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MODEL 2230R, Process Hydrogen Analyzer
Page 16
Serial
Communication
Commands
The unit can be communicated with and configured via the use of
commands as described below. Two levels of communication outputs
are available:
• Level 0 – Default level used for data monitoring and basic
functions providing a continuous stream of data readings
• Level 1 – Password protected level used for configuration of
user-settable parameters; interactive single-line data output per
command
Command
Summary
The RETURN or ENTER key is the last character of the command string.
If either key is pressed without a command string the result is an invalid
command and will resume continuous display if in Level 0 or return to
prompt if in Level 1.
Level 0 Commands
Keystroke Description
ESC
Stops continuous display to enter a password or command. If in level
zero, the continuous display will resume after executing one
command.
sp(spacebar)
Pressing the Space key while the serial output is active will display a
label line showing the heading for each column of data.
A
Average readings.
C
Clear peak hydrogen value.
=<password>
Enter the password to change security level. A null or invalid
password returns to the default security level.
Level 0 password = “0”
Level 1 password = “h2scan”
Level 1 Commands
Keystroke Description
A <R1> <R2>
Set the R1 and R2 set points for the relay contacts in %H₂.
C
Clear peak hydrogen value.
D <page>
Display Product Information. Enter page number 0-6 or A for all
pages, default is page 0.
0 – Product information
1 – User configuration
2 – Manufacturing information
3 – Product configuration
4 – Sensor characterization data
5 – Hydrogen calibration data