Business > Industrial Devices > Automation Controls Top > FA Sensors & Components > Sensors > Light Curtains / Safety Components > Small Light Curtain Type 2 SF2-N(Discontinued Products) > Specifications
We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.
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Type | 20 mm 0.787 in beam pitch | 40 mm 1.575 in beam pitch | |||
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NPN output | PNP output | NPN output | PNP output | ||
Model No. | SF2-NH□(-H) | SF2-NH□-PN(-H) | SF2-NA□(-H) | SF2-NA□-PN(-H) | |
Applicable standards | Category 2 based on EN 954-1 (Type 2 based on IEC 61496-1/2) | ||||
Operating range | 0.3 to 7 m 0.984 to 22.966 ft (Note 2) | ||||
Detection capability | ø30 mm ø1.181 in opaque object | ø50 mm ø1.969 in opaque object | |||
Effective aperture angle | ±5° or less for a operating range exceeding 3 m 9.843 ft (conforming to IEC 61496-2 / UL 61496-2) | ||||
Supply voltage | 24 V DC ± 15 % Ripple P-P 10 % or less | ||||
Control output (OSSD) |
<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) <PNP output type> PNP open-collector transistor ・Maximum source current: 200 mA ・Applied voltage: Same as supply voltage (between control output and +V) ・Residual voltage: 2.5V or less (at 200 mA source current) |
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Utilization category | DC-12 or DC-13 | ||||
Operation mode | 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 light curtain or the synchronization signal) | ||||
Response time | OFF response: 15 ms or less, ON response: 28 ms or less (under stable light received condition) | ||||
Alarm output |
<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) <PNP output type> PNP open-collector transistor ・Maximum source current: 60 mA ・Applied voltage: Same as supply voltage (between alarm output and +V) ・Residual voltage: 2.5 V or less (at 60 mA source current) |
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Operation mode | Normal operation: Alarm output ON, Failure resulting in emission halt, or when test input is applied: Alarm output OFF | ||||
Test input (emission halt) function | Incorporated | ||||
Master / Slave selection input | Connection to 0 V (Low): Master mode operation, Open (High): Slave mode operation | ||||
Interference prevention function |
Incorporated Series connection: 3 sets max. [SF2-NH □(-PN)(-H): total 128 beam channels max., SF2-NA □(-PN)(-H): total 64 beam channels max.] Parallel connection: 2 sets max. Series and parallel mixed connection: Series connection of 3 sets max. and parallel connection of 2 sets max. are simultaneously possible. 20 mm 0.787 in beam pitch type and 40 mm 1.575 in beam pitch type cannot be combined together in series connection. |
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Pollution degree | 3 (Industrial environment) | ||||
Degree of protection | IP65 (IEC) | ||||
Ambient temperature | -10 to +55℃ +14 to +131℉ (No dew condensation or icing allowed), Storage: -25 to +70℃ +13 to +58℉ | ||||
Emitting element | Infrared LED (Peak emission wavelength: 870 nm 0.034 mil) | ||||
Material | Enclosure: Aluminium, Resin case: ABS, Lens: Polycarbonate, Cap: PBT | ||||
Dimensions |
Normal case Type: W28 x H (protective height + 12) x D19 mm W1.102 x H (protective height + 0.472) x D0.748 in With spatter protection hood type: W28 x H (protective height + 12) x D39 mm W1.102 x H (protective height + 0.472) x D1.535 in |
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Accessories |
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-NH-TR(Test rod): 1 pc. [SF2-NH□ (-PN)(-H) only] |
Note 1: | Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉. |
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Note 2: | The operating range is the possible setting distance between the emitter and the receiver. The light curtain can detect an object less than 0.3 m 0.984 ft away. |
Note 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 light curtains. The number of attached U-shaped rear mounting intermediate supporting bracket and L-shaped intermediate supporting bracket are different depending on the light curtain as follows. SF2-NH36(-PN)(-H), SF2-NH40(-PN)(-H), SF2-NA18(-PN)(-H), SF2-NA20(-PN)(-H): 1 set SF2-NH48(-PN)(-H), SF2-NA24(-PN)(-H): 2 sets SF2-NH56(-PN)(-H), SF2-NH64(-PN)(-H), SF2-NA28(-PN)(-H), SF2-NA32(-PN)(-H), SF2-NA36(-PN)(-H): 3 sets SF2-NA40(-PN)(-H): 4 sets |
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