Product Description

The Keyence FW-V20 is a high-performance digital ultrasonic amplifier unit designed for precise measurement and positioning applications in industrial automation. It features an NPN open-collector output and offers both control and analog outputs, facilitating seamless integration into various systems. The unit operates on a 24 VDC power supply and provides a dual-row 7-segment LED display for clear status indication. With a compact design and robust construction, the FW-V20 ensures reliable performance in demanding environments.​

Technical Specifications

• Feature Specification
• Model FW-V20
• Type Amplifier unit
• Output Type NPN open collector
• Control Outputs 2 outputs (N.O./N.C. switchable), max 100 mA, residual voltage ≤ 1 V
• Analog Output 4 to 20 mA, max load resistance 260 Ω
• Power Supply 24 VDC, ripple (P-P): 10% max.
• Current Consumption Normal: 70 mA (1,680 mW) with FW-H02/H07; 110 mA (2,640 mW) with FW-H10R
• Display Dual-row 7-segment LED (upper: 8 mm red, lower: 5.7 mm green), refresh rate 10 Hz
• Indicators Red LEDs (2) for control outputs, Green LEDs (2) for display channels
• Chattering Prevention Selectable OFF, 0.5, 1, 2, 5, 10 s (OFF, 1, 2, 5, 10 s with FW-H10R)
• Bank/External Shift Input Non-voltage input (contact/non-contact), input time ≥ 25 ms
• Protection Circuits Reverse polarity, overcurrent, surge absorption
• Environmental Resistance Ambient temperature: -10 to +55°C; Relative humidity: 35 to 85% RH (no condensation)
• Vibration Resistance 10 to 55 Hz, double amplitude 1.5 mm, 2 hours in each of X, Y, and Z axes
• Material Main unit and cover: Polycarbonate; Key tops: Elastomer
• Weight Approximately 85 g (including 2-meter power cable)
• Accessories Mounting bracket, power cable, instruction manual