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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Description Price Range Series Beam Resolution Component Type Safety Type SIL IEC 61508 PL EN ISO 13849-1 Number of Beams Protective Height Maximum Protective Width Minimum Scanning Distance Maximum Scanning Distance Maximum Response Time Supply Voltage
RS庫存編號 511-7052
製造零件編號1K3-100
BrandSmartscan
TWD21,149.00
單位
- 1K3 30mm Receiver, Sender 3 2 D 12 330mm - 0.5m 5m 40 ms 24 V dc
RS庫存編號 757-7879
製造零件編號OS32C-SP1
BrandOmron
TWD155,397.00
單位
- 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庫存編號 213-1809
製造零件編號M2C-SA0340LA10
BrandSick
TWD11,508.00
單位
- deTem2 Core 400mm Sender - - PL c 3 - - - 17m 20000 μs 19.2 → 28.8 V dc
RS庫存編號 196-4131
製造零件編號XUSL4MB4BB091N
TWD63,072.00
1 對 1 套
Pair(s)
Preventa XUSL4M 300mm Receiver, Transmitter 4 3 - 4 910mm - 0m 4 m, 12 m 5.5 ms 24 V dc
全新
RS庫存編號 215-5141
製造零件編號F3SG-4SRB1000-25-F
BrandOmron
TWD61,716.00
單位
- F3SG-SRB 25mm Receiver, Sender 4 - - 50 - - - - - -
RS庫存編號 213-1810
製造零件編號M2C-SA0430HA10
BrandSick
TWD13,107.00
單位
- deTem2 Core 300mm Sender - - PL c 4 - - - 90m 20000 μs 19.2 → 28.8 V dc
RS庫存編號 214-6770
製造零件編號F3SG-4RA2110-30
BrandOmron
TWD143,303.00
單位
- F3SG 30mm Receiver, Sender 4 - - 104 - - - - - -
全新
RS庫存編號 214-7604
製造零件編號F3SG-4RA0350-30
BrandOmron
TWD41,618.00
單位
F3SG-R Advance F3SG 30mm Receiver, Sender 4 - - 15 → 207 - - - - - -
RS庫存編號 196-4105
製造零件編號XUSL4MA2BB051N
TWD74,737.00
1 對 1 套
Pair(s)
Preventa XUSL4M 500mm Receiver, Transmitter 4 3 - 2 510mm - 0m 4 m, 12 m 5.5 ms 24 V dc
RS庫存編號 213-3734
製造零件編號C4MT-07814ABB03FE0
BrandSick
TWD54,020.00
單位
- miniTwin4 14mm 1 Twin-Stick 4 - PL e - 780mm 5m - - 17000 ?s 24 V
RS庫存編號 127-8323
製造零件編號XUSL4E2BB051L
TWD57,155.00
1 對 1 套
Pair(s)
Preventa XUSL4E 500mm Receiver, Transmitter 4 3 E 2 510mm - 3m 10 m, 20 m 2.5 ms 24 V dc
全新
RS庫存編號 215-5142
製造零件編號F3SG-4SRB1040-25
BrandOmron
TWD64,971.00
單位
- F3SG-SRB 25mm Receiver, Sender 4 - - 52 - - - - - -
RS庫存編號 125-0685
製造零件編號F3SG-2RE0590P30
BrandOmron
TWD23,149.00
1 對 1 套
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 28 590mm - 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
RS庫存編號 214-6757
製造零件編號F3SG-2SRB0240-25
BrandOmron
TWD20,209.00
單位
- F3SG 25mm Receiver, Sender - - - 12 - - - - - -
RS庫存編號 214-6771
製造零件編號F3SG-4RE0160P14
BrandOmron
TWD40,521.00
單位
- F3SG 14mm Receiver, Sender 4 - - 15 - - - - - -
全新
RS庫存編號 215-5149
製造零件編號F3S-TGR-CL2B-014-600
BrandOmron
TWD36,803.00
單位
- F3S-TGR-CL 14mm Receiver, Sender - - - - - - - - - -
全新
RS庫存編號 215-5122
製造零件編號F3SG-4RE1840P14
BrandOmron
TWD141,245.00
單位
- F3SG-R Easy 14mm Receiver, Sender 4 - - 183 - - - - - -
全新
RS庫存編號 220-1397
製造零件編號XUSL4E30H026N
TWD44,019.00
單位
Preventa XUSL4E 30mm Receiver 4 - - 13 - - - - - -
RS庫存編號 136-3379
製造零件編號C4C-EA12030A10000
BrandSick
TWD42,677.00
單位
DeTec4 Core deTec4 Core 30mm Receiver - - - - 1200mm - 0m 12m 14 ms 24 V dc
全新
RS庫存編號 220-1389
製造零件編號XU2S18PP340WD
TWD9,275.00
單位
Preventa XU2S - Receiver - - - - - - - - - -