KEYENCE LS-5000 User Manual

Page 125

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Appendices

119

Appendices

Problem

Item

Inspection

Action

Ref. page

Measured
value
display

Displayed value is
incorrect.

• Check if scanning head’s serial

No. matches that of ROM
board.

• Check if calibration has been

performed correctly.

• Check if optical axis is properly

aligned.

• Check if target is tilted or

incorrectly positioned.

• Check if target is correctly

placed in measurement area.

• Check if reference edge is set

in measurement area.

• Check target for dust or dirt.

• Use scanning head with same

serial number as ROM board.

• Perform calibration correctly.

• Make sure that optical axis is

properly aligned in INSPECT
mode. If optical axis is mis-
aligned, adjust mounting
conditions while referring to
error message.

• Place target correctly.

• Place target in measurement

area correctly.

• Set reference edge (when

T.EDGE/B.EDGE mode is
used).

• Remove dust or dirt.

p.60

p.115

p.115

Analog
output
(Option)

No output

Check if measured value is
displayed.

Set controller and target correctly
so that measured value is dis-
played.

Output above +10 V
or below -10 V.

Check if analog scaling is set
correctly.

Make sure that analog scaling is
set correctly.

Computer
output

Computer data
output is disabled.

• Check if connector pin connec-

tions are correct.

• Check if computer has been

turned ON before controller.

• Check if program is correct.

• Connect connector pins cor-

rectly.

• Turn ON computer first, and

then turn ON controller.

• When " " is sent from compu-

ter, controller outputs measured
value.

p.8

p.57

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