User`s guide

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
Specications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Table of ContentsWhat is Checker 3G and what does it do?
Checker 3G is a programmable vision
sensor that veries the presence and
appearance of objects.
You congure 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 congured, 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