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2 output via the serial bus, 1 starting the measurement output, 2 stopping the measurement output – Vaisala HMP260 User Manual

Page 40: 3 outputting the reading once

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HMP260 SERIES
Operating Manual

HMP260-U017en-1.5

34

1997-11-25

5.4.2

Output via the serial bus

5.4.2.1

Starting the measurement output

R

Starts output of measurements to the peripheral devices (RUN mode); the only
available command is S (stop).

The output mode can be changed with command FORM (see Appendix 1).

5.4.2.2

Stopping the measurement output

S

Ends the RUN mode; after this command all other commands are available.

5.4.2.3

Outputting the reading once

SEND

in STOP mode

or

SEND aa

in POLL mode

aa

=

address of the transmitter when more than one transmitter is
connected to a serial bus (0...99)

The output format depends on which parameters the transmitter can output.
Output types:

"RH=999.9 %RH T=999.9 *C",

"RH=999.9 %RH T=999.9 *C Td=9999.9 *C",

"RH=999.9 %RH T=999.9 *C a=9999.9 g/m3 x=9999.9 g/kg Tw=999.9*C",

"RH=999.9 %RH T=999.9 *C Td=9999.9 *C a=9999.9 g/m3 x=9999.9 g/kg Tw=999.9 *C",

The output mode can be changed with command FORM (see Appendix 1).