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. Set of light curtains contains transmitter head and 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.

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 14mm to even 70 mm.

The physical size of curtains is also important. Some model can be small as hand but the other ones are even 2.5 m long.


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Description Price 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 Stock No. 757-7879
Mfr. Part No.OS32C-SP1
BrandOmron
TWD149,453.00
Each
units
- 0S32C 30 mm, 40 mm, 50 mm, 70 mm Scanner 3 2 D - - - 3m 680 (On to Off) ms, 780 (Off to On) ms 24 V dc -
RS Stock No. 511-7052
Mfr. Part No.1K3-100
BrandSmartscan
TWD20,745.00
Each
units
- 1000 Plus 30mm Receiver, Sender 3 2 D 12 330mm 0.5m 5m 40 ms 24 V dc Hand
RS Stock No. 757-7712
Mfr. Part No.F3S-TGR-CL2A-035-900
BrandOmron
TWD45,494.00
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 900mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8310
Mfr. Part No.XUSL2E30H026N
TWD29,079.00
1 Pair
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 13 260mm 0m 4 m, 12 m 6 ms 24 V dc Hand
RS Stock No. 757-7715
Mfr. Part No.F3S-TGR-CL2A-035-600
BrandOmron
TWD34,561.00
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 600mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8311
Mfr. Part No.XUSL2E30H121N
TWD70,553.00
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 61 1210mm 0m 4 m, 12 m 16 ms 24 V dc Hand
RS Stock No. 146-5827
Mfr. Part No.SLC440COM-E-0810-14
BrandSchmersal
TWD49,571.00
Each
units
SLC440COM 440 14mm Sender - - - 80 810mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 127-8320
Mfr. Part No.XUSL4E30H031N
TWD46,875.00
1 Pair of 1
Pair(s)
Preventa XUSL4E 30mm Receiver, Transmitter 4 3 E 16 310mm 0m 4 m, 12 m 5.5 ms 24 V dc Hand
RS Stock No. 125-0687
Mfr. Part No.F3SG-2RE0910P30
BrandOmron
TWD30,201.00
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 44 910mm 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 7 (ON to OFF) ms, 35 (OFF to ON Synchronized) ms, 135 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 146-5828
Mfr. Part No.SLC440COM-E-0810-30
BrandSchmersal
TWD37,810.00
Each
units
SLC440COM 440 30mm Sender - - - 40 810mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 701-9262
Mfr. Part No.C4MT-01814ABB03BE0
BrandSick
TWD31,429.00
Each
units
- C4MT 14mm Receiver, Sender 4 3 E - 180mm 0m 5m 14 ms 24 V dc Finger, Hand
RS Stock No. 757-7718
Mfr. Part No.F3S-TGR-CL2A-035-750
BrandOmron
TWD39,470.00
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 770mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 127-8317
Mfr. Part No.XUSL4E14F061N
TWD75,062.00
1 Pair of 1
Pair(s)
Preventa XUSL4E 14mm Receiver, Transmitter 4 3 E 60 610mm 0 m, 1 m 3 m, 6 m 9 ms 24 V dc Finger
RS Stock No. 196-4102
Mfr. Part No.XUSL4MA40H196N
TWD128,133.00
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 66 1960mm 0m 4 m, 12 m 18.5 ms 24 V dc Hand
RS Stock No. 127-8312
Mfr. Part No.XUSL2E30H016N
TWD23,712.00
1 Pair
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 8 160mm 0m 4 m, 12 m 4.5 ms 24 V dc Hand
RS Stock No. 913-9273
Mfr. Part No.C2C-EA09030A10000
BrandSick
TWD23,348.00
Each
units
DeTec2 Core - 30mm Receiver 2 1 C - 900mm 0m 10 (Minimum) m, 12 (Typical) m 11 ms 24 V dc Body, Hand
RS Stock No. 196-4127
Mfr. Part No.XUSL4MB40H226N
TWD112,425.00
1 Pair
Pair(s)
Preventa Safety Detection XUSL4M 40mm Receiver, Transmitter 4 3 - 76 2260mm 0m 4 m, 12 m 20.5 ms 24 V dc Hand
RS Stock No. 146-5829
Mfr. Part No.SLC440COM-E-0970-14
BrandSchmersal
TWD55,694.00
Each
units
SLC440COM 440 14mm Sender - - - 96 970mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 701-9266
Mfr. Part No.C4MT-03014ABB03DE0
BrandSick
TWD26,500.00
Each
units
- C4MT 14mm Receiver, Sender 4 3 E - 300mm 0m 5m 14 ms 24 V dc Finger, Hand
RS Stock No. 146-5837
Mfr. Part No.SLC440COM-E-1610-14
BrandSchmersal
TWD83,527.00
Each
units
SLC440COM 440 14mm Sender - - - 160 1610mm 300mm 6000mm 28 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging