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 Minimum Scanning Distance Maximum Scanning Distance Maximum Response Time Supply Voltage Application
RS庫存編號 757-7879
製造零件編號OS32C-SP1
BrandOmron
TWD149,453.00
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 511-7052
製造零件編號1K3-100
BrandSmartscan
TWD20,745.00
單位
- 1000 Plus 30mm Receiver, Sender 3 2 D 12 330mm 0.5m 5m 40 ms 24 V dc Hand
RS庫存編號 146-5835
製造零件編號SLC440COM-E-1450-14
BrandSchmersal
TWD72,260.00
單位
SLC440COM 440 14mm Sender - - - 114 1450mm 300mm 7000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS庫存編號 125-0674
製造零件編號F3SG-2RE0240P14
BrandOmron
TWD16,081.00
1 對 1 套
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 23 240mm 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (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
RS庫存編號 146-5836
製造零件編號SLC440COM-E-1450-30
BrandSchmersal
TWD55,239.00
單位
SLC440COM 440 30mm Sender - - - 72 1450mm 300mm 10000mm 20 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS庫存編號 757-7841
製造零件編號F3SJ-E1105P25
BrandOmron
TWD80,447.00
1 對 1 套
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 E 54 1105mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
RS庫存編號 191-9851
製造零件編號632082
BrandPilz
TWD59,507.00
單位
- opII4F 14mm Receiver, Transmitter 4 - E - 450mm 0.2m 8m 15.2 ms 24 V dc Industrial
RS庫存編號 196-4100
製造零件編號XUSL4MA40H166N
TWD118,008.00
1 對 1 套
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 56 1660mm 0m 4 m, 12 m 16.5 ms 24 V dc Hand
RS庫存編號 757-7847
製造零件編號F3SJ-E1025P25
BrandOmron
TWD74,327.00
1 對 1 套
Pair(s)
- F3SJ 20mm Receiver, Sender 4 3 E 50 1025mm 0.2m 7m 15 (On to Off) ms, 70 (Off to On) ms 24 V dc Hand
RS庫存編號 125-0675
製造零件編號F3SG-2RE0320P14
BrandOmron
TWD18,555.00
1 對 1 套
Pair(s)
- F3SG-RE 14mm Receiver, Sender 2 - C 31 320mm 0.3 (Long) m, 0.3 (Short) m 3 (Short) m, 10 (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庫存編號 146-5845
製造零件編號SLC440COM-R-0490-30
BrandSchmersal
TWD33,016.00
單位
SLC440COM 440 30mm Receiver - - - 24 490mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
全新
RS庫存編號 213-1815
製造零件編號M4C-SA0250HA10
BrandSick
TWD13,425.00
單位
- deTem 500mm Sender Type 4 - PL e 2 - - 90m 20000 μs 19.2 → 28.8 V dc Body, Normal Industrial Environment
RS庫存編號 127-8313
製造零件編號XUSL2E30H076N
TWD50,933.00
1 對 1 套
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 38 760mm 0m 4 m, 12 m 11 ms 24 V dc Hand
RS庫存編號 127-8305
製造零件編號XUSL2E30H031N
TWD30,806.00
1 對 1 套
Pair(s)
Preventa XUSL2E 30mm Receiver, Transmitter 2 1 C 16 310mm 0m 4 m, 12 m 6 ms 24 V dc Hand
RS庫存編號 196-4101
製造零件編號XUSL4MA40H181N
TWD124,168.00
1 對 1 套
Pair(s)
Preventa XUSL4M 40mm Receiver, Transmitter 4 3 - 61 1810mm 0m 4 m, 12 m 17.5 ms 24 V dc Hand
RS庫存編號 125-0684
製造零件編號F3SG-2RE0510P30
BrandOmron
TWD20,285.00
1 對 1 套
Pair(s)
- F3SG-RE 30mm Receiver, Sender 2 - C 24 510mm 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
RS庫存編號 136-3365
製造零件編號C4C-EA06010A10000
BrandSick
TWD33,600.00
單位
DeTec4 Core C4C 14mm Receiver - - - - 600mm 0m 8m 16 ms 24 V dc Industrial
RS庫存編號 146-5837
製造零件編號SLC440COM-E-1610-14
BrandSchmersal
TWD82,377.00
單位
SLC440COM 440 14mm Sender - - - 160 1610mm 300mm 6000mm 28 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging
RS庫存編號 136-3371
製造零件編號C4C-SA03030A10000
BrandSick
TWD14,300.00
單位
DeTec4 Core C4C 30mm Sender - - - - 300mm 0m 12m 14 ms 24 V dc Industrial
RS庫存編號 146-5851
製造零件編號SLC440COM-R-0970-30
BrandSchmersal
TWD45,952.00
單位
SLC440COM 440 30mm Receiver - - - 48 970mm 300mm 10000mm 10 ms 24 V dc Elevators & Escalators, Food, Heavy Industry, Machine Tools, Packaging