Pepperl+Fuchs MLV41-LL-IR-2492 Fiber Optic Sensor
Product Overview
The MLV41-LL-IR-2492 is a robust fiber optic sensor designed for reliable operation under various conditions. It features adjustable continuous sensitivity, easy fiber optic installation with a quick-action clamping lock, and an aluminum housing with high-quality Delta Seal coating.
This sensor is suitable for glass fiber optics, operates with infrared light, provides PNP outputs, and features an M12 plug connection.
Function
The MLV41 series offers a unique and popular design that allows for correct mounting in confined areas, incorporating functions typically found in larger photoelectric sensors. Key features include highly visible status LEDs on both the front and back, resistance to ambient light, crosstalk protection, and universally applicable output stages that support all switching logic and polarity configurations. Its enhanced resistance to ambient light ensures reliable operation, even with modern energy-saving lamps using electronic ballasts, and in environments where multiple sensors are used in close proximity.
Dimensions
The dimensions diagram shows the sensor from the front, side, and top. Key dimensions include a housing width of 31 mm, height of 56.5 mm, and depth of 13.6 mm. The connector is an M12x1 type. Mounting holes have a diameter of approximately 4.3 mm (3x). Radii are indicated as R 3.7. The overall dimensions are approximately 59.5 mm in height, 56.5 mm in depth, and 31 mm in width.
Technical Data
| Specification | Value |
|---|---|
| General Specifications | |
| Sensor range | On black (6%): up to 55 mm; On Kodak white (90% reflection): up to 160 mm (with LLR 04-1.6-0.5-WC3 fiberoptic cable) |
| Adjustment range | 0 ... 160 mm on Kodak white (90% reflection) |
| Reference target | 100 mm x 100 mm on Kodak white (90% reflection) |
| Light source | IRED |
| Light type | Modulated infrared light, 880 nm |
| Functional Safety Parameters | |
| MTTFd | 770 a |
| Mission Time (TM) | 20 a |
| Diagnostic Coverage (DC) | 0 % |
| Indicators/Operating Means | |
| Operation indicator | LED green, statically lit (Power on); Green LED, pulsing (approx. 0.8 Hz) (Undervoltage indicator); LED green flashing (approx. 4 Hz) (short-circuit) |
| Function indicator | LED yellow, lights up with receiver lit; flashes when falling short of the stability control |
| Control elements | Sensitivity adjuster, light/dark switch |
| Electrical Specifications | |
| Operating voltage (UB) | 10 ... 30 V DC |
| Ripple | max. 10 % |
| No-load supply current (Io) | max. 40 mA |
| Output Switching type | Light/dark on switchable |
| Signal output | 2 PNP, complementary, short-circuit protected, reverse polarity protected, open collectors. The switching modes specified in the "Electrical Connection" section apply to L/D switches in the "L" position (light switch). |
| Switching voltage (Ud) | max. 30 V DC |
| Switching current | max. 100 mA |
| Voltage drop (Ud) | ≤ 2.5 V DC |
| Switching frequency (f) | 1000 Hz |
| Response time | 0.5 ms |
| Conformity | |
| Product standard | EN 60947-5-2 |
| Approvals and Certificates | |
| EAC conformity | TR CU 020/2011 |
| Protection class | II, rated voltage ≤ 50 V AC with pollution degree 1-2 according to IEC 60664-1; functional insulation acc. to DIN EN 50178 |
| UL approval | cULus Listed 57M3 (Only in association with UL Class 2 power supply; Type 1 enclosure) |
| CCC approval | CCC approval / marking not required for products rated ≤36 V |
| Ambient Conditions | |
| Ambient temperature | -20 ... 60 °C (-4 ... 140 °F) |
| Storage temperature | -40 ... 75 °C (-40 ... 167 °F) |
| Mechanical Specifications | |
| Housing width | 31 mm |
| Housing height | 56.5 mm |
| Housing depth | 13.6 mm |
| Fiber optic adapter | 04 |
| Degree of protection | IP67 |
| Connection | 4-pin, M12 x 1 connector |
| Material | |
| Housing | Aluminum, Delta-Seal coated |
| Optical face | Fiber optic connection |
| Connector | metal |
| Mass | 50 g |
Connection
The sensor features an M12, 4-pin connector. The pinout is as follows:
- Pin 1: +UB (Power Supply Positive)
- Pin 2: Q (Output Signal)
- Pin 3: 0 V (Power Supply Negative)
- Pin 4: Q (Output Signal)
The output (Q) can be configured for 'Light on' or 'Dark on' operation via a switch.
Wire colors in accordance with EN 60947-5-2 are: Pin 1 - BN (brown), Pin 2 - WH (white), Pin 3 - BU (blue), Pin 4 - BK (black).
Assembly
The sensor is equipped with indicators and controls for operation and adjustment:
- Indicator 1: Green operating display (indicates power on status).
- Indicator 2: Yellow function display (indicates receiver status, flashes on stability control issues).
- Control 3: Sensing range adjuster (allows for fine-tuning the detection range).
- Control 4: Bright/dark switch (configures the output logic).
Accessories
The following accessories are available for use with the MLV41-LL-IR-2492 sensor:
- V1-G-2M-PUR: Female cordset, single-ended M12 straight A-coded, 4-pin, PUR cable grey.
- V1-W-2M-PUR: Female cordset, single-ended M12 angled A-coded, 4-pin, PUR cable grey.
Additionally, various glass fiber optic cables are compatible:
- LCR 04-1,6-0,5-Z1: Glass fiber optic - diffuse with PVC covering.
- LLR 04-1,6-0,5-G(M6x30): Glass fiber optic - diffuse with metal silicone covering.
- LCR 04-1,6-0,5-WC 3: Glass fiber optic - diffuse with PVC covering.
- LLR 04-1,6-0,5-W C3: Glass fiber optic - diffuse with metal silicone covering.
- LCE 04-1,6-1,0-Z1: Glass fiber optic - thru-beam with PVC covering.
- LCE 04-1,6-1,0 G: Glass fiber optic - thru-beam with PVC covering.
- LLE 04-1,6-1,0-G: Glass fiber optic - thru-beam with metal silicone covering.
- LCE 04-1,6-1,0-W C3: Glass fiber optic - thru-beam with PVC covering.
- LLE 04-1,6-1,0-W C3: Glass fiber optic - thru-beam with metal silicone covering.
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