Allen-Bradley 871FM-D2NP11-E2 AB Proximity Sensor 871FMD2NP11871

Description:

The Allen‑Bradley 871FM‑D2NP11‑E2 proximity sensor is used in industrial automation systems to detect metal object presence without physical contact and provide reliable switching signals. Commonly installed in packaging machinery, conveyor systems, assembly lines, and robotic cells for position sensing and control logic. Maintenance teams and system integrators use this sensor for machine automation upgrades, system diagnostics, and replacement of failed or worn proximity switches.

Applications:

The Allen-Bradley 871FM‑D2NP11‑E2 sensor is widely used in automation environments requiring dependable non‑contact metal detection. It is commonly found in material handling systems, robotic equipment, CNC machines, packaging lines, pick‑and‑place systems, and safety interlock applications where accurate and repeatable detection of metallic targets is critical for process control and operational efficiency.

Technical Specifications:

• Sensor type: Inductive proximity sensor
• Model: 871FM‑D2NP11‑E2
• Sensing distance: ~5–11 mm (approx. standard for 871FM series)
• Supply voltage: 10–30 VDC
• Output type: NPN normally open (NO)
• Output current: Max 200 mA
• Response frequency: ~500 Hz
• Housing: Cylindrical threaded body
• Protection rating: IP67 (dust and water resistant)
• Connection: Pre‑wired cable or connector depending on variant
• LED indicator: Built‑in sensing status LED
• Operating temperature: –25 °C to +70 °C
• Mounting: Threaded cylindrical for secure installation

Common Replacements:

• Allen‑Bradley 871TM‑R4EP11A
• Omron E2E‑X5ME1
• Pepperl+Fuchs NJ18‑18GK‑E2