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Omron ZX2 Series User Manual

Laser displacement sensors cmos type
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Smart Sensors
Laser Displacement Sensors CMOS Type
ZX2 Series
User's Manual
Cat. No. Z310-E1-01

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Summary of Contents for Omron ZX2 Series

  • Page 1 Smart Sensors Laser Displacement Sensors CMOS Type ZX2 Series User’s Manual Cat. No. Z310-E1-01...
  • Page 2 CONTENTS CONTENTS INTRODUCTION PREPARATION MEASUREMENT Introduction FLOW OF OPERATION Meanings of Signal Words......... . . 8 Meanings of Alert Symbols .
  • Page 3 MAIN APPLICATIONS & SETTING METHODS Height............40 Steps and Warpage .
  • Page 4 Introduction Thank you for purchasing the ZX2 Series Smart Sensor. This manual provides CONTENTS information regarding functions, performance and operating methods that are required for using the sensor. INTRODUCTION When using the ZX2 Smart Sensor, make sure to observe the following: •...
  • Page 5 Warpage CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT LIABILITY. Double Sheet In no event shall responsibility of OMRON for any act exceed the individual price of the Detection product on which liability is asserted. Thickness IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR Positioning OTHER CLAIMS REGARDING THE PRODUCTS UNLESS OMRON’S ANALYSIS...
  • Page 6 When in doubt, special CATIONS model numbers may be assigned to fix or establish key specifications for your application on your request. Please consult with your OMRON representative at any time to confirm INDEX actual specifications of purchased products.
  • Page 7 PREPARATION MEASUREMENT PROGRAMMABLE PRODUCTS FLOW OF OMRON shall not be responsible for the user’s programming of a programmable product, OPERATION or any consequence thereof. BASIC SETUP COPYRIGHT AND COPY PERMISSION This document shall not be copied for sales or promotions without permission.

  • Page 8: Meanings Of Alert Symbols

    Meanings of Signal Words CONTENTS The following signal words are used in this manual. INTRODUCTION 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 PREPARATION property damage.
  • Page 9 Laser Safety CONTENTS ZX2-LD Sensor Head INTRODUCTION PREPARATION MEASUREMENT Never look into the laser beam. Doing so continuously will result in visual impairment. FLOW OF OPERATION BASIC SETUP Do not disassemble the product. Doing so may cause the laser beam to leak, resulting in the danger of MAIN APPLICATIONS visual impairment.
  • Page 10 Sensor Head is a Class 2 Laser Product according to EN 60825-1 (IEC 60825-1) and Class II Laser Product according to FDA (21 CFR1040.10) (see note). The ZX2 Series is meant to be built into final system equipment. Pay special attention to CONTENTS...

  • Page 11: Installation Environment

    Precautions for Safe Use Please observe the following precautions for safe use of the products. CONTENTS Installation Environment INTRODUCTION • Do not use the product in environments where it can be exposed to inflammable/ explosive gas. PREPARATION • Do not install the product close to high-voltage devices and power devices in order MEASUREMENT to secure the safety of operation and maintenance.
  • Page 12 Precautions for Correct Use Please observe the following precautions to prevent failure to operate, malfunctions, or CONTENTS undesirable effects on product performance. Installation of the Product INTRODUCTION Installation Site Do not install the product in locations subjected to the following conditions: PREPARATION •...
  • Page 13 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 CONTENTS measured values may fluctuate gradually. INTRODUCTION Sensing Object The product cannot accurately measure the following types of objects: Transparent...

  • Page 14: How To Use This Manual

    How to Use This Manual Page Format CONTENTS This section explains the page format by using the Setting for MAIN APPLICATIONS AND SETTING METHODS chapter as an example. INTRODUCTION Index label PREPARATION Shows the chapter and header titles with white characters. MEASUREMENT Header Height...

  • Page 15: Setting

    Meanings of Symbols CONTENTS Symbol Meaning Indicates points that are important to achieve the full product Important performance, such as operational precautions and applica- INTRODUCTION tion procedures. (For details about xxx, Indicates pages where related information can be found. PREPARATION see page xx.) MEASUREMENT Required...

  • Page 16: Setting

    MEMO CONTENTS INTRODUCTION PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS Height Steps Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection DETAILED SETTINGS TROUBLE- SHOOTING SPECIFI- CATIONS INDEX SETTING TRANSITION CHARTS ZX2 User’s Manual...
  • Page 17 PREPARATION FOR MEASUREMENT Part Names and Functions Installation Wiring Diagram...
  • Page 18 Part Names and Functions Basic Configuration CONTENTS The basic configuration of the ZX2 series Smart Sensors is shown below. INTRODUCTION PREPARATION See p. 22. Calculating Unit MEASUREMENT (used for connecting two or more Amplifier Units) FLOW OF OPERATION Power supply...

  • Page 19: Display Section

    Amplifier Unit CONTENTS Operating Section INTRODUCTION Display section PREPARATION Output Cable Sensor Head connector MEASUREMENT This cable is for connecting the power supply This connector is for connecting and sync sensors or external devices. the Sensor Head. FLOW OF Connector (two connectors, one on each side) OPERATION This connector is for connecting Calculating Units.
  • Page 20 Digital Displays The information displayed on the main and sub-displays depends on the currently CONTENTS selected mode. The default mode is the RUN mode. When the power is turned ON, the type of Amplifier Unit (ZX2-LDA) will be displayed on the main display.

  • Page 21: Button Operation

    Button Operation The functions of buttons change according to the currently selected mode. CONTENTS Button type Button function INTRODUCTION RUN mode MENU mode • Normal press: Function changes depending on the button Changes the sub-display content. setting. PREPARATION • Switches the function display. button •...
  • Page 22 Sensor Head CONTENTS Emission center position mark This mark indicates the emission center position. FAR Indicator (green) Emitting See the table below. INTRODUCTION section Laser life indicator (red) PREPARATION N E A NEAR Indicator (green) MEASUREMENT Receiving See the table below. section CMOS position mark FLOW OF...

  • Page 23: Installing Sensor Heads

    Installation Important CONTENTS Before connecting/disconnecting Smart Sensor components, make sure that the power to the Amplifier Unit is turned OFF. The Smart Sensor may malfunction if components are connected or removed while the power is ON. INTRODUCTION Installing Sensor Heads PREPARATION MEASUREMENT Installation Method...

  • Page 24: Installing The Amplifier Unit

    Installing the Amplifier Unit Amplifier Units can be easily mounted to 35-mm DIN Track. CONTENTS Installation Method INTRODUCTION Hook the connector end of the Sensor Head on the DIN Track, and press in at the bottom PREPARATION until the Amplifier Unit locks into place. If necessary, fix it in place by the End Plate. MEASUREMENT DIN Track (Option) FLOW OF...
  • Page 25 Connecting Calculating Units CONTENTS Use a Calculating Unit to connect Amplifier Units when performing calculations between Amplifier Units and to prevent mutual interference between Sensor Heads. INTRODUCTION Important PREPARATION Provide power to all connected Amplifier Units at the same time. MEASUREMENT Connection Method FLOW OF...
  • Page 26 Important CONTENTS • To disconnect Calculating Units, perform the above operations in reverse order. • Channel Numbers of Amplifier Units The following diagram shows the channel numbers when multiple Amplifier Units are INTRODUCTION connected. PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS...
  • Page 27 Connecting the Sensor Head to the Amplifier Unit CONTENTS Installation Method INTRODUCTION PREPARATION Align the position of the connector mark with the mark on the Amplifier Unit, and MEASUREMENT insert the connector until it is locked in place. FLOW OF OPERATION BASIC SETUP...

  • Page 28: Wiring Diagram

    Wiring Diagram Wiring Input/Output Cables CONTENTS The input/output cable has the following wires. INTRODUCTION Important PREPARATION Wire the cable correctly. Incorrect wiring may damage the Smart Sensor. MEASUREMENT Brown Power supply Blue FLOW OF White OPERATION HIGH judgement output Green PASS judgement output Gray BASIC...
  • Page 29 Cable Name Function color Black Analog output The analog output outputs a current or voltage in CONTENTS accordance with the measured value. (For details on setting method, see page 95.) Shield Analog GND (0 V) The analog GND terminal is the 0 V terminal for the analog INTRODUCTION output.

  • Page 30: I/O Circuit Diagrams

    I/O Circuit Diagrams CONTENTS NPN Amplifier Unit INTRODUCTION PREPARATION Brown 10 to 30 VDC MEASUREMENT Load FLOW OF White HIGH judgement output Load OPERATION Load Load Green PASS judgement output 10 to BASIC 30 VDC Gray LOW judgement output SETUP Yellow Error output MAIN APPLICATIONS...

  • Page 31: Settings

    CONTENTS PNP Amplifier Unit INTRODUCTION PREPARATION Brown 10 to 30 VDC MEASUREMENT 10 to 30 VDC White HIGH judgement output FLOW OF OPERATION Green PASS judgement output BASIC Gray LOW judgement output Load SETUP Load Yellow Error output Load MAIN Load APPLICATIONS Blue GND (0 V)

  • Page 32: Settings

    MEMO CONTENTS INTRODUCTION PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS Height Steps Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection DETAILED SETTINGS TROUBLE- SHOOTING SPECIFI- CATIONS INDEX SETTING TRANSITION CHARTS Wiring Diagram ZX2 User’s Manual...
  • Page 33 FLOW OF OPERATION FLOW OF OPERATION...

  • Page 34: Shooting

    FLOW OF OPERATION CONTENTS Preparation for Measurement INTRODUCTION Installing the Sensor p. 23 PREPARATION MEASUREMENT Wiring Diagram p. 28 FLOW OF OPERATION BASIC SETUP Setup MAIN APPLICATIONS <Simple Measurement> <Setting Up by 6 Measurement Contents> & SETTING METHODS • Basic Setup p. 38 •...

  • Page 35: Shooting

    CONTENTS Detailed Settings INTRODUCTION (Optimizing the Sensing Conditions) • Smart Tuning p. 74 PREPARATION (Improving Unstable Measurement • Setting the Hysteresis Near the Judgement Threshold) p. 77 MEASUREMENT (Holding Measured Values Under Special Conditions) • Setting Hold p. 79 • Bank Setting p.

  • Page 36: Shooting

    MEMO CONTENTS INTRODUCTION PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS Height Steps Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection DETAILED SETTINGS TROUBLE- SHOOTING SPECIFI- CATIONS INDEX SETTING TRANSITION CHARTS FLOW OF OPERATION ZX2 User’s Manual...

  • Page 37: Basic Setup

    BASIC SETUP BASIC SETUP...

  • Page 38: Simplest Setting

    Default Settings p.106 BASIC SETUP Initializing Settings p.106 Setting Transition Charts p.130 Display of RUN Mode CONTENTS LOW threshold Analog output value HIGH threshold 5 V, 1 to 5 V INTRODUCTION 40 to 20 mA PREPARATION MEASUREMENT FLOW OF OPERATION Current value Resolution BASIC...

  • Page 39: Height

    MAIN APPLICATIONS & SETTING METHODS Height Steps and Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection...

  • Page 40: Positioning

    Height CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up height FLOW OF OPERATION Sensor installation/wiring Hold Other than BASIC Set to the MENU mode Trigger conditions SETUP MAIN Response time setting Threshold setting APPLICATIONS & SETTING Arbitrary setting METHODS Smart Tuning Return to RUN mode Required setting Height...

  • Page 41: Smart Tuning

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Select the response time to match the size and moving speed of the sensing INTRODUCTION Required Response time setting object. Button Explanation of PREPARATION Display Description of Operation...
  • Page 42 Set this item to hold measured values during the measurement Optional Hold period according to preset hold conditions. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display Default value: OFF INTRODUCTION PREPARATION Press the button to select the MEASUREMENT hold conditions.
  • Page 43 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the trigger conditions. Enter the trigger by using the CONTENTS timing input or by pressing button in the RUN Select the Press to select mode. The period that the desired value.
  • Page 44 Setting the HIGH and LOW thresholds set the Required Threshold setting range of measured values judged as PASS. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display (Setting example) the HIGH threshold. Non-defective product INTRODUCTION height 0 to 10 mm PREPARATION...
  • Page 45 Steps and Warpage CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up steps and Warpage FLOW OF OPERATION Sensor installation/wiring 2-sensor operation (A-B) BASIC SETUP Set to the MENU mode Mutual interference prevention MAIN Response time setting Threshold setting APPLICATIONS & SETTING Arbitrary setting METHODS Smart Tuning...
  • Page 46 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to set the display to to set display of CONTENTS the detail menu. Press to display. INTRODUCTION Press the button to apply the setting. PREPARATION Select the response time to match the size MEASUREMENT Required Response time setting...
  • Page 47 Set this item on the CH2 Amplifier Unit when calculating difference between Required 2-sensor operation (A-B) measurement results from two Sensor Heads. Button Explanation of Display Description of Operation CONTENTS Operation Selection Menu Press the button on the CH2 Amplifier Unit to display INTRODUCTION Calculating Unit PREPARATION...
  • Page 48 Set the range of measured values to be judged as PASS on the CH2 Amplifier Unit by setting Required Threshold setting the HIGH and LOW thresholds. Button Explanation of Display Description of Operation CONTENTS Operation Selection Menu Press the button on the CH2 (Setting example) Amplifier Unit to display the Non-defective product step...
  • Page 49 Double Sheet Detection CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up double sheet detection FLOW OF OPERATION Sensor installation/wiring Hold Other than BASIC Set to the MENU mode Trigger conditions SETUP MAIN Response time setting Threshold setting APPLICATIONS & SETTING Arbitrary setting METHODS Smart Tuning...
  • Page 50 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Select the response time to match the size INTRODUCTION Required Response time setting and moving speed of the sensing object. Button Explanation of PREPARATION Display Description of Operation...
  • Page 51 Set this item to hold measured values during the measurement Optional Hold period according to preset hold conditions. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display Default value: OFF INTRODUCTION PREPARATION Press the button to select the hold conditions.
  • Page 52 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the trigger conditions. Enter the trigger by using the CONTENTS timing input or by pressing button in the RUN Select the Press to select mode. The period that the desired value.
  • Page 53 Setting the HIGH and LOW thresholds set the Required Threshold Setting range of measured values judged as PASS. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display (Examples) the HIGH threshold. INTRODUCTION -0.5 PREPARATION Set the HIGH and LOW Press the...
  • Page 54 Thickness CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up thickness FLOW OF OPERATION Sensor installation/wiring Hold Other than BASIC Set to the MENU mode Trigger conditions SETUP Response time setting Mutual interference prevention MAIN APPLICATIONS & SETTING Smart Tuning Threshold setting METHODS Arbitrary setting Height...
  • Page 55 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to set the display to to set display of CONTENTS the detail menu. Press to display. INTRODUCTION Press the button to apply the setting. PREPARATION Select the response time to match the size MEASUREMENT Required Response time setting...
  • Page 56 Make this initial setting to measure thickness by the CH2 Amplifier Unit when using two Required 2-sensor operation (thickness) Sensor Head to measure thickness. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Set the reference sensing object of which thickness is known in INTRODUCTION Calculating Unit...
  • Page 57 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the hold conditions. Hold OFF CONTENTS The average measured value Select the Press to select during the sampling period is desired value. INTRODUCTION held. PREPARATION The difference between the MEASUREMENT minimum and maximum...
  • Page 58 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the trigger conditions. Enter the trigger by using the CONTENTS timing input or by pressing button in the RUN Select the Press to select mode. The period that the desired value.
  • Page 59 Set this item on the CH1 Amplifier Unit to prevent influence mutual Required Mutual interference prevention interference between two Sensor Heads. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button on the CH1 Default value: OFF Amplifier Unit to display INTRODUCTION PREPARATION...
  • Page 60 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Switch to the mode in which Required Return to RUN mode measurement is performed. INTRODUCTION Button Explanation of Display Description of Operation Operation Selection Menu PREPARATION...

  • Page 61: Detailed Settings

    Positioning CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up positioning FLOW OF OPERATION Sensor installation/wiring Scaling BASIC SETUP Set to the MENU mode Threshold setting MAIN Response time setting Return to RUN mode APPLICATIONS & SETTING Arbitrary setting METHODS Smart Tuning Setting completed Required setting Height...

  • Page 62: Detailed Settings

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to set the display to to set display of CONTENTS the detail menu. Press to display. INTRODUCTION Press the button to apply the setting. PREPARATION MEASUREMENT Select the response time to match the size Required Response time setting and moving speed of the sensing object.

  • Page 63: Detailed Settings

    Set this item to change the display scale when you want to display a digital value on the Amplifier Unit different from the actual Optional Scaling measured value. (e.g. to display the actual sensing distance) Button Explanation of Display Description of Operation CONTENTS Operation Selection Menu...

  • Page 64: Detailed Settings

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to display CONTENTS After Press the button to enable Before INTRODUCTION setting of S2-Before. PREPARATION * If the button is pressed Press the button to move [Change numeric value] MEASUREMENT when the cursor is at the the digit, press the...

  • Page 65: Detailed Settings

    Setting the HIGH and LOW thresholds set the Required Threshold Setting range of measured values judged as PASS. Button Explanation of Display Description of Operation CONTENTS Operation Selection Menu Press the button to display (Setting example) the HIGH threshold. Non-defective product INTRODUCTION position 49 to 51 mm PREPARATION...

  • Page 66: Detailed Settings

    Eccentricity and Surface Deflection CONTENTS INTRODUCTION PREPARATION MEASUREMENT Procedure for setting up eccentricity and surface deflection FLOW OF OPERATION Sensor installation/wiring Hold Other than Set to the MENU mode BASIC Trigger conditions SETUP Response time setting MAIN Threshold setting APPLICATIONS Smart Tuning &...

  • Page 67: Detailed Settings

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Select the response time to match the size Required Response time setting INTRODUCTION and moving speed of the sensing object. Button Explanation of Display Description of Operation PREPARATION...

  • Page 68: Detailed Settings

    Set this item to change the display scale when you want to display a digital value on the Amplifier Unit different from the Optional Scaling actual measured value. (e.g. to reverse the - and + indications) Button Explanation of Display Description of Operation CONTENTS Operation...

  • Page 69: Detailed Settings

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to display CONTENTS Before Press the button to enable INTRODUCTION setting of S2-Before. After PREPARATION Press the button to move MEASUREMENT [Change numeric value] the digit, press the button to * If the button is pressed...

  • Page 70: Preparation

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the hold conditions. Hold OFF CONTENTS The average measured value Select the Press to select during the sampling period is desired value. INTRODUCTION held. PREPARATION The difference between the minimum and maximum MEASUREMENT...

  • Page 71: Detailed Settings

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the trigger conditions. Enter the trigger by using the CONTENTS timing input or by pressing button in the RUN Select the Press to select mode. The period that the desired value.

  • Page 72: Detailed Settings

    Setting the HIGH and LOW thresholds set the Required Threshold Setting range of measured values judged as PASS. Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display (Setting example) the HIGH threshold. Non-defective product INTRODUCTION eccentricity -1 to 1 mm PREPARATION...

  • Page 73: External Input For Bank, Timing Input, Reset Input

    DETAILED SETTINGS Smart Tuning (Optimizing the Sensing Conditions) Setting the Hysteresis (Improving Unstable Measurement Near the Judgement Threshold) Setting the Hold Function (Holding Measures Values Under Special Conditions) Bank Setting Zero Reset Scaling (Changing Digital Values for Specific Measured Values) Analog Output Output for Non-measurement (Output Setting During Input of the Reset Signal...

  • Page 74: Troubleshooting

    Smart Tuning Smart tuning: CONTENTS This setting option sets optimum sensing conditions according to the operating conditions (response time and color/state of workpiece). INTRODUCTION Procedure for setting up smart tuning PREPARATION Set to the MENU mode MEASUREMENT * Steps 1, 2 and 4 are not required when the response time setting is completed since smart tuning can be performed even Response time setting FLOW OF...
  • Page 75 Required Smart tuning Select from one of the following three methods to execute smart tuning: (1) Tuning of a single stationary workpiece: Single smart tuning CONTENTS (2) Tuning of multiple stationary workpieces: Multi-smart tuning (a mix of workpieces having different color and state) (3) Tuning of workpieces having different surface states: Active smart tuning INTRODUCTION (execution of tuning while workpieces are moving)
  • Page 76 Button Explanation of Display Description of Operation Operation Selection Menu Press the button for three The optimum conditions are Pressing down set for either reference seconds. When Hold down for CONTENTS workpiece 1 or 2 is set. 3 seconds is displayed, release your finger from the button to start execution of smart tuning.
  • Page 77 Setting the Hysteresis Hysteresis width: CONTENTS This refers to the difference between the operation point and return point. Set the hysteresis width for the upper and lower limits of the judgements if the HIGH, PASS or LOW judgement is unstable near the threshold values. INTRODUCTION Hysteresis (hysteresis width) PREPARATION...
  • Page 78 Hysteresis width setting Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display Default value: 0.000 INTRODUCTION Press the button to enable PREPARATION setting of the hysteresis width. MEASUREMENT FLOW OF Press to display. OPERATION Press the button to move...
  • Page 79 Setting the Hold Function Hold: CONTENTS The hold function holds any values during the measurement period, and outputs these values at the end of measurement. INTRODUCTION Procedure for setting up hold Set to the MENU mode PREPARATION MEASUREMENT Hold conditions setting FLOW OF Self-trigger setting OPERATION...
  • Page 80 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the hold conditions. Hold OFF CONTENTS The average measured value Select the Press to select during the sampling period is desired value. INTRODUCTION held. PREPARATION The difference between the minimum and maximum MEASUREMENT...
  • Page 81 Selection menu Details OFF (default) Hold measurement is not performed. The measured value is output at all times. CONTENTS The average measured value during the sampling period is held. The output changes at the end of the sampling period and is held until the end of the next sampling period.
  • Page 82 Self-trigger setting Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Press the button to display Default value: TIMING INTRODUCTION Press the button to select the PREPARATION self-trigger. Enter the trigger by using the MEASUREMENT timing input or by pressing button in the RUN Select the FLOW OF...
  • Page 83 Selection menu Details Either input the timing signal from an external device, or enter the trigger for starting sampling by pressing the button. The period that the timing CONTENTS signal is ON is the sampling period. (Default) Timing input INTRODUCTION Sampling period (For details on external inputs, see page 101.) PREPARATION...
  • Page 84 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Return to RUN mode INTRODUCTION Button Explanation of Display Description of Operation Operation Selection Menu PREPARATION Hold down the button for MEASUREMENT three seconds to switch to the FLOW OF Hold down for...
  • Page 85 Bank Setting Bank setting: CONTENTS Up to four sets of settings can be stored in memory. (Default: bank 0) This is recommended, for example, when measuring on multi-lot lines. Procedure for setting up banks INTRODUCTION The following menu settings can be registered to banks: Set to the MENU mode HIGH threshold PREPARATION...
  • Page 86 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the bank. CONTENTS Select the Press to select desired value. INTRODUCTION Press the button to apply the setting. PREPARATION MEASUREMENT Various settings FLOW OF OPERATION Set the various menu items that require setting.
  • Page 87 Zero Reset Zero reset: CONTENTS This refers to setting the reference value to "0" or any desired numeric value so that the measured value can be displayed and output as a positive or negative deviation (tolerance) from the reference value. The measured value can be set to "0" or any INTRODUCTION desired numeric value at any timing in the RUN mode.
  • Page 88 Procedure for setting up zero reset Set to the MENU mode Zero reset memory setting CONTENTS Display setting at zero reset Return to RUN mode INTRODUCTION Zero reset execution PREPARATION Setting completed MEASUREMENT Set to the MENU mode FLOW OF Button Explanation of OPERATION...
  • Page 89 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to apply the setting. CONTENTS Important INTRODUCTION • If zero reset memory is set to [ON], the zero reset level will be written in the Amplifier Unit's non-volatile memory (EEPROM) each time a zero reset is executed.
  • Page 90 Zero reset execution Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Set the sensing object to be — — used for executing the zero reset. INTRODUCTION Either press the button for LD ON ZERO ENABLE one second in the RUN mode, PREPARATION or input the zero reset signal (4 (For details on external...
  • Page 91 Scaling Scaling: CONTENTS The display scale can be changed when you want to display a digital value on the Amplifier Unit different from the actual measured value. (For example, when you want to set the measured value as the actual measuring distance.) INTRODUCTION PREPARATION Procedure for setting up scaling...
  • Page 92 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to display CONTENTS Press to display. Press the button to enable INTRODUCTION setting of scaling. Press the button to display <To display the actual sensing PREPARATION distance> MEASUREMENT FLOW OF OPERATION...
  • Page 93 Button Explanation of Display Description of Operation Operation Selection Menu Press the button to display CONTENTS After Press the button to enable Before INTRODUCTION setting of S2-Before. PREPARATION * If the button is pressed Press the button to move [Change numeric value] MEASUREMENT when the cursor is at the the digit, press the...
  • Page 94 Important • Analog output when specifying the scaling setting The analog output range is assigned based on the pre-scaling display value setting range (between S1-BEF and S2-BEF). CONTENTS Concerning the analog output minimum and maximum values, the analog output minimum value is output for the smaller of the post-scaling display values (S1-AFT/S2-AFT), and the analog output maximum value is output for the larger of these values.

  • Page 95: Applications

    Analog Output Analog output: CONTENTS This refers to the conversion of measurement results to 4 to 20 mA current output or to -5 to +5 V/1 to 5 V voltage output. INTRODUCTION Procedure for setting up analog output PREPARATION Set to the MENU mode MEASUREMENT FLOW OF Analog output setting...

  • Page 96: Applications

    Return to RUN mode Button Explanation of Display Description of Operation Operation Selection Menu CONTENTS Hold down the button for three seconds to switch to the Hold down for RUN mode. 3 seconds INTRODUCTION Important PREPARATION • Change the assignment of analog output values based on the measured values MEASUREMENT The analog output range is assigned based on the pre-scaling display value setting range (between S1-BEF and S2-BEF).

  • Page 97: Applications

    Output for Non-measurement Output for non-measurement: CONTENTS This refers to setting the output when an error occurs (e.g. outside measuring range) or when the reset input is being input. INTRODUCTION Procedure for setting up output for non-measurement PREPARATION Set to the MENU mode MEASUREMENT Output settings for non-measurement FLOW OF...

  • Page 98: Applications

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select output for non-measurement. The measured value status CONTENTS before measurement is stopped is held and output. Select the Press to select desired value. INTRODUCTION Judgment output: All OFF Analog output: PREPARATION The preset clamp value is...

  • Page 99: Applications

    Timer Timer: The timing for judgement outputs can be adjusted to match the operation of external CONTENTS devices. Procedure for setting up the timer INTRODUCTION Set to the MENU mode PREPARATION Timer setting MEASUREMENT FLOW OF Return to RUN mode OPERATION Setting completed BASIC...

  • Page 100: Applications

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to move [Change numeric value] the digit, press the button to * If the button is pressed CONTENTS change the numeric value, and when the cursor is at the set the time set to the timer.

  • Page 101: Warpage

    External Input for Bank, Timing Input, Reset Input External input: CONTENTS This refers to inputting the bank switching signal, the timing signal during a hold and the reset signal from an external device to execute these operations. INTRODUCTION Procedure for setting up external input PREPARATION Set to the MENU mode MEASUREMENT...

  • Page 102: Warpage

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to select the external input terminal. timing input/reset input CONTENTS Bank switching Select the Press to select desired value. INTRODUCTION Press the button to apply the setting. PREPARATION MEASUREMENT Return to RUN mode...

  • Page 103: Warpage

    Mutual Interference Prevention Mutual interference prevention: This refers to the function for preventing the influence of Sensor Heads when CONTENTS mounted close to each other. (Calculating Unit (ZX2-CAL) is used.) INTRODUCTION Procedure for setting up mutual interference prevention PREPARATION Amplifier Unit Set to the MENU mode Calculating Unit MEASUREMENT...

  • Page 104: Warpage

    Button Explanation of Display Description of Operation Operation Selection Menu Press the button to display CONTENTS Press to display. INTRODUCTION Press the button to apply the setting. PREPARATION Return to RUN mode MEASUREMENT FLOW OF Button Explanation of Display Description of Operation OPERATION Operation Selection Menu...

  • Page 105: Warpage

    Key Lock Function Key Lock Function: CONTENTS The key lock function disables all keys. Once keys have been disabled, no key input will be accepted until the lock is released. This function is useful for preventing inadvertent changes to settings. INTRODUCTION PREPARATION Key Lock Function...

  • Page 106: Warpage

    Initializing Settings Data Initialization: This function resets all settings to their default values. CONTENTS Default Values INTRODUCTION Function Default Value Measuring center distance Display 0 reference: PREPARATION NEAR side + indication: MEASUREMENT FAR side - indication: FLOW OF HIGH threshold Measuring range maximum value OPERATION LOW threshold...

  • Page 107: Warpage

    Procedure for initializing settings data Set to the MENU mode Setting data initialization CONTENTS Return to RUN mode INTRODUCTION Setting completed PREPARATION MEASUREMENT Set to the MENU mode FLOW OF Button Explanation of Display Description of Operation OPERATION Operation Selection Menu Hold down the button for BASIC...

  • Page 108: Warpage

    MEMO CONTENTS INTRODUCTION PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS Height Steps Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection DETAILED SETTINGS TROUBLE- SHOOTING SPECIFI- CATIONS INDEX SETTING TRANSITION CHARTS Initializing Settings Data ZX2 User’s Manual...
  • Page 109 TROUBLESHOOTING Troubleshooting Error Messages...

  • Page 110: Positioning

    Troubleshooting This section describes countermeasures for temporary hardware problems. Check the CONTENTS malfunction in this section before sending the hardware for repair. Problem Probable cause and possible countermeasure Pages INTRODUCTION The device restarts during • Is the power supply device connected correctly? p.28 PREPARATION operation.

  • Page 111: Error Messages

    Error Messages This section outlines the error messages displayed on the Amplifier Unit and the CONTENTS countermeasures for those messages. Display Error Countermeasure Error-bright Saturated light amount intensity, • Install so that the distance between the INTRODUCTION measurement error. Sensor Head and the workpiece is within the measuring range.

  • Page 112: Positioning

    Display Error Countermeasure Error-head Sensor Head system error. • Turn OFF the power supply, check the Sensor Head connection, and then turn ON the power supply again. • If the above countermeasure does not Error-head CONTENTS solve the problem, the Sensor Head is malfunctioning.

  • Page 113: Specifications

    SPECIFICATIONS Specifications and Dimensions Timing Charts Engineering Data (Typical)

  • Page 114: Specifications

    Specifications and Dimensions Amplifier Units CONTENTS ZX2-LDA11/LDA41 INTRODUCTION (Unit: mm) PREPARATION MEASUREMENT FLOW OF OPERATION Vinyl insulated round cable, BASIC 5.2 dia., 11 conductors (cover open, 84.6) (Conductor cross-section 0.09 mm SETUP Insulator diameter: 0.7 mm) Standard length: 2 m 47.6 MAIN APPLICATIONS...

  • Page 115: Specifications

    Accessories Instruction sheet CATIONS (*1) In the case of a white ceramic OMRON standard object INDEX (*2) In the MENU mode, select and set current output (4 to 20 mA) and voltage output (±5 V or 1 to 5 V).
  • Page 116 Sensor Heads ZX2-LD50/LD50L ZX2-LD100/LD100L CONTENTS (Unit: mm) Reference surface INTRODUCTION Emitter axis PREPARATION Two, 3.2-dia. Reference surface (mounting holes) MEASUREMENT 22.6 35.5 Reference surface Range FLOW OF indicator 27.5 Emitter OPERATION axis 10.1 BASIC SETUP MAIN Receiver APPLICATIONS axis & SETTING METHODS Emitter center Range...

  • Page 117: Beam Size

    (ZX2-LD50 :20mm) (*4) Temperature characteristic: The temperature characteristic is measured at the measurement center point SETTING with the Sensor and reference object (OMRON’s standard reference object) secured with an aluminum jig. TRANSITION CHARTS (*5) Categorized as Class 2 by EN60825-1 criteria in accordance with the stipulations of the FDA standard Laser Notice No.50, and scheduled for registration with to CDRH (Center for Devices and Radiological Health)
  • Page 118 Calculating Unit ZX2-CAL CONTENTS (Unit: mm) 24.9 Coupled Coupling connectors INTRODUCTION indicators 19.5 PREPARATION MEASUREMENT 15.1 FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS 36.7 Height Steps Warpage Model ZX2-CAL Double Item Sheet Detection Applicable Amplifier Units ZX2-LDA11/ZX2-LDA41 Current consumption 12 mA max.
  • Page 119 Timing Charts This section explains the timing charts for the I/O signals that are exchanged between the CONTENTS Controller and external devices. Laser OFF input INTRODUCTION PREPARATION Laser emission Laser emission ON OFF OFF ON MEASUREMENT Within Within 4 ms 4 ms 8 ms 20 ms...
  • Page 120 Bank input Example) Switching from bank 2 to bank 1 CONTENTS 4 ms Within or more 20 ms Bank 1 Bank input* INTRODUCTION Bank 2 PREPARATION Bank 1 Bank MEASUREMENT Bank 2 FLOW OF OPERATION If bank input is input for 4 ms or more, the bank is confirmed, the bank is switched within 20 ms, and measurement is resumed.
  • Page 121 • When the zero reset memory setting is ON CONTENTS Zero reset Zero reset execution cancellation 4 ms Within Within to 1 s 400 ms or more 400 ms INTRODUCTION Zero reset input PREPARATION MEASUREMENT Measurement Output FLOW OF Result after Result after Zero reset OPERATION...
  • Page 122 Engineering Data (Typical) Angle Characteristic CONTENTS The angle characteristic is a plot of the inclination of the sensing object in the measuring range and the maximum value of the error to analog output. Note: SUS304 = Stainless steel SUS304 INTRODUCTION ZX2-LD50 Side-to-side Inclination Front-to-back Inclination...
  • Page 123 Linearity Characteristic for Different Materials Inclination Inclination Front-to-back Inclination CONTENTS White ceramic White ceramic White ceramic SUS304, mirror finish SUS304, mirror finish SUS304, mirror finish Black rubber Black rubber Black rubber 0 Inclination +50 Inclination -50 Inclination INTRODUCTION PREPARATION MEASUREMENT Distance [mm] Distance [mm] Distance [mm]...
  • Page 124 Beam Size Spot Beams Line Beams CONTENTS Beam cross-section Beam cross-section INTRODUCTION PREPARATION MEASUREMENT ZX2-LD50 ZX2-LD50L +10 mm 0 mm -4 mm -10 mm +10 mm 0 mm -4 mm -10 mm FLOW OF OPERATION Approx. Approx. Approx. Approx. Approx. Approx.
  • Page 125 INDEX Canceling the Key Lock Numerics CONTENTS (output for non-measurement (analog output 1 to 5 V) clamp/clamp level) Clamp level 2-sensor operation (thickness) 56 INTRODUCTION Connecting 2-sensor operation (A-B) Calculating Unit (analog output 4 to 20 mA) PREPARATION Sensor Head and Amplifier Unit MEASUREMENT Connecting the Sensor Head...
  • Page 126 (hysteresis width) (hold peak) Hysteresis 42, 51, 57, 70, 80 Positioning PREPARATION FOR I/O Circuit Diagrams CONTENTS MEASUREMENT PNP Amplifier Unit (hold peak-to-peak) (initialization) 42, 51, 57, 70, 80 INTRODUCTION Initialization Installing Reset Input Amplifier Unit PREPARATION Reset input Sensor Head MEASUREMENT Response time 46, 50, 55, 62, 67, 74...
  • Page 127 Smart Tuning Zero reset cancellation 38, 41, 46, 50, 55, 62, 67, 74 (display setting at zero reset) 75, 76 CONTENTS (zero reset memory) 88 38, 41, 46, 50, 55, 62, 67, 75 INTRODUCTION Specifications and Dimensions Amplifier Unit Calculating Unit PREPARATION Sensor Head MEASUREMENT...
  • Page 128 MEMO CONTENTS INTRODUCTION PREPARATION MEASUREMENT FLOW OF OPERATION BASIC SETUP MAIN APPLICATIONS & SETTING METHODS Height Steps Warpage Double Sheet Detection Thickness Positioning Eccentricity and Surface Deflection DETAILED SETTINGS TROUBLE- SHOOTING SPECIFI- CATIONS INDEX SETTING TRANSITION CHARTS INDEX ZX2 User’s Manual...

  • Page 129: Revision History

    Revision History A manual revision code appears as a suffix to the catalog number at the bottom of the front and back covers of this manual. Cat. No. Z310-E1-01 Revision code Revision code Date Revised contents Oct. 2010 Original production Revision History ZX2 User’s Manual...
  • Page 130 SETTING TRANSITION CHARTS CONTENTS INTRODUCTION RUN mode Analog Resolution HIGH threshold LOW threshold Present value output value PREPARATION For ±5 V, 1 to 5 V MEASUREMENT For 4 to 20 mA FLOW OF OPERATION * The main display always shows the measured value. * The numerals shown in the above diagram are an example only.
  • Page 131 CONTENTS : Bank switching : Default Value* : Main Display : Sub-display The default threshold and scaling values in the figure assume those for ZX2-LD50(L). MENU mode INTRODUCTION (The detail menu is disabled.) When used for the first time Detail menu Analog MENU mode Response time...
  • Page 132 Tel: (1) 847-843-7900/Fax: (1) 847-843-7787 OMRON ASIA PACIFIC PTE. LTD. OMRON (CHINA) CO., LTD. © OMRON Corporation 2010 All Rights Reserved. No. 438A Alexandra Road # 05-05/08 (Lobby 2), Room 2211, Bank of China Tower, In the interest of product improvement,...

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