List of Serial Commands - HMM100

All commands can be issued either in uppercase or lowercase.

The notation <cr> refers to pressing the carriage return (ENTER) key on your computer keyboard. Enter a <cr> to clear the command buffer before starting to enter commands.

Table 1. Basic Serial Commands

Command	Description
?	Show module information
??	Show module information (when in poll mode)
ADDR [0 ... 99]	Set the module address (for POLL mode)
CALCS	Show measured quantities
CLOSE	Close the temporary connection (returns to POLL mode)
ECHO [ON/OFF]	Set terminal echo
ENV	Set environmental parameters
ERRS	Display active errors
HELP	List available commands
INTV [0 ... 255 S/MIN/H]	Set the continuous output interval (for RUN mode)
OPEN [0 ... 99]	Open a temporary connection to a POLL mode device
PASS [passcode]	Access advanced commands (requires passcode)
R	Start the continuous outputting
RESET	Resets the module
RESTORE	Restores the latest saved settings (overwrites unsaved settings)
S	Stop the continuous outputting
SAVE	Save changed settings to memory
SEND [0 ... 99]	Output the reading once
SERI [baud p d s]	User Port settings (Default: 19200 N 8 1) baud: 300 ... 115200
STATUS	Show analog output status
SYSTEM	Show module information and build date
VERS	Show software version of the module
XPRES	Set the value for pressure compensations, temporarily

Table 2. Advanced Serial Commands

Command	Description
ACAL	Calibrate analog output
AMODE	Set/show analog output mode
ASEL [RH/TD]	Set/show analog output quantities and scaling
ATEST	Test analog output; forces the output to the given value
CALINFO	Set/show calibration info
CRH	Calibrate humidity measurement after
CT	Calibrate temperature measurement
FRESTORE	Restore all module settings to factory defaults
L	Show user adjustment parameters
LI	Set user adjustment parameters
SMODE [STOP/RUN/POLL]	Set the serial interface mode
ZERO	Set correction by trimmers to zero