Vaisala HMT330 Manuel d'utilisateur Page 97

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Vue de la page 96
Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 95
Table 26 Other Commands
Command
Description
?
Output information about the device
??
Output information about the device in
POLL mode
ALSEL
Set display alarms
CON
Set display contrast
ECHO [ON/OFF]
Turn the serial interface echo ON/OFF
ERRS
List present transmitter errors
FILT
Set the result filtering
FIND
All devices in POLL mode send their
addresses
HELP
List the currently available commands
LIGHT
Set the display backlight mode
LOCK
Lock the menu or disable the keypad
MODBUS
View Modbus diagnostic counters
MODS
View information about connected modules
PRES [hPa]
Set the value for pressure compensations
RHLIMIT [ON/OFF]
Limit highest value of RH output to 100%
VERS
Display the software version information
XHEAT
Sensor heating
XPRES [hPa]
Set the value for pressure compensations,
temporarily
Getting Measurement Message from Serial Line
Starting Continuous Outputting
Use the R command to start the continuous output of measurements.
R<cr>
The default output format depends on the quantities your transmitter
supports. You can change the output message format and interval with
the FORM and INTV commands. See sections FORM on page 101 and
INTV on page 115.
Example:
>r
RH= 60.5 %RH T= 23.7 'C Tdf= 15.6 'C Td= 15.6 'C a= 13.0
g/m3 x= 11.1 g/kg Tw= 18.5 'C H2O= 17889 ppmV pw=
17.81 hPa pws= 29.43 hPa h= 52.3 kJ/kg dT= 8.1 'C
If a value is too long to fit to the allocated space in the output, or if there
is an error in outputting the quantity, the value is displayed with stars ‘*’.
Example:
>r
RH=***.* %RH T= 31.0 'C
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