4

9. Key Lock

The key lock function disables the operation of all keys.

Indicates that the

keys are locked.

Press the manual button for

three seconds while pressing

the mode button.

• Take the same step to unlock the keys.

10. Mode Settings before Shipping (Initialization)

The following factory settings are made before shipping.

EASY

FINE

OFF

Light-ON

Access mode

Power mode

Timer function

Output selection

* Returning to factory settings: Press the

button for a minimum of

five seconds while pressing the

button.

11. Hints On Correct Use

section area. Limit the length of cable extension to no more than 100 m.

(To connect several units, contact Keyence for further information.)

• Do not wire the amplifier line along with power lines or high-tension

lines, or otherwise the sensor may malfunction or receive damage due

to noise.

• When using a commercially available switching regulator, ground the

frame ground terminal and ground terminal.

• Do not use the FS series outdoors, or in a place where extraneous light

can enter the light receiving surface directly.

• Due to the individual dispersion of characteristics and the difference in

fiber unit model, the maximum sensing distance or displayed value of

all the units are not the same.

• If the sensor is used in S-APC mode for a long time, the LED indicators

will be imposed with a heavy load. In that case, the sensor will be auto-

matically set to ACC mode where the current consumption of the sen-

sor for light emission will be constant, and “END APC” will be displayed.

The sensor can be continuously used in this case. Replace the sensor,

however, if highly precise detection is required.

12. Specifications

Model

Light source

Response time

Display shift function

Timer function

Control output

Supply voltage

Current consumption

Ambient illumination

Ambient temperature

Relative humidity

Vibration

Shock resistance

Housing material

Size

Weight

FS-V21*1

FS-V21G

FS-V21R (P) FS-V21X*1

Red LED

Greed LED 4-element red LED Infrared (950 nm)

250

µs (FINE)/500µs (TURBO)/1ms (SUPER TURBO)/

4ms (ULTRA TURBO)/500

µs (HIGH RESOLUTION)/

50

µs (HIGH SPEED)

Max.

±1999 (variable)

Timer OFF, OFF-delay timer, ON-delay timer, and one-

shot timer (1 to 500 ms)

NPN open collector with 100 mA max at 40 V with a

max*2, Residual voltage of 1 V.

DC12-24V

±10% with a maximum ripple (peak to peak)

of 10%

Incandescent lamp: 20,000

Rx max.

Sunlight: 30,000

Rx max.

-10

°C to 55°C (No freezing)

35% to 85% RH (No condensation)

10 to 55 Hz, 1.5-mm double amplitude,

each in X, Y, and Z directions for two hours

Unit and cover are both polycarbonate made

W 9 mm x L70 mm x H 30 mm

Approximately 80 g (including 2-m cable)

Mode

S-APC

mode OFF

580 mW

480 mW

430 mW

650 mW

530 mW

480 mW

S-APC mode turned ON or when

the HIGH SPEED mode is selected.

720 mW

600 mW

550 mW

720 mW

600 mW

550 mW

Normal

ECO half

ECO all

Normal

ECO half

ECO all

Model

Other than

R model

R model

*1. The model is sold only in Japan. Consult your KEYENCE representa-

tive if the model is required outside Japan.

*2. The maximum current will be 20 mA in the case of expansion.

13. List of Digital Display Items

Preset value/Current value display

Output selection (Dark ON)

Output selection (Light-ON)

Access mode selection (EASY)

Access mode selection (FULL)

Excess gain display

LED bar display

Hold display

Power mode selection (FINE)

Power mode selection (TURBO)

Power mode selection (SUPER TURBO)

Power mode selection (ULTRA TURBO)

Power mode selection (HIGH SPEED)

Power mode selection (HIGH RESOLUTION)

Timer function setting (Timer OFF)

Timer function setting (OFF-delay timer)

Timer function setting (ON-delay timer)

Timer function setting (One-shot timer)

S-APC mode setting (S-APC OFF)

S-APC mode setting (S-APC ON)

Edge detection mode (OFF)

Edge detection mode (Rising edge)

Edge detection mode (Falling edge)

ECO mode setting (ECO mode OFF)

ECO mode setting (ECO half)

ECO mode setting (ECO all)

Shift function setting (Shift OFF)

Shift function setting (Shift ON)

Key lock setting

Key unlock

Forecast maintenance warning (END APC)

WARRANTIES (MUST ACCOMPANY THE PRODUCTS): KEYENCE, at its sole

option, will refund, repair or replace at no charge any defective Products within

1year from the date of shipment. Unless stated otherwise herein, the Products

should not be used internally in humans, for human transportation, as safety

devices or fail-safe systems. EXCEPT FOR THE FOREGOING, ALL EXPRESS,

IMPLIED, AND STATUTORY WARRANTIES, INCLUDING WARRANTIES OF

MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-IN-

FRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED.

KEYENCE SHALL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

CONSEQUENTIAL OR OTHER DAMAGES, EVEN IF DAMAGES RESULT FROM

THE USE OF THE PRODUCTS IN ACCORDANCE WITH ANY SUGGESTIONS OR

INFORMATION PROVIDED BY KEYENCE. In some jurisdictions, some of the

foregoing warranty disclaimers or damage limitations may not apply.

KEYENCE CORPORATION

1-3-14, Higashi-Nakajima, Higashi-Yodogawa-ku,

Osaka, 533-8555, Japan

PHONE: +81-6-6379-2211 FAX: +81-6-6379-2131

AFFILIATED COMPANIES

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PHONE: 201-930-0100

FAX: 201-930-0099

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PHONE: 01908-696900

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PHONE: 01 47 92 76 76

FAX: 01 47 92 76 77

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PHONE: 6392-1011 FAX: 6392-5055

KEYENCE (MALAYSIA) SDN BHD

PHONE: 03-252-2211

FAX: 03-252-2131

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PHONE: 02-369-2777

FAX: 02-369-2775

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PHONE: 02-2627-3100

FAX: 02-2798-8925

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PHONE: 3104-1010 FAX: 3104-1080

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(SHANGHAI) CO., LTD.

PHONE: 021-68757500

FAX: 021-68757550

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PHONE: 02-563-1270

FAX: 02-563-1271

Printed in Japan