| Type | Retroreflective |
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| Type | With polarizing filters | Long sensing range | For transparent object sensing |
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| 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 |
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| 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 | – |
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Repeatability
(perpendicular to sensing axis) | 0.5 mm 0.020 in or less |
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| Supply voltage | 12 to 24 V DC ± 10 % Ripple P-P 10 % or less |
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| Current consumption | 13 mA or less | 10 mA or less |
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| 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 |
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| Short-circuit protection | Incorporated |
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| Response time | 1 ms or less |
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| 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 | – |
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| 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) |
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| 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 |
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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 250 V DC megger between all supply terminals connected together and enclosure |
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| 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 |
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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 (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 |
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| 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 |
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| 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). |
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| Net weight | 50 g approx. |
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| Gross weight | 80 g approx. |
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| Accessory | RF-230 (Reflector): 1 pc. |
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