Trigger Mode
The
Trigger Mode
drop-down menu displays both the name for a given trigger mode and additional information in
parentheses. There are four trigger modes for the sensor:
•
External (White Wire)
—In External trigger mode the sensor waits for a discrete input signal to arrive via the
dedicated trigger input wire. The trigger is defined as the rising edge of a PNP signal. The software
Trigger
button also provides a sensor trigger while in this mode.
•
Internal (Periodic)
—In Internal trigger mode the sensor triggers at a user-defined Trigger Interval (from 200
milliseconds to 10,000 milliseconds). The software
Trigger
button also provides a sensor trigger while in this
mode. In this mode, it is possible to provide triggers at a rate faster than the sensor can act on them. See the
missed trigger count value available via an industrial protocol connection.
•
Free Run
—In Free Run trigger mode the sensor triggers as fast as possible. When a software connection is
present, after one image is taken and transmitted to the software, the sensor moves immediately to take the
next. When no connection is present, the sensor uses a 125 millisecond delay between triggers to simulate
the image transfer time delays and avoid overheating.
•
Software (Protocols)
—In Software trigger mode the sensor is triggered by via an industrial protocols
connection. The Banner 3D Configuration software
Trigger
button also provides a sensor trigger while in this
mode.
Trigger Period
The time between each trigger. Use the slider or enter the desired trigger period in milliseconds. Available for
Internal (Periodic)
trigger modes.
Illumination Power
Control the illumination power of the sensor. Targets that are dark or farther away require higher illumination power.
Use the slider or enter the desired power as a percentage. The default is 40%.
Discrete IO Polarity
Select
•
PNP
•
NPN
•
Push-Pull
Sensor Mounting
Adjust the view of the sensor using the following controls.
Pitch
—Adjust the up-and-down view of the sensor. The view (angle) setting is in degrees.
Roll
—Adjust the view of the sensor along the longitudinal axis. The view (angle) setting is in degrees.
Yaw
—Adjust the side-to-side view of the sensor. The view (angle) setting is in degrees.
Figure 14. Pitch, Roll, Yaw Diagram
Yaw
Roll
Pitch
ZMX Series 3D Time of Flight Sensor
14
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