Page top

EE-SX77 / SX87

Photomicrosensor with Slim Cable (Non-modulated)

EE-SX77 / SX87

Slim, Compact Photomicrosensor that is still easy to use. Conforms to ISO13849-1 (PLc, cat1), September 2023.

Ratings and Specifications

Type Standard L-shaped T-shaped
NPN models EE-SX770/EE-SX870
PNP models EE-SX770P/EE-SX870P
Sensing distance 5 mm (slot width)
Sensing object Opaque: 2 × 0.8 mm min.
Differential distance 0.025 mm
Light source GaAs infrared LED with a peak wavelength of 940 nm
Indicator Light indicator (red) (turns ON when light is interrupted for models with A or R suffix)
Supply voltage 5 to 24 VDC ±10%, ripple (p-p): 10% max.
Current consumption 12 mA max.
Control output NPN open collector:
5 to 24 VDC, 100 mA max.
100 mA load current with a residual voltage of 0.8 V max.
40 mA load current with a residual voltage of 0.4 V max.
OFF current (leakage current): 0.5 mA max.
PNP open collector:
5 to 24 VDC, 50 mA max.
50 mA load current with a residual voltage of 1.3 V max.
OFF current (leakage current): 0.5 mA max.
Protection circuits Load short-circuit protection
Response time Light-ON: 20 μs max, Dark-ON: 100 μs max.
Maximum response
frequency *1
3 kHz max.
Ambient illumination 1,000 lx max. with fluorescent light on the surface of the receiver
Ambient temperature range Operating: - 25 to +55 °C
Storage: - 30 to +80 °C (with no icing)
Ambient humidity range Operating: 5% to 85%
Storage: 5% to 95% (with no condensation)
Vibration resistance Destruction: 10 to 2,000 Hz (peak acceleration: 100 m/s2)
1.5-mm double amplitude for 2 h (4-min periods) each in X, Y, and Z directions
Shock resistance Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions
Degree of protection *2 IEC60529 IP64
Connecting method Pre-wired (standard cable length: 2 m)
Weight (packaged) Approx. 20 g
Material Case: Polybutylene phthalate (PBT)
Conformity standards UL Certification, CE Marking, ISO13849-1 (PLc, cat1) *2

*1. The response frequency was measured by detecting the following rotating disk.

EE-SX77 / SX87 Specifications 3

*2. Degree of protection IP64 when conforming to ISO13849-1 (PLc, cat1). Conforms to September 2023.
  Refer to the Instruction Sheet and Information for ISO13849-1 Compliance for conformance to ISO 13849-1.