March 23, 2019, 09:17:32 AM
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 Interfacing with a Cognex camera

Author Topic:  Interfacing with a Cognex camera  (Read 555 times)

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January 07, 2019, 04:16:05 PM
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Racermike123


Does anyone have experience interfacing directly with a Cognex camera or barcode reader?
I have an R30iB+ Mate. I am looking into what type of data I may be able to read, store, and send to a PLC.
Basically I need to read the code, determine the location of the code, calculate an offset to print another code next to the original, and then send the code to a PLC.
We are replacing an Adept with an LR Mate and the Adept is currently doing all of these operations.

Today at 09:17:32 AM
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January 10, 2019, 01:18:31 AM
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Skooter


Is the camera fixed or mounted on the robot?

January 10, 2019, 01:22:54 PM
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Racermike123


It's fixed. I got an answer from Cognex. The robot needs the option, Ethernet/IP Scanner. You can then configure digital Inputs and outputs and group inputs.

January 10, 2019, 06:30:01 PM
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DaveP


I have a few robots with Ethernet/IP connected to Cognex cameras.  It has pretty limited capability compared to a serial interface or using Karel.  My application is very basic so I'm triggering the camera with EIP and then using the CIO-Micro to read the discrete outputs from the camera.  I didn't spend much time getting specific X, Y, Angle data out of the camera.  The attachment shows the DIO configuration that matches the EIP config in the Cognex camera and the EIP config in the robot.

January 12, 2019, 09:45:51 AM
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prasolet


Hello,
I've successfully used Cognex 7000 Series camera with profinet molex card (fanuc robot was master). We've used profinet because our whole system in that project was profinet-based. If you install Cognex insight explorer (camera config software downloadable for free online), there is a chapter in help documentation describing camera communication with Fanuc and other robot manufacturers.

January 13, 2019, 11:58:47 PM
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Racermike123


Thanks DaveP and prasolet. The CIO Micro is not an option because I need more than 8 outputs.
I ordered th aoption from Fanuc and I plan to set it up next week if I have time. I'll post the results.

January 14, 2019, 05:38:34 PM
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RobotWizard0216



I have used socket messaging, then communicate with the cognex via serial. Then have karel write the offsets to the registers.

Today at 09:17:32 AM
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