Vaisala HMP228 User Manual
Page 65
HMP228 Transmitters
M210282en-A
Appendix 1: Serial commands
59
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.
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 state is changed as follows:
OPEN aa
SMODE xxxx
aa
=
address of the transmitter
xxxx
=
STOP, RUN or POLL
The OPEN command sets the bus temporarily in STOP MODE so that the
SMODE command can be given. For example:
>SMODE
which mode is in use at the moment
Serial mode : STOP
>SMODE STOP
setting STOP mode
Serial mode : STOP