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Photomicrosensor with Amplifier and Cable


Modulated Through-beam type, Pre-wired models (2m), Sensing distance 300 mm, Light-ON, NPN Open collector output

Sensing method Through-beam type
Sensing distance 300 mm
Operation mode Light-ON
Control output (Output type) NPN Open collector output
Connection method Pre-wired models

Item list of EE-SPW321 / 421

  • Ratings/Performance
Sensing methodThrough-beam type
Sensing distance300 mm
Operation modeLight-ON
Standard sensing objectOpaque object (2 mm dia. min.)
(Detection of objects up to 0.5 mm wide is possible by using slit installation.)
Directional angle10° to 40°
Light source (Peak wavelength)GaAs infrared LED (pulse lighting) (940 nm)
IndicatorLight indicator (red LEDs on Sensor and Amplifier)
Power supply voltage12 to 24 VDC ±10% (ripple (p-p)5% max.)
Current consumption30 mA max.
Control output (Output type)NPN Open collector output
Control output (Load power supply voltage)12 to 24 VDC
Control output (Load current)100 mA max.
Control output (Residual voltage)1 V max. (at 100 mA load current)
Response time1 ms max. for both detection and reset
Illumination on the surface receiverIncandescent light: 3000 lx max.
Sunlight: 10000 lx max.
Ambient temperatureOperating: -20 to 55 ℃
(with no icing or condensation)
Ambient humidityOperating: 5 to 85% RH
(with no icing or condensation)
Vibration resistance10 to 55 Hz, 1.5-mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistance500 m/s**2
Degree of protection (IEC60529)IP64
Connection methodPre-wired models
Cable length2 m (Cable length from emitter to amplifier: 0.5 m)
MaterialCase: ABS resin
Lens: Acrylate resin
AccessoriesSlits: 0.5 x 3 mm, 1 x 3 mm, 3 x 0.5 mm, 3 x 1 mm
Sems screws with spring washers and flat washers (M2.6 x 12)
Instruction manual
  • Dimensions

Caution: All_units are in millimeters unless otherwise indicated.

  • I/O Circuit diagram

Timing chart

  • Engineering Data (Typical)


Photomicrosensor with Amplifier and Cable

EE-SPW321 / 421