Keyence FS-N10 Series Manual de usuario descargar pdf (Pagina 101)

6-1 Troubleshooting

Appendix

6-3

- Digital Fiber Sensor FS-N10 Series User's Manual -

Preset related

A value less than "100.0" is dis-

played even when the [PRESET]

button is pressed.

The raw received light intensity is

50 or less. * (200 when using the

received light intensity expansion

setting.)

• Press and hold the [MODE] button and check

the raw received light intensity level. Try adjust-

ing the beam axis, removing contamination, or

reviewing the installation environment. Take

actions to raise the original received light inten-

sity.

The maximum intensity is preset

with the received light intensity

almost saturated.

• Preset the maximum intensity again after lower-

ing the received light intensity.

"Light emission/Received light intensity

adjustment (Saturation Canceling)" (page 3-18)

"Adjusting Light Emission/Received Light

Intensity (Attenuation)" (page 4-20)

When each preset function is exe-

cuted, "---- ----" appears, and no

change is seen.

The zero shift function is enabl

ed.

•Disable the ze

ro shift function.

"Zero Shift Function" (page 3-16)

The zero shift calibration (0SEt) is

selected as the sensitivity setting.

• Select the sensitivity setting other than the zero

shift calibration.

"Sensitivity Setting" (page 4-4)

The rising / falling edge detection

mode is selected.

• Select the detection method other than the rising

/ falling edge detection mode.

"Detection Mode" (page 4-8)

Zero shift input is selected with the

external input function.

• Select a mode other than zero shift input for the

external input function.

"External Input" (page 4-17)

The difference in received light

intensity during preset function exe-

cution and workpiece preset func-

tion execution is small.

•Provide a sufficient difference in received light

intensity when using the preset function and

work-preset function.

The state was saturated when using

the maximum sensitivit

y preset

function and full auto pres

et func-

tion. The state was saturated when

using either the preset function or

workpiece preset function.

• Make sure that the received light intensity does

not exceed the values listed in the

"Display Gain" (page 4-32).

Zero shift related

"---- ----" appears even when

using the zero shift function, and

each preset function with no effect

is being used.

The preset function is enabled.

• Cancel each preset function.

"Preset Function" (page 3-6)

Preset input is selected with the

external input function.

• Select a mode other than preset input with the

external input function.

"External Input" (page 4-17)

The rising edge detection/falling

edge detection mode is enabled.

• Set a detection mode other than rising edge

detection/falling edge detection mode with the

detection mode settings.

Detection Mode" (page

4-8)

Nothing happens even when the

zero shift function is used.

The DATUM1/DATUM2 mode is

enabled.

• Set a detection mode other than DATUM1/

DATUM2 mode with the detection mode set-

tings.

"Detection Mode" (page 4-8)

DATUM related

The received light intensity is not

calibrated to 100.0/.0 in the

DATUM1/2 modes.

The raw received light intensity is

50 or less. * (200 when using the

received light intensity expansion

setting FuLL)

• Press and hold the [MODE] button and check

the raw received light intensity level. Try adjust-

ing the beam axis, removing contamination, or

reviewing the installation environment. Take

actions to raise the original received light inten-

sity.

The raw received light intensity is

less than the warning output level.

• Check the installation environment and confirm

that the beam axis has not deviated and that the

workpiece surface is not contaminated.

• To continue calibration, increase the warning out-

put level value. Calibration will not stop as fre-

quently.

Sensitivity set-

ting

(calibration)

Pressing the [SET] button has no

effect.

The sensitivity setting (calibration)

is restricted in specific detection

modes.

• Change the detection mode or sensitivity setting

referring to

"Restrictions for Sensitivity Settings in

Each Detection Mode" (page 6-9).

Category Trouble Cause Action

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