The Keyence FS-V21R is a fiber amplifier designed for cable-type fiber optic sensors.
- Type: Main unit with NPN output.
- Light Source: Red LED.
- Response Time:
- FINE: 250 µs
- TURBO: 500 µs
- SUPER TURBO: 1 ms
- ULTRA TURBO: 4 ms
- HIGH RESOLUTION: 500 µs
- HIGH SPEED: 50 µs
- Shift Function: Max ±1,999 (variable).
- Timer Function:
- Modes: Timer OFF, OFF-delay timer, ON-delay timer, and one-shot timer (1 to 500 ms).
- Control Output: Up to 100 mA (max.) at 40VDC, with a residual voltage of 1V max.
- Power Voltage: 12 to 24 VDC ±10%.
- Power Consumption:
- Normal:
- S-APC OFF: 650 mW max. (27 mA max. at 24 VDC)
- S-APC ON: 720 mW max. (30 mA max. at 24 VDC)
- ECO half:
- S-APC OFF: 530 mW max. (22 mA max. at 24 VDC)
- S-APC ON: 660 mW max. (25 mA max. at 24 VDC)
- ECO all:
- S-APC OFF: 480 mW max. (20 mA max. at 24 VDC)
- S-APC ON: 550 mW max. (23 mA max. at 24 VDC)
- Normal:
- Environmental Resistance:
- Ambient Light: Incandescent lamp (20,000 lux max.), Sunlight (30,000 lux max.).
- Ambient Temperature: -10 to +55 °C (14 to 131 °F) with no freezing.
- Relative Humidity: 35 to 85% RH (no condensation).
- Vibration Resistance: 10 to 55 Hz, Double amplitude 1.5 mm (0.06″), 2 hours in each of the X, Y, and Z directions.
- Shock Resistance: 500 m/s², 3 times in each of the X, Y, and Z directions.
- Case Material: Polycarbonate.
- Weight: Approximately 80 g (including 2-meter cable).
Please note that this model has been discontinued, but you can explore recommended replaceable products like the Digital Fiber Optic Sensor – FS-N40 series.
| FS-V21 | ||||
| kinds | Master unit / standard | |||
| Light source LED | red | |||
| Response time | 250 µs (FINE) / 500 µs (TURBO) / 1 ms (SUPER TURBO) / 4 ms (ULTRA TURBO) / 500 µs (HIGH RESOLUTION) / 50 µs (HIGH SPEED) | |||
| Output switching | ON / ON switch switching when the light is on | |||
| Indicator light | ・ Operation display: Red LED * 1 ・ Dual digital monitor: Dual 7-segment display [Set value (green LED 4 digits) ・ Current value (red LED 4 digits) Simultaneous display, current value (0 to 65,520), detection margin (0 to 65,520) 0 P to 999 P)] ・ Hold function: Peak and bottom can be displayed at the same time ・ Bar LED monitor: Can be displayed at the same time as the current value [Detection margin (85 to 115% 7 levels) display] |
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| Detection mode | Light intensity discrimination / rising edge / falling edge | |||
| Display shift function | Maximum ± 1,999 variable | |||
| Timer function | mode | Timer OFF / Off delay timer / On delay timer / One shot timer, variable timer time | ||
| Setting range | 1 to 30 ms: 1 ms increments, 30 to 50 ms: 2 ms increments, 50 to 200 ms: 10 ms increments, 200 to 500 ms: 50 ms increments | |||
| accuracy | Maximum error to set value is ± 10% or less | |||
| Control output | NPN open collector 40 V, 100 mA or less * 2 , residual voltage 1 V or less | |||
