Pepperl+Fuchs WCS3B-LS221 Read Head | RS485 Non-Contact Position Sensor

Product Overview

• WCS3B-LS221 – Pepperl+Fuchs factory automation read head.
• Non-contact positioning for linear or curved paths.
• RS 485 interface for reliable data transfer.
• Operating voltage: 10–30 VDC, M12 5-pin connector.
• IP54 protection, suitable for industrial environments.

Key Features

• Measures up to 314.5 meters.
• Resolution: ±0.4 mm (1250 positions/m).
• Passage speed up to 12.5 m/s.
• LED indicators: power, data, and error status.
• High vibration & shock resistance.
• MTTFd: 236 years – very reliable.

Technical Specifications (Tree View)

• General
  • Brand: Pepperl+Fuchs
  • Model: WCS3B-LS221
  • Series: WCS3B
  • Type: Read Head (Non-Contact)
• Electrical
  • Voltage: 10–30 V DC
  • Power consumption: 2 VA
• Interface
  • RS 485, binary code output
  • Protocol: 1 or 2
  • Transfer rate: 62.5 kBit/s
  • Address: 0 (configurable)
  • RS 485 termination included
• Mechanical
  • Connection: M12 x 1 (5-pin)
  • Protection: IP54
  • Housing: ABS / Polycarbonate
  • Weight: 500 g
• Environmental
  • Operating temp: 0 to +60 °C
  • Storage temp: -40 to +85 °C
  • Humidity: 90% non-condensing
• Approvals
  • CSA (cCSAus) General Purpose
  • CCC not required (≤36V)

Installation & Mounting

• Mounting plate included in delivery.
• Free tolerances: horizontal ±15.5 mm, vertical ±14 mm.
• Non-contact design eliminates wear.
• Easy alignment with code rail.

Debugging & Maintenance

• LEDs show power, data, and errors at a glance.
• Red LED flashing = outside code rail; solid = internal fault.
• No moving parts means low maintenance.
• Quick M12 connector for easy replacement.

Certifications & Standards

• EMI: DIN EN 61000-6-4, DIN EN 12015.
• Immunity: DIN EN 61000-6-2, DIN EN 12016.
• Shock: 30 g, 18 ms (half sine).
• Vibration: 5 g, 10–2000 Hz (10 cycles).

Packaging & Logistics

• Weight: 500 g (approx. 1.1 lbs).
• Securely packed to avoid damage.
• Shipping: 12–24 hour dispatch via FedEx, UPS, or DHL.
• Tracking number provided after shipment.

Warranty

• 12-month warranty against manufacturing defects.
• Quick replacement or repair service available.
• Technical support via email or phone.

Expert Review

• “The WCS3B-LS221 delivers precise position data at high speeds.”
• “Its non-contact design ensures long-term reliability.”
• “The RS 485 interface is robust and easy to integrate.”
• “LED diagnostics help you troubleshoot in seconds.”
• “A great choice for automated material handling.”

Manager’s Insight

• “This read head reduces downtime due to its durable design.”
• “High vibration resistance makes it ideal for heavy machinery.”
• “The wide operating temperature range suits many climates.”
• “Simple mounting and setup save installation time.”
• “Pepperl+Fuchs quality ensures consistent performance.”

Applications

• Material handling: conveyor systems and sorting lines.
• Warehouse automation: automated storage and retrieval (AS/RS).
• Packaging machines: position control for wrapping and filling.
• Elevators & hoists: precise floor positioning.
• Automated guided vehicles (AGVs): path tracking.
• Machine tools: linear axis positioning.

Frequently Asked Questions (FAQ)

• • Q: What is the maximum measuring range?
  • A: 314.5 meters with the code rail.

• • Q: What is the resolution of this read head?
  • A: ±0.4 mm, which equals 1250 positions per meter.

• • Q: Can it be used outdoors?
  • A: Yes, if within 0–60 °C and protected from water jets (IP54).

• • Q: How do I know if the read head is working?
  • A: Green LED = power on. Yellow LED = data active. Red LED = error.

• • Q: What communication protocol does it use?
  • A: RS 485 with binary code output, Protocol 1 or 2.

• Q: Is mounting hardware included?
• A: Yes, a mounting plate comes with the delivery.

Selection Guide

• Check your travel length: max 314.5 m.
• Verify speed: up to 12.5 m/s.
• Confirm electrical: 10–30 VDC supply.
• Ensure interface compatibility: RS 485.
• Consider environmental: temp, humidity, and vibration.
• Use the included mounting plate for quick installation.

Compare with Similar Models

• Pepperl+Fuchs WCS3B-LS221 (this model)
• Pepperl+Fuchs WCS3B-LS121 – SSI interface version
• Pepperl+Fuchs WCS3B-LS222 – with higher protection IP67
• Pepperl+Fuchs WCS3B-LS321 – longer range variant

Contact Information

• For inquiries, please contact us:
• Email: sales@powergearx.com
• Phone: +86 18030005825 (WhatsApp)

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