INTRODUCTION
20
AV500/AV900 2D CAMERA
ital I/Os allow a micro-controller to detect and output logic states. Each digital I/O can
recognize one of the following:
Inputs
Tach
Trigger
Dual Zone
Generic
Outputs
Complete Read
Partial Read
Trigger On
Trigger Off
Multiple Read
No Read
TRIGGER, FOCUSING AND POSITION SENSOR DEVICES
There are several focusing device options available for the AV500/AV900 Camera, see
Chapter Five for details.
Photoelectric Sensor
The Datalogic Photoelectric Sensor is used in AV500/AV900 camera systems to detect
the presence of an item entering the scanning area.
The photoelectric sensor is used in singulated conv
eyor systems where the packages are
separated by an open space between the trailing edge of one package and the leading
edge of the next. In irregular package applications, the photoelectric sensor assists in
maintaining the package footprint so that the AV500/AV900 camera will only scan and
provide data for a specific package.
Depending on the application, these devices may need to be configured differently.
While the photoe
lectric sensor and tachometer work well with belt conveyors, a special
configuration is needed for tilt-tray and cross-belt sorter applications.
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