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P/N 02163G Teledyne API Model 300 CO Analyzer Instruction Manual - Page 60
CONTROL COMMANDS
Command Message
Meaning
”C ZERO<CRLF>”
Do a zero check
”C COMPUTE ZERO<CRLF>”
Calibrate Zero point
1
”C SPAN<CRLF>”
Do a span check
”C COMPUTE SPAN<CRLF>”
Calibrate Span point
1
”C ASEQ1<CRLF>”
Do a auto-cal sequence
2
”C ASEQ2<CRLF>”
Do a auto-cal sequence
2
”C ASEQ3<CRLF>”
Do a auto-cal sequence
2
”C ABORT<CRLF>”
Aborts auto-cal sequence
”C EXITZ<CRLF>”
Exit zero cal only
”C EXITS<CRLF>”
Exit span cal only
”C EXIT<CRLF>”
Exit zero span or hold
1
Executed only if the instrument is in the proper calibration mode and concentration
is within calibration limits. This command adjusts slope and offset values.
2
Initiated only If automatic calibration sequence setup is programmed and enabled.
TABLE 7.4
When a control command is issued, the CPU will respond by issuing a status report. For
example if the host computer issues the command
"C CALZ<CRLF>"
to do a zero check, the CPU will send the status report
"C DDD:HH:MM IIII START ZERO CALIBRATION<CRLF>"
to the RS-232 output.
7.4 Diagnostics
The diagnostics mode can be entered from the RS-232 port as well as from the front
panel. The diagnostics commands available are listed below.
NOTE
THE COMMANDS IN TABLE 7.4 CAN ONLY
BE ENTERED VIA THE RS-232 PORT WHEN
THE ANALYZER IS IN THE SAMPLE MODE.