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COGNEX

COGNEX

24 VDC

+

24 VDC

+

24 VDC

+

Checker 3G Products and Accessories                                                          4

Dimensions and Features                                                                               6

Getting Started                                                                                                8

Verify Checker is Working -- Teach Pendant                                                  10

Verify Checker is Working -- PC                                                                     11

Checker User Interface -- Teach Pendant                                                      12

Checker User Interface -- PC                                                                         14

Checker Part Triggers                                                                                    16

Part Finding Sensor                                                                                       18

Presence Sensors                                                                                          20

Measurement Sensors                                                                                   22

Advanced Measurement Sensor Features                                                    24

Job Control                                                                                                     26

External Retrain                                                                                             28

Run Time Display                                                                                           30

Run Time Recording                                                                                      31

Filmstrip Control -- SensorView                                                                     32

Filmstrip Control -- PC                                                                                   34

Input/Output Wiring                                                                                        36

Circuit Diagrams (Typical)                                                                              37

Input/Output Wiring Examples                                                                       38

Working Distance and Field of View                                                              40

Adjusting Focus                                                                                             41

Changing 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 

appearance of objects  

You configure Checker 3G by creating 

one or more 

Jobs

 using a SensorView 

Teach Pendant or a PC connected to 

the Checker 3G’s USB port 
Checker’s One-Click™ sensors let 

you check the presence, absence, 

appearance, and size of part features 

with a single click

OR

OR

Once configured, Checker 3G is placed in 

Run Mode

  In 

Run mode Checker 3G automatically detects and inspects 

parts, drawing power from and communicating with your other 

automation devices through its built-in power and I/O connector 

You can connect a SensorView Teach Pendant 

or a PC to a running Checker 3G at any time to 

view part images, review statistics, or control 

the operation of Checker 3G

Содержание Checker 3G Series

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 25: ...COGNEX 590 7096...

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