| Type | Standard model | Auxiliary sensor connectable model |
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| With external control function | Long sensing
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| Type |
| Short sensing range |
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| Short sensing range |
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| Model No. | PX-22 | PX-21 | PX-24 | PX-24ES | PX-23ES | PX-26 |
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| CE marking directive compliance | EMC Directive, RoHS Directive |
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| Sensing range (OUT 1 and OUT 2 areas) (Note 2) | 3 m 9.843 ft | 1 m 3.281 ft | 3 m 9.843 ft | 1 m 3.281 ft | 5 m 16.404 ft |
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Hysteresis
(Note 2) | 15 % or less of operation distance |
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| Supply voltage | 10 to 31 V DC including ripple |
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Power consumption
(Note 3) | Under operation: 1.5 W or less, Under sleep condition: 0.3 W or less (without auxiliary sensor) |
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OUT1
(OR circuit among the effective center, left, right, adjacent left / right OUT 1 areas and the effective auxiliary left / right areas)
OUT2
(OR circuit among the effective center, left and right OUT 2 areas) | NPN open-collector transistor
・Maximum sink current: 100 mA
・Applied voltage: 40 V DC or less (between OUT 1 / OUT 2 and 0 V)
・Residual voltage: 1.5 V or less (at 100 mA sink current)
0.4 V or less (at 16 mA sink current) |
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Utilization category | DC-12 or DC-13 |
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| Output operation | Selectable either Light-ON or Dark-ON with a switch (Output operation of OUT 1 and OUT 2 is the same.) |
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| Short-circuit protection | Incorporated |
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Extraneous light monitor
output | – | NPN open-collector transistor
・Maximum sink current: 100 mA
・Applied voltage: 40 V DC or less (between extraneous light monitor output and 0 V)
・Residual voltage: 1.5 V or less (at 100 mA sink current)
0.4 V or less (at 16 mA sink current) |
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Output operation | – | ON when modulated beam other than its own (including auxiliary sensor’s) light is received |
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| Short-circuit protection | – | – |
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| Response time | 80 ms or less |
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Operation
indicatorsOUT 1 area | Red LED (lights up when the beam is received in the effective OUT 1 areas) |
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| OUT 2 area | Yellow LED (lights up when the beam is received in the effective OUT 2 areas) |
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| Sensitivity adjuster | Continuously variable adjusters (OUT 1, adjacent right OUT 1, adjacent left OUT 1 and OUT 2 areas are adjusted independently.) |
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| External sensitivity adjustment function | – | Sensitivity adjustment is possible with an analog input. |
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| Sensing area | Four sensing areas are selectable with dip switches. | Four sensing areas are selectable with dip switches, and eight sensing areas are selectable with external inputs. | Fixed |
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| Sleep function | Operating / sleep selectable with external input |
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| Automatic interference prevention function | Optical interference from up to 25 units is prevented. |
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Pollution degree | 3 (Industrial environment) |
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| Protection | IP65 (IEC) |
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| Ambient temperature | -10 to +55 ℃ +14 to +131 ℉ (No dew condensation or icing allowed), Storage: -20 to +70 ℃ -4 to +158 ℉ |
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| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH |
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| Ambient illuminance | Incandescent light: 3,000 lx or less at the light-receiving face |
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| Voltage withstandability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
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| Insulation resistance | 20 MΩ, or more, with 500 V DC megger between all supply terminals connected together and enclosure |
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| Vibration resistance | 10 to 500 Hz frequency, 3 mm 0.118 in double amplitude (20 G max.) in X, Y and Z directions for two hours each |
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| Shock resistance | 500 m/s2 acceleration (50 G approx.) in X, Y and Z directions three times each |
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| Emitting element | Infrared LED (Peak emission wavelength: 950 nm 0.037 mil, modulated) |
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| Material | Enclosure: ABS, Lens: Acrylic, Cover: Polycarbonate |
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| Cable | 0.3 mm2 5-core cabtyre cable, 0.5 m 1.640 ft long (for input and output) | For input and output: 0.18 mm2 9-core (PX-24ES and PX-23ES: 12-core) cabtyre cable, 0.5 m 1.640 ft long
For auxiliary sensor connection: 0.18 mm2 10-core connector attached cabtyre cable, 0.5 m 1.640 ft long |
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| Cable extension | Extension up to total 100 m 328.084 ft (10 m 32.808 ft for auxiliary sensor connection) is possible with 0.3 mm2, or more, cable. |
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| Weight | Net weight: 210 g approx.
Gross weight: 390 g approx. | Net weight: 220 g approx.
Gross weight: 400 g approx. | Net weight: 210 g approx.
Gross weight: 390 g approx. |
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| Accessories | MS-PX-2 (Main sensor mounting bracket): 1 set, Adjusting screwdriver: 1 pc., Matrix chart for sensing areas and external inputs: 1 sheet (PX-24ES and PX-23ES only) |
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