KEYENCE FS-V21R Photoelectric Sensor Amplifier

Brand New Original · High-Precision Digital Fiber Sensor Controller

✅ Product Highlights 

• ✔ 100% Genuine KEYENCE – Made in Japan

• ✔ FS-V21R Digital Fiber Optic Sensor Amplifier

• ✔ High-speed response for precision detection

• ✔ Stable output even in dusty or oily environments

• ✔ Compact DIN-rail mounting design

• ✔ Ideal for automation, electronics & packaging lines

• ✔ Brand New – Factory Sealed – Ready to Ship

👉 Designed for engineers, OEM system builders, and industrial automation professionals.

🔍 Product Overview

The KEYENCE FS-V21R is a high-performance digital photoelectric sensor amplifier designed for use with KEYENCE fiber optic sensor heads.

It provides extremely stable light intensity detection, fast response time, and high resistance to ambient light interference — making it ideal for high-speed production lines and precision inspection systems.

With KEYENCE’s advanced signal processing technology, the FS-V21R ensures reliable object detection even in harsh industrial environments, including dust, vibration, oil mist, and reflective backgrounds.

⚙️ Key Technical Features

🎯 High-Precision Digital Detection

• Advanced digital amplification technology

• Stable signal output with minimal fluctuation

• Accurate detection of small, transparent, or reflective objects

⚡ High-Speed Response Performance

• Fast response time suitable for high-speed conveyors

• Reliable triggering for PLC and motion systems

• Ideal for counting, positioning, and presence detection

🧠 Intelligent Signal Processing

• Automatic sensitivity adjustment

• Excellent resistance to ambient light interference

• Maintains stable operation during voltage fluctuations

🧱 Industrial-Grade Design

• Compact housing for space-saving installations

• Durable construction for long service life

• Designed for continuous 24/7 operation

🔌 Easy System Integration

• Compatible with KEYENCE fiber optic sensor heads

• PNP transistor output (FS-V21R version)

• Seamless integration with PLC systems (Siemens / Omron / Mitsubishi / AB)

📊 Technical Specifications

Parameter	Specification
Model	FS-V21R
Manufacturer	KEYENCE
Product Type	Photoelectric Sensor Amplifier
Sensor Type	Fiber Optic Amplifier
Output Type	PNP Transistor Output
Supply Voltage	12–24 V DC ±10%
Current Consumption	≤ 40 mA
Response Time	Approx. 250 μs
Control Output	Max. 100 mA
Protection Circuit	Reverse polarity / short-circuit protection
Mounting	DIN rail / panel mount
Indicator	LED operation & stability indicators
Operating Temperature	−10 to +55 °C
Protection Rating	IP50 (amplifier unit)
Condition	Brand New, Factory Sealed

Specifications are based on KEYENCE FS-V series typical data.

🏭 Typical Applications

The FS-V21R KEYENCE amplifier is widely used in:

• 📦 Packaging & labeling machines

• 🧰 Automated assembly lines

• 🧪 Electronics and semiconductor inspection

• 🏭 Factory automation systems

• 🔄 Conveyor object detection

• 🤖 Robotics positioning feedback

🔁 System Compatibility

• Compatible with KEYENCE fiber sensor heads (FS series)

• Supports integration with:

  • Siemens PLC

  • Mitsubishi PLC

  • Omron PLC

  • Allen-Bradley PLC

⚠️ Always verify sensor head compatibility before installation.

📦 Package & Condition

• ✅ Brand New KEYENCE FS-V21R

• ✅ Original factory sealed packaging

• ✅ Anti-static & protective industrial packing

• ✅ Fully tested before shipment