BST CCD CAM 100 User Manual

9
Operation
138/198 CCD CAM 100 – Installation and Operating Manual
The following conditions must be met so that a contrast transition
is detected as edge.
■ The video curve must run through both trigger thresholds at
the contrast transition.
■ At first the video curve must run through the first trigger
threshold (yellow line).
Example 1 Example 2 Example 3 Example 4
Edge
is
detected
Edge
is not
detected
Edge
is not
detected
Edge
is not
detected
1st trigger threshold
(yellow line)
2nd trigger threshold
(orange line)
Fig.80: Examples for the edge detection
Example Conditions for the Edge Detection Result
The video curve
runs through both
trigger thresholds
At first the video
curve runs through
the first (yellow)
trigger threshold
1
Edge
detected
2
Edge
not detected
3
Edge
not detected
4
Edge
not detected
Defining the trigger thresholds
1. Select the desired trigger threshold by pressing the respective
button.
The button selected is represented dark blue.
2. Move the trigger threshold selected to the desired position
using the arrow buttons.
The trigger value set is displayed in the button symbol.

BST CCD CAM 100 Specifications

General

Brand	BST
Model	CCD CAM 100
Category	Accessories
Language	English