30 AWT420 | UNIVERSAL 4-WIRE, DUAL-INPUT TRANSMITTER | OI/AWT420-EN REV. B
…9 Operation
Log mode
Log mode pages display logged information in the sequence
it occurred.
Log mode pages comprise:
• Calibration Logs: a history of calibration routines.
One log is provided for each sensor and is displayed only
if the sensor is fitted. Each log can store 15 entries that
are displayed in date order.
• Alarm Log: a history of alarm events.
• Audit Log: a history of analyzer activity.
• Diagnostics Log: a history of diagnostic events.
Alarm Log or Calibration Log
Figure 27 Log page example (Audit Log shown)
Log entries
Example Calibration Log entries with descriptions are shown in
Table 2. Example Audit Log entries together with a description
are shown in Table 3. The Diagnostics Log shows the history of
diagnostic messages that have been displayed in the
Diagnostic View page <?>.
Log entry Description
Cal Failed Calibration procedure failed due to low slope or sample
temperature error.
Cal Aborted Calibration aborted manually by the user.
Cal Missed Note. Sensor-type specific.
Table 2 Calibration Log entries
Log entry Description
Power Failure Power to the transmitter is lost.
Power Recovery Transmitter restarted after a power loss.
In Config. User in Advanced/Configuration mode.
Changed
User has changed date/time.
Time changed due to daylight saving.
Table 3 Audit Log entries
01
02
03
04
CAL
04-09-2019
10:03:25
03:09:19
23:06:19
15:05:19
08:04:19
22:03:24
14:17:03
02:21:54
11:08:31
Au dit Lo g
Power Failure
Power Recovery
Power Failure
Power Recovery
Event date
Event time
Event
description
Alarm number/
occurrence order
Log icon
No. Event Date Time
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