OMRON ZX-L-N User Manual

Smart Sensors
ZX-L-N Series
User's Manual
Laser Type
Cat. No. Z197-E1-02A
ÇÕǹÇ?Ç ëÊ 1 èÕ ëÊ 2 èÕ ëÊ 3 èÕ ëÊ 4 èÕ
Introduction
Introduction
Section 1
Section 2
Section 3
Section 4
Section 5
APPLICATION CONSIDERATIONS (Please Read)
Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7
FEATURES
PREPARATION FOR MEASUREMENT
BASIC OPERATION
MAIN APPLICATIONS AND SETTING METHODS
DETAILED SETTINGS
Section 6
Section 7
AUXILIARY FUNCTIONS
APPENDIX
User’s Manual
Smart Sensors ZX-L-N Series

Introduction

Introduction

Introduction
Introduction
Thank you for purchasing the ZX-L-N Series Smart Sensor. This manual provides information
regarding functions, performance and operating methods that are required for using the
sensor.
When using the ZX-L-N Smart Sensor, make sure to observe the following:
The ZX-L-N Smart Sensor must be operated by personnel knowledgeable in electrical
engineering.
To ensure correct use, please read this manual thoroughly to deepen your
understanding of the product.
Please keep this manual in a safe place so that it can be referred to whenever
necessary.
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READ AND UNDERSTAND THIS DOCUMENT
Please read and understand this document before using the products. Please consult your OMRON representative if you have any questions or comments.
Introduction

WARRANTY

OMRON’s exclusive warranty is that the products are free from defects in materials and workmanship for a period of one year (or other period if specified) from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NON­INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY.
In no event shall responsibility of OMRON for any act exceed the individual price of the product on which liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON’S ANALYSIS CONFIRMS THAT THE PRODUCTS WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
SUITABILITY FOR USE
THE PRODUCTS CONTAINED IN THIS DOCUMENT ARE NOT SAFETY RATED. THEY ARE NOT DESIGNED OR RATED FOR ENSURING SAFETY OF PERSONS, AND SHOULD NOT BE RELIED UPON AS A SAFETY COMPONENT OR PROTECTIVE DEVICE FOR SUCH PURPOSES. Please refer to separate catalogs for OMRON's safety rated products.
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the combination of products in the customer’s application or use of the product.
Introduction
At the customer’s request, OMRON will provide applicable third party certification documents identifying ratings and limitations of use that apply to the products. This information by itself is not sufficient for a complete determination of the suitability of the products in combination with the end product, machine, system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses listed may be suitable for the products: Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document. Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products. NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PERFORMANCE DATA
Performance data given in this document is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of OMRON’s test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other reasons.
It is our practice to change model numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the product may be changed without any notice. When in doubt, special model numbers may be assigned to fix or establish key specifications for your application on
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Introduction
Introduction
Introduction
your request. Please consult with your OMRON representative at any time to confirm actual specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when tolerances are shown.
ERRORS AND OMISSIONS
The information in this document has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user’s programming of a programmable product, or any consequence thereof.
COPYRIGHT AND COPY PERMISSION
This document shall not be copied for sales or promotions without permission.
This document is protected by copyright and is intended solely for use in conjunction with the product. Please notify us before copying or reproducing this document in any manner, for any other purpose. If copying or transmitting this document to another, please copy or transmit it in its entirety.
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Meanings of Signal Words

Introduction
Introduction
The following signal words are used in this manual.
Indicates a potentially hazardous situation which, if not avoided, will result in minor or moderate injury, or may result in serious injury or death. Additionally there may be significant property damage.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury or in property damage.

Meanings of Alert Symbols

The following alert symbols are used in this manual.
Indicates the possibility of laser radiation.
Indicates prohibition when there is a risk of minor injury from electrical shock or other source if the product is disassembled.
Meanings of Signal Words
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Introduction

Laser Safety

Introduction
Laser Safety
ZX-LD/ZX-LD30V Reflective Sensor Type Sensor Head
Never look into the laser beam.
Doing so continuously will result in visual impairment.
Do not disassemble the product.
Doing so may cause the laser beam to leak, resulting in the danger
of visual impairment.
ZX-LT Through-beam Type Sensor Head
Do not look into the laser beam.
Doing so continuously may result in visual impairment.
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The ZX-LD, ZX-LDL, ZX-LDV, and ZX-LDVL Sensor Heads are Class
2 Laser Products according to EN 60825-1 (IEC 60825-1) and Class II Laser Products
according to FDA (21 CFR1040.10) (see note). The ZXLT Sensor Heads are Class
1 and Class II Laser Products, respectively. The ZX Series is meant to be built into final
system equipment. Pay special attention to the following precautions for the safe use of
the product:
Note: Europe: Class 1 and Class 2 of EN 60825-1: 1994 +A11:1996 +A2:2001
= IEC 60825-1:1993 +A1:1997 +A2:2001
U.S.A.: Class I and Class II of FDA (21 CFR1040.10)
As for the Laser Product Classifications, refer to the Appendix,
p.155
(1) ZX-LD/ZX-LD30V emits visual laser beam. Do not stare directly into the
laser.
Make sure that the laser beam path is terminated. If specular objects are present
in the laser beam path, make sure that they are prevented from reflecting the
laser beam.
When used without an enclosure, make sure the laser path from eye level is
avoided.
(2) To avoid exposure to hazardous laser radiation, do not displace nor remove the
protective housing during operation, maintenance, and any other servicing.
(3) As for countries other than those of Europe and the U.S.A., observe the
regulations and standards specified by each country.
(4) Label Indications
The EN and FDA labels are supplied with the product.
Replace the current labels with them according to the instructions given in the
manuals.
Introduction
Laser Safety
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Introduction
Introduction

Precautions for Safe Use

Precautions for Safe Use
Please observe the following precautions for safe use of the products.
Installation Environment
Do not use the product in environments where it can be exposed to inflammable/
explosive gas.
Do not install the product close to high-voltage devices and power devices in order
to secure the safety of operation and maintenance.
Power Supply and Wiring
The supply voltage must be within the rated range (DC12 to 24V±10%).
Reverse connection of power supply is not allowed. Connection to AC power supply
is also not allowed.
Open-collector outputs should not be short-circuited.
High-voltage lines and power lines must be wired separately from this product.
Wiring them together or placing in the same duct may cause induction, resulting in
malfunction or damage.
Always turn off the power supply before connecting or disconnecting cables and
connectors.
Others
ZX-E series (linear proximity type), and ZX-W series (microwave type) and ZX-T
series (high-precision contact type) must not be connected. Combined use of ZX-L
with these series is not allowed.
Do not attempt to dismantle, repair, or modify the product.
Dispose of this product as industrial waste.
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Precautions for Correct Use

Introduction
Introduction
Please observe the following precautions to prevent failure to operate, malfunctions, or
undesirable effects on product performance.
Installation of the Product
Installation Site
Do not install the product in locations subjected to the following conditions:
Ambient temperature outside the rating
Rapid temperature fluctuations (causing condensation)
Relative humidity outside the range of 35 to 85%
Presence of corrosive or flammable gases
Presence of dust, salt, or iron particles
Direct vibration or shock
Reflective sensor of intense light (such as other laser beams or electric arc-welding
machines)
Direct sunlight or near heaters
Water, oil, or chemical fumes or spray
Strong magnetic or electric field
Component Installation and Handling
Precautions for Correct Use
Power Supply and Wiring
To extend the output cables of Amplifier Units, shielded cables of the same
specifications as the output cables must be used.
When using a commercially available switching regulator, make sure that the FG
terminal is grounded.
If surge currents are present in the power lines, connect surge absorbers that suit
the operating environment.
When using two ore more amplifier units, make sure that the linear GND line of the
amplifier units are connected to each other.
Before turning ON the power after the product is connected, make sure that the
power supply voltage is correct, there are no incorrect connections (e.g. load short­circuit) and the load current is appropriate. Incorrect wiring may result in breakdown of the product.
The cables must be 10m or shorter in total length, for both sensor head and amplifier
units. To extend the cable from the sensor head, an optional extension cable (ZX-XCA) must be used. For extension of the cable of amplifier units, shielded cables of the same type must be used.
When using calculation units, make sure that the linear GND lines of the amplifier
units are connected to each other.
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Introduction
Precautions for Correct Use
Introduction
Warming Up
After turning ON the power supply, allow the product to stand for at least 10 minutes
before use. The circuits are still unstable just after the power supply is turned ON, so
measured values may fluctuate gradually.
Maintenance and Inspection
Always turn OFF the power supply before adjusting or connecting/disconnecting the
sensor head.
Do not use thinner, benzene, acetone or kerosene to clean the sensor head and
amplifier units. If large dust particles adhere to the front filter of the sensor head, use
a blower brush (used to clean camera lenses) to blow them off. Do not blow the dust
away with your mouth. To remove smaller dust particles, use a soft cloth (for lenses)
with a small amount of alcohol. Take care not to wipe them off with excessive force.
Scratches on the filter may cause errors.
Sensing Object For Reflective Type Sensor Head
The product cannot accurately measure the following types of objects: Transparent
objects, objects with an extremely low reflective sensor ratio, objects smaller than the
spot diameter, objects with a large curvature, excessively inclined objects, etc.
Mutual Interference
Inserting a calculation unit between amplifier units can prevent mutual interference
between two sensor heads. However, this may not work efficiently if one sensor head is
saturated and a laser beam of the other sensor head is input. If you are interested in
installing a calculation unit in order to prevent mutual interference, carry out a test using
the actual system beforehand.
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Editor's Note

OperationManual
Section6
MeasuringwithMultiple
AmplifierUnits
PerformingCalculations
Introduction
Introduction

Page Format

MeasuringwithMultiple
ThissectiondescribesthesettingswhenCalculatingUnitsareusedtoconnectmultiple AmplifierUnits.
PerformingCalculations
Measurementresultscanbecalculatedbetween2AmplifierUnits.Theexpressionis setontheCH2AmplifierUnitandthecalculationresultsarealsooutputfromtheCH2 AmplifierUnit.CalculationscanalsobeperformedbetweenSensorswithdifferent measuringranges.
TheresponsetimeoftheCH2AmplifierUnittowhichanexpressionissetwillbe prolongedby1.0ms.Sincetheresponsetimeisinfluencedbythenumberofsamplesto average,theactualresponsetimewillbe"responsetimebasedonthenumberof samplestoaverage+1.0ms"
AddingandSubtractingMeasurementResults
MovingtoFUNandCALC
1. SetthemodeswitchtoFUNontheCH2
AmplifierUnit.
UsetheLEFTandRIGHTKeystodisplay
2.
[CALC]onthemaindisplay.
AmplifierUnits
SettingtheNumberofSamplestoAveragep.66
AUXILIARYFUNCTIONS
T FUNRUN
Section6
Section6
AUXILIARYFUNCTIONS
Editor's Note
z Title of each section
z Header
Indicates the contents of the page.
z Overview
Describes the overview and operation flow of the section.
z Cross-header
z Overview and points of
the function described
z Sub-header
z Purpose of operation
Shows the contents of the operation to be performed.
z Index label
Shows the chapter number and contents.
PresstheUPorDOWNKey.
3.
Thesub-displaywillflash.
UsetheUPorDOWNKeytoselectthe
4.
desiredexpression.
5.
PresstheENTKeytoconfirmthesetting.
Thesettingwillberegistered.
z Operation procedure and supplementary explanation
Explains the operation procedure and the display status resulting from execution of the operation. Helpful information regarding operation and reference pages is introduced here using symbols.
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123
z Display
Shows the display status resulting from the operation.
z Keys or switches to be used
Illustrates the keys and switches to be used.
* This page does not exist.
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Introduction

Notational Conventions

Editor's Note
Menu
Operation procedure
Visual Aids
In this manual, menu items displayed on the screen are enclosed with [ ].
Operation steps are numbered to indicate their order.
Indicates points that are important to achieve the full product performance, such as operational
precautions and application procedures.
Indicates pages where related information can be found.
Indicates information helpful in operation.
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Contents

Introduction
Introduction
Introduction ii
Precautions on Safety v
Laser Safety vi
Precautions for Safe Use viii
Precautions for Correct Use ix
Editor's Note xi
Contents xiii
Section 1 FEATURES 1
ZX-L Features 2
Contents
Section 2 PREPARATION FOR MEASUREMENT 9
Basic Configuration 10
Part Names and Functions 11
Installing the Amplifier Unit 16
Installing Sensor Heads 18
Connections 21
Wiring Input/Output Cables 27
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Introduction
Introduction
Section 3 BASIC OPERATION 31
Flow of Operation 32
Contents
Basic Knowledge for Operation 34
Function Transition Charts 39
Setting the Auto Scale 42
Setting the Standard Received Light Amount 45
Measuring the Received Light Amount (Intensity Mode) 46
Section 4 MAIN APPLICATIONS AND SETTING METHODS 49
Measuring Height 50
Measuring Thickness 54
Measuring Eccentricity and Vibration 58
Measuring Edges 61
Section 5 DETAILED SETTINGS 65
Setting Number of Samples to Average 66
Changing Display Scales 67
Setting the Measurement Sensitivity (Gain Switching) 74
Using Hold Functions 76
Comparing Measured Values (Differentiation Function) 83
Comparing Measured Values (Previous Value Comparisons) 86
Entering Threshold Values 88
Linear Output 95
Setting Judgement Output Timing (Timer) 104
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Introduction
Section 6 AUXILIARY FUNCTIONS 107
Measuring with Multiple Amplifier Units 108
Introduction
Changing the Number of Display Digits 112
Reversing the Display 113
Adjusting Display Brightness (ECO Display) 115
Using the Zero Reset Function 116
Key Lock Function 122
Initializing Settings Data 123
Section 7 APPENDIX 125
Troubleshooting 126
Error Messages and Countermeasures 127
Q&A 129
Glossary 130
Specifications and Dimensions 132
Contents
Communication with the Smart Monitor is possible via the Interface Unit 144
Engineering Data 146
Quick Reference for Displays 152
Requirements from Regulations and Standards 155
Index 164
Revision History 168
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Introduction
MEMO
Contents
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Section 1 FEATURES

ZX-L Features 2
Section 1 FEATURES
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Section 1 FEATURES

ZX-L Features

Section 1 ZX-L Features
The ZX-L Series provide the reflective type for displacement measurement and through-beam
type for smart length measurement. Measurement is performed using laser. By irradiating
laser beams to the object, the sensor can measure the distance between the object and
sensor head, perform positioning and width judgement.
Example: Measuring the height of a PCB mold
Measuring method
(Reflective Type)
Measured value outputs
Judgement outputs
Sensing
object
Distance
Example: Detecting cap floating
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Measuring method
(Through­beam Type)
Measured value outputs
Judgement outputs
Sensing object
Laser received or blocked amounts are measured at two points to detect whether the cap is floating or inclined by checking changes in the measured values.

The Compact Body Provides Sufficient Space.

Section 1
FEATURES
The ZX-L series come in units as small as photoelectric sensors. This enables effective
use of limited installation space.

Many, Simple Functions

Measurement Ready at Power ON
The sensor can be used simply by installing and wiring it. Simply turn ON the power
and it is ready to operate.
The measurement results are displayed on the Amplifier Unit.
LDON
Simple Calculation Settings
Use a Calculating Unit to simply measure thickness and sum and difference
calculations between two measurements.
Section 1 ZX-L Features
Thickness
p.108
Calculating Unit
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Section 1 FEATURES

Mutual Interference Prevention for Closely Mounted Sensor Heads

Section 1 ZX-L Features
The sensor has a mutual interference prevention function which allows multiple Sensor
Heads to be mounted close to each other.
This function is supported for up to two Sensor Heads by using ZX-CAL2 Calculating
Units.
p.24
Calculating
Unit
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Section 1
FEATURES

Compatibility between Sensor Heads and Amplifier Units

Amplifier Units do not need to be changed when Sensor Heads are changed for
maintenance or to switch to new products.
Section 1 ZX-L Features

Extendable Sensor Head Cables

Special extension cables are provided to extend sensor heads.
p.10
Special extension cable
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Section 1 FEATURES

Monitoring Measurement Status

Section 1 ZX-L Features
Resolution Display for Sensing Object
The resolution can be displayed, allowing judgements to be made about detection
margins while viewing the resolution value.
p.39
LDON
Deviation to be
detected
Resolution
Resolution
Confirm Measurement Status on a Personal Computer
Use an Interface Unit and Smart Monitor to view measurement waveforms and log
measurement data on a personal computer. This function is useful for making on-site
measurement adjustments and for day-to-day quality control.
p.15, p.144
Smart Monitor
Interface Unit Amplifier Unit
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Useful Warning Functions

Section 1
FEATURES
Built-in Laser Life Monitor
When the laser of Sensor Head deteriorates, [LDDWN] will appear for approx. five
seconds on the Main Display when the power is turned ON. This assists in
understanding when the Sensor Head should be replaced with a new one.
LDON ENABLEZERO
(mm)
SUB
Section 1 ZX-L Features
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Section 1
Section 1 FEATURES
MEMO
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Section 2 PREPARATION FOR MEASUREMENT

Basic Configuration 10
Part Names and Functions 11
Installing the Amplifier Unit 16
Installing Sensor Heads 18
Connections 21
Wiring Input/Output Cables 27
Section 2 PREPARATION FOR MEASUREMENT
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Section 2 PREPARATION FOR MEASUREMENT

Basic Configuration

The basic configuration of the ZX-L series Smart Sensors is shown below.
ZX-L series Smart Sensors are not compatible with other ZX series Smart Sensors. ZX-L cannot be used
with ZX-E, ZX-W and ZX-T series Smart Sensors.
Section 2 Basic Configuration
Smart Monitor (Software)
ZX-SW11
(Ver 3.0 or later)
Enables operation of Amplifier Units from the personal computer and monitoring measured values.
Personal Computer
Connecting Cable
Commercially available cross cable
p.142
Interface Unit
ZX-SF11
(Ver 2.0 or later)
Used to connect to a personal computer or programmable controller.
p.26
Basic Configuration
Amplifier Unit
ZX-LDA11-N (NPN type)
ZX-LDA41-N (PNP type)
Performs measurements and outputs measurement results.
p.16
Power Supply
DC12 to 24V (±10%)
Sensor Head
ZX-LD ZX-LT
Detects the sensing object.
p.18
Extension Cable
ZX-XC1A(1m) ZX-XC4A(4m) ZX-XC8A(8m) ZX-XC9(9m)
To be used between a Sensor Unit and Amplifier Unit. Only one extension cable can be used. ZX-XC9 can be used for ZX-LD only.
Calculating Unit
ZX-CAL2
Used to connect two or more Amplifier Units.
Calculation
Mutual interference prevention
p.24
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PREPARATION FOR MEASUREMENT

Part Names and Functions

Amplifier Unit

Operating Section(*)
Display Section(*)
(4) Output Cable
(3) Connector (two connectors, one on each side)
(1) Input Cable
(2) Current/voltage switch (on rear side)
(5) Laser indicator
(*)Operating and Display Sections
Section 2
Section 2 Part Names and Functions
(6) Zero Reset indicator
(7) ENABLE indicator
(8) HIGH indicator
(9) PASS indicator
(10) LOW indicator
(11)Main Display
(12) Sub-display
LDON
(13) Threshold switch
(15) Control Keys
(14) Mode switch
(1) The input cable connects the Sensor Head. (2) The current/voltage switch selects either a current or voltage linear output.
Current/voltage switch
Monitor focus settings are also required when switching the output.
Voltage output
Current output
p.95
(3) The connectors connect Calculation and Interface Units. (4) The output cable connects the sensor to the power supply and external devices,
such as sync sensors or programmable controllers. (5) The Laser indicator lights while the Sensor Head is emitting a laser beam. (6) The Zero Reset indicator lights when the zero reset function is enabled. (7) The ENABLE indicator lights when the Sensor is ready for measurement. It goes
off when measurement is not possible (e.g. when the received light amount is
excessive or insufficient, when the measuring range is exceeded, or when the
Sensor Head is not connected when the power is turned ON). (8) The HIGH indicator lights when the judgement result is HIGH. (9) The PASS indicator lights when the judgement result is PASS. (10) The LOW indicator lights when the judgement result is LOW. (11) The main display shows measured values and function names. (12) The sub-display shows additional information and function settings for
measurements.
Reading Displays p.35
(13) The threshold switch selects whether to set (and display) the HIGH or LOW threshold.
(14) The mode switch selects the operating mode. Switching Modes p.34 (15) The Control Keys set measurement conditions and make other settings. Key
Operations
p.36
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Section 2 PREPARATION FOR MEASUREMENT

Sensor Head

Reflective type sensor head
Laser Emitter/Receiver
Section 2 Part Names and Functions
Section
Connector
To be connected to the Amplifier Unit.
NEAR Indicator
FAR Indicator
Both NEAR and FAR indicators are lit:
Measuring center distance
(Measuring range x 10%)
NEAR indicator is lit: Near side within measuring range
FAR indicator is lit: Far side within measuring range
Both NEAR and FAR indicators are blinking:
Outside measuring range
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Through-beam Type Sensor Head
Receiver (cable length: 0.5m)
Receiving section
Section 2
PREPARATION FOR MEASUREMENT
Emitter (cable length: 0.5m)
Emitting section
Connector
Sensor Head – Amplifier Unit
To be connected to the connecting cable.
Connector
To be connected to the receiver.
Cable: Black
Section 2 Part Names and Functions
Laser indicator
Lit while the laser is emitted.
Connector
Sensor Head – Amplifier Unit
To be connected to the connecting cable.
Connector
To be connected to the emitter.
Cable: Gray
Side View Attachment
Used to change the mount direction.
Fixing screw
Emitting
section
Emitter
Sensor Head – Amplifier Unit
Connecting Cable (cable length: 1.5m)
Fixing screw
Receiving section
Receiver
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