
Appendix D. Output Tables
TABLE D-5. Variables of the
TimeInfo Table
Name Units
CalOmitCounts(3)
CalOmitCounts(4)
CalOmitCounts(5)
CalOmitCounts(6)
CalOmitCounts(7)
CalOmitCounts(8)
Message_log
The message_log table contains a history of events, and is intended as a
troubleshooting tool. A record is written to this table when a predefined event
occurs, including:
• Starting/stopping the valve sequence
• Sending a command to the IRGA (configuration, zero, or span)
• Error messages related to IRGA commands
• Acknowledgement from the IRGA for these commands
• Changing the value of a system configuration variable
In normal operation, each calibration sequence with AUTO_ZEROSPAN
enabled will generate six records: send and acknowledge for each of the CO
2
zero, H
2
O zero, and CO
2
span commands. The memory card has space
allocated for 28,800 records (100 days with a calibration sequence every 30
min). The CPU has space allocated for 288 records.
The message_log table also includes several values to document the state of
the AP200 in case of trouble.
the message_log Table
D-12
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