1. Compared with the area scan camera, the acquisition speed of the line scan camera is faster, the general line scan camera according to the different interfaces, he has a line frequency from 5K to 100K Hz, or even higher, because of his high line frequency, so the exposure time requirements are very short, often used with a bright line light source.
2. The line scan camera can achieve an uninterrupted acquisition and processing, such as teleportation, roller, etc., which can be continuously acquired. For scenes such as rollers, some bottle-body porcelain, etc., the field camera cannot collect an image, and the line scan camera can shoot around the body to get the whole image.
3. The line scan camera has a relatively large data volume, the line height of the line scan camera can theoretically be unlimited, then its data volume is larger than a frame of the area scan camera, like the camera Link interface camera, we can use it with the capture card.
4. The lateral field of view of the line scan camera is relatively wide, the lateral resolution of the area scan camera is generally very expensive when it reaches 6K, and the line scan camera can reach the resolution of 8K, 16K, 32K, so its lateral resolution is relatively wide, which is suitable for some high-precision detection.
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Cognex Barcode Scanner – Scanner FAQs
1. Problem description: LED is not on, no beep, no laser
Possible causes: The power supply of the scanner is not on, the scanner is not powered or the data cable interface is loose, and the contact is poor
Solution: Check the cable of the scanner to make sure that the power supply of the computer is normal, and the data cable is reconnected to the scanner.
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Cognex Vision Systems – The five design elements of a machine vision system
1. Stability of lighting
Industrial vision applications generally fall into four categories: positioning, measurement, inspection, and identification. Among them, the measurement requires the highest photostability, because as only 10-20% of the light changes, the measurement result can deviate by 1-2 pixels. It's not a software issue ...
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Reasons for Cognex scanner tuning failures
1. Scanning may be due to unclear barcode, wrinkles, reflections, angles and other problems of the product itself.
2. The connection of the barcode scanner does not meet the transmission specifications.
3. The interface of the barcode scanner or computer is loose.
4. The Bluetooth scanner cannot be connected to the computer normally.
...
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Cognex Vision Systems – The Direction and Benefits of Machine Vision
At this stage, there are four main directions in the field of machine vision, namely detection, measurement, positioning, and recognition, and visual recognition is only one part of it.
Normally, the machine vision recognition we are exposed to is mainly aimed at the following objects:
Detect barcodes or words ...
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How is a Cognex power supply wired?
1. Cognex power cord Load the power supply into the chassis
2. In the power cord, find the 24-pin cable for the motherboard.
3. In the motherboard, find the 24-pin power connector, insert the power cable into the motherboard, and pay attention to the position of the bayonet of the power cable.
4. In the power cord, find the power supply for the motherboard.
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An introduction to the Cognex DataMan 470 series fixed-mount barcode readers and their features
Summary: DataMan 470 Series fixed-mount barcode readers handle complex, high-throughput production and logistics use with ease. DataMan 470's multi-core processing capabilities, drawing skills, high-resolution sensors, advanced decoding algorithms, and simple settings provide maximum masking range.
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Cognex in factory automation
DataMan 470 Series fixed-mount barcode readers solve complex, high-throughput manufacturing and logistics applications with ease. DataMan 470's multi-core processing power, image technology, high-resolution sensor, advanced decoding algorithms, and simple setup provide maximum coverage, high ...
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Cognex launched CeMAT ASIA to deeply interpret the innovative development of intelligent identification
As a representative enterprise in the field of intelligent identification technology, Cognex has attracted much attention from the industry for its technological innovation and development.
At the 2021 CeMAT ASIA exhibition, which is a stage where hundreds of industry-leading technologies are contending, Cognex also brought several new high-reliability, cost-effective smart products.
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What happens when Cognex barcode reader software doesn't show up?
Fault 1: The scanner can't scan the barcode Solution: In this case, you must first understand whether you can scan the barcode but not upload it, or the laser but not scan the barcode. You can scan the barcode but do not upload to the computer is that the computer and the scanner are not connected well, if it is wired to check ...
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Features of Cognex DataMan ® 70 Series Fixed Mount Barcode Readers
The DataMan® 70 is a compact, fixed-mount barcode reader that delivers leading read rates for label-based 1D and 2D barcodes. With a high-end imaging system and a small footprint, the DataMan 70 is the ideal solution for indexing or high-speed manufacturing and logistics applications...
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Cognex barcode scanner scanning accuracy setting
interface and communication method settings.
How to set it up:
1. Interface selection
There are a variety of options for referring to the interface of the scanner, such as RS232, PC keyboard, etc. Some scanners must be set to RS232, if the parameters are messed up and change to keyboard mode, then set it anyway ...
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Cognex Vision Systems – What are the basic structures of a machine vision system?
A typical industrial machine vision system includes: light source, lens (fixed focal lens, zoom lens, telecentric lens, microscope lens), cameras (including CCD cameras and COMS cameras), image processing unit (or image capture card), image processing software, monitors, communication/transmission ...
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Cognex Barcode Readers – Barcode Reader Failures and How to Fix Them
After reading a barcode, the reader freezes
1) Because of the protection function of the barcode reader, if the read barcode data is transmitted incorrectly, it will automatically enter the protection state, thereby preventing data loss. If the data that has not been successfully transmitted is read, the reader can be reused.
...
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Cognex Barcode Readers—Ten Reasons Why You Should Choose an Image Barcode Reader
1. Read rate
The read rate is the most important way to measure a handheld computer. The read rate is the number of barcodes read divided by the total number of barcodes attempted to be read. It is usually expressed as a percentage, with the closer to 100% the better. That is, the read rate is a measure of how much the reader reads the application.
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Cognex: SIAF ended successfully, and it was a wonderful synchronous review
From March 3rd to 5th, 2022, the Guangzhou International Industrial Automation Technology and Equipment Exhibition (SIAF), the vane of the intelligent manufacturing industry in South China, was successfully held in Hall B of the Pazhou Complex of the China Import and Export Fair. Cognex brought a variety of heavyweight new products and solutions to the scene, including ViD ...
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Cognex Barcode Readers – How to repair barcode readers
After reading a barcode, the reader freezes
1) Because of the protection function of the barcode reader, if the read barcode data is transmitted incorrectly, it will automatically enter the protection state, thereby preventing data loss. If the data that has not been successfully transmitted is read, the reader can be reused.
...
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Cognex Barcode Readers – Common Causes of Barcode Reader Failures and How to Troubleshoot Them
Hardware failure 1: After reading a barcode, the reader crashes
Exclusion Tests:
1) Because of the protection function of the barcode reader, if the read barcode data is transmitted incorrectly, it will automatically enter the protection state, thereby preventing data loss. If you read the data that has not been successfully transmitted...
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Cognex introduces a new generation of high-performance handheld barcode readers
Cognex Corporation, one of the world's leaders in industrial machine vision, today announced the DataMan® 8700 series of handheld barcode readers. Built on a completely redesigned platform, this next-generation handheld barcode reader delivers cutting-edge performance and a high degree of ease of use without ...
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Cognex Vision Systems – What are the key points to choose a line scan vision system?
1. Selection of line scan industrial cameras
Step 1: Calculate the resolution. The width of the object to be inspected (perpendicular to the direction of motion) is divided by the minimum detection accuracy to obtain the required pixel value for each row.
Step 2: Calculate the actual accuracy. Select the camera based on the pixel values above. Then use the ...
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How to connect the Cognex 152x barcode reader to a computer
1. First of all, Cognex's barcode scanner needs to go to the official website to download Dataman's special configuration software
2. The following configurations are mainly made in the configuration software: focal length, communication settings (including serial port baud rate, etc.), data format of scanning code, trigger mode, etc. If you don't, ...
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