Summary of Contents for Advanced Illumination DCS-400E
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Photometric Stereo with the Ai DCS-400E Quad Controller User Guide...
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24 V DC Nominal, 4.5 A Vmin = 22 V DC Vmax = 48 V DC External Trigger Channel Control Input/Output DCS-400E: 4 Independent Channels, 1 Output 5 V, TTL Compatible DCS-800E: 8 Independent Channels, 2 Outputs Overtvoltage Protected, Safe up to 30 V DC...
A typical photometric stereo imaging application uses two or more channels of lighting to sequentially illuminate the target from different directions. The DCS-400E and DCS-800E allow up to 4 or 8 potential channels, respectively, which can be used in any combination of quadrants or colors, or even different light types.
5A Pulsed per Channel; 12.5W per Channel 5A Pulsed per Channel; 12.5W per Channel Pulse Width Range 30 μsec - 3600 msec Strobe Frequency Limit 2KHz Trigger Latency 30 μsec Typical Download the User Manual for the DCS-400E & DCS-800E here: https://www.advancedillumination.com/quad-controllers-manual Page 3...
Figure 1 - DCS-400E Standard Channel Settings, Single Event. If using DCS-800E, Channels 1-8 will be visible. Figure 2 - A Single Trigger Flashes each channel, with or without independent delay. Note: delay is not to scale with the channel settings shown in Figure 1.
(pulse delay, current, pulse width, etc.) associated with the receiving trigger. With the DCS-400E, each Event can include anywhere from 1-4 channels (DCS-800E includes 1-8 channels), with their respective settings (pulse delay, current, pulse width). For example, to set up a quadrant imaging application, the user should create x4 Events, one for each quadrant.
Connections Basic Camera to LC (Light Controller) Connections. Figure 5 - Camera Exposure Triggers LC Channels. Figure 6 - LC Triggered Externally, Frame-Start Triggers Camera Exposure. Camera Setup In the following examples, we are using a typical USB 3.0 camera with Matrox Design Assistant. The Quad Controllers are compatible with any camera and software combination that is capable of Photometric Stereo.
The full extent of using Matrox Design Assistant is beyond the scope of this User Guide. However, included in this document is a broad overview of how the DCS-400E Quad Controller and Ai lights work in conjunction with the Photometric Stereo library functions.
We independently control the quadrants of a DF198-115 MicroBrite Diffuse Ring Light with the DCS-400E Quad Controller to illuminate the threaded part from four directions. Figure 7 - Input images of the inspected threaded metallic part.
However, by using a DF198 MicroBrite Diffuse Ring Light with each of its four quadrants independently controlled with the DCS-400E Quad Controller, we are able to capture four images with illumination at the same angle of incidence, but from multiple directions.
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