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7 Alarm Functions
7-1 Alarm
Functions
This product is equipped with a function for detecting various problems and errors and logging
the time and description of each event. An alarm output function is also provided to output a
contact point signal when an alarm occurs.
Note: Hereafter, alarm data recorded by the logging function is referred to as alarm log data.
Alarm Logging Functions
Timing for Logging
When an alarm event occurs
Logged
Malfunctions/Errors
Power supply interruptions, background measurement errors,
sensitivity adjustment errors, pump flowrate errors, laser errors,
dust unit communication errors, weather sensor communication
errors, heater errors, low button cell backup battery capacity
warnings, and depleted button cell backup battery capacity errors
Number of Log
Events
Max. 100 points
*1
Data Acquisition
Data is acquired via a USB or RS-485 connection
*2
*1 Default settings result in overwriting the oldest data after logging 100 data points. For
more details, refer to 9-2-9 Logging Mode Settings (page 62).
*2 For more information about USB and RS-485 communication, see 10 Communication
(page 72).
