Vaisala HMP260 User Manual
Page 82
HMP260 SERIES
HMP260-U017en-1.5
Appendix 1: Serial commands
ADDR
Setting the transmitter address
ADDR aa <cr>
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 <cr>
Address : 2 ? 99 <cr>
When asking the current address, no address number is given:
ADDR <cr>
Address : 2 ? <cr>
RESET
Resetting the transmitter
RESET <cr>
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<cr>
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: