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42

43

x5

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3

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4

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2

Changing Lenses

To remove the Checker lens, follow the 

steps listed below 

Note:

 Failure to follow these 

instructions can cause damage to your 

Checker 

1

Unscrew lens cover  Lens 

is secured to lens cover by 

small internal O-ring 

2

When lens is fully released, 

remove cover with lens in 

place 

3

Remove lens from lens cover  

Take care not to lose O-ring 

that secures lens to lens 

cover 

To install the Checker lens, follow the 

steps listed below 

Note:

 Failure to follow these 

instructions can cause damage to your 

Checker 

1

Screw lens into Checker at 

least five full rotations.

2

Make sure both outer and 

inner O-rings are seated in 

place on the lens cover 

3

Firmly and evenly press the 

lens cover onto Checker 

until it snaps into place 

4

Screw in the lens cover to 

bring Checker into focus 

Summary of Contents for Checker 3G Series

Page 1: ...COGNEX Checker 3G Series User s Guide...

Page 2: ...g Lenses 42 Mounting Checker 44 Specifications 46 Precautions 47 Table of Contents What is Checker 3G and what does it do Checker 3G is a programmable vision sensor that verifies the presence and appe...

Page 3: ...View Teach Pendant SV 350 001 Standalone control panel that lets you configure manage and monitor a Checker 3G sensor Lens Kit CKR 200 LENSKIT Set of 3 6mm 8mm 16mm and 25mm lenses that provide expand...

Page 4: ...ensions and Features 1 Mounting holes M4 x 4 mm 2 Focus lock M3 use 2 5 mm hex key 3 Lens cover focus ring 4 Status LED GREEN On Run mode Slow blink Setup Mode Fast blink Internal error 5 Part detect...

Page 5: ...s are lit 4 Connect Checker 3G to SensorView Teach Pendant or PC Connect Checker 3G to SensorView Teach Pendant using USB cable use either USB port on SensorView Teach Pendant Connect Checker 3G to PC...

Page 6: ...erify Checker is Working Teach Pendant Verify Checker is Working PC SensorView should display the Setup mode home screen as shown here The PC software should automatically connect to Checker 3G and di...

Page 7: ...name changes to Yes 4 Main Menu or Back softkey In most contexts this key returns to the previous screen If you are at a top level screen it opens the Main Menu If Checker is asking for input this key...

Page 8: ...4 For each Checker step instructions about what to do next are displayed here 5 Control pane The controls and information for each Checker step are displayed here 6 Filmstrip recording controls Video...

Page 9: ...inspected Checker supports three trigger types Choosing a Trigger Type You set the trigger type in the Start Select Trigger step on SensorView Teach Pendant or the Select Part Trigger step on the PC I...

Page 10: ...in fixed positions If you use a Part Finding Sensor then the Part Finding Sensor must detect a part in an image before Checker will check it In all cases if a Part Finding Sensor is used then Checker...

Page 11: ...ce between good and bad parts 1 Brightness Sensor Use when the feature of a good part is much lighter or much darker than the same feature of a bad part 2 Contrast Sensor Use when the feature of a goo...

Page 12: ...ar Click and drag here to reposition the sensor 2 Blades Click and drag here to select different feature edges 3 Width and Height Sensor Region Set the region for the feature Use this to exclude featu...

Page 13: ...he caliper blades while diameter sensors measure the strongest edges You can select a different rule for edge selection using the Search For rule Closest The sensor uses the edges that are closest in...

Page 14: ...rol dialog box each Job slot from 0 through 7 has a menu that you use to specify the Job You can specify the same Job for multiple slots To load a Job from a Job slot while Checker is in Run mode you...

Page 15: ...the Sensor when an External Retrain signal is received Sensors can be retrained in both Setup mode and in Run mode In Setup mode can manually signal an External Retrain by clicking Main Menu External...

Page 16: ...play itself includes the words Display Frozen To restart live display click on the Live button Run Time Recording Run Time Recording lets Checker record and save specific images while it is running ev...

Page 17: ...r more images to the Filmstrip 3 Filmstrip display Click on an image to view it Blue bars separate images of a single detected part in Internal Part Trigger mode 4 Filmstrip clear load and save contro...

Page 18: ...uter buttons to advance or rewind by a single part 7 Filmstrip clear load and save controls 8 Information button Hover the cursor here to view information about the selected Filmstrip image 9 Video mo...

Page 19: ...Pin numbers for male connector on Checker 3G are shown When wiring Checker 3G observe the following precautions Use a listed power supply with an output rated 24 VDC at least 250 mA and marked Class 2...

Page 20: ...rom PLC Checker sources current and Ouput to PLC Checker sinks current Stack light Checker sinks current 24 VDC POWER IN RED 24 VDC POWER IN RED 24 VDC POWER IN RED TRIGGER ORANGE OUTPUT 0 BLUE OUTPUT...

Page 21: ...cker can see at that distance As the working distance increases so does the size of the field of view These charts show the field of view provided by the standard 5 8mm lens at various working distanc...

Page 22: ...in place 3 Remove lens from lens cover Take care not to lose O ring that secures lens to lens cover To install the Checker lens follow the steps listed below Note Failure to follow these instructions...

Page 23: ...g hole can damage Checker Caution The maximum torque for a mounting screw is 1 8 nM 16 inch pounds X X Exceeding this torque value can damage Checker Mounting Checker at a slight angle can reduce refl...

Page 24: ...PC and the Checker chassis ground An IP67 compliant plug or cable must be fitted to the USB connector for Checker to meet the IP67 protection standard Do not install Checker in locations that expose i...

Page 25: ...COGNEX 590 7096...

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