Calibration Commands And Messages; Table 6-12: Rs-232 C - Teledyne 6400A Instruction Manual

Sulfur dioxide analyzer
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TAI Model 6400A SO
Whenever a warning message is reported on the analyzer display, if the RS-232 interface is in
the normal mode (i.e. not in quiet mode) the warning message is also sent to the RS-232
interface. These messages are helpful when trying to track down a problem with the analyzer and
for determining whether or not the DAS reports are actually valid. The warning message format
is for example:
W 194:11:03 0000 SAMPLE FLOW WARNING
The format of a warning command is W command. Examples of warning commands are:
W LIST
W CLEAR ALL
Individual warnings may be cleared via the front panel or the command line interface. To clear the
sample flow warning shown above the command would be:
W WSAMPFLOW

6.8.5 CALIBRATION Commands and Messages

Table 6-12: RS-232 Calibration Messages
Message
START ZERO CALIBRATION
FINISH ZERO CALIBRATION, SO
START SPAN CALIBRATION
FINISH SPAN CALIBRATION, SO
START MULTI-POINT CALIBRATION
FINISH MULTI-POINT CALIBRATION
1
Depends on which units are currently selected.
Whenever the analyzer starts or finishes an IZS calibration, it issues a status report to the RS-232
interface. If the RS-232 interface is in the normal mode, these reports will be sent. Otherwise,
they will be discarded. The format of these messages is:
C DDD:HH:MM IIII CALIBRATION STATUS MESSAGE
Analyzer Operator Manual, 02164, Rev. G
2
List all current warnings
Clear all current Warnings
1
=xxxxx PPB
2
1
=xxxxx PPB
2
6-19
Description
Beginning IZS zero calibration
Finished IZS zero calibration
Beginning IZS span calibration
Finished IZS span calibration
Beginning multi-point calibration
Finished multi-point calibration

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