Chapter 4 _________________________________________________________________ Operation
VAISALA _______________________________________________________________________ 127
Entering and Exiting Command Mode
The maintenance line of the sensor is assigned to the operator with the
command OPEN.
OPEN Command
If no device identifier (ID) is defined, type
OPEN
If ID is defined, for example, as A, type
OPEN A
If ID is defined but forgotten, type
OPEN *
If the device type LM is included in the OPEN command, an ID is not
needed. This command is similar to the OPEN * command, type
OPEN LM
If an ID is defined, for example, as A, type
OPEN LM A
The LM21 answers
LM21 line opened for operator commands
If no input is given within 10 minutes, LM21 closes the line
automatically. The timeout time is user selectable.
If LM21 receives an OPEN command targeted to another device while in
command mode, it executes a CLOSE command.
CLOSE Command
The line can be released to automatic data messages with the CLOSE
command.
The LM21 answers
LM21 line closed
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