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Pepperl + Fuchs
ML4.2-8-H-20-RT/40B/95/110
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | ML4.2-8-H-20-RT/40B/95/110 |
| Manufacturer | Pepperl + Fuchs |
| Detection Range | 7 to 20 mm, with maximum detection capability from 5 to 25 mm |
| Background Suppression | Starts from 25 mm |
| Light Source | LED |
| Light Type | Modulated visible red light, 660 nm |
| Black/White Difference | Approximately 1 mm |
| Light Spot Diameter | Approximately 1.5 mm at 20 mm distance |
| Angle of Divergence | Approximately 5 degrees |
| Ambient Light Limit | Continuous light: 40000 Lux; Modulated light: 5000 Lux |
| Functional Safety Parameters | MTTFd: 1940 years; Mission Time (TM): 20 years; Diagnostic Coverage (DC): 0% |
| Indicators | Green LED for operation, Yellow LED for switching state |
| Operating Voltage | 10 to 30 V DC |
| Ripple | 10% |
| No-load Supply Current | Less than 25 mA |
| Output Type | Push-pull output, short-circuit protected, reverse polarity protected |
| Switching Voltage | Maximum 30 V DC |
| Switching Current | Maximum 100 mA |
| Voltage Drop | Less than or equal to 2.5 V DC |
| Switching Frequency | 1000 Hz |
| Response Time | 0.5 ms |
| Conformity | EN 60947-5-2 |
| Shock and Impact Resistance | IEC/EN 60068, half-sine, 40 g in each X, Y, and Z directions |
| Vibration Resistance | IEC/EN 60068-2-6, Sinus, 10-150 Hz, 5 g in each X, Y, and Z directions |
| Approvals | CE conformity, cULus Listed |
| Ambient Temperature | Operating: -20 to 60 °C; Storage: -20 to 75 °C |
| Housing Dimensions | Width: 13.9 mm; Height: 31.4 mm; Depth: 18 mm |
| Degree of Protection | IP67 / IP69K |
| Connection | M8 x 1 connector, 4-pin |
| Housing Material | ABS |
| Optical Face Material | Glass pane |
| Mass | Approximately 10 g |
| Commodity Code | 903180 |
The Pepperl + Fuchs ML4.2-8-H-20-RT/40B/95/110 is a state-of-the-art background suppression sensor designed for precision detection in complex automation tasks. This compact sensor boasts a miniature design, making it suitable for applications where space is at a premium. With its precise background suppression capabilities, it ensures reliable detection with minimal black-white difference, enhancing operational accuracy.
The sensor features a small, sharp light spot and utilises modulated visible red light for detection, with a range of 7 to 20 mm and a maximum detection capability of 5 to 25 mm. The light source is a LED emitting at 660 nm, ensuring clear visibility and precise targeting. The unit's black-white difference is approximately 1 mm, which is remarkably small, allowing for the detection of objects with very slight contrasts.
Equipped with highly visible LEDs, the sensor provides clear indication of power status, switching status, short-circuit, and undervoltage conditions. The robust construction includes metal-reinforced fastening holes for secure installation and a tamper-proof design that requires no adjustments, ensuring consistent performance over time.
The ML4.2-8-H-20-RT/40B/95/110 operates within a voltage range of 10 to 30 V DC and features a push-pull output, which is both short-circuit protected and reverse polarity protected. It has a fast response time and a high switching frequency, making it suitable for applications requiring quick and precise operations.
For ease of integration, the sensor comes with an M8 connector and is designed to meet the rigorous standards of IP67/IP69K for protection against dust and water ingress, making it suitable for use in harsh industrial environments. The sensor's housing is made of durable ABS material, and it includes a glass pane for the optical face, ensuring longevity and reliability.
This background suppression sensor is compliant with EN 60947-5-2 standards and has received approvals such as cULus Listed, demonstrating its quality and safety for industrial use. Whether used in manufacturing, packaging, material handling, or other automated processes, the Pepperl + Fuchs ML4.2-8-H-20-RT/40B/95/110 sensor is an excellent choice for businesses looking to enhance their operational efficiency with reliable and precise object detection.
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Frequently Asked Questions
What is the detection range of this background suppression sensor?
The detection range of the sensor is between 7 and 20 mm, with a maximum detection capability of 5 to 25 mm.
Can this sensor be used in environments with bright lighting?
Yes, the sensor is designed to withstand ambient light levels up to 40000 Lux of continuous light and 5000 Lux of modulated light, making it suitable for use in brightly lit conditions.
What type of light does the sensor use and is it visible?
The sensor uses a modulated visible red light with a wavelength of 660 nm, which is helpful for alignment and troubleshooting.
Is the sensor affected by the colour of the object it detects?
The sensor has a very small black-white difference, with an approximate 1 mm difference in detection capability, which means it can reliably detect objects regardless of their colour.
What are the indicators available on the sensor?
The sensor is equipped with highly visible LEDs that indicate power status, switching status, and also provide alerts for short-circuits and undervoltage conditions.
What type of output does the sensor provide?
The sensor provides a push-pull output, which is short-circuit protected and reverse polarity protected, offering flexibility for interfacing with various types of control systems.
What is the response time of the sensor?
The sensor boasts a quick response time of 0.5 ms, allowing for fast and reliable detection in dynamic applications.
What are the operating and storage temperature ranges for the sensor?
The operating temperature range for the sensor is from -20 to 60 °C, and it can be stored in temperatures ranging from -20 to 75 °C.
What is the degree of protection provided by the sensor's housing?
The sensor's housing is rated IP67/IP69K, providing a high degree of protection against dust and water ingress, making it suitable for harsh industrial environments.
How is the sensor connected to a control system?
The sensor features an M8 x 1 connector with 4 pins for easy and secure electrical connection to control systems.
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