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SF2

453

SPECIFICATIONS

Light Curtain

SF2-A

SF2-N

SF2-EH

SF-AC

Safety Relay Unit

Common specifications

Notes: 1) Since the color of operation indicator changes according to the ON / OFF state of control output (OSSD), the operation indicator is marked as ‘OSSD’

on the sensor.

Notes:

2) Surge absorber is connected between the main body enclosure and the supply terminals to avoid faulty operation due to surge. For this reason, the

values for dielectric strength voltage and insulation resistance are given for the condition when the surge absorber has been removed.

Notes:

3) U-shaped rear mounting intermediate supporting bracket (MS-SF2N-2 or MS-SF4A-H2) and L-shaped intermediate supporting bracket (MS-SF2N-L)

are attached with the following sensors. The number of attached U-shaped rear mounting intermediate supporting bracket and L-shaped intermediate
supporting bracket are different depending on the sensor as follows.
SF2-AH36(-PN)(-H), SF2-AH40(-PN)(-H), SF2-AA18(-PN)(-H), SF2-AA20(-PN)(-H): 1 set
SF2-AH48(-PN)(-H), SF2-AA24(-PN)(-H): 2 sets
SF2-AH56(-PN)(-H), SF2-AH64(-PN)(-H), SF2-AH72(-PN)(-H), SF2-AA28(-PN)(-H), SF2-AA32(-PN)(-H), SF2-AA36(-PN)(-H): 3 sets
SF2-AH80(-PN)(-H), SF2-AA40(-PN)(-H): 4 sets
SF2-AH88(-PN)(-H), SF2-AH96(-PN)(-H), SF2-AA44(-PN)(-H), SF2-AA48(-PN)(-H): 5 sets

Category 2 based on EN 954-1 (Type 2 based on IEC 61496-1/2)

0.3 to 7 m

0.984 to 22.966 ft

30 mm

1.181 in

opaque object

5 ° or less for a operating range exceeding 3 m

9.843 ft

(conforming to IEC 61496-2 / UL 61496-2)

24 V DC

15 % Ripple P-P 10 % or less

NPN output type

NPN open-collector transistor

•

Maximum sink current: 200 mA

•

Applied voltage: Same as supply voltage (between control output and 0 V)

•

Residual voltage: 2.0 V or less (at 200 mA sink current)

DC-12 or DC-13

ON when all beam channels are received, OFF when one or more beam channels are interrupted
(OFF also in case of any malfunction in the sensor or the synchronization signal)

Incorporated

OFF response: 15 ms or less, ON response: 40 to 60 ms or less (under stable light received condition)

NPN output type

NPN open-collector transistor

•

Maximum sink current: 60 mA

•

Applied voltage: Same as supply voltage (between alarm output and 0 V)

•

Residual voltage: 2.0 V or less (at 60 mA sink current)

Normal operation: Alarm output ON, Failure resulting in emission halt, or when test input is applied: Alarm output OFF

Incorporated

Beam-axis alignment indicators: 2-color (Red / Green) LED

4 (lights up in red when the each beam channel receives light,

blinks in red when the topmost or bottommost beam channel receives light, light up in green when all beam channels receive light)
Operation indicator (Note 1): 2-color (Red / Green) LED [lights up in red when control output (OSSD) is OFF, lights up in green
when control output (OSSD) is ON]
Emission halt indicator: Orange LED (lights up when emission halts)
Fault indicator: Yellow LED (lights up or blinks if a fault occurs in the sensor)

Beam-axis alignment indicators: 2-color (Red / Green) LED

4 (lights up in red when the each beam channel receives light,

blinks in red when the topmost or bottommost beam channel receives light, light up in green when all beam channels receive light)
OSSD indicator: 2-color (Red / Green) LED [lights up in red when control output (OSSD) is OFF, light up in green when control
output (OSSD) is ON]
Unstable incident beam indicator: Orange LED (lights up when light received is unstable)
Fault indicator: Yellow LED (lights up or blinks if a fault occurs in the sensor)

Incorporated

3 (Industrial environment)

IP65 (IEC)

10 to

14 to

131

(No dew condensation or icing allowed), Storage:

25 to

13 to

158

30 to 85 % RH, Storage: 30 to 95 % RH

Sunlight: 20,000

x at the light-receiving face, Incandescent light: 3,500

x at the light-receiving face

1,000 V AC for one min. between all supply terminals connected together and enclosure (Note 2) /
20 M

Ω

, or more, with 500 V DC megger between all supply terminals connected together and enclosure (Note 2)

10 to 55 Hz frequency, 0.75 mm

0.030 in

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

300 m/s

acceleration (30 G approx.) in X, Y and Z directions for three times each

Infrared LED (Peak emission wavelength: 870 nm

0.034 mil

)

Enclosure: Aluminium, Resin case: ABS, Lens: Polycarbonate, Cap: PBT

Emitter: 6-core (0.3 mm

4-core, 0.2 mm

2-core) shielded cable, 0.5 m

1.640 ft

long, with a connector at the end

Receiver: 7-core (0.3 mm

5-core, 0.2 mm

2-core) shielded cable, 0.5 m

1.640 ft

long, with a connector at the end

Extension up to total 20.5 m

67.257 ft

is possible, for both emitter and receiver, with optional mating cables

MS-SF2N-1 (Rear mounting bracket): 1 set for emitter and receiver
MS-SF2N-2 (U-shaped rear mounting intermediate supporting bracket, MS-SF4A-H2 for ‘-H’ type): (Note 3)
MS-SF2N-L (L-shaped intermediate supporting bracket): (Note 3)
SF2-AH-TR (Test rod): 1 pc. [SF2-AH

(-PN)(-H) only]

PNP output type

PNP open-collector transistor

•

Maximum source current: 200 mA

•

Applied voltage: Same as supply voltage (between control output and

•

Residual voltage: 2.5 V or less (at 200 mA source current)

PNP output type

PNP open-collector transistor

•