a quick guide to the benefits of the SVS-VISTEK unique I/O concept for machine vision.
Reduce complexity and costs by getting rid of external components a bunch of cables.
Take a short journey aside a trigger signal. Being evaluated, inverted and converted to multiple signals. Pulses for exposure, LED strobes or to trigger the next camera.
7. IOMUX
Switch Matrix
Input to
» Debouncer to
› Pulseloop0 to
Output2 open drain
› Pulseloop1 to
•UART to
Output3 RS-232
8. by the way: Inverter and set-to-one
Before and after every IOMUX module
Invert signal
» Trigger interpretation can
also be inverted
Set signal to „1“
» Just turn the signal ON
» or turn it OFF by inverting it at the same time
9. Debouncer
Eliminates „ringing“
» Glitches: spikes, overshoots
1. Masking the input for a period of
time
2. Comparing the signal after the
period
11. by the way: high low trigger
Schmitt Trigger
Programmable values that
have to be crossed for a
trigger interpretation true
12. Sequencer
One trigger signal results in:
» Up to 16 intervals with individual:
› Total length
› Exposure time
› PWM frequency
› Up to four strobe outputs with individual
•Intensity
•duration
14. by the way: PWM
Pulse Width Modulation
Integrated in the Sequencer
regulate the intensity of an LED light
» Extend LED life cycle
Set base frequency period length
» for each sequencer interval
Set duty cycle Δ in %
» for each sequencer output
15. by the way: PWM
25 % intensity
50 % intensity
75 % intensity
23. SVCam I/O – Customer Benefits
Eliminates the need for an external controller
Simplifies cabling
Reduces costs
Rises value of ownership of an SVCam