Light Curtains

Safety light curtains are also known as safety light barriers or safety light screens. These optoelectronic devices are used to detect people present in the vicinity of moving machinery. Light curtains can be used as an alternative to mechanical barriers and other forms of traditional machine guarding. A set of light curtains contains a transmitter head and a receiver head. A transmitter generates an infra-red light between the two heads which acts as a detection zone. A movement detected within the detection zone initials the machine stopping procedure and automatically disconnect all hazardous machinery.

To reactivate the machinery, an operator has to press reset button that is positioned outside of the danger area. Some models are equipped with an auto-reset option that automatically starts machinery once the detection zone is free of obstacles. A response time of all light curtains is just a fraction of a second, it means that no other barrier type can compare to that.

Light curtains are great safety devices that are used to keep people safe around hazardous machinery which could cause them harm. They can help ensure user safety during routine operations like maintenance and repair.

Selecting the right light curtains

Maximum scanning distance and beam resolution are 2 important attributes that determine the right device for you. A distance between transmitter and receiver can be various from 0 to 20m and the choice depends on the type of machinery that is used in conjunction with the curtain.

Beam resolution determines detection capability, light curtains with 14 mm beam resolution are able to detect small body parts such as a finger, 20 mm ones are suitable for palm detection. Beam resolution of 20 mm and above are ideal for hand, head or full body detection. Typical beam resolution values are between 14 mm to even 70 mm.

Typical Applications

Light curtains are a way of safeguarding employees from dangerous machines. The design of the safety light curtain offers more flexibility and simplifies machine set up, maintenance and repair than other solid traditional guarding systems such as mechanical barriers and sliding gates. They can be found in various applications including:

  • Packaging machines
  • Process machinery
  • Automated warehouses
  • Textile machinery
  • Electronic component assembly lines
  • Mechanical and hydraulic power presses

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Omschrijving Prijs Range Series Beam Resolution Component Type Safety Type SIL IEC 61508 PL EN ISO 13849-1 Number of Beams Protective Height Minimum Scanning Distance Maximum Scanning Distance Maximum Response Time Supply Voltage Application
RS-stocknr. 182-9558
FabrikantnummerSLLP23-1680P88
FabrikantBanner
€ 3.313,60
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 e - 1680mm - 12m 25.2 ms 24 V dc Area
RS-stocknr. 182-9529
FabrikantnummerSGSSP4-300Q88
FabrikantBanner
€ 1.593,75
Each
Aantal stuks
- SGS 300mm Emitter, Receiver - 3 e 4 900mm 0.5m 30m 25 ms 24 V dc Area
RS-stocknr. 127-8332
FabrikantnummerXUSL4E30H121N
€ 2.133,00
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 61 1210mm 0m 4 m, 12 m 15.5 ms 24 V dc Hand
RS-stocknr. 146-5821
FabrikantnummerSLC440COM-E-0330-14
FabrikantSchmersal
€ 748,52
Each
Aantal stuks
SLC440COM 440 14mm Sender - - - 32 330mm 300mm 7000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS-stocknr. 201-7895
FabrikantnummerSGS4-F140P7PC1W02
FabrikantSick
€ 795,59
Each
Aantal stuks
10 m SLG 40mm Sender/receiver 3 - - 36 - - - - - -
RS-stocknr. 136-3371
FabrikantnummerC4C-SA03030A10000
FabrikantSick
€ 383,40
Each
Aantal stuks
deTec4 Core C4C 30mm Sender - - - - 300mm 0m 12m 14 ms 24 V dc Industrial
RS-stocknr. 183-5261
Fabrikantnummer450L-E4HL1500YD
€ 1.527,10
Each
Aantal stuks
GuardShield 450L-E 30mm Transceiver - - e - 1500mm 0.9m 16.2m 13 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
RS-stocknr. 183-5249
Fabrikantnummer450L-E4FL1800YD
€ 2.090,00
Each
Aantal stuks
GuardShield 450L-E 14mm Transceiver - - e - 1800mm 0.5m 9m 20 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
RS-stocknr. 196-4093
FabrikantnummerXUSL4MA30H136N
€ 4.388,24
1 Pair
Pair(s)
Preventa XUSL4M 30mm Receiver, Transmitter 4 3 - 68 1360mm 0m 4 m, 12 m 19 ms 24 V dc Hand
RS-stocknr. 182-9551
FabrikantnummerSLLP23-1190P88
FabrikantBanner
€ 2.466,84
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 e - 1190mm - 12m 19.2 ms 24 V dc Area
RS-stocknr. 703-4971
Fabrikantnummer445L-P4E0600FP
€ 1.180,00
1 Pair
Pair(s)
GuardShield micro 400 30mm Receiver, Sender 4 3 e 24 600mm 0m 5m 23 ms 24 V dc Hand
RS-stocknr. 196-4109
FabrikantnummerXUSL4MB30H046N
€ 1.829,31
1 Pair
Pair(s)
Preventa XUSL4M 30mm Receiver, Transmitter 4 3 - 23 460mm 0m 4 m, 12 m 9.5 ms 24 V dc Hand
RS-stocknr. 191-9841
Fabrikantnummer632041
FabrikantPilz
€ 907,27
Each
Aantal stuks
- PSEN opII3F 14mm Receiver, Transmitter 3 - d - 300mm 0.2m 8m 15.2 ms 24 V dc Industrial
RS-stocknr. 183-5257
Fabrikantnummer450L-E4HL0900YD
€ 969,12
Each
Aantal stuks
GuardShield 450L-E 30mm Transceiver - - e - 900mm 0.9m 16.2m 13 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
RS-stocknr. 182-9567
FabrikantnummerSLLP40-560P88
FabrikantBanner
€ 1.638,09
Each
Aantal stuks
- SLL 40mm Emitter, Receiver - 3 e - 560mm - 12m 8.2 ms 24 V dc Area
RS-stocknr. 127-8326
FabrikantnummerXUSL4E14F031N
€ 1.243,61
1 Pair of 1
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 e 30 310mm 0 m, 1 m 3 m, 6 m 5.5 ms 24 V dc Finger
RS-stocknr. 136-3370
FabrikantnummerC4C-EA12010A10000
FabrikantSick
€ 1.414,27
Each
Aantal stuks
deTec4 Core C4C 14mm Receiver - - - - 1200mm 0m 8m 16 ms 24 V dc Industrial
RS-stocknr. 127-8328
FabrikantnummerXUSL4E30H106N
€ 1.998,54
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 53 1060mm 0m 4 m, 12 m 14 ms 24 V dc Hand
RS-stocknr. 182-9534
FabrikantnummerSGSXP4-400Q88
FabrikantBanner
€ 2.051,08
Each
Aantal stuks
- SGS 400mm Emitter, Receiver - 3 e 4 1200mm 6m 60m 25 ms 24 V dc Area
RS-stocknr. 136-3362
FabrikantnummerC4C-SA03010A10000
FabrikantSick
€ 482,43
Each
Aantal stuks
deTec4 Core C4C 14mm Sender - - - - 300mm 0m 8m 16 ms 24 V dc Industrial
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