Amplifier Unit
Keyence FW-V20
High Power Digital Ultrasonic Sensors FW series
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Specification
| Model | FW-V20 | ||
| Type | NPN | ||
| Rating | Power voltage | 24 VDC, Ripple (P-P): 10% max. | |
| Current consumption | When connected with the FW-H02/H07 | Normal | 1680 mW (70 mA) or less*1 |
| Power save | 1370 mW (57 mA) or less*1 | ||
| When connected with the FW-H10R | Normal | 2640 mW (110 mA) or less*1 | |
| Power save | 2330 mW (97 mA) or less*1 | ||
| Display power | 2-row display with signed 3-digit, 7-segment LED (Character height: Upper row: 8 mm, red; Lower row: 5.7 mm, green) Refresh rate: 10 times/sec. (5 times/sec. when using the display averaging function) | ||
| Operation status indicators | Red LED x 2 (corresponding to Control output 1 and Control output 2), Green LED x 2 (Display CH indicator) | ||
| Chattering prevention function | Selectable from OFF, 0.5, 1, 2, 5, and 10s (Selectable from OFF, 1, 2, 5, and 10s when connected to the FW-H10R) | ||
| Bank/external shift input | Non-voltage input (contact/non-contact inputs), Input time: 25 ms min. (This input/analogue output is selectable.) | ||
| Controloutput | NPN open collector, 100 mA 40 V max. Residual voltage: 1 V max., 2 outputs (N.O./N.C. switch-selectable) | ||
| Protection circuit | Reverse connection protection, over-current protection, surge absorber | ||
| Analogue output | 4 to 20 mA, maximum load resistance: 260 ? (Bank/external shift input/analog output selectable) | ||
| Environmental resistance | Ambient temperature | -10 to +55 °C (No freezing) | |
| Relative humidity | 35 to 85 % RH (No condensation) | ||
| Vibration resistance | 10 to 55 Hz, Double amplitude 1.5 mm, 2 hours in each of the X, Y, and Z axis | ||
| Material | Main unit and cover: Polycarbonate, Keycaps: elastomer | ||
| Accessories | Mounting bracket, power cable, and instruction manual | ||
| Weight | Approx. 85 g (Including a 2-m power cable) | ||
| *1 Excluding analog output. Includes head unit. |
