Keyence Launches CV-5000 Machine Vision System

Keyence UK has announced the launch of the CV-5000 series machine vision system, which has a range of camera options available. These include a 310,000 pixel (4.7ms transfer speed), two-million pixel (29.2ms transfer speed) and a five-million pixel camera that transfers ultra-high-definition 2,432 x 2,050 pixel images in 61.2ms (16.3 transfers/sec). Inspection tool upgrades include a real-time shade-correction image filter, profile defect detection for irregular shapes, and an expanded colour extraction engine.

Complete lighting control enables simultaneous use of up to eight LED light sources without separate wiring or PLC programming. The CV-5000 machine vision system includes: a range of high-speed colour and monochrome cameras; expandable controller architecture; ultra-high-speed processing; new colour extraction engine, ACE II; defect detection solutions; statistical processing; communication software; and multiple interface options. Users can select the optimum camera for their application from an extensive line-up of five-million pixel, two-million pixel, and ultra-compact cameras.

Each camera type is available in colour or monochrome models. The CV-5000 series can simultaneously run up to four different camera types, making multi-camera applications more cost-efficient. This architecture allows users to increase the flexibility of their systems using expansion units, which includes the camera expansion unit and the light control expansion unit. By limiting the functionality to the essentials, users can meet their requirements, reduce costs, and still maintain the flexibility to upgrade in the future. The CV-5000 series models are driven by a high-speed colour image-processing engine.

The high-speed RISC (Reduced Instruction Set Computer) CPU is supplemented by two DSPs (Digital Signal Processors) designed specifically for image processing. All CV-5000 series models use four processors. The CV-5000 series models are equipped with a new colour extraction engine. The ACE II (Advanced Colour extraction Engine II) uses the HSB colour model (closest colour model to the human sensory system) to attain high colour-extraction performance that stabilises previously unstable colour-processing schemes. CV-5000 series models also feature 'fine colour processing' to extract colour information exactly the way the camera captures it.

This technology broadens the range of colour-processing applications previously accomplished by machine vision systems. Several algorithms have been added to detect foreign objects or burrs on irregularly shaped profiles. These algorithms also filter out glare or other background noise so that only the flaws are emphasised. The Statistical Processing Function enables the user to store up to 20,000 points of measurement data in the internal memory of the unit and easily check the maximum value, minimum value, average value, standard deviation, NG count, and yield, all without having to connect to an external PC.

This function also enables the user to display trend graphs and histograms and make on-the-fly changes to limits based on the results of the gathered data. Up to 1,024 previously captured images can also be accessed directly on the graph. The five-million pixel, high-speed camera transfers ultra-high-definition, five megapixel images (2,432 x 2,050 pixels) in 61.2ms (16.3 times/sec). High-speed production lines can now harness the benefits of high-precision image processing. The CV-5000 series accepts up to four five-million-pixel cameras and transfers the images simultaneously, enabling high-definition inspections of up to 20-million pixels.

The CV-5000 series allows simultaneous use of several different cameras selectable from a line-up of 14 different models. Users can select and combine the cameras best suited to the detection task, such as using a monochrome camera on camera one and a colour camera on camera two. Up to four cameras can be connected by adding the camera expansion unit. The system runs all four cameras simultaneously (acquisition and processing), including the data-intensive five-million pixel colour camera. The multi-camera system provides users with a flexible upgrade path to cope with future additions or changes in their inspection needs. The Trend Edge Stain tool detects edges at user-specified distances within the inspection area, and outputs the max, min, and average of all the data from each measured point.

Previously, this required multiple windows and calculation settings, but now the same inspection can be done by configuring a single inspection setting. The measurements obtained can also be used to draw approximated lines and virtual circles. CV-H5N is dedicated data acquisition software for CV-5001/5501/5701 with optional PC Simulator function Measurement values collected on the CV controller can be output via RS232, Ethernet, or USB. The acquired data can be simultaneously displayed and saved onto an external hard drive. Captured images that are transferred to a PC can be sorted by their OK/NG status based on the measurement results.

The images are then displayed in real time and saved to a specified folder. Programs created on the CV controller can be easily transferred and saved on a PC. If the contents of the controller get erased, the saved files can be quickly reloaded to the vision system, reducing downtime. If record-keeping is essential, all program properties and settings can be output to an Excel spreadsheet and saved for future reference. A time-based data log can be set to collect data from various shifts or product runs.

Specific pieces of measurement data can also be tied to the corresponding image that was saved on the PC for easy reference. Data can also be output to a pre-existing Excel spreadsheet, making the CV data simple to integrate into existing reports. There are two available slots for SD cards. With a total capacity of 8GB, a large amount of configuration files and failed screen data can be saved at high speeds USB 2.0 allows for quick transfer of image data and settings from a PC. No setup necessary as it is ready-to-use on site.

This connector is for the illumination control expansion unit CA-DC20E. The camera cable connection is recessed to minimise dead space when mounted inside control cabinets. RS-232C communication enables a PLC link with PLCs made by other manufacturers. Communicates directly with PLC data memory without additional ladder programs. EIP communication is enabled through the Ethernet port so that data can easily be sent to Rockwell PLCs, or other EIP devices.

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