Key Specifications Parameter Value/Description Manufacturer Omron Automation and Safety Part Number EE-SPY311 Series EE-SPY31 Type Light Convergent Reflective Photomicrosensor Housing Shape Horizontal (Cuboid) Sensing Method Limited Reflective / Convergent Reflective Output Configuration NPN - Open Collector Operation Mode Dark-ON (Output ON when light is blocked/interrupted) Termination Style Connector type (Solder not permitted on pins) RoHS Compliant Yes Optical & Sensing Specifications Parameter Value Sensing Distance 2 to 5 mm (with 90% reflective white paper, 15×15 mm) Minimum Sensing Object 0.05 mm diameter pure copper wire Distance to Background 20 mm or more (to avoid detection of aluminum-deposited glass background) Differential Distance (Hysteresis) 0.2 mm (at 3 mm sensing distance, horizontal direction) Light Source GaAs Infrared LED (peak wavelength: 940 nm) Indicator Red LED (lights when light is received) Response Frequency 100 Hz min. Electrical Specifications Parameter Value Supply Voltage 5 to 24 VDC ±10% (ripple p-p: 5% max.) Current Consumption Average: 15 mA max.; Peak: 50 mA max. Control Output (Load Current) 80 mA max. Residual Voltage (at 80 mA) 1.0 V max. Residual Voltage (at 10 mA) 0.4 V max. OFF Current 0.5 mA max. Environmental & Mechanical Specifications Parameter Value Ambient Illumination Incandescent/Sunlight: 3,000 lx max. (on receiver surface) Operating Temperature -10°C to 55°C Storage Temperature -25°C to 65°C Ambient Humidity (Operating) 5% to 85% RH Vibration Resistance (Destruction) 10 to 50 Hz, 1.5 mm double amplitude, 2 hours each in X, Y, Z directions Shock Resistance (Destruction) 500 m/s², 3 times each in X, Y, Z directions Degree of Protection IP50 Weight Approx. 2.6 g