Keyence IB Series Manual do Utilizador descarregar pdf (Página 41)

3-13

Basic Operations

IB-E

3-6

Setting the Tolerance Setting Value

The tolerance setting value consists of the upper limit value (HIGH setting value) and the

lower limit value (LOW setting value). By setting these values, judgments are made in three

levels: when the judgment value (P.V.) goes beyond the upper limit (HIGH judgment), when

the judgment goes beyond the lower limit (LOW judgment) and when the judgment is within

the acceptable range (GO judgment). Then, the judgment indicator and judgment output

are turned ON/OFF.

*1 When the output mode of judgment output is Normally Open (default value) ON/OFF

is reversed for Normal Close.

"4. Output Mode" (page 4-13)

*2 The judgment indicator ON/OFF condition can be changed.

"20. Judgment Indicator Color" (page 4-41)

*3 "Error Displays and Corrective Actions" (page A-4)

The tolerance setting value can be set either manually or automatically.

Judgment

Judgment output

HIGH GO LOW HI GO LO

HIGH ON OFF OFF

Lights in red OFF OFF

GO OFF ON OFF

OFF Lights in green OFF

LOW OFF OFF ON

OFF OFF Lights in red

Error

ON OFF ON

Lights in red OFF Lights in red

DIN rail mount type (IB-1000/IB-1050)

Panel mount type (IB-1500/IB-1550)

Item Setting Method

Manual setting

Directly enter the tolerance setting value (HIGH setting

value, LOW setting value).

Automatic

setting

Tolerance tuning Detect the master workpiece and set the tolerance.

2-point tuning

Detect the good target and defective target and set the

tolerance.

Point

When setting the tolerance setting value manually using the 2-point

tuning, make sure to set HIGH setting value to be larger than LOW

setting value.

Reference

When setting HIGH setting value to be smaller than LOW setting value, the

judgment output is as follows.

• GO judgment output is not output regardless of the judgment value (P.V.).

(When setting HIGH setting value = LOW setting value = judgment value

(P.V.), and the hysteresis to 0.000, GO judgment output is turned on.)

• When the judgment value (P.V.) goes beyond the HIGH setting value and

falls below the LOW setting value, the HIGH judgment output and LOW

judgment output are output at the same time.

Judgment indicator

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