KEYENCE IB Series User Manual
Page 111
A-3
IB-E
A
ppendix
The values are
incorrect.
Is the object tilted or
located in an incorrect
position?
Adjust the object to correctly fall within the
measurement range.
Are the transmitter and
receiver mounted correctly?
Mount them correctly.
"Mounting the Sensor Head" (page 2-8)
Is the installation distance
or the distance between the
receiver and measurement
target too long?
Keep the installation distance and the distance
between the receiver and measurement target as short
as possible.
"Mounting the Sensor Head" (page 2-8)
Do the transmitter and
receiver have the same
serial No. combination?
Use a transmitter and receiver with the same serial No.
combination.
Is dirt or dust stuck to the
laser transmitter/receiver?
Remove the dirt or dust.
"Effect of Contaminants" (page 2)
Is dust, dirt, water or oil
stuck to the target?
Remove the dust, dirt, water, oil, etc.
"Effect of Contaminants" (page 2)
Does the ambient
operating temperature
significantly change?
Keep the ambient operating temperature constant.
Is the zero shift function
correctly set?
Configure the settings correctly.
"3-7 Zero Shift Function (Shifting the Internal
Measurement Value (R.V.))" (page 3-18)
Is the shift target value set
correctly?
Is the zero shift input wire
connected correctly?
Is the calibration complete
correctly?
Redo the calibration.
"4-3 Calibration Function" (page 4-42)
Are the output wire and
input wire short-circuited?
Check the wiring.
"Wiring the Sensor Amplifier Unit" (page 2-6)
Was the reference light
registration or adjust
function performed
properly?
Carry out the reference light registration or make the
adjust function setting.
Button
operations are
ignored.
Is the key lock function
being used?
Cancel the key lock function.
"3-9 Key Lock Function" (page 3-23)
The connected communication unit
write setting switch is set to RW.
Set the read/write setting switch to R.
“RS-232C Communication Unit DL-RS1A User's
Manual”
The judgment
output cannot
be output
properly.
Is the output polarity set
correctly?
Make the settings for NPN output and PNP output.
"3-5 Initial Reset (Initialize)" (page 3-12)
Is the unit properly wired?
Wire the unit correctly.
Is the tolerance setting
value set correctly?
Set the tolerance setting value.
"3-6 Setting the Tolerance Setting Value" (page 3-
13)
Is the output mode (NO/
NC) set correctly?
Set the output mode.
Is the mode set to the
beam axis adjustment
mode?
Quit the beam axis adjustment mode by pressing a
random button.
"3-3 Beam Axis Adjustment" (page 3-8)
Problem
Check points
Corrective actions