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Expandable Area SensorPJ series

Expansion Controller


[Discontinued model]

This model has been discontinued.

Compliance with the certification standard is ensured as of the time of shipment from our company.

Recommended Replaceable Products
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Extension controller

Combination sensor head

PJ-G20, PJ-G21, PJ-G22

Response time

Control output (relay output)

15 ms maximum, ON to OFF (including the sensor head response time)*1

External input

Input method

non-voltage input (contact or solid-state)


Control output

125 VAC, 0.5 A; 30 VDC, 2 A (resistive load); 125 VAC, 0.5 A (cosØ = 1; inductive load); 30 VDC, 2 A (cosØ = 1; inductive load)


Relay output

230 VAC, 4 A; 30 VDC, 2 A (resistive load); 230 VAC, 4 A (cosØ = 1; inductive load); 30 VDC, 2 A (cosØ = 1; inductive load)


Mechanical life : 10,000,000 times or more, electrical life : 100,000 times or more (When you are using an inductive load, we recommend that you use a surge protector.)

Protection circuit

Power supply part : reversed polarity protection, surge absorber


Power voltage

24 VDC ±10 %, Ripple (P-P) 5 % or less

Power consumption

20 W maximum (including the sensor head)

Current consumption

PJ-G91 + PJ-G20: 110 mA, PJ-G21: 25 mA, PJ-G22: 15 mA

Environmental resistance

Enclosure rating

IP20 (install the product in a panel with a rating of IP54 or higher)

Ambient temperature

-10 to +55 °C (No freezing)

Relative humidity

35 to 95 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 0.7 mm, 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




Approx. 150 g

*1 For the lockout output, the response time will change depending on error contents.

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