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| Type | Retroreflective | ||||
| Type | With polarizing filters | Long sensing range | For transparent object sensing | ||
| NPN output | CX-491 | CX-493 | CX-481 | CX-483 | CX-482 |
| PNP output | CX-491-P | CX-493-P | CX-481-P | CX-483-P | CX-482-P |
| CE marking directive compliance | EMC Directive, RoHS Directive | ||||
| Sensing range | 3 m 9.843 ft (Note 2) |
5 m 16.404 ft (Note 2) |
50 to 500 mm 1.969 to 19.685 in (Note 2) |
50 to 1,000mm 1.969 to 39.37 in (Note 2) |
0.1 to 2 m 0.328 to 6.562 ft (Note 2) |
| Sensing object | ø50 mm ø1.969 in or more opaque, translucent or specular object (Note 2, 5) |
ø50 mm ø1.969 in or more opaque or translucent object (Note 2, 5) |
ø50 mm ø1.969 in or more transparent, translucent or opaque object (Note 2, 5) |
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| Hysteresis | – | ||||
| Repeatability (perpendicular to sensing axis) |
0.5 mm 0.020 in or less | ||||
| Supply voltage | 12 to 24 V DC ± 10 % Ripple P-P 10 % or less | ||||
| Current consumption | 13 mA or less | 10 mA or less | |||
| Output | <NPN output type> NPN open-collector transistor ・Maximum sink current: 100 mA ・Applied voltage: 30 V DC or less (between output and 0 V) ・Residual voltage: 2 V or less (at 100 mA sink current) 1 V or less (at 16 mA sink current)<PNP output type> PNP open-collector transistor ・Maximum source current: 100 mA ・Applied voltage: 30 V DC or less (between output and +V) ・Residual voltage: 2 V or less (at 100 mA source current) 1 V or less (at 16 mA source current) |
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Output operation |
Switchable either Light-ON or Dark-ON | ||||
| Short-circuit protection | Incorporated | ||||
| Response time | 1 ms or less | ||||
| Operation indicator | Orange LED (lights up when the output is ON) (incorporated on the receiver for thru-beam type) |
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| Stability indicator | Green LED (lights up under stable light received condition or stable dark condition) (incorporated on the receiver for thru-beam type) |
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| Power indicator | – | ||||
| Sensitivity adjuster | Continuously variable adjuster (incorporated on the receiver for thru-beam type) |
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| Automatic interference prevention function |
Incorporated (Two units of sensors can be mounted close together.) |
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| Protection | IP67 (IEC) | ||||
| Ambient temperature | – 25 to +55 ℃ -13 to +131 ℉ (No dew condensation or icing allowed ), Storage: -30 to +70 ℃ -22 to +158 ℉ |
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| Ambient humidity | 35 to 85 % RH, Storage: 35 to 85 % RH | ||||
| Ambient illuminance | Incandescent light: 3,000 lx or less at the light-receiving face | ||||
| Voltage withstandability | 1,000 V AC for one min. between all supply terminals connected together and enclosure | ||||
| Insulation resistance | 20 MΩ, or more, with 250 V DC megger between all supply terminals connected together and enclosure | ||||
| Vibration resistance | 10 to 500 Hz frequency, 1.5 mm 0.059 in amplitude (10 G max.) in X, Y and Z directions for two hours each | ||||
| Shock resistance | 500 m/s2 acceleration (50 G approx.) in X, Y and Z directions three times each | ||||
| Emitting element (modulated) | Red LED | Infrared LED | |||
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Peak emission wavelength |
680 nm 0.027 mil | 650 nm 0.026 mil | 870 nm 0.034 mil | ||
| Material | Enclosure: PBT (polybutylene terephthalate), Lens: acrylic (CX-48□: polycarbonate), Indicator cover: acrylic (CX-48□: polycarbonate) |
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| Cable | 0.2 mm2 3-core (thru-beam type emitter: 2-core) cabtyre cable, 2 m 6.562 ft long | ||||
| Cable extension | Extension up to total 100 m 328.084 ft is possible with 0.3 mm2, or more, cable (thru-beam type: both emitter and receiver). | ||||
| Net weight | 50 g approx. | ||||
| Gross weight | 80 g approx. | ||||
| Accessory | RF-230 (Reflector): 1 pc. | ||||
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