5-6 Initialization/Setting Screen
5-17
Initializing and Saving the Alarm/Event History
This function is used to initialize or save the alarm/event histories saved in the NS-Runtime.
Use this function when screen data has been changed, to initialize history data, or to save
history data on a removable drive as a CSV file.
While the NS-Runtime is running, the alarm/event histories continually check the status of
bits registered as alarms/events and record the date, time, and number of times the bits
turned ON/OFF.
Up to 1,024 alarms can be recorded.
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The alarm/event histories can also be initialized by turning ON $SB32 in system memory from
the host.
The alarm/event histories can be deleted when project data is downloaded.
Always delete the histories when downloading the project data in the following cases:
1) when the alarm/event settings, data log settings, or any other settings related to the histories
have been changed or
2) when downloading a project that is different from the one currently in the NS-Runtime.
The alarm/event histories can also be saved by turning ON $SB33 in system memory from the
host. For details, refer to 2-4 System Memory in the NS Series Programming Manual.
Initialize or save alarm/event histories by using operations from the Initialize Tab Page as
follows.
Initializing Alarm/Event Histories
1. Click the Initialize Button next to the Alarm/Event History.
A confirmation message will be displayed. Click the Yes Button to initialize the data. Click
the
No Button to cancel the initialize function.
2. When the alarm/event history initialization has been completed, the following dialog box
will be displayed.
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