Vaisala PTB220 Manual de usuario descargar pdf (Pagina 18)

USER'S GUIDE_______________________________________________________________________

12 ___________________________________________________________________ M210194EN-A

Operating modes

The first thing to do is to select the desired sending mode for the

barometer. This is done with the command SMODE. There are

available the normal or the fast measurement mode or the pulse output

mode. These selections are made with MMODE and PULSE

commands.

SMODE Selecting the sending mode

SMODE x <cr>

where:

x = STOP, RUN, SEND or POLL

The SMODE command is used to set or inspect the sending mode of

the barometer. The PTB220 series digital barometers have four

sending modes: STOP, RUN, SEND and POLL.

In STOP mode (see page 43), after power-up the barometer outputs its

type and software version and then waits for further commands.

In RUN mode (see page 43), continuous outputting starts

automatically from power-up.

In SEND mode (see page 50) a single message is automatically output

after power-up.

POLL mode (see page 48) allows the communication with multiple

barometers or other digital instruments connected to one serial bus.

Echo is automatically off in the POLL mode.

Examples:

>smode <cr>

Serial mode : STOP

>smode run <cr>

Serial mode : RUN

>smode send <cr>

Serial mode : SEND

>smode poll <cr>

Serial mode : POLL

>smode stop <cr>

Serial mode : STOP

>reset<cr>

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Vaisala PTB220 Manual de usuario Pagina 18