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Machine Vision Using Ethernet Powerlink
5/30/2013

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With the vision camera interfaced directly to an Ethernet POWERLINK network, systems are able to effectively manage both cyclical data for high-speed operation and asynchronous communications for increased application flexibility. Use of multi-channel TCP/IP communications simplifies non-real-time transfers.   (Source: Cognex)
With the vision camera interfaced directly to an Ethernet POWERLINK network, systems are able to effectively manage both cyclical data for high-speed operation and asynchronous communications for increased application flexibility. Use of multi-channel TCP/IP communications simplifies non-real-time transfers.
(Source: Cognex)

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Ann R. Thryft
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Good to see this advance
Ann R. Thryft   5/30/2013 1:12:16 PM
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Al thanks for covering this topic and this particular advance. I'm not surprised Cognex is at the forefront; their engineers (and management) tend to think about systems and networks, not just cameras.



a.saji
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Re: Good to see this advance
a.saji   5/31/2013 1:11:26 AM
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@Ann: Indeed since for cameras to function you need the back up support of network and systems too. So they can do well if they focus on those areas too since the demand goes hand in hand.

Ann R. Thryft
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Re: Good to see this advance
Ann R. Thryft   5/31/2013 12:26:40 PM
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a.saji, I used to cover machine vision for another publication, and noticed that Cognex was one of the few camera makes who seemed to consider more than just the camera and what it's immediately attached to. That said, I've also heard complaints like Jim_E's about their barcode readers.



far911
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Re: Good to see this advance
far911   5/31/2013 3:11:53 PM
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@a.saji - Cognex is indeed more than just a camera. Once you get into it, you realize that snapping photos is just barely scratching the surface. There's plenty of more stuff to that. 

Pubudu
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Re: Good to see this advance
Pubudu   5/31/2013 3:37:28 PM
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True Far99, I am thinking of the things that can be done through this tech in the healthcare industry. 

Ann R. Thryft
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Re: Good to see this advance
Ann R. Thryft   5/31/2013 4:37:55 PM
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Cognex also used to be known for its vision software--is that still true?

a.saji
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Re: Good to see this advance
a.saji   6/29/2013 10:26:31 AM
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@Ann: Have you tried that barcode reader ?  

Ann R. Thryft
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Re: Good to see this advance
Ann R. Thryft   7/1/2013 11:56:42 AM
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a.saji, as I said, I heard complaints about those readers when writing about another, somewhat related, product, their vision sensors. I haven't personally used them.

Jim_E
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Cognex
Jim_E   5/31/2013 8:43:15 AM
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I have to hand it to Cognex, especially the marketing department as they really know how to brag about their products.  I've used Cognex cameras with great success for image analysis and their software is first rate.  Very easy to setup for pattern detection and other stuff.  

That said, their barcode reading isn't that great, regardless what they ads might say.   We had them come in and demo a system and it was going to take four of their expensive cameras to cover the field of view to read what we needed, and they still had some problems.   I'd trust a more experienced barcode reading company for serious barcode reading.  (I used to work for one, so I feel justified in saying this....)

And, I wish that they wouldn't email me so many stinkin' ads.  I get more marketing emails from Cognex than any other controls related company!

 

apresher
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Machine Vision
apresher   6/4/2013 3:32:43 PM
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Ann, Cognex is still known for its vision software and provide complete vision systems (hardware and software) for a variety of specific machine vision related applications.

Ann R. Thryft
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Re: Machine Vision
Ann R. Thryft   7/1/2013 11:57:54 AM
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Al, thanks for the reply. The company was started by some really interesting, smart people, so I suspect they'll be a leader for some time to come.

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