Vaisala HMP260 User Manual
Page 82
HMP260 SERIES
HMP260-U017en-1.5
Appendix 1: Serial commands
ADDR
Setting the transmitter address
ADDR aa
aa
=
address (0...99)
The address is used when more than one transmitter is connected to one serial bus. The
ADDR command makes it possible to communicate with one transmitter at a time in
POLL mode.
For example, transmitter is given address 99
ADDR
Address : 2 ? 99
When asking the current address, no address number is given:
ADDR
Address : 2 ?
RESET
Resetting the transmitter
RESET
Resets the transmitter. All settings that have been changed stay in the memory even after
reset or power failure.
3.1
Operation modes
SMODE
Setting the serial interface
SMODE xxxx
xxxx
=
STOP, RUN or POLL
In STOP mode:
measurements output only by command, all commands can be used
In RUN mode:
outputting automatically, only command S can be used
In POLL mode:
measurements output only with command SEND. When in POLL
mode, the output mode is changed as follows: