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Chapter 5
Alarms and Events
5-12
©
National Instruments Corporation
How Do You Log Alarms and Events?
Events are logged in ASCII files named in the format
YYMMDDHHMM.evt
using the timestamp of the first point to be logged.
YY
is the year,
MM
is the
Table 5-2.
Event Configuration, Log, and Print Format Selections
Selection
Description
Date
Determines whether the date is logged or printed.
Date Format
A menu ring that allows you to pick a format for the date to be printed. This
selection is valid only if Date is selected. The menu items are:
MM/DD/YYYY
and
DD/MM/YYYY
.
Time
Determines whether the time is logged or printed.
Time Format
Determines the format for the time logged or printed. This selection is valid
only if Time is selected. The menu items are:
AM/PM
and
24 HOUR
.
Tag Name
Determines whether the tag name is logged or printed.
Tag Name Field
Length
Determines the maximum number of characters for the tag name.
This selection is valid only if Tag Name is checked.
Event Type
Determines whether the event name is logged or printed.
Group Name
Determines whether the group name is logged or printed.
Group Name Field
Length
Determines the maximum number of characters for the group name.
This selection is valid only if Group Name is checked.
Alarm Value
Determines whether the alarm value is logged or printed.
Alarm State
Determines whether the alarm state is logged or printed.
Alarm Ack State
Determines whether the alarm acknowledge state is logged or printed.
Alarm Priority
Determines whether the alarm priority is logged or printed.
Alarm Limit
Determines whether the alarm limit is logged or printed.
Operator Name
Determines whether the name of the current operator is logged or printed.
Operator Name
Field Length
Determines the maximum number of characters for the operator name.
This selection is valid only if Operator Name is checked.
Alarm Message
Determines whether the alarm message is logged or printed.
Alarm Message
Field Length
Determines the maximum number of characters for the alarm message.
This selection is valid only if Alarm Message is checked.