Photoelectric Sensor with Separate Digital Amplifier (Laser-type)


Amplifier Unit, Light-ON/Dark-ON selectable, NPN output, Pre-wired models (2 m), Timer function, Analog output

Connection method Pre-wired models (Cable length: 2 m)

Item list of E3C-LDA

  • Ratings/Performance
Separate Amplifier classificationAmplifier Unit
Power supply voltage12 to 24 VDC ±10% (ripple (p-p) 10% max.)
Power consumption1080 mW max. (at 24 VDC, current consumption: 45 mA)
Control outputNPN open collector output
26.4 VDC max.
Load current: 50 mA max.
Residual voltage: 1 V max.
Voltage output: 1 to 5 VDC (connected load 10 kΩmin.), Temperature characteristics 0.3% F.S./°C
Repeat accuracy: 4.0% F.S. (Super-high-speed mode/High-speed mode), 2.0% F.S. (Standard mode/High-resolution mode)
Operation modeLight-ON/Dark-ON selectable
Protective circuitMutual interference prevention (disabled at super-high-speed mode)
Response time100 µs max. (Super-high-speed mode)
250 µs max. (High-speed mode)
1 ms max. (Standard mode)
4 ms max. (High-resolution mode)
Timer functionSelect from ON-delay, OFF-delay, or One-shot delay
1ms to 5s
Ambient temperature (Operating)-25 to 55 ℃ (Groups of 1 to 2 Sensors)
-25 to 50 ℃ (Groups of 3 to 10 Sensors)
-25 to 45 ℃ (Groups of 11 to 16 Sensors)
(with no icing or condensation)
Ambient temperature (Storage)-30 to 70 ℃
(with no icing or condensation)
Ambient humidityOperating: 35 to 85%
Storage: 35 to 85%
(with no icing or condensation)
Insulation resistance20 MΩ min. at 500 VDC
Dielectric strength1000 VAC at 50/60 Hz for 1 min
Vibration resistance10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance500 m/s**2 for 3 times each in X, Y, and Z directions
Degree of protectionIEC: IP50
Connection methodPre-wired models (Cable length: 2 m)
IndicatorOperation indicator (orange), Power tuning indicator (orange), Digital Display
Weight (packed state)Approx. 100 g
MaterialCase: PBT
Cover: Polycarbonate
Amplifier unit/senso head of combinationE3C-LD[][], E3C-LR[][]
  • Dimensions

  • Output circuit


Photoelectric Sensor with Separate Digital Amplifier (Laser-type)


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