Vaisala HMP230 - Manual (Page 58)

HMP230 SERIES
User's Guide
M210225en-B
52
Example:
>SMODE STOP setting STOP state
Serial mode : STOP
6.4.3.2. OPEN & CLOSE
OPEN nn
nn = address of the transmitter (0...99)
CLOSE
In STOP mode: command OPEN has no effect, CLOSE sets the transmitter in
POLL mode
In POLL mode: 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 state
>OPEN 2 opens the line to transmitter 2
>CRH calibration started
...
>CLOSE line closed