Chapter 4 _________________________________________________________________ Operation
VAISALA ________________________________________________________________________ 97
Available Commands
With the HELP command the operator can get information about the
available commands. By typing HELP command the operator can get
information about a specific command.
The hierarchy and description of the commands are described in Table 13
below and Table 14 on page 98.
Table 13 LM21 User Level Commands
Releases the port for message transmission.
Enables input character echo (default).
Disables input character echo.
If the message number is not specified, LM21
displays the default message without transmission
Lists available commands. With a command name
as a parameter, the HELP command shows
information about that specific command.
Prints the status message.
Prints the configuration parameters.
SET MESSAGE TYPE message_number
Selects the transmitted message type.
SET MESSAGE INTERVAL number
Sets the interval in seconds for message sending.
Zero disables the automatic sending.
Message is directed to the Data port (default).
SET MESSAGE PORT MAINTENANCE
Message is directed to the Maintenance port.
Sets unit identifier: an alphanumerical character for
message and polling identification. A '-' character
removes the ID. By default no ID is set and space
character is used in the message headings.
Sets name: an alphanumerical string that can be
used during installation to identify, for example, unit
location. The maximum string length is 12
SET MAINTENANCE_PORT BAUD number
Sets the Maintenance port serial line baud rate to
300...9600. Communication parameters: 8N1 (fixed).
Resets the measurement sequence. The following
data message is measured from the moment all
average values are erased. Next message is
transmitted in (interval +2) seconds.
Sets the command mode timeout in minutes 0 to 30,
0 disables the timeout, default is 10 min.
SET TERMINAL_LINES number
Adjusts printouts for used terminal screen. Minimum
is 5 lines, default 24.
Displays the device name given by the user, the
device type, and ID.
Lists the software version.
SET DATA_PORT BAUD number yes/no
Sets data port serial line baud rate to 300...19200.
Verification yes/no asked only if the command is
given via DATA PORT (default 9600).