4-input Frame Grabber | Model 611

Model 611 4-input Frame Grabber
  • Color or monochrome: PAL, SECAM, NTSC, RS-170 compatible
  • 4 composite video inputs or 3 composite and one S-video
  • 8 TTL I/O lines for camera control
  • Programmable AGC, hue, contrast, saturation
  • Optional enhanced SDK for Windows 98/2000/NT/XP/CE
  • Optional Linux and QNX drivers

Model 611 is a legacy product and is not recommended for new designs. Some of legacy products may be available but may have significant lead times and minimum order requirements. We recommend model 812 as a substitute for this product.

Description

Sensoray Model 611 frame grabber converts video camera signals into digital data required for computer image processing and display. Up to four cameras may be connected to the board: four with composite video or three with composite video and one with an S-video output. The 611 provides four digital input lines and four output lines to control camera focus, pan, tilt and triggering.

Typical application

611_app.gif

Frame Rate

Model 611 can transfer 30 frames per second with the supplied software. It supports a variety of digital formats including RGB24 and Y8 that are directly compatible with Windows bitmaps.

Synchronization

The Model 611 uses special circuitry to achieve horizontal and subcarrier synchronization to incoming video. It guarantees generation of the required pixel/line from a video source in which line length can vary by several microseconds. This circuitry allows the 611 adapter to quickly and accurately lock on to video signals, regardless of source. Since the technique is completely digital, the 611 can recognize unstable signals caused by VCR head switching and adapt the locking mechanism to accommodate the source.

Image scaling

Under software control the 611 adapter can independently scale the X and Y dimensions of the captured frame. Full-resolution video may be reduced to any size down to the size of an icon. A software selectable digital filter is available to minimize aliasing artifacts induced by scaling.

A/D Conversion

The 611’s signal processor uses two flash analog-to-digital converters; one for chrominance and one for luminance. Each A/D provides 2x oversampling of the camera signal. Oversampling, combined with analog anti-aliasing filters, significantly reduces the overall sensitivity to unwanted aliasing signals and enhances the 611’s digital filtering.

The 611 is capable of sending just the luminance data to the host’s image buffer. This feature speeds capturing monochrome images.

Camera Connections

Separate BNC-style and DIN connectors are used to preserve the high frequency components of the video signals. A male header connector is used for the non-critical control signals to the camera.

Application Notes

Pixel Jitter in Frame Grabbers | Frame Grabbers: FIFO vs. Memory Buffered

Software

The software development kit, SDK, includes a C-language sample program that allow capturing and saving color and monochrome images. It illustrates the 611’s scaling feature and shows how to call the included DLL from a C program. The supplied 32-bit DLL supports interrupts and multiple DMA buffers that may be scattered within the host’s memory. The DLL supports capture directly into video memory and graphic overlays when using Direct Draw (only supported with enhanced SDK). Linux, Windows CE and QNX are available.

An enhanced development kit, SDK11E, includes more sample applications. It supports Direct Draw and the ability to store a color and monochrome image. SDK11E is sold separately.

Specifications

Capture rate 30 frames/second (NTSC, RS-170, CCIR)
25 frames/second (PAL, SECAM)
A/D resolution 8 bits luminance
8 bits chrominance
FIFO size 560 bytes (280 pixels)
Output resolution 768 x 576 (PAL, SECAM)
640 x 480 (NTSC, RS-170)
Y bandwidth error 0.6 dB
Board size (W x H): 4.80 x 3.55 inches
Output format Several
Input power 5 V (at 330 mA)

Documentation

FileVersionDate M-D-YTypeSize
Manuals
611 Instruction Manual1.0.310-24-19PDF138 KB
Mechanical Drawings
611 Mechanical Drawing1.0.010-24-19PDF125 KB

Downloads

FileVersionDate M-D-YTypeSize
Windows 2000/XP Software Development Kit1.0.010-24-19ZIP973 KB
Updated Windows 2000/XP Driver Component10-24-19ZIP9 KB
Windows CE Software Development Kit1.0.010-24-19ZIP50 KB
Windows 2000/XP Enhanced Software Development Kit2.1.010-24-19ZIP1.02 MB
Linux Software Development Kit (for kernel 2.4)1.0.010-24-19ZIP170 KB
Linux Software Development Kit (for kernel 2.6)1.0.010-24-19ZIP19 KB
QNX Software Development Kit1.0.010-24-19ZIP68 KB
Other Operating Systems
Need a software development kit for another operating system? We can port our SDK to your OS
for a NRE fee or, with a volume commitment, at no additional cost. Contact Sales for details.

Pricing & Ordering

Model Description Qty 1 Qty 2-9 Order Qty.
6114-input Frame Grabber$151$138
Cables
610C3Cable, coax, BNC composite video, 1-meter$35$35
610C2Cable, S-Video (Y/C), 1-meter$51$51
Software
SDK11EEnhanced software kit$118$118

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