Expandable Area SensorPJ series


Expansion Unit

[Discontinued model]

This model has been discontinued.

Recommended Replaceable Products
To contact us:


Select Language




Extension unit A

Combination controller

PJ-V90, PJ-V91*1

No. of beam axes


Beam axis spacing

40 mm 1.57"

Maximum optical axis number

32 (PJ-V40 × 1 + PJ-V41 × 7)

Detection area

120 mm 4.72" (4 optical axes) to 1,240 mm 48.82" (32 optical axes)*2

Detecting distance


Detectable object

Opaque material with a diameter of 48 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-color 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 temperature range

-10 to 55°C 14 to 131°F, No freezing

Operating ambient humidity

35 to 95 % RH (No condensation)


10 to 55 Hz, 0.7 mm 0.03" 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



Approx 320 g

End cap

Mounting bracket

Interim support tool

*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)

  • For Beginners Sensor Basics Understanding fundamental - Introduction Guide to Sensors

Latest / Most Downloaded

    • General Catalog Request
    • Trade Shows and Exhibitions
    • eNews Subscribe