Vaisala HMT330 - Manual (Page 95)

Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 93
List of Serial Commands
All commands can be issued either in uppercase or lowercase. In the
command examples, the keyboard input by the user is in bold type.
The notation refers to pressing the carriage return (Enter) key on
your computer keyboard. Enter a to clear the command buffer
before starting to enter commands.
In the tables below, the bold text in the brackets is the default setting.
Table 18 Measurement Commands
Command Description
R Start the continuous outputting
S Stop the continuous outputting
SEND [0 ... 255] Output the reading once
DSEND Output the reading once from all connected
transmitters (in STOP or POLL mode)
Table 19 Communication Commands
Command Description
INTV [0 ... 255 S/MIN/H] Set the continuous output interval
(for RUN mode)
SMODE [STOP/SEND/RUN/
POLL/MODBUS] Set the serial interface mode
SDELAY View or set user port (RS232 or RS485)
answer minimum delay
SERI [baud p d s] User Port settings (Default: 4800 E 7 1)
baud: 300 ... 115200
ADDR [0 ... 255] Set the transmitter address (for POLL and
MODBUS modes)
NET View or set networking parameters for LAN
and WLAN interfaces
WLAN View or set wireless network parameters
for WLAN interface
OPEN [0 ... 255] Open a temporary connection to a POLL
mode device
CLOSE Close the temporary connection (Back to
POLL mode)
Table 20 Formatting Commands
Command Description
FORM Set the output format of SEND and R
commands
TIME Set the time
DATE Set the date
FTIME [ON/OFF] Add time to SEND and R outputs
FDATE [ON/OFF] Add date to SEND and R outputs
FST [ON/OFF] Add the state of probe heating and
chemical purge in connection with SEND
and R commands
SCOM Assign a new command name that works
like the SEND command
UNIT Select the metric or non-metric output units