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. 196-4099
FabrikantnummerXUSL4MA40H151N
€ 3.265,63
1 Pair
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 51 1510mm 0m 4 m, 12 m 15.5 ms 24 V dc Hand
RS-stocknr. 196-4097
FabrikantnummerXUSL4MA40H121N
€ 2.957,53
1 Pair
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 41 1210mm 0m 4 m, 12 m 13.5 ms 24 V dc Hand
RS-stocknr. 183-5262
Fabrikantnummer450L-E4HL1650YD
€ 1.679,81
Each
Aantal stuks
GuardShield 450L-E 30mm Transceiver - - e - 1650mm 0.9m 16.2m 13 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
RS-stocknr. 125-0675
FabrikantnummerF3SG-2RE0320P14
FabrikantOmron
€ 566,28
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - c 31 320mm 0.3 (Long) m, 0.3 (Short) m 10 (Long) m, 3 (Short) m 135 (OFF to ON Not Synchronized) ms, 35 (OFF to ON Synchronized) ms, 7 (ON to OFF) ms 24 V dc Arm, Finger, Hand
RS-stocknr. 183-5266
Fabrikantnummer450L-APR-MU-8
€ 216,00
Each
Aantal stuks
GuardShield 450L-E - Receiver Plug - - - - - - - - - -
RS-stocknr. 746-7315
FabrikantnummerF3SJ-A0295P30
FabrikantOmron
€ 1.575,31
Each
Aantal stuks
- F3SJ 25mm Receiver, Sender 4 3 e 12 295mm 0.2m 9m 17.5 (On to Off) ms, 70 (Off to On) ms 24 V dc Body, Hand
RS-stocknr. 701-2934
FabrikantnummerC2MT-09024BBC03FE0
FabrikantSick
€ 670,04
Each
Aantal stuks
miniTwin C2MT 24mm Receiver, Sender 2 2 d - 900mm 0m 8m 13 ms 24 V dc Hand
RS-stocknr. 191-9837
Fabrikantnummer632024
FabrikantPilz
€ 1.203,83
Each
Aantal stuks
- PSEN opII3H 30mm Receiver, Transmitter 3 - d - 750mm 0.2m 18m 15.2 ms 24 V dc Industrial
RS-stocknr. 127-8308
FabrikantnummerXUSL2E30H181N
€ 2.309,61
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 c 91 1810mm 0m 4 m, 12 m 22.5 ms 24 V dc Hand
RS-stocknr. 196-4101
FabrikantnummerXUSL4MA40H181N
€ 3.629,08
1 Pair
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 61 1810mm 0m 4 m, 12 m 17.5 ms 24 V dc Hand
RS-stocknr. 182-9561
FabrikantnummerSLLP23-1820P88
FabrikantBanner
€ 3.554,75
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 e - 1820mm - 12m 26.9 ms 24 V dc Area
RS-stocknr. 196-4089
FabrikantnummerXUSL4MA30H091N
€ 3.690,59
1 Pair
Pair(s)
Preventa XUSL4M 30mm Receiver, Transmitter 4 3 - 46 910mm 0m 4 m, 12 m 14.5 ms 24 V dc Hand
RS-stocknr. 183-5271
Fabrikantnummer889D-F5BC-10
€ 25,40
Each
Aantal stuks
GuardShield 450L-E - Connection Cable - - - - - - - - - -
RS-stocknr. 196-4119
FabrikantnummerXUSL4MB40H106N
€ 2.224,77
1 Pair
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 36 1060mm 0m 4 m, 12 m 12.5 ms 24 V dc Hand
RS-stocknr. 196-4110
FabrikantnummerXUSL4MB30H061N
€ 1.972,34
1 Pair
Pair(s)
Preventa XUSL4M 30mm Receiver, Transmitter 4 3 - 31 610mm 0m 4 m, 12 m 11 ms 24 V dc Hand
RS-stocknr. 196-4094
FabrikantnummerXUSL4MA30H151N
€ 4.653,35
1 Pair
Pair(s)
Preventa XUSL4M 30mm Receiver, Transmitter 4 3 - 76 1510mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
RS-stocknr. 146-5857
FabrikantnummerSLC440COM-R-1450-30
FabrikantSchmersal
€ 1.517,19
Each
Aantal stuks
SLC440COM 440 30mm Receiver - - - 72 1450mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS-stocknr. 191-9844
Fabrikantnummer632064
FabrikantPilz
€ 1.584,00
Each
Aantal stuks
- opII4H 30mm Receiver, Transmitter 4 - e - 750mm 0.2m 18m 15.2 ms 24 V dc Industrial
RS-stocknr. 151-2479
Fabrikantnummer450L-B4FN0300YD
€ 367,00
Each
Aantal stuks
GuardShield 450L 14mm Transceiver 4 3 e 16 300mm 0.5m 4m <15 ms 24 V dc Mechanical Protective Devices
RS-stocknr. 191-9850
Fabrikantnummer632081
FabrikantPilz
€ 1.193,77
Each
Aantal stuks
- opII4F 14mm Receiver, Transmitter 4 - e - 300mm 0.2m 8m 15.2 ms 24 V dc Industrial