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NECTED WITH THE PRODUCTS, WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEG- LIGENCE, OR STRICT LIABILITY. In no event shall responsibility of OMRON for any act ex- ceed the individual price of the product on which liability is asserted.
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POSES. 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 combina- tion of products in the customer’s application or use of the product.
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It may represent the result of OM- RON’s test conditions, and the users must correlate it to ac- tual 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.
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PROGRAMMABLE PRODUCTS OMRON shall not be responsible for the user’s program- ming of a programmable product, or any consequence thereof. COPYRIGHT AND COPY PERMISSION This document shall not be copied for sales or promotions without permission.
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Z4LB V2 Parallel Beam Linear Sensor Instruction Manual...
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No patent liability is assumed with respect to the use of the information contained herein. Moreover, because OMRON is constantly striving to improve its high-quality products, the information contained in this manual is subject to change without notice. Every precaution has been taken in the preparation of this manual. Never- theless, OMRON assumes no responsibility for errors or omissions.
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Z4LB V2 Parallel Beam Linear Sensor. Section 1 provides practical information on the connections, wiring, and operation of the Z4LB V2 with a typical application example. Read this section for a quick application ref- erence.
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The information contained in this section is important for the safe and reliable application of the Z4LB V2 Parallel Beam Linear Sensor. You must read this section and understand the information contained before attempting to set up or operate a Z4LB V2 Parallel Beam Linear Sensor.
EN60825-1 (IEC825-1) and a Class II Laser Product according to FDA (21 CFR1040.10) (see note). The Z4LB V2 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 of EN60825-1: 1994 = IEC825-1: 1993 U.S.A.: Class II of FDA (21 CFR1040.10)
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Laser Safety Require- Require- Classification ments; ments; Class 1 Class 2 Class 3A Class 3B* Class 4 Sub-clause Sub-clause Emission Not required Gives audible or visible warning de- warning when laser is vice switched on or if capacitor bank of pulsed laser is be- ing charged Attenuator Not required...
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Laser Safety Symbol and border: black Background: yellow Figure A Warning label – Hazard symbol Legend and border: black Background: yellow Figure B Explanatory label...
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Laser Safety FDA (Compliance Guide for Laser Products, 1985, according to 21 CFR1040.10) Class (see note 1) Requirements IIIa IIIb Performance (all laser products) Protective R (see R (see R (see R (see R (see R (see housing note 2) note 2) note 2) note 2)
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Laser Safety Abbreviations: Required. N/A: Not applicable. Requirements: Same as for other products of that Class. Also see footnotes. NP: Not permitted. Depends on level of interior radiation. Footnotes: 1. Based on highest level accessible during operation. 2. Required wherever & whenever human access to laser radiation above Class I limits is not needed for product to perform its function.
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Laser Safety Use Precautions EN60825-1 Classification Require- ments; ments; Class 1 Class 2 Class 3A Class 3B* Class 4 Sub-clause Remote in- Not required Connect to room or door terlock circuits Key control Not required Remove key when not in Beam atten- Not required When in use prevents inad-...
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Laser Safety ANSI Z136.1:1993 “American National Standard for the Safe Use of Lasers” Control Measures for the Four Laser Classes Control measures Classification Engineering Controls Protective Housing (4.3.1) Without Protective Hous- LSO (see note 2) shall establish Alternate Controls ing (4.3.1.1) Interlocks on Protective Housing (4.3.2) Service Access Panel...
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Laser Safety Control measures Classification Administrative & Proce- dural Controls Standard Operating Pro- cedures (4.4.1) Output Emission Limita- LSO Determination tions (4.4.2) Education and Training (4.4.3) Authorized Personnel (4.4.4) Alignment Procedures (4.4.5) Protective Equipment (4.4.6) Spectator (4.4.7) Service Personnel (4.4.8) MPE { Demonstration with Gen- eral Public (4.5.1)
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Laser Safety 2. LSO: Laser Safety Officer An individual shall be designated the Laser Safety Officer with the authority and responsibility to monitor and enforce the control of laser hazards, and to effect the knowledgeable evaluation and control of laser hazards. For your reference, see ANSI Z136.1-1993, Section 1.3.
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Laser Safety Comparison of Classifications between FDA and ANSI Class FDA definition ANSI description Class Limits applicable to devices that have A Class 1 laser is considered to emissions in the ultraviolet, visible, and be incapable of producing dam- infrared spectra, and limits below which aging radiation levels during op- biological hazards have not been estab- eration and maintenance and is,...
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Laser Safety Label Indications Note Use of controls, adjustments, or procedures other than those specified herein may result in hazardous radiation exposure. Z4LB-S10V2 Z4LB-S30V2 Z4LB-A1040jV2 Z4LB-A3040jV2 FDA Certification Label FDA Certification Label FDA Laser Aperture Label FDA Caution Label FDA Laser Aperture Label FDA Caution Label FDA Laser FDA Caution Label...
• Objects with an extremely low reflection ratio • Objects smaller than the Sensor’s sensing spot diameter • Largely inclined objects 3. Do not install the Z4LB V2 in locations subject to the following conditions: • Direct vibration or shock • Direct sunlight or heaters •...
6 Checking the Package When the product package is delivered, check if the package contains the following items. Al- though careful attention has been paid to packing the product, please contact your OMRON representative if any item is found to be missing.
SECTION 1 Application Example This section provides practical information on the connections, wiring, and operation of the Z4LB V2 with a typical application example. Read this section for a quick application ref- erence. Inspection for Loose Bottle Caps ....
Inspection for Loose Bottle Caps Section Inspection for Loose Bottle Caps In this application, the height of the cap of each bottle is in- spected to see if the caps are loose. Example Sensor: Z4LB-S10V2 Amplifier: Z4LB-CV2 The amount of light incident on the re- ceiver is detected.
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Section Inspection for Loose Bottle Caps Operation Flow Item Applicable Sensors 1-1-1 Wiring and Connections Standard and One-side Interruption High-precision 1-1-2 Axis and Gain Adjustments Standard 1-1-3 Setting Measurement Unit Standard 1-1-4 Setting Thresholds Standard and One-side Interruption High-precision 1-1-5 Detection Standard and One-side Interruption High-precision 1-1-1...
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Inspection for Loose Bottle Caps Section 1-1-2 Axis and Gain Adjustments The following information is for Standard Sensors only. Adjust the laser axis and gain according to the sensing distance. 1 Set the selectors on the Amplifier as shown below. 2 Closely attach the emitter and the receiver with the name- plates of both the emitter and the receiver facing the same direction.
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Section Inspection for Loose Bottle Caps 1-1-3 Setting Measurement Unit The following information is for Standard Sensors only. The measurement unit can be set to linear output voltage (V) or length (mm). In the following example, the unit is set to mm. Display Set the measurement unit selector to mm.
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Section Inspection for Loose Bottle Caps 1-1-4 Setting Thresholds The following information is the same for both Standard and One-side Interruption High-precision Sensors. Set the thresholds for good/improper product discrimination. There are three methods to set the thresholds. The following de- scription provides information on setting the thresholds by teach- ing based on a reference workpiece.
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Inspection for Loose Bottle Caps Section HIGH indicator Display LOW indicator HIGH Threshold Setting 1 Set the operating mode selector to H. The HIGH indicator will start flashing and the present HIGH threshold will be displayed. 2 Set the workpiece and press the TEACH Key. Teaching will be performed.
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Section Inspection for Loose Bottle Caps 5 Press the SET Key. The set value will be entered and the value will flash twice. LOW Threshold Setting 6 Set the operating mode selector to L. The LOW indicator will start flashing and the present LOW threshold will be displayed.
SECTION 2 Preparations This section provides information on preparations that must be made before turning ON the Sensor, such as wiring, connecting, and installing Sensors and Amplifiers. Nomenclature ....... . 2-1-1 Standard Sensors (Separate Type) .
Wiring Section Wiring 2-2-1 I/O Signals Brown (1) 12 to 24 VDC Blue (2) 0 V White (3) HIGH/PASS output Gray (4) LOW/NG output Black (5) Linear output (1 to 5 V) Shield (6) Linear GND Green (7) Bank selection input Purple (8) Timing input (9) Hold reset input...
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Section Wiring (7)Bank Selection Input Selects the thresholds to use for measurement. Bank 1 NPN: Open or connect to 1. PNP: Open or connect to 2. Bank 2 NPN: Connect to 2. PNP: Connect to 1. (8)Timing Input Forcibly turns HIGH/PASS output and LOW/NG output OFF if timing input is turned ON during normal measurement op- erations.
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Section Wiring 2-2-2 I/O Stage Circuit Diagrams NPN Sensors Standard Sensor: Z4LB-CV2 One-side Interruption High-precision Sensors: Z4LB-AjjV2 Brown 100 Ω Black 1- to 5-V linear output Shield Linear output GND HIGH/PASS output White 12 to 24 VDC Load LOW/NG output Gray Load 30 VDC...
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Wiring Section PNP Sensors Standard Sensor: Z4LB-CPV2 One-side Interruption High-precision Sensors: Z4LB-AjjPV2 Brown 100 Ω Black 1- to 5-V linear output Shield Linear output GND HIGH/PASS output White 12 to Load LOW/NG output Gray Load Blue 0 V LD OFF input Pink Timing input Purple...
Section Connections Connections Connect the connector cables from the emitter and the receiver to the side of the Amplifier as below. The connection method is the same for Standard and One-side Interruption High-precision Sensors. Amplifier Emitter Receiver Axis and Gain Adjustments After installing the emitter and the receiver for a Standard Sen- sor, adjust the laser axis and gain according to the sensing dis- tance.
Section Sensor Installation 2 Closely attach the emitter and the receiver with the name- plates of both the emitter and the receiver facing the same direction. 3 Use the provided screwdriver and turn the gain adjuster so that the display on the Amplifier reads 5.000 ± 0.1 V. Turn clockwise or counterclock-...
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Section Sensor Installation Z4LB-S10V2 Sensor 1 Screw the mounting brackets to the emitter and the receiver. The same mounting bracket is used for both the emitter and the receiver. Screws (M3, Length: 25, provided) Nuts (M3, provided) 2 Secure the mounting brackets. Screws (M3) →...
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Sensor Installation Section 2 Secure the mounting brackets. Screws (M4) → Refer to 7-2 Dimensions for mounting dimensions (p. 64). Z4LB-Ajj40V2/Z4LB-Ajj40PV2 Sensors There are two mounting holes, one on the right and one on the left. Screw the holes to install and secure the emitter and the re- ceiver.
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SECTION 3 Basic Settings This section provides information on basic settings, such as the threshold settings for good/ improper product discriminations. Selecting the Measurement Unit ....Setting Thresholds .
Selecting the Measurement Unit Section Selecting the Measurement Unit The measurement unit can be set to linear output voltage (V) or length (mm). In the following example, the unit is set to mm. Display Set the measurement unit selector to mm. The Sensor will display in millimeters.
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Section Selecting the Measurement Unit Checking and Changing the Measurement Width Display 1 Set the operating mode selector to RUN. 2 Press the TEACH and SET Keys simultaneously for 3 s. The present measurement width will be displayed. (The default setting is 10.) 3 Press the Up Key twice and change the value from 1 to 3.
Section Setting Thresholds Setting Thresholds Set the thresholds for good/improper product discrimination. No cap Measured value Example (Incident) Measured value > HIGH threshold: Improper product HIGH threshold Normal LOW threshold < Measured value < HIGH threshold: Good product LOW threshold Cap rise Measured value <...
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Setting Thresholds Section 3 Forced-zero settings: A measured value based on a refer- ence workpiece is set as zero. Add or subtract a tolerance directly to and from the reference value (zero) to set the re- sults as thresholds. The LOW threshold is set. The HIGH threshold is set.
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Section Setting Thresholds 2 Press the Right Key to move the cursor to the value to be changed. The cursor will shift to the right by one digit whenever the Key is pressed. 00.000 The selected value flashes. Press the Right Key. 00.000 Press the Right Key.
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Section Setting Thresholds 3-2-2 Teaching Thresholds HIGH indicator Display LOW indicator HIGH Threshold Setting 1 Set the operating mode selector to H. The display will show the present HIGH threshold and the HIGH indicator will flash. If the bank selection is enabled, the bank number will be displayed.
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Section Setting Thresholds 3 Press the Right Key to move the cursor to the value to be changed. The cursor will shift to the right by one digit whenever the Key is pressed. 02.746 The selected value flashes. Press the Right Key. 02.746 Press the Right Key.
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Section Setting Thresholds 3-2-3 Forced-zero Setting To set the thresholds, a measured value based on a reference workpiece is first set as zero. A tolerance is then added to and subtracted from the reference value (zero) to set the results as HIGH and LOW thresholds.
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Section Setting Thresholds • Clearing Forced-zero Settings To clear the forced-zero settings, press the SET value for 3 s. • Forced-zero settings are possible through the forced-zero input terminal. The value is set if forced-zero input is ON for 0.2 to 0.8 s and cleared if it is input for 1 s or more. Note When forced-zero settings are enabled, HIGH or LOW threshold cannot be set by teaching.
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Section Setting Thresholds The value will be entered and the indicator will flash twice. LOW Threshold Setting 8 Set the operating mode selector to L. The LOW indicator will flash and the display will show the present LOW threshold. 9 Take steps similar to steps 5 and 7 to set the LOW threshold. Displaying Negative Values 80.500 Locate the cursor to the leftmost digit...
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SECTION 4 Optional Settings This section provides information on the optional functions that can be set in addition to the basic settings. Optional Functions ......Key Settings .
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Section Optional Functions Optional Functions The optional settings are made with the selectors or operation keys on the Amplifier. Setting method Function Display Page scale 38 Measurement width oUt 39 Discrimination outputs hys 40 Hysteresis setting hold 42 Hold bank 44 Bank selection baUp 45 Backup...
Section Optional Functions Function Settings with Keys Press TEACH+SET Keys for 3 s. Press TEACH Key for 3 s. scale Measurement width h l1 Discrimination outputs pass h l2 0.020 00.050 Hysteresis setting Display unit: V Display unit: mm hold norml Hold mode...
Section Key Settings Key Settings 4-2-1 Setting the Measurement Width (scale) The following settings are required only if the Z4LB-S30V2 Sen- sor is to be used with the measurement unit set to mm. The following steps make it possible to change the measure- ment width.
Section Key Settings 4-2-2 Selecting the Discrimination Outputs (oUt) There are three methods to discriminate and output measure- ment data. Select the best method for the application. 1 HIGH/LOW Output Mode (h l1) Measured value x HIGH threshold: HIGH output ON Measured value y LOW threshold: LOW output ON 2 PASS/NG Output Mode (pass) LOW threshold <...
Section Key Settings 3 Press the Up Key to go to the discrimination outputs. scale Measurement width Discrimination outputs 4 Press the SET Key. The discrimination outputs can now be selected. 5 Press the Up Key and select the discrimination outputs. h l1 pass h l2...
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Key Settings Section PASS/NG Output Mode Hysteresis HIGH threshold Measured value LOW threshold PASS output NG output HIGH/LOW Inverted OUTPUT Mode Hysteresis HIGH threshold Measured value LOW threshold HIGH output LOW output Procedure 1 Set the operating mode selector to RUN. 2 Press the TEACH Key for 3 s.
Key Settings Section Default setting: The hysteresis is set to 0.020 when the measurement unit is V, to 00.050 when the measurement unit is mm and the measurement width is 10 mm, and to 00.150 when the measurement unit is mm and the measure- ment width is 30 mm.
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Section Key Settings Procedure 1 Set the operating mode selector to RUN. 2 Press the TEACH Key for 3 s. The Sensor will enter function selection mode. 3 Set the Up Key to go to the hold. scale hold Measurement Discrimination Hysteresis Hold...
Section 4-2-5 Enabling the Bank Selection (bank) The Z4LB V2 has two banks in which thresholds can be set inde- pendently. Having different sets of threshold values enables eas- ier changeovers. If the bank selection is enabled, select the bank when setting the thresholds.
Section Key Settings 4-2-6 Enabling Backup (baUp) Determine whether the forced-zero value is to be backed up or not, i.e., to hold the value after the Sensor is turned OFF. If the backup is not enabled, the value will be lost when the Sensor is turned OFF.
Section Key Settings 4-2-7 Initialization (reset) The following procedure can be used to clear all set values and return to the default values. Procedure 1 Set the operating mode switch to RUN. 2 Press the TEACH Key for 3 s. The Sensor will enter function selection mode.
Selector Settings Section Selector Settings D Dark mode L Light mode 4-3-1 Light/Dark Mode Use the selector to set the Sensor to light mode or dark mode. Light Mode The output is proportional to the amount of incident light. Emitter Receiver Sensing object * “F.S.”...
Section Selector Settings Dark Mode Emitter Receiver Sensing object The output is proportional to the amount of blocked light. * “F.S.” stands for full scale. In the case of the Z4LB-S10V2, for example, the F.S. value is 10 mm. Blocked light Rod diameter Example inspection...
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SECTION 5 Timing Charts This section provides timing charts to show the operation of the holds. Normal ........Peak Hold .
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Section Normal Normal The result of measurement is always displayed and output. The hold does not work. Example: Timing Chart in Normal HIGH/LOW Output Mode Measured / Displayed value (Output) HIGH threshold LOW threshold HIGH output LOW output Timing input Note The discrimination outputs are turned OFF when the timing input turns ON.
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Section Peak Hold Peak Hold The maximum value while the timing input is ON is displayed, output, and held. The discrimination outputs are controlled ac- cording to the displayed value and output value. Displayed value (Output) Measured value Sampling Sampling Timing input The discrimination outputs are not turned OFF when the timing input turns ON.
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Section Bottom Hold Bottom Hold The minimum value while the timing input is ON is displayed, out- put, and held. The discrimination outputs are controlled accord- ing to the displayed value and output value. Displayed value (Output) Measured value Sampling Sampling Timing input The discrimination outputs are not turned OFF when the timing...
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Section Sample Hold Sample Hold The current value when the timing input turns ON is displayed, output, and held. The discrimination outputs are controlled ac- cording to the displayed value and output value. Displayed value (Output) Measured value Timing input The discrimination outputs are not turned OFF when the timing input turns ON.
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Section Peak-to-peak Hold Peak-to-peak Hold The difference between the maximum and minimum values while timing input is ON is displayed, output, and held. he dis- crimination outputs are controlled according to the displayed val- ue and output value. Displayed value (Output) Measured value Sampling Sampling...
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Section Self-peak Hold Self-peak Hold The maximum value while the measured value is equal to or greater than the trigger level is displayed, output, and held. discrimination outputs are controlled according to the displayed value and output value. The trigger level is a threshold value specifying the sampling pe- riod of the measured value.
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Section Self-bottom Hold Self-bottom Hold The minimum value while the measured value is equal to or less than the trigger level is displayed, output, and held. The discrimi- nation outputs are controlled according to the displayed value and output value. Note When timing input is ON self-bottom hold, no sampling is per- formed.
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SECTION 6 Troubleshooting This section provides information on error messages and remedies to be taken. Refer to this section before requesting service from your OMRON representative.
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Section 6 Troubleshooting When an error occurs, refer to the following list. If the error can- not be corrected, contact your OMRON representatives. Display Cause and action Recovery method error The setting is out of range. Automatically reset. " Set the data again.
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SECTION 7 Specifications and Dimensions This section provides the Sensor specifications and dimensions. Specifications ....... . 7-1-1 Standard Sensors (Separate Type) .
Section Specifications Specifications 7-1-1 Standard Sensors (Separate Type) Sensors Item Z4LB-S10V2 Z4LB-S30V2 Light source Visible-light semiconductor laser (Wavelength: 650 nm, IEC Class 1, FDA Class II) Measurement width 10 mm 30 mm Sensing distance 0 to 300 mm Minimum sensing object 0.1 mm dia.
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Section Specifications Amplifiers Item NPN Amplifier: Z4LB-CV2 PNP Amplifier: Z4LB-CPV2 Response time 0.3 or 5 ms (switch-selectable) 1 to 5 V (output impedance: 100 Ω, allowable load Linear Output voltage output resistance: 10 kΩ min.) Z4LB-S10V2: 5 µm (5 ms), 10 µm (0.3 ms) (see note 1) Resolution Z4LB-S30V2 15 µm (5 ms), 30 µm (0.3 ms) Temperature...
Section Specifications 7-1-2 One-side Interruption High-precision Sensors (Integrated Type) Item Z4LB-A1040V2 Z4LB-A3040V2 Input/ Z4LB-A1040V2 Z4LB-A3040V2 Output Output Z4LB-A1040PV2 Z4LB-A3040PV2 type Light source Visible-light semiconductor laser (Wavelength: 650 mm, IEC Class 1, FDA Class II) Sensing width 10 mm 30 mm Sensing distance 40 mm Min.
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Section Specifications Item Z4LB-A1040V2 Z4LB-A3040V2 Vibration Sensor 10 to 150 Hz, half-amplitude of 0.75 mm, acceleration of resistance 100 m/s max. Amplifier 10 to 150 Hz, half-amplitude of 0.15 mm acceleration of 20 m/s max. Dielectric Sensor 1,000 VAC 50/60 Hz 1 min strength Amplifier 300 VAC 50/60 Hz 1 min...
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