Vaisala HUMICAP MMT310 Guida Utente Scaricare il pdf (Pagina 41)

Chapter 4 _________________________________________________________________ Operation

VAISALA ________________________________________________________________________ 41

Temporarily Open Transmitter from

POLL Mode to Receive Serial Commands

Syntax: OPEN nn<cr>

Where

Address of the transmitter (0 ... 99)

The OPEN command sets the bus temporarily in STOP mode so that the

SMODE command can be issued.

Example:

>open 4

Device: 4 line opened for operator commands

Set Transmitter in POLL Mode

Syntax: CLOSE<cr>

In STOP mode: the command OPEN has no effect, CLOSE sets the

transmitter temporarily in POLL mode.

In POLL mode: the command OPEN sets the transmitter temporarily in

STOP mode, command CLOSE returns the instrument to POLL mode.

Example:

Relative humidity calibration is performed at transmitter 2, which is in

POLL mode.

>open 2

Opens the line to transmitter 2.

>crh

Calibration started.

...

>close

Line closed.

1 2 ... 36 37 38 39 40 41 42 43 44 45 46 ... 80 81

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Vaisala HUMICAP MMT310 Guida Utente Pagina 41