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. 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. 146-5844
FabrikantnummerSLC440COM-R-0490-14
FabrikantSchmersal
€ 1.107,39
Each
Aantal stuks
SLC440COM 440 14mm Receiver - - - 48 490mm 300mm 7000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS-stocknr. 196-4122
FabrikantnummerXUSL4MB40H151N
€ 2.652,62
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. 183-5242
Fabrikantnummer450L-E4FL0900YD
€ 1.100,00
Each
Aantal stuks
GuardShield 450L-E 14mm Transceiver - - e - 900mm 0.5m 9m 20 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
Nieuw
RS-stocknr. 213-1823
FabrikantnummerWEU26/3-203A00
FabrikantSick
€ 445,00
Each
Aantal stuks
- WSU/WEU26-3 30mm Receiver Type 4 - PL e 1 - - 70m 22000 μs 19.2 → 28.8 V dc -
Nieuw
RS-stocknr. 213-1816
FabrikantnummerM4C-SA0250LA10
FabrikantSick
€ 320,00
Each
Aantal stuks
- deTem 500mm Sender Type 4 - PL e 2 - - 17m 20000 μs 19.2 → 28.8 V dc Body, Normal Industrial Environment
RS-stocknr. 125-0676
FabrikantnummerF3SG-2RE0400P14
FabrikantOmron
€ 630,08
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - c 39 400mm 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. 183-5264
Fabrikantnummer450L-E4HL1950YD
€ 1.985,23
Each
Aantal stuks
GuardShield 450L-E 30mm Transceiver - - e - 1950mm 0.9m 16.2m 13 ms 24 V dc Electronic Fences, Forming Operations, Presses, Robot Cells, Workstations
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. 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. 920-9697
Fabrikantnummer2TLA022302R0300
FabrikantABB
€ 1.599,00
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - e 32 600mm 0.2m 19m 14 ms 24 V dc Hand
RS-stocknr. 703-4974
Fabrikantnummer445L-P4E0750FP
€ 1.460,00
1 Pair
Pair(s)
GuardShield micro 400 30mm Receiver, Sender 4 3 e 30 750mm 0m 5m 23 ms 24 V dc Hand
RS-stocknr. 127-8330
FabrikantnummerXUSL4E30H151L
€ 3.691,00
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 e 76 1510mm 0 m, 3 m 10 m, 20 m 11 ms 24 V dc Hand
RS-stocknr. 182-9541
FabrikantnummerSLLP23-560P48
FabrikantBanner
€ 1.380,32
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 e - 560mm - 12m 11.6 ms 24 V dc Area
RS-stocknr. 757-7831
FabrikantnummerF3SJ-E0785P25
FabrikantOmron
€ 1.148,97
1 Pair
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 e 38 785mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
RS-stocknr. 146-5838
FabrikantnummerSLC440COM-E-1610-30
FabrikantSchmersal
€ 1.660,75
Each
Aantal stuks
SLC440COM 440 30mm Sender - - - 80 1610mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS-stocknr. 146-5845
FabrikantnummerSLC440COM-R-0490-30
FabrikantSchmersal
€ 730,60
Each
Aantal stuks
SLC440COM 440 30mm Receiver - - - 24 490mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
Nieuw
RS-stocknr. 213-1808
FabrikantnummerM2C-SA0340HA10
FabrikantSick
€ 288,00
Each
Aantal stuks
- deTem 400mm Sender - - PL c 3 - - 90m 20000 μs 19.2 → 28.8 V dc Body, Normal Industrial Environment
RS-stocknr. 146-5853
FabrikantnummerSLC440COM-R-1130-30
FabrikantSchmersal
€ 1.249,91
Each
Aantal stuks
SLC440COM 440 30mm Receiver - - - 56 1130mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS-stocknr. 182-9536
FabrikantnummerSLLP23-280P88
FabrikantBanner
€ 896,66
Each
Aantal stuks
- SLL 23mm Emitter, Receiver - 3 e - 280mm - 12m 8.2 ms 24 V dc Area