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
HK$34,562.00
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. 913-9286
Mfr. Part No.C2C-EA12030A10000
BrandSick
HK$7,496.54
Each
units
DeTec2 Core - 30mm Receiver 2 1 C - 1200mm 0m 10 (Minimum) m, 12 (Typical) m 12 ms 24 V dc Body, Hand
RS Stock No. 511-7068
Mfr. Part No.012-104
BrandSmartscan
HK$5,805.50
Each
units
- 1000 Plus 30mm Receiver, Sender 3 2 D 24 630mm 0.5m 5m 40 ms 24 V dc Hand
RS Stock No. 862-5865
Mfr. Part No.OS32C-BP-4M
BrandOmron
HK$35,750.00
Each
units
- 0S32C 30 mm, 40 mm, 50 mm, 70 mm Scanner 3 2 D - - - 4m 680 (On to Off) ms, 780 (Off to On) ms 24 V dc -
RS Stock No. 757-7702
Mfr. Part No.F3S-TGR-CL2A-035-300
BrandOmron
HK$5,325.10
1 Pair
Pair(s)
- F3S-TGR-CL 35mm Receiver, Sender 2 - C 2 300mm 0.2m 14m 103 ms 24 V dc Finger, Hand
RS Stock No. 182-9585
Mfr. Part No.SLLP40-1750P88
BrandBanner
HK$35,522.01
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1750mm - 12m 15.4 ms 24 V dc Area
RS Stock No. 182-9586
Mfr. Part No.SLLP40-1820P88
BrandBanner
HK$36,765.22
Each
units
- SLL 40mm Emitter, Receiver - 3 E - 1820mm - 12m 15.9 ms 24 V dc Area
RS Stock No. 146-5832
Mfr. Part No.SLC440COM-E-1130-30
BrandSchmersal
HK$9,978.65
Each
units
SLC440COM 440 30mm Sender - - - 56 1130mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 757-7718
Mfr. Part No.F3S-TGR-CL2A-035-750
BrandOmron
HK$8,904.50
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. 127-8298
Mfr. Part No.XUSL2E30H091N
HK$13,498.73
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 46 910mm 0m 4 m, 12 m 13 ms 24 V dc Hand
RS Stock No. 127-8326
Mfr. Part No.XUSL4E14F031N
HK$12,256.96
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 Stock No. 125-0679
Mfr. Part No.F3SG-2RE0720P14
BrandOmron
HK$7,702.62
1 Pair
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 71 720mm 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (Long) m 9 (ON to OFF) ms, 45 (OFF to ON Synchronized) ms, 145 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
RS Stock No. 920-9697
Mfr. Part No.2TLA022302R0300
BrandABB
HK$10,790.58
1 Pair
Pair(s)
Orion1 - 30mm Receiver, Sender 4 - E 32 600mm 0.2m 19m 14 ms 24 V dc Hand
RS Stock No. 701-2965
Mfr. Part No.C2MT-09034BBC03FE0
BrandSick
HK$7,127.27
Each
units
MiniTwin C2MT 34mm Receiver, Sender 2 2 D - 900mm 0m 8m 13 ms 24 V dc Hand
RS Stock No. 511-7119
Mfr. Part No.012-117
BrandSmartscan
HK$13,515.00
Each
units
- 1000 Plus 40mm Receiver, Sender 2 - - 60 1540mm 4m 10m 40 ms 24 V dc Hand
RS Stock No. 125-0686
Mfr. Part No.F3SG-2RE0750P30
BrandOmron
HK$6,531.82
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 36 750mm 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. 127-8299
Mfr. Part No.XUSL2E30H136N
HK$19,023.16
1 Pair of 1
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 68 1360mm 0m 4 m, 12 m 17.5 ms 24 V dc Hand
RS Stock No. 182-9527
Mfr. Part No.SGSSP2-500Q88
BrandBanner
HK$11,466.50
Each
units
- SGS 500mm Emitter, Receiver - 3 E 2 500mm 0.5m 30m 19 ms 24 V dc Area
RS Stock No. 146-5833
Mfr. Part No.SLC440COM-E-1290-14
BrandSchmersal
HK$17,828.76
Each
units
SLC440COM 440 14mm Sender - - - 128 1290mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS Stock No. 125-0682
Mfr. Part No.F3SG-2RE0350P30
BrandOmron
HK$4,066.99
1 Pair
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 16 350mm 0.3 (Long) m, 0.3 (Short) m 7 (Short) m, 20 (Long) m 5 (ON to OFF) ms, 25 (OFF to ON Synchronized) ms, 125 (OFF to ON Not Synchronized) ms 24 V dc Arm, Finger, Hand
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