Description
Keyence PJ-55A Photo Eye Expansion Unit Transmitter and Receiver, 350V, NEW
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