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Full-Featured Base Or Lite Camera Link Frame Grabber

Euresys - GRABLINK BASE View Larger Image (in new window)

Euresys : GRABLINK BASE

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The Grablink Full, Grablink DualBase and Grablink Base are state-of-the-art Camera Link frame grabbers representing a complete and competitive offer for machine vision systems. These new Grablink boards are particularly well-balanced in term of features offering on-board processing, such as LUTs and a Bayer CFA decoder. Moreover, these frame grabbers feature a new rich set of I/O lines particularly compatible with a wide range of sensors and encoders.

The application software can use the Camera Link API functions to control the camera. Alternatively, the serial line can be configured as an additional PC COM port ensuring interoperability with existing camera control software.

The Grablink acquisition boards support various area-scan and line-scan acquisition modes, which make them easy to integrate into various types of applications.

The GRABLINK-Base boards are able to precisely control the cameras.

For area-scan applications, this includes asynchronous reset as well as exposure control. The asynchronous reset allows the application to precisely control the instant of the image capture. Of course, synchronous operation modes are also supported.

For line-scan cameras, this includes the control of the line rate and of the exposure. Free-running modes are also supported.

When the part is in front of the camera, a signal, called Trigger, is generated and sent to the Grablink to start the acquisition. This external signal is generated by any type of external hardware device, such as a sensor, which is connected to one of the input lines of the Grablink boards. A "software" trigger signal may also be generated by the host application.

When the speed of the web or part to be inspected is not constant, it is important to properly synchronize the camera line rate with the motion of the object, or this can lead to distortion or non-uniform pixel aspect ratio in the image. This can be done using an incremental motion encoder. In this mode, the Grablink frame grabber controls the camera scanning rate based on the data received from the motion encoder.

Quadrature motion encoders use two signals (or phases), called A and B (cf. illustration above), that the Grablink board can interpret to know in which direction (forward or backward) the part is moving.

The GRABLINKBase boards incorporate a unique device called the rate converter, which works along with the motion encoder. The rate converter allows the camera to acquire lines at any programmable resolution lower or higher than the resolution of the motion encoder. This gives the designer incredible freedom and flexibility during the development of the application.

The rate divider allows the camera to acquire lines at a resolution lower than the resolution of the motion encoder. The rate divider divides the incoming encoder signal by a programmable integer.

The Grablink acquisition boards are capable of consistently controlling the sensitivity or exposure time of the camera.

When the speed of the web or the object to inspect is constant, the Grablink can drive the line scan camera at a constant line rate generated from its programmable internal periodic generator.

The Grablink series is a range of high-speed PCI, PCI Express and Compact PCI frame grabbers for line-scan or area-scan digital Camera Link cameras. State-of-the-art cameras are easily connected with off-the-shelf Camera Link compliant cables. The Grablink series is ideal for industrial applications such as inspection of high-speed moving objects, web inspection or high-resolution acquisition.

Gray Scale
Area scan
Line scan
Support of 10-tap, Full, Medium, Base and Lite Camera Link© Configuration Cameras
On-Board Processing
Digital I/O Lines Compatible with a Wide Range of Sensors and Encoders
Flexible and Reliable Area-scan Acquisition Modes
High-Performance Line-Scan Acquisition Modes
Quadrature Motion Encoder Support
Form factor x1 PCI Express, Low profile, half length
Camera Link configuration Base
Max pixel-clock frequency 24 bits @ 85MHz
Color RGB and Bayer
Delivery bandwidth Up to 200 MB/s
On-board memory 64 MB
Pre-processing Input images = 8-bit, 10-bit or 12-bit, Pre-proccessing functions: 3 LUT operators, Bayer CFA decoder, Pixel formatting, Image reconstruction
I/O electrical style Isolated current-sense inputs for a wide voltage input range up to 30V - trigger and general purpose = 4, Isolated contact output - strobe and general purpose = 4, High-speed differential inputs - quadrature encoder and general purpose = 2, 5V power output with electronic fuse protection, 12V power output with electronic fuse protection
ECCO Extended Camera Link Cable Operation


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Prices and specifications subject to change without notice.