Microphotonic Devices (Micro-displacement Sensor) Z4D-C01 Micro-displacement Sensor Enable to detect 10 m level displacement, applicable to detect duplicated paper feeding or deflection amount. Displacement output changes by object colors are stabilized with signal divider circuit. Operating area = 6.5 1 mm. Be sure to read Safety Precautions on page 3. Ordering Information Micro-displacement Sensor Sensing Appearance Connecting method Sensing distance Output type Model method 16 6.5 1 mm Triangulation Connector Analog output 15 35.5 Ratings, Characteristics and Exterior Specifications Absolute Maximum Ratings (Ta = 25C) Exterior Specification Item Symbol Rated value Unit Remarks Material Connecting Weight (g) Supply voltage VCC 7 V --- method Case Cover Lens LED pulse light Connector 3.6 Polycarbonate Polycarbonate PMMA PLS 7 V LED emission control signal Please refer Pulsed Forward Electrical and Optical Characteristics (Ta = -10C to 65C) LED light emission pulse tFP 100 ms Current Rated Curve Item Symbol Rated value Remarks Operating temperature Topr -10 to +65 C No freezing or condensation Ripple (p-p): 10 mV Storage temperature Tstg -25 to +80 C --- Power supply voltage VCC 5 V 10% p-p max. Note: Refer to Pulsed Forward Current Rated Curve. Output voltage OUT 0.2 V to (VCC - 0.3) V *1 tr1 100 s max. *2 Response delay Characteristics (Ta = 25C) time tr2 500 s max. *3 Object: N8.5 Munsell paper with a reflection factor of 70%. LED pulse light emission control PLS 3.5 V to VCC --- Item Value signal voltage Operating area *1 6.5 1 mm *1. Load impedance (between OUT-GND) is set at more than 10 k . Sensitivity variation *2 -1.4 mV/ m 10% max. *2. tr1: Rise time of output voltage from 10% to 90%. Resolution *3 10 m max. *3. tr2: Setup time from PLS rising edge to measured output value Linearity *4 2% F.S. (full scale) max. rising edge. *1. Distance from Mounting Reference Plane to Target. *2. The sensitivity is defined as slope of the line and it represents the variation in the output voltage per unit length between different products. Sensitivity V0: Output voltage at the point d0 V1 - V0 variation = V1: Output voltage at the point d1 (mV/m) d0,d1: Distance between datum clamp 2000 face and detective object d0 5.5 mm d1 7.5 mm *3. This is the value of the electrical noise width in the output signal converted to a distance under the following conditions. (1) Noise width is measured in a waveform after the four times average with an oscilloscope. (2) Ripple noise in the power supply voltage (Vcc): 10 mVp-p max. (3) Distance from mounting reference plane to target: 6.5 mm (4) Resolution is measured by the voltage of response delay time (tr2). *4. This is the peak-to-peak value of the deviation of the signal output from a straight line. A linearity of 2% F.S. indicates the following value: (1) Distance full-scale converted value: 2 mm 0.02 = 0.04 mm (40 m) (2) Output voltage converted value: 1.4 mV/m 40 m = 56 mV (for a sensor with a sensitivity of 1.4 mV/ m) 1Z4D-C01 Engineering Data (Reference value) Fig 1. Operating Distance Fig 2. Dependency of Object Fig 3. Temperature Fig 4. Pulsed Forward Characteristics (Typical) on Reflection Factor (Typical) Characteristics (Typical) Current Rated Curve (ms) 5 50 100 tFP Duty ratio (%)= 100 Vcc = 5 V 100 T 40 80 Distance: 6.5 mm 30 60 tFP 4 T 40 20 10 20 10 3 0 0 Recommended operating area 2 -10 -20 1 -40 -20 -60 1 -30 -80 -40 0 -50 -100 0.1 0 20 40 60 80 100 -40 -20 020 40 60 80100 0 20 40 60 80 5675.5 6.5 7.5 8 Ambient temperature (C) Reflection factor of object (%) Duty ratio (%) Operating distance (mm) Circuit diagram/Connection diagram CPU PSD Division OUT I/V A/D D/A A/D Amplifier Output V1 port Conversion Conversion Conversion V +V 1 2 Digital output 5 V LED Object PLS D port Timer GND Output voltage signal is obtained by applying the pulse Microprocessor signal at PLS terminal. Please be careful, it is not obtained (User) by DC voltage applying. Micro-displacement Sensor User Pulse Input and Sensor Output <Pulse Input> Voltage <Sensor Output> Waiting Waiting Setup Output time time Output voltage depends on input. After setup time tr2, Voltage output signal is obtained according to the distance. tr2 After setup, output signal is updated every 80 micro seconds. * tr1 * Update every 80 micro seconds. Output signal is reset at pulse input signal falling low level, and start setup over again after next input signal applying. Application Examples Micro-displacement Detecting Paper Detecting Two Sheets of Paper Detecting Sensor Thickness in Printers Sheet Paper Thickness Micro-displacement Sensor Roller Shaft Sheet Displacement Roller Sensor 2 Output voltage (V) Sensitivity change ratio (%) Output change ratio (mV) Pulse width (tFP)