Fibre Amplifier, Cable Type, Main Unit, NPN
Keyence FS-V21RM
Digital Fibre Optic Sensors FS-V20 series
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Specification
| Model | FS-V21RM | |
| Type | Main unit: Monitor output, NPN | |
| Light source | Red, 4-element LED | |
| 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 selection | LIGHT-ON/DARK-ON (switch-selectable) | |
| Detection mode | Light intensity/rising edge/falling edge | |
| Shift function | Max. ±1,999 (variable) | |
| Timer function | Mode | Timer OFF/OFF-delay timer/ON-delay timer/One-shot timer, selectable |
| Variable range | 1 to 30 ms (in 1 ms increments), 30 to 50 ms (in 2 ms increments), 50 to 200 ms (in 10 ms increments), 200 to 500 ms (in 50 ms increments) | |
| Accuracy | ±10 % of the Preset Value | |
| Control output | NPN open-collector 100 mA max. (40 VDC max.)*1, Residual voltage: 1 V max. | |
| Monitor output | 1 to 5 load resistance to display 0 - 495 for FINE and TURBO. Voltage output: 1 to 5 V, Load resistance: 10 k? min., Repeatability: ±0.5 % of F.S. | |
| Unit expansion | Up to 16 expansion units can be connected (a total of 17 units).*2 | |
| Mutual interference suppression | HIGH SPEED/HIGH RESOLUTION: 0, FINE : 4, TURBO/SUPER/ULTRA: 8 | |
| Rating | Power voltage | 12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less |
| 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) | |
| Environmental resistance | Ambient light | Incandescent lamp: 20,000 lux max., Sunlight: 30,000 lux max. |
| 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 directions | |
| Shock resistance | 500 m/s2, 3 times in each of the X, Y, and Z directions | |
| Case material | Polycarbonate | |
| Size | 30 mm (H) x 9 mm (W) x 70 mm (D) | |
| Weight | Approx. 80 g (including 2-m cable) | |
| *1 20 mA at maximum for the expansion unit. *2 If more than one unit is used together, the ambient temperature varies with the conditions below. Mount the units on the DIN rail with mounting brackets and check that the output current is 20 mA or less. 1 or 2 Units: -10 to +55 °C (14 to 131 °F), 3 to 10 Units: -10 to +50 °C (14 to 122 °F), 11 to 16 Units: -10 to +45 °C (14 to 113 °F) |
