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Panasonic Industry / Automation Controls

Flameproof Type Safety Light Curtain Type 4 BSF4-AH80

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  • Basic Information

  • Order guide

  • Specifications

  • Dimensions

  • Circuit/ Wiring

  • Cautions For Use

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Basic Information

Globally-compliant flameproof structure

UL,CE,CSA,TUV,FM,NEPSI Approved

CE : ATEX Directive, Machinery Directive, EMC Directive
UL, CSA : Certified by TÜV SÜD America Inc.

Please contact us about the type approval No. in China.

Compliant up to Control Category 4, PLe, SIL3
The control category differs depending on the configuration and wiring of the external circuit.

  • The BSF4-AH80 complied with the European Explosion-Proof Standard and the European RoHS 2, in December 2021.

* Please note that the part number and some specifications have been changed.

Features

■For your safety
In using the safety light curtain, please establish a control system to satisfy the below items in order to ensure safety with a total system.

>>Precautions for use

Complies with worldwide flameproof standards

The safety light curtain is built into a highly flameproof enclosure conforming to the IEC 61496 (Type 4).
The safety light curtain can be safely used in any workplace throughout the world where flameproof performance is required.

Europe : Complies with flameproof structures (Ex db [op is] ⅡB T6 Gb) specified by EN IEC 60079-0, EN 60079-1, EN 60079-28 and ATEX Directives (2014/34/EU).

United States : Complies with flameproof structures (Class I, Zone 1, AEx d ⅡB T6) specified by FM Class 3600, (ANSI/ISA-12.22.01)

Canada : Complies with flameproof structures (Ex d ⅡB T6) specified by CAN/CSA-E60079-0.

China : Complies with flameproof structures (Ex d ⅡB T6 Gb) specified by GB 3836.1-2010 (GB 3836.2-2010)

Japan : Complies with flameproof structures (Ex d ⅡB T6) according to technical standards conforming to international standards.

Hazardous locations: Zone 1 location, Zone 2 location
Classification of gas or vapor, and Temperature classification:IIB T6

Complies with worldwide flameproof standards

Ample protective height 1,595 mm 62.795 in

A single safety light curtain is sufficient for production lines with high working heights such as vehicle body spray-painting lines.

Ample protective height 1,595 mm 62.795 in

Mounting bracket enables easy beam-axis alignment

The beam-axis alignment is easy since angle adjustment is possible with the enclosed rear mounting bracket.

Mounting bracket enables easy beam-axis alignment

Less operating errors from extraneous light interference

A double-scanning method and retry processing are some unique new technology that help to avoid momentary interference from extraneous light coming from nearby equipment. A reduction in operating errors resulting from extraneous light interference can mean less frequent machinery stoppages and reduces the amount of time that a production line is not running.

Mutual interference is reduced without the need for interference prevention lines

No interference prevention lines are required between different items of equipment, so that safety light curtains can be installed with greater flexibility.

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Order guide

Safety light curtain

TypeOperating range (Note 1)Model No.
(Part No.)		Number of beam channelsProtective height (mm in)
20mm 0.787in
beam pitch		0.3 to 6m
0.984 to 19.685 ft		BSF4-AH80
(UBSF4AH80V2)
(Note 2)		801,595
62.795

Notes:

1) The operating range is the possible setting distance between the emitter and the receiver.

2) The part number has been changed since December 2021.

Control unit

DesignationAppearanceModel No.
(Part No.)		Description
Slim type control unit

SF-C13 (Note)
(USFC13)		For PNP/NPN equivalent output type safety light curtain.
Compatible with Control Category 4.
Use in a safe location.

Note:Refer to the SF-C10 series for details of SF-13.

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Specifications

* Specifications for products shipped after December 2021 (Part number: UBSF4AH80V2)

Model No.BSF4-AH80
Applicable flameproof
standards		Europe: EN IEC 60079-0, EN60079-1, EN 60079-28
USA: FM 3600 (ANSI/ISA 12.22.01)
Canada: CAN/CSA-E60079 China: GB 3836.1-2010 (GB 3836.2-2010)
Japan: Technical standard conforming to international standards
Flameproof capabilityEurope: Ex db [op is] ⅡB T6 Gb USA: Class I, Zone 1 AEx d ⅡB T6 Canada / Japan: Ex d ⅡB T6 China: Ex d ⅡB T6 Gb
Setup locationHazardous locations such as Zone 1 or Zone 2 where "II BT6" gases or vapors may be present (Note 2)
Applicable standardsISO 13849-1:2015 (Category 4, PLe), EN ISO 13849-1:2015 (Category 4, PLe), IEC 61508-1 to 4 (SIL 3), EN 50178, EN 55011, EN 61000-6-2, EN 61496-1 (Type 4), IEC 61496-1/2 (Type 4), UL 61496-1/2 (Type 4), CAN/CSA-C22.2 No. 14
Protective height1,595 mm 62.795 in
Beam pitch / Operating range20 mm 0.787 in / 0.3 to 6 m 0.984 to 19.686 ft
Min. sensing objectø30 mm ø1.181 in opaque object
Effective aperture angle±2.5° or less [for an operating range exceeding 3 m 9.843 ft (conforming to IEC 61496-2 / UL 61496-2)]
Supply voltage24 V DC ±10 % Ripple P-P 10 % or less
Current consumptionEmitter: 130 mA or less, Receiver: 125 mA or less
Control outputs
(OSSD1, OSSD2)		Semiconductor output (PNP output equivalent) 2 outputs
• Maximum source current: 200 mA
• Applied voltage: Same as supply voltage (between control output and +V)
• Residual voltage: 3.0 V or less (at 200 mA source current)
 Operation mode / Protection circuitON when all beam channels are received, OFF when one or more beam channels are interrupted
(OFF also in case of any malfunction in the safety light curtain or the synchronization signal) / Incorporated
Response timeOFF response 11 ms or less, ON response 70 ms or less
Auxiliary output
(Non-safety output)		PNP open-collector transistor
• Maximum source current: 60 mA
• Applied voltage: Same as supply voltage (between auxiliary output and +V)
• Residual voltage: 2.5 V or less (at 60 mA source current)
 Operation mode / Protection circuitOFF when control outputs are ON, ON when control outputs are OFF / Incorporated
IndicatorsEmitterTop beam-axis alignment indicator: 2-color (Red / Blue) LED (lights up in blue when control outputs are ON, lights up in red when the topmost beam channel receives light, lights off when the topmost beam channel is interrupted)
Bottom beam-axis alignment indicator: 2-color (Red / Blue) LED (lights up in blue when control outputs are ON, lights up in red when the bottommost beam channel receives light, lights off when the bottom most beam channel is interrupted)
Emission control indicator: Orange LED (lights up in orange during emission halt, lights off during normal operation)
Operation indicator: 2-color (Red / Green) LED (lights up in red when control outputs are OFF, lights up in green when control outputs are ON)
Fault indicator: Yellow LED (lights up or blinks if a fault occurs in the safety light curtain)
ReceiverTop beam-axis alignment indicator: 2-color (Red / Blue) LED (lights up in blue when control outputs are ON, lights up in red when the topmost beam channel receives light, lights off when the topmost beam channel is interrupted)
Bottom beam-axis alignment indicator: 2-color (Red / Blue) LED (lights up in blue when control outputs are ON, lights up in red when the bottommost beam channel receives light, lights off when the bottom most beam channel is interrupted)
Stable light indicator : 2-color (Green / Orange) LED (lights up in green when stable light state, lights up in orange when unstable light state, lights off when beam channels are interrupted)
OSSD indicator: 2-color (Red / Green) LED (lights up in red when control outputs are OFF, lights up in green when control outputs are ON)
Fault indicator: Yellow LED (lights up or blinks if a fault occurs in the safety light curtain)
Test input (emission halt) functionIncorporated
Test input (emission halt input)Emission: Vs-2.5 V to Vs (sink current: 5 mA or less) (Note 3), Emission halt: Open, or 0 to +1.5 V
Environmental resistanceDegree of protectionIP65 (IEC)
Ambient temperature / Ambient humidity–10 to +40 ℃ +14 to +104 ℉ (No dew condensation or icing allowed),
Storage: –20 to +55 ℃ –4 to +131 ℉ / 45 to 85 % RH, Storage: 45 to 85 % RH
Ambient illuminanceIncandescent light: 5,000 lx or less at the light-receiving face
Dielectric strength voltage1,000 V AC for one min. between all supply terminals connected together and safety light curtain grounding terminal (Note 4)
Insulation resistance20 MΩ, or more, with 500 V DC megger between all supply terminals connected together and safety light curtain grounding terminal (Note 4)
Vibration resistance10 to 55 Hz frequency, 0.35 mm 0.014 in double amplitude in X, Y and Z directions for 20 times each
Shock resistance100 m/s2 acceleration (10 G approx.) with pulse width 16 ms in X, Y and Z directions 1,000 times each
Altitude (Atmospheric pressure)2,000 m 6561 ft or less (800 to 1,100 hPa)
Emitting elementInfrared LED (Peak emission wavelength: 850 nm 0.033 mil)
MaterialFlameproof enclosure: Aluminum, Lid: Aluminum die-cast, Clear window: Glass, Window frame: Steel plate (Black chromate)
Window packing: Chloroprene, Safety light curtain mounting bracket: Steel plate (Black chromate), Cable: Oil-resistant PVC, Cable Gland: Brass (Nickel plated)
Cable6-core (0.3 mm2 × 4-core, 0.2 mm2 × 2-core) shielded cable, 20 m 65.617 ft long
Weight
(Total of emitter and receiver)		Net weight: 44 kg approx.
AccessoriesRear sensor mounting bracket: 1 set for emitter and receiver, Test rod: 1 pc. Gland adapter (Internal thread G 1/2): 2 pcs.

Notes:
1) Where measurement conditions have not been specified precisely, the conditions used were an ambient temperature of +20 ℃ +68 ℉.
2) Install the product in a location where it is less likely to suffer mechanical damage.
3) Vs is the same value as the voltage of the used power supply to be used.
4) It shows the specifications of the built-in safety light curtain.

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Dimensions

  • Unit: mm in

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I/O Circuit and Wiring diagrams

I/O circuit diagram

  • Use a safety relay unit or an equivalent safety control circuit for FSD.
  • Ground the cable of shield without fail.

*1

Notes:

1) Vs is same voltage as the voltage of the power supply to be used.

2) Ground the cable of shield without fail.

Wiring diagram of the SF-C13 (Control category 4)

Notes:

1) The above diagram is when using manual reset.
If automatic reset is used, disconnect the read from X2 and connect it to X3.
In this case, a reset (RESET) button is not needed.

2) Use a momentary-type switch for the reset (RESET) button.

3) Ground the grounding terminal of BSF4-AH80 without fail.

SF-C13 Terminal arrangement diagram

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Cautions For Use

  • Do not utilize this safety light curtain in “PSDI Mode”, in which the safety light curtain is utilized as an activator for machinery.
  • To use this product in the U.S.A., refer to OSHA 1910. 212 and OSHA 1910. 217 for installation, and in Europe, refer to EN ISO 13855 as well. Observe your national and local requirements before installing this product.
  • This website is a guide to select a suitable product. Be sure to read the instruction manual prior to its use.

Cautions for explosion-protection

  • This device has a flameproof structure and explosionproof performance that can only be ensured when the product meets all of the specified conditions and specifications. Failure to observe any of them will result in the loss of the explosionproof performance.
  • Use flameproof electric appliances that are compatible with hazardous locations (locations where an explosive atmosphere of gas or vapor may exist).
  • Make sure that the power supply is off while wiring. Otherwise, electric shock may result.
  • Never modify or repair the product yourself. Failure to follow this instruction may result in an explosion or ignition.
  • Protect the cables, or external conductors, against possible external damage by passing them through a sufficiently strong metallic tube or by other means.
  • Ground the grounding terminal without fail. Failure to follow this instruction may result in an explosion or ignition.
  • Do not open the lid of the flameproof enclosure, and do not remove the window frame fixtures of the enclosure. Failure to follow this instruction may result in an explosion or ignition.
  • The product can be used in the areas where flameproof appliances of “Groups IIA and IIB” and temperature classification “T1 to T6” can be used, and where explosive gases may exist.
    Japan: Zone 1 and Zone 2
    Europe: Zone 1 and Zone 2 (Category 2G: ATEX)
    USA: Class I , Zone 1 and Class I , Zone 2 (US NEC 505)
    Canada: Zone 1 and Zone 2
    China: Zone 1 and Zone 2

  • Install the product in a location where it is less likely to suffer mechanical damage.

Mounting

  • When mounting the safety light curtain, secure it in place using four M10 bolts.
  • The cable lead-in port is threaded for wiring protective tube or conduit (NPT 1/2). Using a steel wire tube etc., if necessary, screw a tube into the port at least five complete threads.
  • After beam alignment, tighten the hexagon-socket-head bolts for adjusting mounting angle for fixing. The recommended tightening torque is 1.5 to 1.7 N·m. (The hexagon-socket-head bolts for adjusting mounting angle are on top and bottom surfaces of the emitter and receiver.)

Grounding

  • Ground the external grounding terminal on the flameproof enclosure to keep the grounding resistance at or below 100 Ω.
  • For grounding, use an electric wire with equivalent or higher insulation performance to a 600 V polyvinyl-insulated electric wire, and of a thickness ensuring safe carrying of the expected maximum ground current.

Others

  • This device has been developed / produced for industrial use only.
  • Use the device according to the specifications of this product. Failure to follow this instruction may result in electric shock, injuries, or damage to the product.
  • Unpack the product with the right side facing up. If you do not follow this instruction, you may get injured.
  • Do not touch any terminals when measuring the insulation resistance.
    Failure to follow this instruction may result in electric shock.
  • If there is something abnormal with the product, immediately turn OFF the product. Otherwise, electric shock, injuries, or a fire may result.
  • Before measuring the insulation resistance, confirm that there is no explosive atmosphere of gases or vapor around. Failure to follow this instruction may result in an explosion or ignition.
  • Do not place anything in front of the nameplate.
  • Do not remove the nameplate.

Reference

Classification of “Class” (North America only)

  • Hazardous atmosphere is classified as follows.
ClassificationHazardous atmosphereUse of BSF4-AH80
Class IGas or vaporCan be used
Class IIDustCannot be used
Class IIIFiber • Floating particlesCannot be used

Classification of hazardous locations “Zone”

ClassificationHazardous atmosphereUse of BSF4-AH80
Zone 0
location		A location where a hazardous atmosphere exists continuously or for a long period of time (100 hours or longer per year) under normal conditions.Cannot be used
Zone 1
location		A location where a hazardous atmosphere is expected to be generated under normal conditions
(a location where a hazardous atmosphere is expected to exist for one to 100 hours per year).		Can be used
Zone 2
location		A location where a hazardous atmosphere is expected to be generated under abnormal conditions
(a location where a hazardous atmosphere is expected to exist for less than one hour per year).		Can be used

Classification of “Group”

  • Electric appliances are classified into the following groups in terms of explosive atmospheres:
ClassificationHazardous atmosphereUse of BSF4-AH80
Group IElectric appliances for mines that are likely to generate firedamp.Cannot be used
Group IIElectric appliances for locations with an explosive atmosphere, except for mines that are likely to generate firedamp.Can be used

Classification of gas / temperature in Group

  • Excerpted from the “Guide to Explosion-proof Electric Machine and Appliance Type Verification (Related Technical Standards Consistent with Global Standards, Japan)”. In general, the temperature classes and gas or vapor categories of the representative explosive gases frequently used by plants are as shown in the table below:
Temperature classificationT1T2T3T4T5T6
Flash pointOver 450 ℃ 842 ℉Over 300 ℃ 572 ℉,
450 ℃ 842 ℉ and below		Over 200 ℃ 392 ℉,
300 ℃ 572 ℉ and below		Over 135 ℃ 275 ℉,
200 ℃ 392 ℉ and below		Over 100 ℃ 212 ℉,
135 ℃ 275 ℉ and below		Over 85 ℃ 185 ℉,
100 ℃ 212 ℉ and below
Classification of gas or vaporAAceton
Ammonia
Carbon monoxide
Ethane
Acetic acid
Ethyl acetate
Toluene
Propane
Benzen
Methanol
Methane		Ethanol
Vinyl acetate
1-butanol
Butane
Acetic anhydride		Octane
Hexane		Acetaldehyde  
BCoal gasEthylene
Ethylene oxide		    
CWater gas
Hydrogen		Acetylene  Carbon
disulfide		Ethyl
nitrate

Note: BSF4-AH80 can be used in the area of A to B (Classification of gas or vapor) and T1 to T6 (Temperature classification).

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