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The present distance value can be reset to "0".

 Zero Reset

 Zero Reset Cancel

Used to disable the button operations in Measurement mode.

 Key Lock Function

 Key Lock Cancel        

(1) Reset the Present Distance to "0"

(2) Avoid Mis-operation

The present value changes to "0" and zero reset is 
completed. The zero reset indicator turns ON.

0.00

Hold for 3 sec. 

or longer

TUNE

TUNE

1. Simultaneously press the          and        buttons, 
or the           and       buttons,  for at least 3 seconds. 

1. Simultaneously press the          and        buttons, 
or the           and       buttons,  once for a short time.

1. To cancel zero reset function, simultaneously 

press the         and       buttons, 

or the          and       buttons, for at least 3 seconds.

TUNE

TUNE

1. To unlock the key operation after key lock setting, 
simultaneously press the         and       buttons, 
or the          and       buttons, for at least 3 seconds.

The display shows [       ].

MODE

MODE

MODE

MODE

Hold for 

3 sec. 

or longer

Hold for 

3 sec. 

or longer

A zero reset can be performed by turning the zero reset input that is
an external input terminal for 4 ms or longer and less than 3 seconds
instead of using the button.

A zero reset can be cancelled by turning the zero reset input 
that is an external input terminal for 3 seconds or longer 
instead of using the button.

A key lock state is retained after power 
is turned ON.

Key Lock is Cancelled

Setting is Completed

Convenient Setting Features

3

0.00

Setting is Completed

Zero Reset is Cancelled

Function Setting

The following indication is displayed 

during key lock is engaged. 

Setting mode cannot be entered.

The background suppression function becomes 
effective by performing tuning after changing 
the setting to ON.
When shifted from the limited range of the
sensitivity, the display shows             or            .
The function is ready after the smart 
tuning indicator (blue) turns ON.

1. Output Polarity

2. Tuning Type

3. Response Time

4. Keep Function

5. Background

    Suppression

    Function

Select the output polarity (ON/OFF) for detection.

Set the response time.

Select the tuning method.
When you select other than "type discrimination by time",

the tuning method is fixed to the selected tuning type.

Normally-closed: 

Type discrimination by time: Set by input time

2-point tuning

Tuning mode without workpiece

1-point tuning

Standard mode: 50 ms

High-speed mode: 10 ms

Super high-speed mode: 1.5 ms

Sensitivity is not restricted.

Post-tuning measured value and sensitivity 

are restricted according to the sensitivity 

in tuning.

Normally-open: 

Set the output content at a measurement 
error (             ,             ,              ) or of 
pre-confirmed measurement.

Set the Sensor only to be sensitive to 

the workpiece condition in tuning.

Detailed Settings

4

MODE

MODE

MODE

UP/DOWN

Hold for 3 sec.

<Measurement Mode>

<Menu Setting Mode>

After 1 sec.

MODE

MODE

MODE

UP/DOWN

UP/DOWN

UP/DOWN

UP/DOWN

1.23

set

MODE

Hold for 3 sec.

After 1 sec.

Description

Smart tuning indicator

Function Setting

Description

A

B

C

B

: Initial value

“2-2 Output and Threshold Value”

Output terminal closes when 
the Sensor output is OFF

Output terminal opens 
when the Sensor output 
is OFF

MODE

To enter the Menu Setting mode, hold       button for at least 3 seconds. 
The Menu Setting mode provides the following function settings.

To unlock the keys, simultaneously 
hold the       button and either 
of the              buttons for 
3 second or longer.

MODE

UP/DOWN

ON/OFF output is reversed at NC.

Refer to "      Settings 2-3” .

Pressing the       button from the item setting moves to the next item menu. 
All the settings are common to CH1 and CH2.

MODE

Outputs the immediately previous value when 
distance detection is judged to be impossible

Output content

OUT1/OUT2 output

Both outputs OFF

Outputs the clamp 
value (22 mA)

Monitor output

1.23

It is recommended that you set the response speed long 
enough for stable detection.

1

9999

• ON and OFF are reversed after area 

  tuning mode without workpiece is performed.

• For area output setting, CH1 and CH2 

  are automatically switched. 

If the zero reset memory is kept "ON", 

values are written to EEPROM 

(nonvolatile memory) inside the sensor 

unit every time the zero reset is 

performed. The EEPROM can be written 

up to 100,000 times. Writing for each 

measurement may result in malfunction. 

Be careful of the writting life when using 

the sensor with eco function ON.

When the eco function is enabled, the 

display changes to the eco display, 

turning OFF the digital display, if any 

operation is not performed for 30 seconds 

in RUN mode. The normal display returns 

by pressing any button when the eco 

function is engaged.

7. Timer Function

8. Area Output

9. Zero Reset 
    Memory

10. Eco Function

11. Setting Reset

The timer function is not used.

Off-delay timer

Off-delay

One shot

On-delay

On-delay timer

Area output is not used.

The output turns ON when the measured 

value enters the Threshold L to Threshold H range.

Eco function disabled

Eco function enabled

Use this function when the power 

consumption should be saved or detailed 

values should not be displayed.

Zero reset memory disabled

Zero reset memory enabled

One shot timer

On/Off-delay timer

Specify the timer operation time.

Specify whether the area output function
is used or not used.

Set whether the measured value at the 

time of zero reset is held even after power is

turned OFF.

All the settings are reset to the factory 
default settings.

Setting reset cancel

Press the       button while this message is 
shown to execute setting reset.

MODE

MODE

MODE

MODE

MODE

UP/DOWN

UP/DOWN

UP/DOWN

UP/DOWN

UP/DOWN

MODE

MODE

UP/DOWN

ON

OFF

ON

OFF

ON

OFF

ON

OFF

ON

OFF

On/Off-delay

*1: If OFF time < Timer value, the output does not turn OFF.

*3: If OFF --> ON condition is satisfied during output, the timer is ignored.

*2: If ON Time < Timer value, the output does not turn ON.

T = Timer value

Threshold H

Threshold L

Sensor

Workpiece

Sensor

Workpiece

ON

OFF

OFF

Sensor

Workpiece

OFF

OFF

ON

Function Setting

Description

C

A

MODE

Unit: M Sec

Area output is used.

Delays both outputs ON/OFF.

Holds output ON if the detection 

time is short and unable to 

detect with PLC.

Delays output ON after detection.

Outputs for a certain period of 

time even if the workpiece size 

varies.

T

T

T

T

T

T

T

1

1

2

2

3

3

1

2

1

2

T

Setting range

Initial value

0.00〜10.00mm
0.00〜35.00mm

0.0〜150.0mm
0.0〜400.0mm

0.07mm

0.3mm

1mm
6mm

LD50

LD100
LD300
LD600

6. Hysteresis width

Standard setting:
Set an initial value to
the hysteresis width.

User setting:
Set an arbitrary
hysteresis width.

Set a hysteresis width.

The hysteresis width has been set to

the threshold so that the judgment output

does not become unstable near the boundary.

MODE

UP/DOWN

MODE

MODE

UP/DOWN

A minute step can be judged by lowering the 
hysteresis width. However, note that the 
reflection output may become unstable when 
the reflection light intensity is low.

Unit (mm)

Summary of Contents for ZX1-LD

Page 1: ... line for monitor output Connect this line separately from the blue 0 V GND Important Be sure to connect to blue 0 V Shield Analog GND Inputs tuning to CH1 Inputs tuning to CH2 Pink Zero reset input Used to execute or cancel zero reset Purple Red LD OFF input Power supply Orange Unit mm ZX1 LD300 ZX1 LD600 ZX1 LD50 ZX1 LD100 10 2 A L 50 1 1 9 66 57 15 5 4 5 45 6 55 8 13 6 27 2 10 7 22 7 10 1 17 13...

Page 2: ...el Key lock setting cancel button button button simultaneously for less than 3 sec button button simultaneously for min 3 sec button button simultaneously for min 3 sec Refer to 2 4 Refer to 2 3 Refer to 2 Refer to 1 Refer to 1 Area Output is OFF Area Output is ON Measured value CH1 CH1 OUT1 OUT2 CH2 CH2 OFF OFF OFF OFF OFF OFF Threshold 1 Threshold 2 Threshold 1H Threshold 1L Threshold 2H Thresho...

Page 3: ...E UP DOWN ON OFF output is reversed at NC Refer to Settings 2 3 Pressing the button from the item setting moves to the next item menu All the settings are common to CH1 and CH2 MODE Outputs the immediately previous value when distance detection is judged to be impossible Output content OUT1 OUT2 output Both outputs OFF Outputs the clamp value 22 mA Monitor output 1 23 It is recommended that you se...

Page 4: ...able below describes non permanent hardware errors and their troubleshooting Phenomena Display is blank No digital display The Sensor restarts during operation Laser is not emitted appears in the display Input signal is not received Measured value is not stable fluctuating depending on the day or time appears in the display OUT1 indicator OUT2 indicator blinks OUT1 indicator OUT2 indicator keeps t...

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