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Amplifier Built-in

Digital Mark Sensor

LX-100

SERIES

2022.6

* The contents of this catalog are as of

October 2017.

For the latest information, please visit our company website.

Digital Mark Sensor

LX-100

SERIES

Amplifier Built-in

Recognition

PNP output

type available

Timer

Automatic

sensitivity setting

Introduction of the 3 LED mark sensor

Can detect any mark!

Coaxial reflective optics and a sharp 1 × 5 mm

0.039

× 0.197 in

spot enable high precision sensing. Stable

detection of marks is possible.

Newly

developed

4-digit digital display

The 4-digit digital display enables

numerical sensing control and

minute settings.

To detect any marking, this unit is

equipped

with red, green and blue

blue

LED

light emitting elements all in

light emitting elements all

one.

R•G•B light emitting

elements all in one

Operation panel

3 large buttons that click into position

making operation easy.

Highest in

the industry

High precision coaxial

reflective optical system

SUNX’s unique

Panasonic Industry

optics

coaxial reflective optics

very

unique

technology ensures

accurate sensing. The unit is made

technology ensures very accurate

with a scratchproof

made with a

sensing. The unit is

glass lens.

scratchproof glass lens.

Total reflection

mirror

Half mirror

Glass lens

▲

Image schematic

12-bit A/D converter

Receiving element

Protection IP67

A resolution of 1/4,000 is realized to

enable high precision mark sensing.

Washing the machines and

production line with water will

not affect the sensor thanks

to its waterproof construction.

Spot size 1 × 5 mm

0.039 × 0.197 in

approx.

Automatic optimal LED selection function

The 3 colors of the R•G•B LEDs are

optimally selected according to the color

combination. With the

LX-100’s

Mark mode,

the built-in “Automatic optimal LED selection

function” automatically selects the LED for

the largest contrast (S/N ratio) between the

mark and base (non-mark area) to ensure

optimal sensing. For more stable detection,

the sensor makes selection according to the

contrast and not according to the reflected

light variation between the mark and base

(non-mark area).

The example on the right deals with reflected light

on packing film.

Great figures are indicated for the blue LED’s light

amount ratio and, for even more stable sensing,

the blue LED effectuates this mark sensing.

Example: A packing film

Reflective light

Mark

Light amount

ratio

6 : 8

Base

Mark

Light amount

ratio

8 : 4

Base

Mark

Light amount

ratio

Reflective light

Optimal

4 : 1

Base

Digital Mark Sensor

LX-100

SERIES

Two detection modes can be selected from to suit the application

Mark mode

Ultra high-speed response

This sensing mode automatically selects

a single color from the 3 R•G•B LEDs to

achieve an ultra quick 45 µs response

time. The automatic optimal LED

selection function automatically selects

the LED that is most suitable for the

sensing. This function is perfect for ultra

quick sensing.

RED

Automatic selection of the optimal LED

GREEN

BLUE

Color mode

High precision discrimination

All 3 R•G•B LEDs light up and high

precision mark color discrimination

occurs using the R•G•B reflective light

ratio. This function enables effective

detection of films with patterns around

the area of the mark.

The color around letters is

detected as a mark.

Predetermined colors are

detected as marks.

* You can select the mark mode or color mode through key operation.

High precision mark color discrimination

The color mode on the

LX-100

series utilizes all 3 R•G•B LEDs to determine the R•G•B ratio of the mark color.

The built-in 12-bit A/D converter enables high precision 1/4,000-resolution judgments. The figure below is a graphic

description of this process.

1-level teaching for this mark

Reflective light

R: 15

G: 10

B: 5

R•G•B ratio calculated

Precise determination of consistency of the spot color (R•G•B ratio)

a Inconsistent

b Consistent

c Inconsistent

Mark

Even similar colors are accurately determined using the R•G•B ratio.

13 : 10 : 5

15 : 10 : 5

15 : 10 : 6

Digital Mark Sensor

LX-100

SERIES

Its digital display makes settings easy! Numerical control of the settings is possible

The 4-digit digital display enables easy verification of received light from marks and base (non-mark area). Also, the

threshold value can be controlled numerically enabling setting indication easily. Displaying the direct code enables

settings verification. This function is handy for remote maintenance.

MODE indicator

(

4-digit digital display

Light-receiving amount and

setting values are displayed.

MODE indicator

)

Operation indicator

MODE key

(PRO mode: CANCEL key)

OFF key

(PRO mode: ENTER key)

ON key

(PRO mode: SELECT key)

Even beginners can quickly master MODE NAVI operation

The sensor’s basic operations are represented by 6 indicators (MODE NAVI). The user can check what mode the

sensor is presently in with a quick glance making operation simple.

This is the sensing mode. The digital display

shows the light-receiving amount (mark mode)

and the color consistency (color mode).

This is the threshold value

setting (teaching) mode.

This mode enables a mark

mode/color mode selection.

RUN

COLOR

TEACH

TIMER

Timer type selection mode.

This is the threshold

fine-adjustment mode.

ADJ

PRO

This mode enables the setting

of various functions such as

key lock and timer period.

Sensing status digitally controllable

The sensing status, displayed

numerically, can be verified at a

glance. Also, the sensor settings

for each type of packing film can be

digitally indicated.

• Example of sensor setting indication

■

Selected LED: Red LED

■

Threshold value: 600

■

Selected LED: Green LED

■

Threshold value: 1850

■

Selected LED: Blue LED

■

Threshold value: 1600

Direct codes enable settings verification at a glance

The settings for the

LX-100

series sensors are displayed using a 4-digit direct code. Direct codes enable easy setting

verification and maintenance by phone.

What is the

direct code?

The direct code is 0004. At present,

the sensor is operating with a mark

at 2300 and base at 860.

Digital Mark Sensor

LX-100

SERIES

Direct code table (D-Code)

The sensor setting modes can be verified by a 4-digit

code (D-Code). The table below shows a list of all

available codes.

1st digit

Display Sensing mode (light source color) Operation mode (Note 1) Sensing (Note 2)

FINE

L-ON

COARSE

Mark mode (green)

FINE

D-ON

COARSE

FINE

L-ON

COARSE

Mark mode (blue)

FINE

D-ON

COARSE

FINE

L-ON

COARSE

Mark mode (red)

FINE

D-ON

COARSE

FINE

Consistent-ON

COARSE

Color mode

FINE

Inconsistent-ON

COARSE

When in RUN mode, press the MODE

key for at least 2 sec. to display the

direct code. (Remove your finger from

the MODE key and the direct code will

disappear.)

2nd digit

3rd digit

4th digit

Display Display mode ECO mode (Note 4) Turn mode (Note 5) Display

Key lock

OFF

Full lock

OFF

Standard

(All operations disabled)

OFF

RUN teaching

OFF

(Teaching only enabled)

Percent display

OFF

RUN adjust

(Note 3)

Threshold value

adjustment only enabled

(

)

Timer mode Display Timer period

1 ms

non

2 ms

OFF-delay

5 ms

ON-delay

10 ms

non

20 ms

OFF-delay

50 ms

ON-delay

100 ms

non

200 ms

OFF-delay

500 ms

ON-delay

Notes: 1) In Mark mode, L-ON/D-ON is automatically set in the sensor. For example, with 2-level teaching, press the ON key at the targeted mark and

press the OFF key at the base (non-mark area). When doing so, the operator does not have to consider L-ON/D-ON.

2) Sensing accuracy can be set to either FINE (standard) or COARSE.

3) The percent display is only enabled in mark mode.

4) ECO mode is a function that reduces power consumption by turning off the digital display in the event that no button operations are made for

a predetermined time (approx. 10 sec. or more) in RUN mode. Press any button to turn the digital display on again.

5) The turn mode is a function that reverses the digital display making it easily to be viewed in the event that the sensor installation renders the display up-side-down.

* Default setting: D-code = “

”.

Super simple teaching

Press the ON button at the targeted mark.

Here is an example of the most basic setting method

“2-level teaching”.

Mode selection

Press MODE key and select TEACH mode.

External teaching possible

Teaching is possible through external input using an

operation panel or touch panel even on hard-to-reach

color mark sensors located inside an equipment. Also,

models can be interchanged easily.

Mark mode

2-level teaching and full-auto teaching possible

Teaching

Align the spot on the mark and press the ON key.

Align the spot onto the base (non-mark area) and press the OFF key.

* The

1 2

order can be reversed.

Display showing

complete settings

Color mode

1-level teaching possible

Sensing

Teaching complete. The optimal LED is

automatically selected and the sensor

automatically returns to RUN mode.

Other teaching methods

• Full-auto teaching: In Mark mode, teaching is effective

without stopping the sensing object.

• 1-level teaching: In Color mode, the color detected is aligned

by the spot and teaching is effective.

Compact design for significant space savings

High precision sensing and multiple functions are all

packed in a compact W57 × D24 × H38 mm

W2.244

× D0.945 × H1.496 in

body.

Cable and plug-in connector

types are available

depending on the

equipment used.

These sensors can

be easily introduced

38 mm

1.496 in

to existing facilities.

24 mm

0.945 in

57 mm

2.244 in

Key lock function

The key lock function enables input operation control

that prevents mistaken changes in the sensor settings.

Other detailed settings include “RUN adjust”, allowing

threshold value adjustment only, and “RUN teaching”,

allowing teaching operation only.

If the sensor is set to “RUN adjust” or “RUN teaching”,

adjustment and teaching are possible having the sensor

remained in RUN mode.