Product Overview
The Turck BI5-M18-RZ3X/S90 is a high-performance inductive proximity sensor designed for reliable object detection in demanding industrial environments. Featuring an M18 stainless steel housing, this sensor provides robust resistance to mechanical stress, chemicals, and extreme temperatures. Its flush-mount design enables detection of ferrous metal targets with a sensing range optimized for tight installation spaces. The sensor operates on a 10-30 V DC supply and delivers a PNP normally open (NO) output via a pre-wired M12 connector (RZ3X variant), ensuring quick integration into automation systems. With IP67/IP69K protection, it performs reliably in applications exposed to dust, moisture, and high-pressure washdowns, making it ideal for automotive, food processing, and heavy machinery industries.
Key Technical Parameters
- Sensing Range: 8 mm (for mild steel targets; reduced for non-ferrous metals).
- Supply Voltage: 10-30 V DC (±10%) with reverse polarity protection.
- Output Type: PNP transistor (NO), 200 mA max load current.
- Housing Material: Stainless steel (V4A/316L) with anti-corrosion coating.
- Operating Temperature: -25°C to +85°C (-13°F to +185°F).
- Protection Class: IP67/IP69K (submersible and resistant to high-pressure cleaning).
- Switching Frequency: Up to 1 kHz for high-speed detection.
- Connector: M12 4-pin (RZ3X) with 2-meter PVC cable (S90 variant).
- Certifications: CE, UL, cULus, RoHS, and REACH compliance.
Typical Applications
The BI5-M18-RZ3X/S90 is widely used in industrial automation scenarios requiring precision and durability:
- Assembly Lines: Detecting metal components in robotic welding or pick-and-place systems.
- Packaging Machinery: Verifying the presence of metal lids or foil-sealed containers.
- Food & Beverage: Monitoring stainless steel valves or conveyor chains in washdown environments.
- Material Handling: Position sensing of metal pallets or tooling in automated warehouses.
- Mobile Equipment: Detecting hydraulic cylinder positions in construction or agricultural vehicles.
Its immunity to electromagnetic interference (EMI) ensures stable performance near motors or frequency inverters.
Competitive Advantages
- Robust Construction: Stainless steel housing withstands aggressive chemicals, impacts, and temperature extremes.
- High Sensing Accuracy: Minimal drift over time ensures consistent detection of small or thin targets.
- Easy Installation: Pre-wired M12 connector (S90 cable variant) reduces wiring complexity and downtime.
- Versatile Mounting: Flush or non-flush installation options adapt to space-constrained environments.
- Extended Lifespan: Sealed design and high-quality materials minimize wear in high-cycle applications.
Core Functionalities
The BI5-M18-RZ3X/S90 offers advanced features for industrial reliability:
- Short-Circuit Protection: Safeguards output circuits from overloads and wiring faults.
- Status Indicators: Dual LEDs (green for power, yellow for output state) enable quick diagnostics.
- Temperature Stability: Maintains performance across extreme thermal conditions.
- IO-Link Compatibility (if applicable): Enables parameterization and diagnostics in smart factories.
- Vibration Resistance: Secure M12 connection ensures uninterrupted operation in high-vibration zones.
| Parameter | Value/Description |
| Product Category | Inductive Proximity Sensor (Cylindrical, Non-Flush Mount) |
| Model Number | BI5-M18-RZ3X/S90 |
| Sensing Principle | Inductive (Oscillator with Ferrite Core) |
| Housing Diameter | M18 × 1 mm threaded barrel |
| Mounting Type | Non-flush (requires free lateral approach) |
| Sensing Distance (Sn) | 5 mm (for steel) / 2.5 mm (for stainless steel) / 4 mm (for brass/aluminum) |
| Hysteresis | ≤ 10% of Sn |
| Output Type | PNP Normally Open (NO) |
| Output Configuration | 3-wire (Brown = +24V, Blue = GND, Black = Signal) |
| Operating Voltage | 10–30 V DC |
| Output Current | ≤ 200 mA |
| Voltage Drop | ≤ 2.5 V |
| Switching Frequency | ≤ 1 kHz |
| Operating Temperature | -25°C to +70°C (-13°F to +158°F) |
| Protection Rating | IP67 (dust/water resistant) / IP69K (high-pressure washdown) |
| Housing Material | Nickel-plated brass (sensing face) / PBT-GF30 (glass-fiber reinforced polyester body) |
| Connection Type | M12 × 1 connector (3-pin, male) with 90° angled cable exit (S90 variant) |
| Cable Length | Pre-wired options (e.g., 2 m) – suffix indicates variant |
| LED Indicator | Red status LED (power/switch state) |
| Short-Circuit Protection | Yes |
| Reverse Polarity Protection | Yes |
| EMC Compliance | EN 60947-5-2, EN 61000-6-2, EN 61000-6-4 |
| Certifications | CE, UL, cULus, RoHS, REACH |
| Shock Resistance | 30 g (11 ms duration) |
| Vibration Resistance | 10–55 Hz, amplitude 1.5 mm |
| Weight | ≈ 80 g (connector version) |
| Repeat Accuracy | ≤ 0.1 mm |
| Target Material | Ferrous metals ≥ Fe360 (steel), non-ferrous metals (Al, Cu) |
Packaging & Shipping
Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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