De LIGHT DEP112 Photoelectric Sensor – Stable object detection for conveyors, packaging, and general automation

The De LIGHT DEP112 is a compact photoelectric sensor designed for reliable presence/absence detection and part counting on fast-moving lines. From my experience, it fits well where you want quick setup, a clear status LED, and a straightforward NPN/PNP switching output without dealing with complex fieldbus settings. You might notice that the housing and connector options are built for daily industrial abuse—typically IP65-rated and easy to mount in tight spots.

Order Placement Process and Guarantees

• Warranty: 365 days
• Delivery time: 1 week for in-stock items; no more than one month at the latest
• Payment: 50% advance payment, full payment before delivery
• Express options: FedEx, UPS, DHL

Key Features

• Compact, durable build: Suits crowded panels and machine frames; typically IP65 protection against dust and water spray.
• 10–30 VDC supply: Standard low-voltage range for modern control cabinets and machine retrofits.
• NPN/PNP switching output: Usually available in NO/NC configurations to match existing PLC inputs.
• Fast response: Designed for quick detection on packaging lines and counting stations.
• Clear status indication: Bright LED for power and output state makes commissioning simpler.
• Simple alignment and tuning: Sensitivity adjustment (on most variants) to handle glossy or low-contrast targets.
• Short-circuit and reverse-polarity protection: Helps avoid downtime during wiring and maintenance.

Technical Specifications

The values below reflect typical configurations for the DEP112 series used in factory automation. Specific parameters can vary by variant; we’ll confirm final datasheet details with your purchase order.

Application Fields

The DEP112 is commonly used in discrete manufacturing and intralogistics. It seems to be a good fit when you need fast, clean switching in environments that are not perfectly clean but still require dependable detection.

• Conveyor presence detection and jam monitoring
• Carton/label detection on packaging machinery
• Part counting and ejection verification on assembly lines
• Door/guard position sensing (non-safety)
• Bottle/trigger detection in filling and labeling stations

Advantages & Value

• Drop-in compatibility: Works with standard 24 VDC PLC digital inputs; NPN/PNP choices reduce rewiring effort.
• Lower total cost: Simple commissioning and rugged design typically cut downtime and spare-part consumption.
• Reliable availability: Stock is usually good for common variants, with short lead times when not.
• Technical support: Quick help with wiring diagrams, bracket selection, and sensitivity tuning when line conditions change.

Installation & Maintenance

• Mounting: Fix the M18 body using the supplied nuts; align the lens square to the target. Keep at least 10 mm clearance from vibrating surfaces.
• Wiring: 10–30 VDC supply; connect output to matched PLC input type (NPN or PNP). Add a flyback diode if driving inductive loads.
• Environment: Use in a ventilated cabinet or shielded on-machine area. Avoid direct high-pressure wash unless IP rating is sufficient.
• Tuning: Adjust sensitivity so the sensor switches cleanly on your smallest target but ignores background reflections.
• Routine care: Wipe the lens weekly in dusty lines; check connector tightness; verify response in maintenance mode. Firmware is not applicable; no updates needed.
• Safety: This is not a safety-rated device. Do not use for personnel protection.

Quality & Certifications

• CE and RoHS compliance (typical for this class)
• Manufacturer warranty: 12 months (365 days)
• Traceable lot/batch information available upon request

Quick note from a recent customer on a food packaging retrofit: “Swapping to the DEP112 cut our false triggers in half after a small sensitivity tweak. The status LED made it obvious when the bracket angle was off.” That’s typically what we see—straightforward deployment with predictable results.