Checkline LS-GAPSENSOR User Manual

LABEL•EYE AUTOSET™

Set-Up Instructions

Normal Label Opacity Autoset™ Button

This category includes most paper or melallized film labels adhering to paper or
transparent backing materials.
To implement the one button Autoset routine, utilize the external alignment guides to
position the gap between labels in line with the dot shown in the center of the detection
zone. Then push the Autoset button marked "Normal".

An alternative set up procedure would be to remove a label and the push
the "Normal" Autoset button.

HINT: If the location of the sensor is several labels up-stream from the peeler plate,
removing just one label will result in applying two labels onto one product and one
product receiving no label what so-ever. This is why we recommend setting up the
sensor with the actual "gap" between the labels properly positioned.

On rare occasions, when the light is unable to penetrate the backing materials, both
the red and green led indicators will blink four times. When this indication occurs, the
sensor will be unable to detect the presence of the labels.

Translucent Label Opacity Autoset™ Button

This category includes translucent labels adhering to transparent backing materials.

This sensor cannot detect transparent labels adhering to transparent backing
materials. The question is how close to transparent can the translucent labels be and
still be detected? There is no definitive answer to that question. To determine if detection
of a translucent label adhering to transparent backing material is to try the following
Autoset procedure. First utilize the external alignment guides to position the gap
between labels in line with the dot shown in the center of the detection zone. Then
push the Autoset button marked "Translucent". The next step is to move the web so that
the translucent label goes in and out of the light beam. If detection is possible, the red
led output indicator should go on when the label passes through the detection zone.

INVERT OUTPUT: The status of the red led and output transistors can be inverted by pressing both
buttons simultaneously. When the output status has been inverted, the red led and the
output transistors will turn off when the label comes into view.

SPECIFICATIONS

CHECK•LINE®–PRECISION QUALITY C ONTROL I NSTRUMENTS

Electromatic Equipment Co., Inc.

600 Oakland Ave.
Cedarhurst, N Y 11516 —USA

Tel: [phone] (USA & Canada)
Tel: [phone]
Fax: [phone]

Email: [e-mail]
Website: www.checkline.com

SUPPLY VOLTAGE

10 to 30 VDC

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Polarity Protected

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CURRENT REQUIREMENTS

45 milliamps (exclusive of load)

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OUTPUT TRANSISTORS

(1) NPN and (1) PNP output transistors

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Sensor outputs can sink or source up to 150 milliamps

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(current limit)

All outputs are continuously short circuit protected

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RESPONSE TIME

Light state response = 100 microseconds

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Dark state response = 100 microseconds

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LED LIGHT SOURCE

High intensity red LED

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Pulse modulated

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PUSH BUTTON CONTROL

Automatic set-up routines based on web opacity

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One push button set-up

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Simultaneously pushing both buttons inverts the output

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Model Numbers:

Label•Eye Description

LER Red LED, 4 conductor 6 ft. cable
LERC Red LED, 4-pin Nano connector

DIMENSIONS

HYSTERESIS

Minimal hysteresis promotes the detection between the

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backing material and the label depending on the settings

LIGHT IMMUNITY

Responds to sensor’s pulsed modulated light source …

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immune to most ambient light

INDICATORS

Green LED flashes when Autoset™ routine is activated

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and stays illuminated when Autoset™ is completed

Red LED illuminates when sensors output transistors

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are “ON”.
Note: The status of the output transistors can be inverted
by pushing both buttons simultaneously

AMBIENT TEMPERATURE

–40°C to 70°C (-40°F to 158°F)

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RUGGED CONSTRUCTION

Chemical resistance to harsh cleaners such as

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detergents, alcohols, and ketones

Waterproof, ratings: NEMA 2

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Conforms to heavy industry grade CE and UL requirements

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Product subject to change without notice.

Nano Cable (M8) Selection Guide

P/N Length Thread Coupling

GEC-6 6 ft. (1.8m) Straight Female
GEC-15 15 ft. (4.6m) Straight Female
RGEC-6 6 ft. (1.8m) 90° Female
RGEC-15 15 ft. (4.6m) 90° Female