The SFL series safety light curtains offer various detection type models (finger/hand/hand-body detection) and safety functions for diverse applications. The light curtains feature stable operation in diverse conditions including low temperature, oil, high pressure.

Sensing type Through-beam type
Light source Infrared LED(855nm)
Effective aperture angle(EAA) Within ± 2.5 ° when the sensing distance is greater than 3 m for both emitter and receiver.
Sensing distance Short - Long mode (setting switch)
Short mode 0.2 to 8 m
Long mode 0.2 to 15 m
Detection capability Ø 20 mm (hand)
Sensing target Opaque
Protective height 363 mm
Number of optical axes 24
Optical axis pitch 15mm
Series connection Max. 3 SET (≤ 300 optical axes)
Power supply 24 VDC ±20 %(ripple P-P: ≤10 %)
Current consumption Emitter: ≤106mA, receiver: ≤181mA
Safety related output: OSSD output NPN or PNP open collector
Load voltage : ON - 24 VDC (except for the residual voltage), OFF - 0 VDC
Load current : ≤ 300 mA
Residual voltage : ≤ 2 VDC(except for voltage drop due to wiring)
Load capability: ≤ 2.2 ㎌
Leakage current: ≤ 2.0 mA
Wire resistance of load: ≤ 2.7 Ω
Auxiliary output(AUX 1/2) NPN or PNP open collector
Load voltage: ≤ 24 VDC, Load current: ≤ 100 mA,
Residual voltage: ≤ 2 VDC (except for voltage drop due to wiring)
Lamp output(LAMP 1/2) NPN or PNP open collector
Load voltage: ≤ 24 VDC, Load current: ≤ 300 mA
Protection circuit Reverse power polarity, reverse output polarity, output short-circuit over-current protection
Safety-related functions Interlock (reset hold), external device monitoring (EDM), muting/override, Blanking (fixed blanking, floating blanking), reduced resolution
General functions Self-test, alarm for reduction of incident light level, mutual interference prevention
Others functions Change of sensing distance, switching to NPN or PNP, external test (light emission stops), auxiliary output (AUX 1, 2), lamp output (LAMP1, 2)
Synchronization type Timing method by RS485 synchronous line
Insulation resistance Over 20MΩ (at 500VDC megger)
Noise immunity The square wave noise (pulse width: 1㎲) by the noise simulator ±240VDC
Dielectric strength 1,000VAC 50/60Hz for 1 minute
Vibration 10 mm double amplitude at frequency of 5 to 150 Hz, 10 sweeps ni each X, Y, Z direction
Shock 250 m/s² (≈ 25 G), pulse width 6 ms in each X, Y, Z direction for 100 times
Environment_Ambient illumination Sunlight: Max. 10,000lx, Incandescent lamp: Max. 3,000lx (received illumination)
Ambient temperature -30 to 60 ℃, storage: -30 ~ 70 ℃ (no freezing or condensation)
Ambient humidity 35 to 85 %RH, storage: 35 to 95 %RH (non-freezing or non-condensation)
Protection structure IP65, IP67(IEC Standard), IP67G (JEM Standard), IP69K (DIN Standard)
Material Case: Aluminum, Front cover and sensing part: Polymethyl methacrylate, End cap: polycarbonate, Power I/O cable and connector cable: polyurethane (PUR) or polyvinyl chloride (PVC), Y type connector cable: polyvinyl chloride (PVC), lamp output cable and series connector cable: polyurethane (PUR), Top / Bottom adjustable bracket and Top / Bottom bracket: SUS304, Side adjustable bracket and Side bracket: nickel plated Zn
International standards UL 508, CSA C22.2 No. 14, ISO 13849-1 (PL e, Cat. 4), ISO 13849-2 (PL e, Cat. 4), UL 61496-1 (Type 4, ESPE), UL 61496-2 (Type 4, AOPDs), IEC/EN 61496-1 (Type 4, ESPE), IEC/EN 61496-2 (Type 4, AOPDs), IEC/EN 61508-1~-7 (SIL 3), IEC/EN 62061 (SIL CL 3)

The SFL series safety light curtains offer various detection type models (finger/hand/hand-body detection) and safety functions for diverse applications. The light curtains feature stable operation in diverse conditions including low temperature, oil, high pressure.

Sensing type Through-beam type
Light source Infrared LED(855nm)
Effective aperture angle(EAA) Within ± 2.5 ° when the sensing distance is greater than 3 m for both emitter and receiver.
Sensing distance Short - Long mode (setting switch)
Short mode 0.2 to 8 m
Long mode 0.2 to 15 m
Detection capability Ø 20 mm (hand)
Sensing target Opaque
Protective height 363 mm
Number of optical axes 24
Optical axis pitch 15mm
Series connection Max. 3 SET (≤ 300 optical axes)
Power supply 24 VDC ±20 %(ripple P-P: ≤10 %)
Current consumption Emitter: ≤106mA, receiver: ≤181mA
Safety related output: OSSD output NPN or PNP open collector
Load voltage : ON - 24 VDC (except for the residual voltage), OFF - 0 VDC
Load current : ≤ 300 mA
Residual voltage : ≤ 2 VDC(except for voltage drop due to wiring)
Load capability: ≤ 2.2 ㎌
Leakage current: ≤ 2.0 mA
Wire resistance of load: ≤ 2.7 Ω
Auxiliary output(AUX 1/2) NPN or PNP open collector
Load voltage: ≤ 24 VDC, Load current: ≤ 100 mA,
Residual voltage: ≤ 2 VDC (except for voltage drop due to wiring)
Lamp output(LAMP 1/2) NPN or PNP open collector
Load voltage: ≤ 24 VDC, Load current: ≤ 300 mA
Protection circuit Reverse power polarity, reverse output polarity, output short-circuit over-current protection
Safety-related functions Interlock (reset hold), external device monitoring (EDM), muting/override, Blanking (fixed blanking, floating blanking), reduced resolution
General functions Self-test, alarm for reduction of incident light level, mutual interference prevention
Others functions Change of sensing distance, switching to NPN or PNP, external test (light emission stops), auxiliary output (AUX 1, 2), lamp output (LAMP1, 2)
Synchronization type Timing method by RS485 synchronous line
Insulation resistance Over 20MΩ (at 500VDC megger)
Noise immunity The square wave noise (pulse width: 1㎲) by the noise simulator ±240VDC
Dielectric strength 1,000VAC 50/60Hz for 1 minute
Vibration 10 mm double amplitude at frequency of 5 to 150 Hz, 10 sweeps ni each X, Y, Z direction
Shock 250 m/s² (≈ 25 G), pulse width 6 ms in each X, Y, Z direction for 100 times
Environment_Ambient illumination Sunlight: Max. 10,000lx, Incandescent lamp: Max. 3,000lx (received illumination)
Ambient temperature -30 to 60 ℃, storage: -30 ~ 70 ℃ (no freezing or condensation)
Ambient humidity 35 to 85 %RH, storage: 35 to 95 %RH (non-freezing or non-condensation)
Protection structure IP65, IP67(IEC Standard), IP67G (JEM Standard), IP69K (DIN Standard)
Material Case: Aluminum, Front cover and sensing part: Polymethyl methacrylate, End cap: polycarbonate, Power I/O cable and connector cable: polyurethane (PUR) or polyvinyl chloride (PVC), Y type connector cable: polyvinyl chloride (PVC), lamp output cable and series connector cable: polyurethane (PUR), Top / Bottom adjustable bracket and Top / Bottom bracket: SUS304, Side adjustable bracket and Side bracket: nickel plated Zn
International standards UL 508, CSA C22.2 No. 14, ISO 13849-1 (PL e, Cat. 4), ISO 13849-2 (PL e, Cat. 4), UL 61496-1 (Type 4, ESPE), UL 61496-2 (Type 4, AOPDs), IEC/EN 61496-1 (Type 4, ESPE), IEC/EN 61496-2 (Type 4, AOPDs), IEC/EN 61508-1~-7 (SIL 3), IEC/EN 62061 (SIL CL 3)