Expandable Area Sensor
PJ series
Recommended Replaceable Products: Safety Light Curtain - GL-R series
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Expansion Unit PJ-L21
*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.
Specifications
Model | PJ-L21 | |||
Type | Extension unit A | |||
No. of beam axes | 8 | |||
No. of connectable units | 8 (base unit × 1 + extension unit A or B × 7) or less*1 | |||
Beam axis spacing | 20mm 0.787"*2 | |||
Maximum optical axis number | 64 (PJ-L20 × 1 + PJ-L21 × 7)*3 | |||
Detection area | 140 mm 5.512" (8 optical axes) to 1260 mm 49.6" (64 optical axes) | |||
Detecting distance | 7m | |||
Detectable object | Opaque material with a diameter of 28 mm or more | |||
Light source | Infrared LED | |||
Indicator lamp | A string of 8, 2-color LEDs (red and green) for the transmitter and receiver | |||
Response time | When output turned off : 7.5 ms or less, when output turned on : 15 ms or less | |||
Control output | Operation mode | Turned on when light is being applied to all optical axes | ||
Protection circuit | Overcurrent protection, surge absorber, reversed polarity protection | |||
Cable | Transmitter | ― | ||
Receiver | ||||
Extend | ||||
Control output | Output specifications | Maximum NPN open-collector output : 100 mA (40V or less), residual voltage : 1.0 V or less | ||
Rating | Power voltage | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less | ||
Current consumption | 30 mA (total of T, R) | |||
Environmental resistance | Enclosure rating | IP65 | ||
Ambient light | Incandescent lamp: 5,000 lux or less, sunlight: 20,000 lux or less | |||
Ambient temperature | -10 to +55 °C 14 to 131 °F (No freezing) | |||
Relative humidity | 35 to 95 % RH (No condensation) | |||
Vibration resistance | 10 to 55 Hz, Double amplitude 0.7 mm 0.03", 20 times in each of the X, Y, and Z directions | |||
Shock resistance | 100 m/s2, 1,000 times in each of the X, Y, and Z directions | |||
Material | Case : aluminum, lens cover : polyarylate | |||
Weight | Approx. 320 g | |||
*1 Mixed expansion at a 20 mm or 40 mm pitch is possible. The number of units that can be connected in a mixed expansion is 8 units or less. |