User's Guide ______________________________________________________________________
2 ___________________________________________________________________ M210934EN-B
List of Serial Commands .......................................................27
Device Information and Status..............................................28
Show Device Information ....................................................28
Show Firmware Version ......................................................28
Configuring Serial Line Operation........................................29
Set Serial Line Settings.......................................................29
Set Serial Line Response Time...........................................30
Set Transmitter Address......................................................30
Format Measurement Output..............................................30
Select Unit...........................................................................32
Set Serial Interface Mode....................................................32
Configuring Measurement Parameters ................................32
Select Analog Output Quantity and Scaling........................32
Set Analog Output Mode (mA/V).........................................33
Calibrate Analog Output......................................................34
Set Malfunction Alarm Output for Analog Channels............34
Set Alarm Limits for Analog Outputs / LED Indication.........35
Set Voltage for LED Alarm..................................................35
Extend Analog Output Range..............................................36
Serial Line Output Commands..............................................36
Start Measurement Output..................................................36
Stop Measurement Output..................................................36
Set Output Interval...............................................................37
Output Reading Once..........................................................37
Troubleshooting Commands.................................................38
Display the Currently Active Errors .....................................38
Test Analog Outputs............................................................38
Other Commands ...................................................................39
Opening the Transmitter in POLL Mode .............................39
Closing the Connection to a Transmitter in POLL Mode.....39
Display Command List ........................................................40
Reset Transmitter................................................................41
Restore Factory Settings.....................................................41
ppm Conversion .....................................................................41
MMT162 ppm Conversion for Transformer Oils..................41
Conversion Model with Average Coefficients......................42
Conversion Model with Oil-specific Coefficients .................42
Setting Oil Coefficients Using Serial Line............................43
OIL..................................................................................43
Determination of Oil-Specific Coefficients...........................43
CHAPTER 5
MAINTENANCE............................................................................................47
Cleaning...................................................................................47
Changing the Probe Filter......................................................48
Changing the Sensor .............................................................48
Error States.............................................................................48
Technical Support ..................................................................49
Return Instructions ................................................................49
Vaisala Service Centers.........................................................50
CHAPTER 6
CALIBRATION AND ADJUSTMENT...........................................................51
