6-2 Initializing and Saving Data and Removing the Memory Card
6-2-2 Initializing or Saving the Alarm/Event History
This function initializes or saves the alarm/event histories saved in the PT.
Use this function when screen data has been changed, for initializing history data, or for sav-
ing history data in the Memory Card as a CSV file.
While the PT is running, the alarm/event histories continually check the status of bits regis-
tered as alarms/events and record the date, time, and number of times the bits turned
ON/OFF.
Up to 1,024 alarms/events can be recorded.
Reference • The alarm/event histories can also be initialized by turning ON $SB32 in system mem-
ory from the host.
• The alarm/event histories will be deleted when project data or system programs are
downloaded.
• The alarm/event histories can also be saved by turning ON $SB33 in system memory
from the host. Refer to 2-4 System Memory in the NS Series Programming Manual for
details.
Initialize or save alarm/event histories by using operations from the Initialize Tab Page in the
System Menu, as follows:
Initializing Alarm/Event Histories
1. Press the Initialize Button.
A confirmation message will be displayed. Press the Yes Button to initialize the data. Press the
No Button to cancel the initialize function.
2. When the PT has completed initializing the alarm/event histories, a dialog box will be displayed
indicating that the alarm/event histories have finished being initialized.
Saving Alarm/Event Histories
1. Press the Save Button. The Save Button will be lit yellow while data is being saved.
2. When the PT has completed saving the alarm/event histories, the Save Button will return
to its normal color.
A dialog box will be displayed indicating that the save has been finished.
6-11
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