Description
Product Name ：871C-DM1NP4-E2 Allen‑Bradley Output module
Product details:
The Allen-Bradley 871C-DM1NP4-E2 is a high-performance, self-contained Inductive Proximity Sensor belonging to the 871C space-saver/miniature series. It is designed to detect the presence of ferrous and non-ferrous metal objects without physical contact. Featuring a ultra-compact smooth barrel design, it is ideal for applications where mounting space is severely limited but industrial-grade reliability is required.
Technical Specifications (Product Parameters)
| Parameter | Specification |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Model/Catalog No. | 871C-DM1NP4-E2 |
| Sensor Type | Inductive Proximity Sensor |
| Barrel Diameter | 4 mm (Smooth, Stainless Steel) |
| Sensing Distance (Sn) | 1.0 mm |
| Mounting Type | Shielded (Flush mountable) |
| Output Configuration | PNP, Normally Open (N.O.) |
| Operating Voltage | 10…30V DC |
| Switching Frequency | 3 kHz (High speed) |
| Connection Type | 3-pin Pico (M8) Quick Disconnect |
| Enclosure Rating | IP67 (Dust-tight, water-resistant) |
| Housing Material | Stainless Steel |
| Operating Temperature | -25°C to +70°C (-13°F to +158°F) |
Product Advantages
- Ultra-Compact Footprint: The 4 mm smooth barrel allows this sensor to fit into extremely tight mechanical spaces where standard-sized sensors cannot go.
- High-Speed Switching: With a 3 kHz switching frequency, it is perfectly suited for fast-paced production lines, counting applications, and high-RPM shaft monitoring.
- Robust Construction: The stainless-steel housing provides excellent resistance to mechanical shock, vibration, and harsh industrial environments.
- Easy Replacement: Equipped with a Pico (M8) quick-disconnect connector, allowing for rapid installation and minimizing downtime during maintenance.
- Built-in Protection: Features integrated short-circuit, false pulse, and reverse polarity protection to safeguard the sensor and connected control systems.
Product Applications
The 871C-DM1NP4-E2 is widely utilized in automated manufacturing and precision machinery, including:
- Robotics & End-Effectors: Monitoring jaw position or part presence in miniature robotic grippers.
- Packaging Machinery: Counting high-speed small metallic parts or detecting component positions.
- Semiconductor & Electronics Assembly: Positioning components in high-precision assembly tools.
- Machine Tooling: Verifying tool presence or travel limits in compact CNC setups.
Installation & Usage Precautions (Notes)
⚠️ Important Safety & Handling Guidelines:
- Do Not Overtighten: Because this is a smooth barrel sensor often held in place by set screws, ensure the set screw is not over-torqued, which could crush the internal electronics.
- Wiring Verification: Double-check the pinout before powering up. Miswiring the PNP output or reversing the polarity (outside of protected limits) can cause system faults.
- Target Material Considerations: The rated 1.0 mm sensing distance applies to standard steel. If detecting aluminum, brass, or copper, apply the appropriate reduction factor (the sensing distance will be shorter).
- Environment Limits: While rated IP67, avoid prolonged submersion in liquids or direct exposure to high-pressure washdowns which exceed its specification.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
Shipping Port: Xiamen, China
Payment: Bank of Chicago, Bank of Singapore
Express cooperation: fedex, DHL, UPS and your express account
Service: Professional Sales provides 24 hours /7 days online service
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