Digital Fibre Optic SensorsFS-V20 series

FS-V21G

Fibre Amplifier, Cable Type, Main Unit, NPN

[Discontinued model]

This model has been discontinued.

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SPECIFICATIONS

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Model

FS-V21G

Type

Main unit, NPN

Light source

Green 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 selectable

Indicator lamp

Operation indicator: Red LED
Dual digital monitor: Dual 7-segment display
[Preset Value (4-digit green LED indicator) and Current Value (4-digit red LED indicator) illuminated together. Current Value range: 0 to 65,520; Excess gain: 0 P to 999 P]
Hold function: Possible to display both peak and bottom hold values.
Bar LED monitor: Possible to display together with Current Value
Excess gain displayed (85 to 115 % in 7 steps)

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 500 ms
[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.

Rating

Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Power consumption

Normal

S-APC OFF: 580 mW max. (24 mA max. at 24 VDC), S-APC ON: 720 mW max. (30 mA max. at 24 VDC)*2

ECO half

S-APC OFF: 480 mW max. (20 mA max. at 24 VDC), S-APC ON: 600 mW max. (25 mA max. at 24 VDC)*2

ECO all

S-APC OFF: 430 mW max. (18 mA max. at 24 VDC), S-APC ON: 550 mW max. (23 mA max. at 24 VDC)*2

Environmental resistance

Ambient light

Incandescent lamp: 20,000 lux max., Sunlight: 30,000 lux max.

Ambient temperature

-10 to +55 °C (No freezing)*3

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

Weight

Approx. 80 g (including 2-m cable)

*1 20 mA at maximum for the expansion unit.
*2 S-APC will be always turned ON when the high-resolution or high-speed mode is selected. S-APC is by default set to OFF in any other mode.
*3 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.
3 to 10 Units: –10 to +50 °C 11 to 16 Units: –10 to +45 °C

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