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TS-2030EN/TS-2076EN Series Progressive Scan Cameras
Camera Features
If JPEG quality factor is high (above 85) and image contains complex detail information, the output file
size of JPEG encoding becomes larger. JPEG image size must be properly defined in “Storage Setup”
of JPEG. If the output file size exceeds the pr defined JPEG image size, the result JPEG image will not
contain the full resolution of the image. Please refer to Section 6.9, “Image Buffering,” on page 44).
For the TSC-2030EN/TSC-2076EN (color) model, the user should not deal only with the JPEG format
image, because this format will not retain detailed color pixel information.
Please refer to the “LC to EN Interface” document for details about the JPEG header.
6.8 Image Transfer
6.8.1 UDP Image Transfer on Setup Channel
The EN camera can send video images over TCP (message-based) on the control channel, or UDP
(sniffing mode) on the setup channel, or both. Image transfer over UDP is intended for live video
display to focus lens or for sniffing external triggers (HW TTL trigger, Ethernet Trigger, or RS485
Serial Trigger) without disturbing continuous normal operation with Lane Controller. The “Live” or
“Snap” buttons on the UDP setup channel do not send images to the FTP server or the lane controller on
TCP (message-based) image transfer. Half image and quarter images are supported only on the UDP
setup channel. The raw image format is the only one supported by the UDP setup channel; JPEG is not
supported.
UDP setup images are easy to enable and disable. The user can access the “EN Setup Trigger Source”
register (Address = 111) and “EN Setup Image size” register (Address = 112) to change the trigger
source and image size. Live image transfer can be slowed down by setting “EN Setup UDP Inter-Packet
Delay” register (Address = 110). It is important to note that when multiple host PCs (clients) connect to
the EN camera, only the last client who changes the “EN Setup Trigger Source” register or “EN Setup
Image size” register will receive the UDP setup image.
6.8.2 TCP Message-Based Image Transfer on the Control Channel
Image transfer over TCP is intended for more secure image transfer. Even if the packet is corrupt, the
TCP/IP mechanism automatically resends the missing/corrupt packets. Full size, Odd field, or Even
field images are supported and both raw TIF images and compressed JPEG images are supported on
TCP control channel.
Unlike the setup channel that can send only one uni-cast UDP image to a single client (host PC), the
control channel can send the identical image to multiple host PCs (clients) over TCP. However, the host
PC has to respond to “DATA_RDY” message that the EN camera sends when an external trigger is
input (HW TTL trigger, Ethernet trigger, or RS-485 trigger). If the host PC sends a “SEND_DATA”
message to the EN camera, then the EN camera sends TCP image (TIF, or JPEG, or both) over the
Control channel.
For detailed register and interface information, please refer to the “EN to LC Interface” document.
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