Expandable Area SensorPJ series


Base Unit

[Discontinued model]

This model has been discontinued.

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Base unit

Combination controller

PJ-V90, PJ-V91*1

Number of optical axes


Beam axis spacing


Maximum optical axis number

64 (PJ-V20 × 1 + PJ-V21 × 7)

Detection area

140 mm (8 optical axes) to 1,260 mm (64 optical axes)*2

Detecting distance


Detectable object

Opaque material with a diameter of 28 mm or more

Light source

Infrared LED (peak wavelength : 880 nm)

Operation format

Turned on when light is being applied to all optical axes

Effective aperture angle

±2.5° maximum (when the detecting distance is 3 m or more)*3

Indicator lamp

A string of 8, 2-Colour LEDs (red and green) for the transmitter and receiver



3-core shielded cable (0.5 mm2) with dedicated connector, length : 500 mm


4-core shielded cable (0.5 mm2) with dedicated connector, length : 500 mm


The transmitter and receiver cables can both be extended to a maximum length of 20 m. (This does not include the base unit's 50 cm.) Use the optional connection cables to extend the cable lengths as much as necessary.

Environmental resistance

Enclosure rating


Operating ambientluminance

Incandescent lamp : 5,000 lux or less, sunlight : 20,000 lux or less

Operating ambient temperature

-10 to +55°C (no freezing)

Operating ambient humidity

35 to 95 % RH (No condensation)


10 to 55 Hz, 0.7 mm double amplitude, 20 times in each of the X, Y, and Z directions

Shock resistance

100 m/s2, 16 ms pulse, 1,000 times in each of the X, Y, and Z directions


Case : aluminum, lens cover : polyarylate


Main body

Approx 430 g

End cap

Approx 140 g

Mounting bracket

Approx 50 g (1 pc.)

Interim support tool

Approx 5 g (1 pc.)

*1 The PJ-V91 cannot be used in a standalone manner. It is a subcontroller used to extend the PJ-V90.
*2 For information on the number of extension units and the detection area, see the manual.
*3 Based on IEC 61496 (EN61496)

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