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Photomicrosensor with Amplifier and Cable


Through-beam type, Pre-wired models, Sensing distance 300 mm max., Light-ON, NPN open collector output, Light indicator

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

Item list of EE-SPW321 / 421

  • Ratings/Performance
Sensing methodThrough-beam type
Sensing distance300 mm max.
Operation modeLight-ON
Standard sensing objectOpaque, 2 mm dia. min.
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 consumptionAverage value: 30 mA
Control outputOutput typeNPN open collector output
Load power supply voltage12 to 24 VDC
Load curren100 mA max.
Residual voltageat 100 mA load current: 1 V max.
Response timeOperate or reset: 1 ms max.
Illumination on the surface receiverIncandescent lamp: 3000 lx max.
Sunlight: 10000 lx max.
Ambient temperatureOperating: -20 to 55 ℃
Ambient humidityOperating: 5 to 85% RH
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s2
Degree of protectionIP64
Connection methodPre-wired models
Cable length2 m (Cable length from emitter to amplifier: 1 m)
WeightPackage: Approx. 76 g
MaterialCase: ABS resin
Lens: Acrylic 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

  • I/O Circuit diagram

Output circuit

Timing chart

  • Engineering data (Reference value)


Photomicrosensor with Amplifier and Cable

EE-SPW321 / 421