User`s guide

Retrieving Event Information
Field Name Description
AbsTime
Absolute time the event occurred, returned in
MATLAB
clock format
[year month day hour minut e seconds]
FrameMemoryLimit
Amount of memory allotted for frame storage. You can
specify this value using the
imaqmem function.
FrameMemoryUsed
Amount of frame memory that is currently in use
Message
Text message associated with the error
MessageID
MATLAB message identifier asso ciated with the error
Data Fields for Timer Events
For time r ev ents, the Data structure contains these fields.
Field Name Description
AbsTime
Absolute time the event occurred, returned in MATLAB
clock format
[year month day hour minut e seconds]
FrameMemoryLimit
Amount of memory allotted for frame storage. You can
specify this value using the
imaqmem function.
FrameMemoryUsed
Amount of frame memory that is curre ntly in use
Example: Accessing Data in the Event Log
Whileavideoinputobjectisrunning,the toolbox stores event informatio n in
the object’s
EventLog property. The value of this property is an array of event
structures. Each structure represents one event. For detailed information
about the composition of an event structure for each type of event, see “Event
Structures” on page 7-7.
7-9