3Z4M 3Z4M Laser Displacement Sensor 3Z4M High Resolution to 10 μ or 50 μ, Gives Precise Linear Output and Displays Distance nDistance is displayed in millimeters on controller nReady-to-use linearized output is both -10 to +10 VDC and 4 to 20 mA nSensing distances of 40 mm and 100 mm nColor of target has minimal effect on sensing nUL/CSA approved, FDA Class IIIb certified nSmall sensing head Ordering Information n LASER DISPLACEMENT SENSOR SYSTEM Sensor heads and controllers are ordered by specifying the appropriate system part number for the desired sensor/controller combination. Each part includes a sensor and controller. Sensing range Resolution Cable length Part number (Sensor head + Controller) with distance display 30 mm to 50 mm 10 μm5 m 3Z4M-J1001-801 (1.18 in to 1.97 in) 10 m 3Z4M-J1001-802 70 mm to 130 mm 50 μm5 m 3Z4M-J1222-805 (2.76 in to 5.12 in) 10 m 3Z4M-J1222-806 n EXPLANATION OF PART NUMBERS: (Sensor heads and controllers cannot be ordered separately.) System part number Sensor head part number Controller part number 3Z4M-J1001-801 3Z4M-S01-6 3Z4M-J10-801 3Z4M-J1001-802 3Z4M-S01-7 3Z4M-J1222-805 3Z4M-S22-6 3Z4M-J12-805 3Z4M-J1222-806 3Z4M-S22-7 1 3Z4M 3Z4M Specifications n OPERATING CHARACTERISTICS Model (with digital display) 3Z4M-J1001-q3Z4M-J1222-q Supply voltage 120 VAC, +10%, -15%, 50/60 Hz Current consumption 15 VA Measuring range ±10 mm (0.39 in) ± 30 mm (1.18 in) Center distance of measurement (See Notes 1 and 2) 40 mm (1.57 in) 100 mm (3.94 in) Light source Laser diode (wavelength: 780 nm; light output: 5 mW max.) Spot size (See note 2) 0.6 X 0.3 mm 1.0 X 2.0 mm Resolution (See note 3) 10 μm 50 μm Zero point adjustment (for fine tuning to zero) ±0.7 mm ± 2 mm Sensitivity selection Switch-selectable between 2 levels, LOW and HIGH Input Remote interlock input External switching impedance: 30 Ω max. Outputs Analog displacement output -10 to +10 V/full scale, 4 to 20 mA/full scale Alarm output One open-collector output (100 mA max. load at 30 VDC); when DARK, BRIGHT, or RANGE indicator is ON, the alarm output is ON. Response speed (See note 4) 1 ms or 20 ms (switch selectable) Ambient operating light intensity 3,000 lux or less (white light) Ambient temperature Operating 0° to 50°C (32° to 122°F) Storage -25° to 65°C (-13° to 149°F) Displays Data display 3 1/2 digits (with minus sign) 3 digits (with minus sign) Alarm display 3 LED indicators: DARK, BRIGHT, RANGE Power display Green indicator LED is lit when power is ON Enclosure UL — NEMA — IEC 144 Sensor- IP50; Controller -No protection Laser protection class FDA Class IIIb, Accession # 9020115-00 Approvals UL Recognized, File Number E41515 CSA Certified, File Number LR4595-101 Note: 1. The reference point of the displacement 3. Rise and fall times (10% to 90%) of analog displacement measurement is the distance from the output when the displacement variable changes stepwise. sensor front surface to the object to be measured. 2. The spot size changes depending on the distance as follows: 0.4 mm 0.3 mm 0.2 mm Displacement 3Z4M-S01 0.8 mm 0.6 mm 0.4 mm 90% 10% Laser Beam Analog 30 mm displacement Tr Tf output 40 mm Center distance 50 mm 1.5 mm 1.0 mm 0.8 mm 3Z4M-S22 3.0 mm 2.0 mm 1.5 mm Laser Beam 70 mm 100 mm Center distance 130 mm 2 3Z4M 3Z4M Engineering Data Objects that reflect diffused light can be measured with high precision. Errors may occur when shiny, reflective objects or transparent objects are measured. Measurements with various types of materials are shown below. (Temperature: 23°±3° C) n 3Z4M-J12q White paper Black paper +1.0 +1.0 +0.5 +0.5 0 0 -0.5 -0.5 -1.0 -1.0 70 100 130 70 100 130 Measuring distance (mm) Measuring distance (mm) Aluminum Iron sheet +1.0 +1.0 +0.5 +0.5 0 0 -0.5 -0.5 -1.0 -1.0 70 100 130 70 100 130 Measuring distance (mm) Measuring distance (mm) Black rubber ABS resin +1.0 +1.0 +0.5 +0.5 0 0 -0.5 -0.5 -1.0 -1.0 70 100 130 70 100 130 Measuring distance (mm) Measuring distance (mm) 3 Error (mm) Error (mm) Error (mm) Error (mm) Error (mm) Error (mm) 3Z4M 3Z4M n 3Z4M-J10q Colored paper: Green Black rubber +1.0 +1.0 0 0 -1.0 -1.0 30 40 50 30 40 50 Measuring distance (mm) Measuring distance (mm) Colored paper: Red Iron sheet +1.0 +1.0 0 0 -1.0 -1.0 30 40 50 30 40 50 Measuring distance (mm) Measuring distance (mm) Colored paper: Black Aluminum plate +1.0 +1.0 0 0 -1.0 -1.0 30 40 50 30 40 50 Measuring distance (mm) Measuring distance (mm) 4 Error (mm) Error (mm) Error (mm) Error (mm) Error (mm) Error (mm) 3Z4M 3Z4M Nomenclature n SENSOR HEAD Reference plane 3Z4M-S01, 3Z4M-S22 Laser Laser emitter emission Laser emission mark indicator Light receiver Cable Mounting screw n CONTROLLER (WITH DISPLAY) 3Z4M-J10-801, 3Z4M-J12-805 Data display (LED display), see note Alarm indicator POWER switch LEDs Laser emission indicator Connection for sensor head Note: Response Zero point Sensitivity J10: 3 1/2-digit data display level adjuster level selector selector J12: 3-digit data display Operation n FUNCTIONS Item Applicable model Function Data display 3Z4M Displays the position displacement from the center of the measurement in units of mm. -J10q Model Lo Measuring range NEAR FAR -J12q - + (± ΔL) FAR -J10 40 mm -10 to 10 mm -J12 100 mm -30 to 30 mm Lo (center distance of measurement) Alarm indication 3Z4M The RANGE indicator (LED) lights when the object to be measured is outside the measuring range of the displacement meter. The following two LED indicators light according to the -J10q quantity of light incident on the receiver. When the light is too strong, the BRIGHT indicator is -J12q ON. When the incident light is too weak, the DARK indicator is ON. RANGE indicator Model Measuring range NEAR FAR (± ΔL) Measuring -J10 40 mm ± 10 mm range Lo- L Δ -J12 100 mm ± 30 mm Lo Lo+ L Δ 5 3Z4M 3Z4M Item Applicable Function model Analog displacement 3Z4M Outputs an analog signal according to the measuring distance. output -J10q Model Measuring range (ΔL) Voltage output Current output -J12q -J10 -10 to 10 mm Load impedance: Load impedance: 10 KΩ min. 500 Ω max. -10 V to 10 V 4 to 20 mA -J12 -30 to 30 mm Load impedance: Load impedance: 10 KΩ min. 500 Ω max. -10 V to 10 V 4 to 20 mA Analog voltage +10 V NEAR - L Δ Data hold Displacement + L Δ FAR Analog displacement -10 V ON Analog current Alarm output OFF OFF 20 mA Time 12 mA 4 mA Displacement - L Δ + L Δ NEAR FAR Alarm output 3Z4M When one of the RANGE, BRIGHT, or DARK alarm indicators light, the alarm output -J10qturns on. The output is an open-collector type (maximum load current: 100 mA: -J12qmaximum voltage: 30 V). External DC voltage must be provided. Zero point adjustment 3Z4M Minute adjustments can be performed on the zero point of the displayed value (analog -J10qdisplacement output) with the variable resistor (VR) on the lower side of the front panel. -J12q Data display Data display +10 V +10 V -10.7 mm -32 mm -0.7 mm -2.0 mm -10 -30 Displacement Displacement +10 +30 +0.7 mm +2.0 mm +10.7 mm +32 mm Measuring range Measuring range -10 V -10 V min ± .7 mm With J10 min ± 2 mm With J12 Response speed selection 3Z4M The averaged time of the analog displacement output can be selected with the -J10qresponse selector switch on the lower side of the front panel. -J12q Sensitivity selection 3Z4M Normally, objects with a high reflection factor, as well as those with an allowable J10qreflection factor can be measured without sensitivity selection. However, when J12qmeasuring an object which reflects an extremely low quantity of light, use with the SENSITIVITY selector switch on the lower side of the front panel. Remote interlock terminals 3Z4M These terminals are in series with the on/off switch on the controller. A jumper is -J10qprovided across terminals 1, 2, and 3 (3 is unused). If a remote interlock is needed, -J12qremove the jumper and connect a switch across terminals 1 and 2. Laser emission indicator 3Z4M When power is turned ON, the laser emission indicator lights immediately. -J10q -J12q 6 3Z4M 3Z4M Dimensions Unit: mm (inch) n SENSORS 3Z4M-S01-q Laser Laser emission Lens Cover 17.3 (.68) emission 20 position 50 (1.97) indicator (.79) 18 20 5 (.20) 10 5 (.20) 40 (1.57) (.71) (.79) (.39) 11 0.5 (.43) (.02) 57 45 55 (2.24) (1.77) (2.17) Cable grips Two M4 screw holes 80 (3.15) In-line Connector in Sensor Cable 80.5 (3.17) 37.5 6.6 dia. +0.06 / -0.04 Press-fit joints (1.48) 14.7 (.58) dia. Cable strap (Cable thickness) 3Z4M-S22-q Lens Cover 10.5 (.41) 48 (1.89) 0.1 (.004) 0.1 (.004) 3.7 Two M4 screw holes 18 (.15) 43 (1.69) 5 (.71) 8.5 +0.5 42 P= 40 (1.65) Laser 6 dia. 35.6 ±0.08 (1.57) emission position Cable 6.6 dia. +0.04 / -0.02 grips 20 3.7 3.7 (.79) 80 (.15) P=35.6 ±0.08 10.5 3.7 (.15) (3.15) Laser emission (.41) (.15) indicator Cable strap n CONTROLLERS 3Z4M-J10-801 3Z4M-J12-805 176 (6.93) 20 (.79) 16 47 160 (6.30) (.63) (1.85) 13 10 nn96 (3.78) (.51) (.39) 91 (3.58) 28 (1.10) 7 3Z4M 3Z4M Installation n TERMINAL ARRANGEMENT 3Z4M-J10-q, 3Z4M-J12-q Analog output (4 to 20 mA) Analog output (+10 VDC) Alarm output 120 VAC, 50/60 Hz Remote interlock F.G. n OUTPUTS OF DISPLACEMENT METER CONTROLLER Analog Voltage Output Analog Current Output Alarm Output + 6 10 V 5 Load 8 4 to 20 mA Load Load 7 9 4 Load impedance must Load (30 V, 100 mA) Load impedance must be 500 Ω or less be 10 KΩ or more Remote Interlock 2 Y Main circuit 1 Input impedance must be 30 Ω or less Precautions n SAFETY The laser displacement sensors 3Z4M-J10 and 3Z4M-J12 are classified as Class IIIb laser products by the FDA. Accession number is 9020115-00 and is identified as such by the warning label. Looking directly into the beam may cause damage to the eyes. 8 3Z4M 3Z4M n LABELS Information labels and a laser radiation warning label are located on the 3Z4M sensor head. When installing the 3Z4M, position the sensor head so these labels can be viewed easily LASER RADIATION by the operator and maintenance personnel. AVOID DIRECT EXPOSURE TO BEAM LASER DIODE AVOID 5 MILLIWATT MAXIMUM OUTPUT EXPOSURE CLASS III B LASER n INSTALLATION Invisible Install the sensor head in a location where the laser beam will laser not enter the operator's eyes directly or from reflection by a radiation is mirror surface. Also, mount the operation indicator (LED) in an emitted from this easily visible position. TYPE 3Z4M-S01 aperture Tc=25°C, 5 mW When installation in a location presents unavoidable exposure, T:111μsec ts:55.4μsec f: 8 kHz use a screen or another item to guard the laser beam from This product complies with 21 CFR 1040, 10 and 1040,11 OMRON CORPORATION leaking to the outside. 10 TSUCHIDO-CHO, HANAZONO, UKYO-KU, KYOTO 615 JAPAN The laser radiation emitted by the 3Z4M is invisible. Avoid eye MANUFACTURED ,1991 A and body contact with the beam. Do not look directly into the beam. n MAINTENANCE Users should not try to carry out repairs or maintenance on the 3Z4M, which contains no serviceable parts. Refer all servicing Incorrect: to OMRON . Never disassemble the unit. n SENSOR CABLE The sensor cable must not be connected to, nor disconnected from, the 3Z4M when the controller is switched ON. Laser beam n REMOTE INTERLOCK By removing the jumper across terminals 1 & 2, a remote Correct: interlock switch may be connected. The laser will only work when the remote interlock switch is closed and the power switch is ON. Screen NOTE: DIMENSIONS ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4. OMRON ELECTRONICS, INC. OMRON CANADA, INC. One East Commerce Drive 885 Milner Avenue Schaumburg, IL 60173 Scarborough, Ontario M1B 5V8 1-800-55-OMRON 416-286-6465 Cat. No. GC MSEN3 2/98 Specifications subject to change without notice. Printed in the U.S.A. 9