Expansion Unit PJ-55A

Model

PJ-55A

No. of beam axes

2

Beam axis spacing

40 mm 1.57"

Maximum optical axis number

28 optical axes (PJ-50A x 1 + PJ-55A x 12)

Detection area

120 mm 4.72" (4 optical axes) to 1080 mm 42.52" (28 optical axes)

Detecting distance

5 m 16.40'

Detectable object

Opaque materials (50 mm dia. min.)

Light source

Infrared LED

Indicator lamp

Output (PJ-50AR)/Power (PJ-50AT) : Red LED, Stable operation (PJ-50AR) : Green LED

Response time

15 ms or less

Output

Control output

NPN open collector 100 mA max. (40 V max.), Residual voltage : 1 V max.

Control output

Operation mode

LIGHT-ON/DARK-ON (switch-selectable)

Noise resistance (power supply line)

350 V, pulse width : 1 µs (by way of a noise simulator)

Protection circuit

Reversed polarity, overcurrent protection, surge absorber

Rating

Power voltage

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

Current consumption

25 mA (PJ-55AT: 5 mA, PJ-55AR: 20 mA) (total of T, R)^*1

Environmental resistance

Enclosure rating

IP64

Ambient light

Incandescent lamp: 3,500 lux max., Sunlight: 12,000 lux max.

Ambient temperature

-20 to +50 °C -4 to 122 °F (No freezing)

Relative humidity

35 to 85 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Shock resistance

100 m/s², 3 times in each of the X, Y, and Z directions

Material

Housing : Glass-fi bre reinforced plastic, Lens cover : PFA

Weight

PJ-55AT: Approx. 60 g, PJ-55AR: Approx. 65 g