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Panasonic CX-493 Photoelectric Sensor
The Panasonic CX-493 (Part No. UCX493) is a high-precision retroreflective photoelectric sensor, engineered for stable and reliable object detection over distances up to 5 meters (16.404 ft) when used with the RF-230 reflector. Optimized for opaque or translucent objects ≥ Ø50 mm, this sensor delivers exceptional accuracy with 0.5 mm repeatability and a 1 ms or faster response time. With a NPN open-collector output, the unit allows for flexible integration via Light-ON or Dark-ON selectable modes and includes short-circuit protection for safe operation.
Built to withstand demanding industrial conditions, the CX-493 features IP67-rated protection, shock resistance up to 50 G, and vibration resistance across all axes. It incorporates helpful diagnostics with orange and green LED indicators for operation and stability, while the continuously adjustable sensitivity ensures optimal setup. Certified for EMC and RoHS compliance, this sensor is suitable for a wide variety of sensing tasks in automation environments.
Key features :-
Brand | Panasonic |
Product name |
CX-493 |
Part Number | UCX493 |
Item | Performance characteristics |
CE Marking Directive Compliance | EMC Directive, RoHS Directive |
Sensing Range | 5 m 16.404 ft (Note) The sensing range and the sensing object of the retroreflective type sensor are specified for the RF-230 reflector. The sensing range represents the actual sensing range of the sensor. |
Sensing Object | Ø50 mm Ø1.969 in or more opaque or translucent object (Note) The sensing range and the sensing object of the retroreflective type sensor are specified for the RF-230 reflector. The sensing range represents the actual sensing range of the sensor. (Note) Make sure to confirm detection with an actual sensor before use. |
Repeatability (Perpendicular to Sensing Axis) | 0.5 mm 0.020 in or less |
Hysteresis | - |
Supply Voltage | 12 to 24 V DC plus or minus 10 % Ripple P-P 10 % or less |
Current Consumption | 10 mA or less |
Output | 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) |
Output: Output Operation | Switchable either Light-ON or Dark-ON |
Output: 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) |
Stability Indicator | Green LED(lights up under stable light received condition or stable dark condition) (incorporated on the receiver for thru-beam type) |
Power Indicator | - |
Sensitivity Adjuster | Continuously variable adjuster(incorporated on the receiver for thru-beam type) |
Automatic Interference Prevention Function | Incorporated(Two units of sensors can be mounted close together.) |
Protection | IP67 (IEC) |
Ambient Temperature | - 25 to +55℃ -13 to +131℃ ℉ (No dew condensation or icing allowed ), Storage: -30 to +70℃ -22 to +158℃ ℉ |
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 Withstand ability | 1,000 V AC for one min. between all supply terminals connected together and enclosure |
Insulation Resistance | 20 MOhm , 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/s2acceleration (50 G approx.) in X, Y and Z directions three times each |
Emitting Element (Modulated) | Red LED |
Emitting Element (Modulated): Peak Emission Wavelength | 650 nm 0.026 mil |
Material | Enclosure: PBT (polybutylene terephthalate) Lens: acrylic Indicator cover: acrylic |
Cable | 0.2 mm23-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. |
Applications :-
- Long-range object detection: Accurately senses items up to 5m with reflector.
- Factory automation: Maintains stable sensing even under strong ambient light.
- Packaging and logistics lines: Detects larger or translucent packages in motion.
- Close sensor mounting: Built-in interference prevention allows adjacent use.
- Dusty or wet settings: Operates reliably with IP67 protection and industrial-grade durability.
Precautions :-
- Ensure Correct Wiring: Incorrect connections can cause sensor failure
- Avoid Overvoltage: Operating within 10-30V DC prevents damage
- Protect from Extreme Heat: Avoid installing near high-temperature sources
- Regular Cleaning: Keep the optical lens free from dust and debris for optimal performance
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Note : All tax and custom duty should be pay by buyer only.
Note: All trademarks and trade names used are the property of their respective owners.
Accuracy Disclaimer: Specifications provided are based on datasheet and are subject to change without notice. While every effort has been made to ensure accuracy, errors may occur. Users are encouraged to verify specifications with the manufacturer and consult for any specific questions or requirements.
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