening the Transmitter in POLL Mode.............................. 43
Closing the Connection to a Transmitter in POLL Mode ..... 44
Show Transmitter Uptime .................................................... 44
Reset Transmitter ................................................................ 44
Restore Factory Settings ..................................................... 44
Modbus Communication ........................................................ 45
Addressing with Modbus Protocol ....................................... 45
Accessing Serial Port Command Interface from
Modbus Mode ................................................................. 45
Configuration Commands Related to Modbus ............... 46
Periodic Maintenance ............................................................. 47
Cleaning .............................................................................. 47
Calibration and Adjustment ................................................. 47
Field Check Using an MI70 Indicator .................................. 47
Repair Maintenance ................................................................ 49