Vaisala HMP228 Manuel d'utilisateur télécharger pdf (Page 58)

HMP228 Transmitters

Appendix 1: Serial commands M210282en-A

NOTE

The temperature unit in offset correction is always de-

grees Centigrade, even if the transmitter is using non-

metric units (Fahrenheit) in its measurement output.

OUTPUT VIA THE SERIAL BUS

R Starting the measurement output

R <cr>

Starts output of measurements to the peripheral devices (PC display or

printer); output interval is set with command INTV.

The output format depends on the transmitter configuration and which vari-

ables are in use. The order, however, is always the same: water activity and

temperature temperature. An example:

aw= 0.43.0 T= 21.0 'C <cr><lf>

When the transmitter sends out the readings, the serial interface does not echo

any commands; the only command that can be used is S (stop).

The output mode can be changed with command FORM.

S Stopping the measurement output

S<cr>

Ends the RUN state; after this command all other commands can be used.

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Vaisala HMP228 Manuel d'utilisateur Page 58